129-495: (Redirected from Beaver Hills ) Beaverhill and Beaver Hills may refer to: A beaver lodge Beaver Hill, Oregon , an unincorporated community in Coos County Beaverhill Lake , a lake in central Alberta Beaver Hills (Alberta) , a rolling upland region Beaver Hills (Saskatchewan) , a range of hills Beaver Hills (New Haven) , a neighborhood in
258-399: A generalist diet. During the spring and summer, they mainly feed on herbaceous plant material such as leaves, roots, herbs, ferns, grasses, sedges , water lilies , water shields , rushes , and cattails . During the fall and winter, they eat more bark and cambium of woody plants; tree and shrub species consumed include aspen , birch , oak , dogwood , willow and alder . There
387-471: A gradient (steepness) of one percent, though they have been recorded using streams with gradients as high as 15 percent. Beavers are found in wider streams more often than in narrower ones. They also prefer areas with no regular flooding and may abandon a location for years after a significant flood. Beavers typically select flat landscapes with diverse vegetation close to the water. North American beavers prefer trees being 60 m (200 ft) or less from
516-415: A hypothalamus that is much smaller than the cerebrum ; this indicates a relatively advanced brain with higher intelligence. The cerebellum is large, allowing the animal to move within a three-dimensional space (such as underwater) similar to tree-climbing squirrels. The neocortex is devoted mainly to touch and hearing. Touch is more advanced in the lips and hands than the whiskers and tail. Vision in
645-662: A semiaquatic lifestyle. Members of the subfamily Castoroidinae are considered to be a sister group to modern beavers, and included giants like Castoroides of North America and Trogontherium of Eurasia. Castoroides is estimated to have had a length of 1.9–2.2 m (6.2–7.2 ft) and a weight of 90–125 kg (198–276 lb). Fossils of one genus in Castoroidinae, Dipoides , have been found near piles of chewed wood, though Dipoides appears to have been an inferior woodcutter compared to Castor . Researchers suggest that modern beavers and Castoroidinae shared
774-447: A "prohibited new organism" preventing them from being introduced into the country. Beavers live in freshwater ecosystems such as rivers, streams, lakes and ponds. Water is the most important component of beaver habitat; they swim and dive in it, and it provides them refuge from land predators. It also restricts access to their homes and allows them to move building objects more easily. Beavers prefer slower moving streams, typically with
903-400: A "raft"; when the top becomes frozen, it creates a "cap". The beaver accesses the raft by swimming under the ice. Many populations of Eurasian beaver do not make rafts, but forage on land during winter. Beavers usually live up to 10 years. Felids , canids , and bears may prey upon them. Beavers are protected from predators when in their lodges, and prefer to stay near water. Parasites of
1032-546: A 'per pelt' basis. Colonial trading posts in the southern colonies also introduced many types of alcohol (especially brandy and rum) for trade. European traders flocked to the North American continent and made huge profits from the exchange. A metal axe head, for example, was exchanged for one beaver pelt (also called a 'beaver blanket'). The same pelt could fetch enough to buy dozens of axe heads in England, making
1161-715: A Tartar victory in 1584 and the temporary end to Russian occupation in the area. In 1584, Ivan's son Feodor sent military governors ( voivodas ) and soldiers to reclaim Yermak conquests and officially to annex the land held by the Khanate of Sibir . Similar skirmishes with Tartars took place across Siberia as Russian expansion continued. Russian conquerors treated the natives of Siberia as easily exploited subjects who were inferior to them. As they penetrated deeper into Siberia, traders built outposts or winter lodges called zimovye [ ru ] where they lived and collected fur tribute from native tribes. By 1620 Russia dominated
1290-541: A bark-eating common ancestor . Dam and lodge-building likely developed from bark-eating, and allowed beavers to survive in the harsh winters of the subarctic . There is no conclusive evidence for this behavior occurring in non- Castor species. The genus Castor likely originated in Eurasia . The earliest fossil remains appear to be C. neglectus , found in Germany and dated 12–10 mya. Mitochondrial DNA studies place
1419-412: A common pool that the band divided equally among themselves after Russian officials exacted the tithing tax. On the other hand, a trading company provided hired fur-trappers with the money needed for transportation, food, and supplies, and once the hunt was finished, the employer received two-thirds of the pelts and the remaining ones were sold and the proceeds divided evenly among the hired laborers. During
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#17327753350781548-466: A conical, muscular, hairy base; the remaining two-thirds of the appendage is flat and scaly. The tail has multiple functions: it provides support for the animal when it is upright (such as when chewing down a tree), acts as a rudder when it is swimming, and stores fat for winter. It also has a countercurrent blood vessel system which allows the animal to lose heat in warm temperatures and retain heat in cold temperatures. The beaver's sex organs are inside
1677-674: A dam, beavers stack up relatively long and thick logs between banks and in opposite directions. Heavy rocks keep them stable, and grass is packed between them. Beavers continue to pile on more material until the dam slopes in a direction facing upstream. Dams can range in height from 20 cm (7.9 in) to 3 m (9.8 ft) and can stretch from 0.3 m (1 ft 0 in) to several hundred meters long. Beaver dams are more effective in trapping and slowly leaking water than man-made concrete dams. Lake-dwelling beavers do not need to build dams. Beavers make two types of lodges: bank lodges and open-water lodges. Bank lodges are burrows dug along
1806-1010: A height of 2 m (6 ft 7 in) and an above-water diameter of 6 m (20 ft). A lodge sturdy enough to withstand the coming winter can be finished in just two nights. Both lodge types can be present at a beaver site. During the summer, beavers tend to use bank lodges to keep cool. They use open-water lodges during the winter. The air vent provides ventilation, and newly added carbon dioxide can be cleared in an hour. The lodge remains consistent in oxygen and carbon dioxide levels from season to season. Beavers in some areas will dig canals connected to their ponds. The canals fill with groundwater and give beavers access and easier transport of resources, as well as allow them to escape predators. These canals can stretch up to 1 m (3 ft 3 in) wide, 0.5 m (1 ft 8 in) deep, and over 0.5 km (0.31 mi) long. It has been hypothesized that beavers' canals are not only transportation routes but an extension of their " central place " around
1935-404: A liquid substance used mainly for marking territory. Anal glands produce an oily substance which the beaver uses as a waterproof ointment for its coat. The substance plays a role in individual and family recognition. Anal secretions are darker in females than males among Eurasian beavers, while the reverse is true for the North American species. Compared to many other rodents, a beaver's brain has
2064-423: A more grooved palatine (with the opening shifted towards the front), and reduced incisive foramen . Members of the subfamily Palaeocastorinae appeared in late-Oligocene North America. This group consisted primarily of smaller animals with relatively large front legs, a flattened skull, and a reduced tail—all features of a fossorial (burrowing) lifestyle. In the early Miocene (about 24 mya), castorids evolved
2193-424: A more nuanced picture of the complex ways in which native populations fit new economic relationships into existing cultural patterns. Richard White, while admitting that the formalist/substantivist debate was "old, and now tired," attempted to reinvigorate the substantivist position. Echoing Ray's moderate position that cautioned against easy simplifications, White advanced a simple argument against formalism: "Life
2322-463: A number of freshwater habitats , such as rivers, streams, lakes and ponds. They are herbivorous , consuming tree bark , aquatic plants , grasses and sedges . Beavers build dams and lodges using tree branches, vegetation, rocks and mud; they chew down trees for building material. Dams restrict water flow, and lodges serve as shelters. Their infrastructure creates wetlands used by many other species, and because of their effect on other organisms in
2451-519: A number of English investors were found to back another attempt for Hudson Bay. Two ships were sent out in 1668. One, with Radisson aboard, had to turn back, but the other, the Nonsuch , with Groseilliers, did penetrate the bay. There she was able to trade with the indigenes, collecting a fine cargo of beaver skins before the expedition returned to London in October 1669. The delighted investors sought
2580-460: A pond for them to live in, and for lodges, which act as shelters and refuges from predators and the elements. Without such material, beavers dig burrows into a bank to live. Dam construction begins in late summer or early fall, and they repair them whenever needed. Beavers can cut down trees up to 15 cm (5.9 in) wide in less than 50 minutes. Thicker trees, at 25 cm (9.8 in) wide or more, may not fall for hours. When chewing down
2709-711: A role. After they are born, the kits spend their first one to two months in the lodge. Kits suckle for as long as three months, but can eat solid food within their second week and rely on their parents and older siblings to bring it to them. Eventually, beaver kits explore outside the lodge and forage on their own, but may follow an older relative and hold onto their backs. After their first year, young beavers help their families with construction. Beavers sexually mature around 1.5–3 years. They become independent at two years old, but remain with their parents for an extra year or more during times of food shortage, high population density, or drought. Fur trade The fur trade
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#17327753350782838-518: A royal charter, which they obtained the next year. This charter established the Hudson's Bay Company and granted it a monopoly to trade into all the rivers that emptied into Hudson Bay. From 1670 onwards, the Hudson's Bay Company sent two or three trading ships into the bay every year. They brought back furs (mainly beaver) and sold them, sometimes by private treaty but usually by public auction. The beaver
2967-694: A significant step towards securing Russian hegemony in Siberia when he sent a large army to attack the Khanate of Kazan and ended up obtaining the territory from the Volga to the Ural Mountains . At this point the phrase, "ruler of Obdor , Konda , and all Siberian lands" became part of the title of the tsar in Moscow. Even so, problems ensued after 1558 when Ivan IV sent Grigory Stroganov [ ru ] ( c. 1533–1577 ) to colonize land on
3096-400: A thick enamel that is colored orange or reddish-brown by iron compounds. The lower incisors have roots that are almost as long as the entire lower jaw. Beavers have one premolar and three molars on all four sides of the jaws, adding up to 20 teeth. The molars have meandering ridges for grinding woody material. The eyes, ears and nostrils are arranged so that they can remain above water while
3225-423: A tree, beavers switch between biting with the left and right side of the mouth. Tree branches are then cut and carried to their destination with the powerful jaw and neck muscles. Other building materials, like mud and rocks, are held by the forelimbs and tucked between the chin and chest. Beavers start building dams when they hear running water, and the sound of a leak in a dam triggers them to repair it. To build
3354-437: A variety of reasons. Reducing them to simple economic or cultural dichotomies, as the formalists and substantivists had done, was a fruitless simplification that obscured more than it revealed. Moreover, Ray used trade accounts and account books in the Hudson's Bay Company's archives for masterful qualitative analyses and pushed the boundaries of the field's methodology. Following Ray's position, Bruce M. White also helped to create
3483-473: Is a worldwide industry dealing in the acquisition and sale of animal fur . Since the establishment of a world fur market in the early modern period , furs of boreal , polar and cold temperate mammalian animals have been the most valued. Historically the trade stimulated the exploration and colonization of Siberia , northern North America , and the South Shetland and South Sandwich Islands . Today
3612-890: Is different from Wikidata All article disambiguation pages All disambiguation pages Beaver lodge Beavers (genus Castor ) are large, semiaquatic rodents of the Northern Hemisphere . There are two existing species : the North American beaver ( Castor canadensis ) and the Eurasian beaver ( C. fiber ). Beavers are the second-largest living rodents, after capybaras , weighing up to 50 kg (110 lb). They have stout bodies with large heads, long chisel-like incisors , brown or gray fur , hand-like front feet, webbed back feet, and tails that are flat and scaly. The two species differ in skull and tail shape and fur color. Beavers can be found in
3741-505: Is directed more towards the brain. A beaver's body also has a high tolerance for carbon dioxide. When surfacing, the animal can replace 75 percent of the air in its lungs in one breath, compared to 15 percent for a human. The IUCN Red List of mammals lists both beaver species as least concern . The North American beaver is widespread throughout most of the United States and Canada and can be found in northern Mexico. The species
3870-402: Is some disagreement about why beavers select specific woody plants; some research has shown that beavers more frequently select species which are more easily digested, while others suggest beavers principally forage based on stem size. Beavers may cache their food for the winter, piling wood in the deepest part of their pond where it cannot be reached by other browsers . This cache is known as
3999-663: Is the family, which is composed of an adult male and an adult female in a monogamous pair and their offspring. Beaver families can have as many as ten members; groups about this size require multiple lodges. Mutual grooming and play fighting maintain bonds between family members, and aggression between them is uncommon. Adult beavers mate with their partners, though partner replacement appears to be common. A beaver that loses its partner will wait for another one to come by. Estrus cycles begin in late December and peak in mid-January. Females may have two to four estrus cycles per season, each lasting 12–24 hours. The pair typically mate in
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4128-493: Is the source for several European placenames , including those of Beverley , Bièvres , Biberbach , Biebrich , Bibra , Bibern , Bibrka , Bobr , Bober , Bóbrka , Bjurholm , Bjurälven , and Bjurum . The genus name Castor has its origin in the Greek word κάστωρ kastōr and translates as ' beaver ' . Carl Linnaeus coined the genus name Castor in 1758 as well as the specific (species) epithet fiber for
4257-516: The Fur Institute of Canada , there are about 60,000 active trappers in Canada (based on trapping licenses), of whom about 25,000 are indigenous peoples . The fur farming industry is present in many parts of Canada. The largest producer of mink and foxes is Nova Scotia which in 2012 generated revenues of nearly $ 150 million and accounted for one quarter of all agricultural production in
4386-666: The IUCN Red List of mammals. In human culture, the beaver symbolizes industriousness, especially in connection with construction; it is the national animal of Canada. The English word beaver comes from the Old English word beofor or befor and is connected to the German word biber and the Dutch word bever . The ultimate origin of the word is an Indo-European root for ' brown ' . Cognates of beaver
4515-613: The Kama and to subjugate and enserf the Komi living there. The Stroganov family soon came into conflict in 1573 with the khan of Sibir whose land they encroached on. Ivan told the Stroganovs to hire Cossack mercenaries to protect the new settlement from the Tatars. From c. 1581 the band of Cossacks led by Yermak Timofeyevich fought many battles that eventually culminated in
4644-559: The Mohawk and Mohican . By 1614 the Dutch were sending vessels to secure large economic returns from fur trading. The fur trade of New Netherland, through the port of New Amsterdam , depended largely on the trading depot at Fort Orange (now Albany) on the upper Hudson River . Much of the fur is believed to have originated in Canada, smuggled south by entrepreneurs who wished to avoid the colony's government-imposed monopoly there. England
4773-582: The Mongolian trading town of Kyakhta , which had been opened to Russian trade by the 1727 Treaty of Kyakhta . The papers from the North American Fur Trade conferences, which are held approximately every five years, not only provide a wealth of articles on disparate aspects of the fur trade, but also can be taken together as a historiographical overview since 1965. They are listed chronologically below. The third conference, held in 1978,
4902-694: The North American beaver ( Castor canadensis ) and the Eurasian beaver ( C. fiber ). The Eurasian beaver is slightly longer and has a more lengthened skull, triangular nasal cavities (as opposed to the square ones of the North American species), a lighter fur color, and a narrower tail. Agnotocastor coloradensis Agnotocastor praetereadens Anchitheriomys sp. [REDACTED] Castorinae (modern beavers) [REDACTED] Castoroidinae [REDACTED] Agnotocastor sp. Migmacastor procumbodens Palaeocastorinae [REDACTED] Heteromyidae (kangaroo rats and allies) [REDACTED] Geomyidae (gophers) [REDACTED] Beavers belong to
5031-637: The Russian-American Company . The term "maritime fur trade" was coined by historians to distinguish the coastal, ship-based fur trade from the continental, land-based fur trade of, for example, the North West Company and the American Fur Company . Historically, the maritime fur trade was not known by that name, rather it was usually called the "North West Coast trade" or "North West Trade". The term "North West"
5160-646: The Scandinavian Peninsula . Beginning in 2009, beavers have been successfully reintroduced to parts of Great Britain. In 2020 , the total Eurasian beaver population in Europe was estimated at over one million. Small native populations are also present in Mongolia and northwestern China; their numbers were estimated at 150 and 700, respectively, as of 2016 . Under New Zealand's Hazardous Substances and New Organisms Act 1996 , beavers are classed as
5289-747: The Western world ), Europe, and the United States (especially New England ). The trade had a major effect on the indigenous people of the Pacific Northwest coast, especially the Aleut , Tlingit , Haida , Nuu-chah-nulth , and Chinook peoples . There was a rapid increase of wealth among the Northwest Coast natives, along with increased warfare, potlatching , slaving, depopulation due to epidemic disease, and enhanced importance of totems and traditional nobility crests. The indigenous culture
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5418-401: The ecosystem , beavers are considered a keystone species . Adult males and females live in monogamous pairs with their offspring. After their first year, the young help their parents repair dams and lodges; older siblings may also help raise newly born offspring. Beavers hold territories and mark them using scent mounds made of mud, debris, and castoreum —a liquid substance excreted through
5547-1039: The riparian zone associated with beaver dams has been shown to increase the abundance and diversity of birds favoring the water's edge, an impact that may be especially important in semi-arid climates . Fish-eating birds use beaver ponds for foraging, and in some areas, certain species appear more frequently at sites where beavers were active than at sites with no beaver activity. In a study of Wyoming streams and rivers, watercourses with beavers had 75 times as many ducks as those without. As trees are drowned by rising beaver impoundments, they become an ideal habitat for woodpeckers , which carve cavities that may be later used by other bird species. Beaver-caused ice thawing in northern latitudes allows Canada geese to nest earlier. Other semi-aquatic mammals, such as water voles , muskrats , minks , and otters , will shelter in beaver lodges. Beaver modifications to streams in Poland create habitats favorable to bat species that forage at
5676-539: The 10th century, merchants and boyars of the city-state of Novgorod had exploited the fur resources "beyond the portage", a watershed at the White Lake that represents the door to the entire northwestern part of Eurasia. They began by establishing trading posts along the Volga and Vychegda river networks and requiring the Komi people to give them furs as tribute . Novgorod, the chief fur-trade center prospered as
5805-615: The 1620s and 1630s. London merchants tried to take over France's fur trade in the St Lawrence River valley. Taking advantage of one of England's wars with France, Sir David Kirke captured Quebec in 1629 and brought the year's produce of furs back to London. Other English merchants also traded for furs around the Saint Lawrence River region in the 1630s, but these were officially discouraged. Such efforts ceased as France strengthened its presence in Canada. Much of
5934-814: The 17th through the second half of the 19th century, Russia was the world's largest supplier of fur. The fur trade played a vital role in the development of Siberia , the Russian Far East and the Russian colonization of the Americas . As recognition of the importance of the trade to the Siberian economy, the sable is a regional symbol of Sverdlovsk Oblast in the Urals and Novosibirsk , Tyumen and Irkutsk Oblasts in Siberia. European contact with North America, with its vast forests and wildlife, particularly
6063-553: The Bay and market trade in London." Arthur J. Ray permanently changed the direction of economic studies of the fur trade with two influential works that presented a modified formalist position in between the extremes of Innis and Rotstein. "This trading system," Ray explained, "is impossible to label neatly as ‘gift trade', or ‘administered trade', or ‘market trade', since it embodies elements of all these forms." Indians engaged in trade for
6192-598: The Eurasian species. German zoologist Heinrich Kuhl coined C. canadensis in 1820, many scientists considered both names synonymous for one same species until the 1970s, when chromosomal evidence became available confirming both as separate where the Eurasian has 48 chromosomes, while the North American has 40.) The difference in chromosome numbers prevents them from interbreeding. Twenty-five subspecies have been classified for C. canadensis , and nine have been classified for C. fiber . There are two extant species:
6321-742: The European colonization of the Americas, Russia was a major supplier of fur pelts to Western Europe and parts of Asia. Its trade developed in the Early Middle Ages (500–1000 AD/CE), first through exchanges at posts around the Baltic and Black seas. The main trading market destination was the German city of Leipzig . Kievan Rus' was the first supplier of the Russian fur trade. Originally, Russia exported raw furs, consisting in most cases of
6450-830: The European settlers. Their resentment of the forced sales contributed to future wars. After the United States became independent, it regulated trading with Native Americans by the Indian Intercourse Act , first passed on July 22, 1790. The Bureau of Indian Affairs issued licenses to trade in the Indian Territory . In 1834 this was defined as most of the United States west of the Mississippi River , where mountain men and traders from Mexico freely operated. Early exploration parties were often fur-trading expeditions, many of which marked
6579-805: The French felt-hatters. Hat makers began to use it in England soon after, particularly after Huguenot refugees brought their skills and tastes with them from France. Captain Chauvin made the first organized attempt to control the fur trade in New France . In 1599 he acquired a monopoly from Henry IV and tried to establish a colony near the mouth of the Saguenay River at Tadoussac . French explorers, like Samuel de Champlain , voyageurs , and Coureur des bois , such as Étienne Brûlé , Radisson , La Salle , and Le Sueur , while seeking routes through
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#17327753350786708-797: The Indians in Canada, following the British takeover of the territory after it defeated France in the Seven Years' War (known as the French and Indian War in North America). Following the British take over of Canada from France, the control of the fur trade in North America became consolidated under the British government for a time, until the United States was created and became a major source for furs being shipped to Europe as well in
6837-643: The Komi and Yugra, by recruiting men of one tribe to fight in an army against the other tribe. Campaigns against native tribes in Siberia remained insignificant until they began on a much larger scale in 1483 and 1499–1500. Besides the Novgorodians and the indigenes, the Muscovites also had to contend with the various Muslim Tatar khanates to their east. In 1552, Ivan IV , the tsar of all Russia , took
6966-477: The Middle East in exchange for silk, textiles, spices, and dried fruit. The high prices that sable, black fox, and marten furs could generate in international markets spurred a "fur fever" in which many Russians moved to Siberia as independent trappers. From 1585 to 1680, tens of thousands of sable and other valuable pelts were obtained in Siberia each year. The primary way for the Russian state to obtain furs
7095-611: The Province. In 2000 there were 351 Mink farms in the U.S. As of 2015 there were 176,573 trappers in the U.S. with most being in the midwest. California was the first (and only) state to ban trapping for commercial and recreation purposes in 2015. The North American Fur Auction (NAFA) occurs four times a year and attracts buyers from around the world. According to the Northeast Association of Fish & Wildlife Agencies, at present approximately 270,000 families in
7224-636: The United States , increasing the demand for cotton and helping make possible the rapid expansion of the cotton plantation system across the Deep South . The most profitable furs were those of sea otters , especially the northern sea otter, Enhydra lutris kenyoni , which inhabited the coastal waters between the Columbia River to the south and Cook Inlet to the north. The fur of the Californian southern sea otter, E. l. nereis ,
7353-537: The United States and Canada derive some of their income from fur trapping. The maritime fur trade was a ship-based fur trade system that focused on acquiring furs of sea otters and other animals from the indigenous peoples of the Pacific Northwest Coast and natives of Alaska . The furs were mostly traded in China for tea, silks, porcelain, and other Chinese goods, which were then sold in Europe and
7482-532: The United States. The maritime fur trade was pioneered by the Russians, working east from Kamchatka along the Aleutian Islands to the southern coast of Alaska. British and Americans entered during the 1780s, focusing on what is now the coast of British Columbia . The trade boomed around the turn of the 19th century. A long period of decline began in the 1810s. As the sea otter population was depleted,
7611-422: The active approach involved the use of hunting-dogs and of bows-and-arrows. Occasionally, hunters also followed sable tracks to their burrows, around which they placed nets, and waited for the sable to emerge. The hunting season began around the time of the first snow in October or November and continued until early spring. Hunting expeditions lasted two to three years on average but occasionally longer. Because of
7740-488: The animal warm, to help it float in water, and to protect it against predators. Guard hairs are 5–6 cm (2.0–2.4 in) long and typically reddish brown, but can range from yellowish brown to nearly black. The underfur is 2–3 cm (0.79–1.18 in) long and dark gray. Beavers molt every summer. Beavers have large skulls with powerful chewing muscles . They have four chisel-shaped incisors that continue to grow throughout their lives. The incisors are covered in
7869-446: The authors searched for connections on a global stage that revealed its "high political and economic importance." E.E. Rich brought the economic purview down a level, focusing on the role of trading companies and their men as the ones who "opened up" much of Canada's territories, instead of on the role of the nation-state in opening up the continent. Rich's other work gets to the heart of the formalist/substantivist debate that dominated
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#17327753350787998-558: The average size of these fishes. These species use beaver habitats for spawning, overwintering, feeding, and as havens from changes in water flow. The positive effects of beaver dams on fish appear to outweigh the negative effects, such as blocking of migration. Beaver ponds have been shown to be beneficial to frog populations by protecting areas for larvae to mature in warm water. The stable waters of beaver ponds also provide ideal habitat for freshwater turtles . Beavers help waterfowl by creating increased areas of water. The widening of
8127-457: The basic values of the European approach" and that "English economic rules did not apply to the Indian trade." Indians were savvy traders, but they had a fundamentally different conception of property, which confounded their European trade partners. Abraham Rotstein subsequently fit these arguments explicitly into Polanyi's theoretical framework, claiming that "administered trade was in operation at
8256-415: The beaver include the bacteria Francisella tularensis , which causes tularemia ; the protozoan Giardia duodenalis , which causes giardiasis (beaver fever); and the beaver beetle and mites of the genus Schizocarpus . They have also been recorded to be infected with the rabies virus . Beavers need trees and shrubs to use as building material for dams , which restrict flowing water to create
8385-571: The beaver is relatively poor; the beaver eye cannot see as well underwater as an otter . Beavers have a good sense of smell, which they use for detecting land predators and for inspecting scent marks, food, and other individuals. Beavers can hold their breath for as long as 15 minutes but typically remain underwater for no more than five or six minutes. Dives typically last less than 30 seconds and are usually no more than 1 m (3 ft 3 in) deep. When diving, their heart rate decreases to 60 beats per minute, half its normal pace, and blood flow
8514-453: The beaver population on the continent to rebound to an estimated 6–12 million by the late 20th century; still far lower than the originally estimated 60–400 million North American beavers before the fur trade. The introduced population in Tierra del Fuego is estimated at 35,000–50,000 individuals as of 2016 . The Eurasian beaver's range historically included much of Eurasia, but
8643-571: The beaver's urethra -based castor sacs. Beavers can also recognize their kin by their anal gland secretions and are more likely to tolerate them as neighbors. Historically, beavers have been hunted for their fur, meat, and castoreum. Castoreum has been used in medicine, perfume, and food flavoring; beaver pelts have been a major driver of the fur trade . Before protections began in the 19th and early 20th centuries, overhunting had nearly exterminated both species. Their populations have since rebounded, and they are listed as species of least concern by
8772-416: The beaver, led to the continent becoming a major supplier in the 17th century of fur pelts for the fur felt hat and fur trimming and garment trades of Europe. Fur was relied on to make warm clothing, a critical consideration prior to the organization of coal distribution for heating. Portugal and Spain played major roles in fur trading after the 15th century with their business in fur hats. From as early as
8901-508: The best fur country was far to the north and west, and could best be reached by ships sailing into Hudson Bay . Their treatment in Canada suggested that they would not find support from France for their scheme. The pair went to New England, where they found local financial support for at least two attempts to reach Hudson Bay, both unsuccessful. Their ideas had reached the ears of English authorities, however, and in 1665 Radisson and Groseilliers were persuaded to go to London . After some setbacks,
9030-442: The body, and the male's penis has a cartilaginous baculum . They have only one opening, a cloaca , which is used for reproduction, scent-marking, defecation, and urination. The cloaca evolved secondarily, as most mammals have lost this feature, and may reduce the area vulnerable to infection in dirty water. The beaver's intestine is six times longer than its body, and the caecum is double the volume of its stomach. Microorganisms in
9159-404: The caecum allow them to process around 30 percent of the cellulose they eat. A beaver defecates in the water, leaving behind balls of sawdust. Female beavers have four mammary glands ; these produce milk with 19 percent fat, a higher fat content than other rodents. Beavers have two pairs of glands: castor sacs, which are part of the urethra, and anal glands . The castor sacs secrete castoreum ,
9288-591: The children of slaves. The Métis in the Canadian Red River region were so numerous that they developed a creole language and culture. Since the late 20th century, the Métis have been recognized in Canada as a First Nations ethnic group. The interracial relationships resulted in a two-tier mixed-race class, in which descendants of fur traders and chiefs achieved prominence in some Canadian social, political, and economic circles. Lower-class descendants formed
9417-561: The city of New Haven, Connecticut Beaverhill Lake Group , a geological region of Canada [REDACTED] Topics referred to by the same term This disambiguation page lists articles about distinct geographical locations with the same name. If an internal link led you here, you may wish to change the link to point directly to the intended article. Retrieved from " https://en.wikipedia.org/w/index.php?title=Beaverhill&oldid=1005930175 " Category : Place name disambiguation pages Hidden categories: Short description
9546-545: The common ancestor of the two living species at around 8 mya. The ancestors of the North American beaver would have crossed the Bering Land Bridge around 7.5 mya. Castor may have competed with members of Castoroidinae, which led to niche differentiation . The fossil species C. praefiber was likely an ancestor of the Eurasian beaver. C. californicus from the Early Pleistocene of North America
9675-431: The constantly changing water levels, leading to greater carbon storage . Beaver ponds, and the wetlands that succeed them, remove sediments and pollutants from waterways, and can stop the loss of important soils. These ponds can increase the productivity of freshwater ecosystems by accumulating nitrogen in sediments. Beaver activity can affect the temperature of the water; in northern latitudes, ice thaws earlier in
9804-600: The continent, established relationships with Amerindians and continued to expand the trade of fur pelts for items considered 'common' by the Europeans. Mammal winter pelts were prized for warmth, particularly animal pelts for beaver wool felt hats, which were an expensive status symbol in Europe. The demand for beaver wool felt hats was such that the beaver in Europe and European Russia had largely disappeared through exploitation. In 1613 Dallas Carite and Adriaen Block headed expeditions to establish fur trade relationships with
9933-493: The course of the 15th century and proceeded with the " gathering of the Russian lands ", the Muscovite state began to rival the Novgorodians in the north for the Russian fur trade; ultimately, Novgorod would lose its autonomy and be absorbed by the authorities in Moscow along with its vast hinterland. At the same time, Moscow began subjugating many native tribes. One strategy involved exploiting antagonisms between tribes, notably
10062-450: The decline in fur animals and realized the market was changing, as beaver hats went out of style. Expanding European settlement displaced native communities from the best hunting grounds. European demand for furs subsided as fashion trends shifted. The Native Americans' lifestyles were altered by the trade. To continue obtaining European goods on which they had become dependent and to pay off their debts, they often resorted to selling land to
10191-565: The early history of contact between Europeans and the native peoples of what is now the United States and Canada . Dr. S. E. Dawson's admirable "The Saint Lawrence Its Basin & Border-Lands" covers in detail the twenty-or-so main "gateways" connecting the St. Lawrence River with its neighbouring basins. Though these were all once canoe routes, not all were trade routes. In 1578 there were 350 European fishing vessels at Newfoundland . Sailors began to trade metal implements (particularly knives) for
10320-797: The easternmost trading post of the Hanseatic League . Novgorodians expanded farther east and north, coming into contact with the Pechora people of the Pechora River valley and the Yugra people residing near the Urals . Both of these native tribes offered more resistance than the Komi, killing many Russian tribute-collectors throughout the tenth and eleventh centuries. As the Grand Principality of Moscow increased in power over
10449-714: The field or, as some came to believe, muddied it. Historians such as Harold Innis had long taken the formalist position, especially in Canadian history, believing that neoclassical economic principles affect non-Western societies just as they do Western ones. Starting in the 1950s, however, substantivists such as Karl Polanyi challenged these ideas, arguing instead that primitive societies could engage in alternatives to traditional Western market trade; namely, gift trade and administered trade. Rich picked up these arguments in an influential article in which he contended that Indians had "a persistent reluctance to accept European notions or
10578-586: The first recorded instances of Europeans' reaching particular regions of North America. For example, Abraham Wood sent fur-trading parties on exploring expeditions into the southern Appalachian Mountains, discovering the New River in the process. Simon Fraser was a fur trader who explored much of the Fraser River in British Columbia. Economic historians and anthropologists have studied
10707-522: The first to operate in the southern sector, but were unable to compete against the Americans who dominated from the 1790s to the 1830s. The British Hudson's Bay Company entered the coast trade in the 1820s with the intention of driving the Americans away. This was accomplished by about 1840. In its late period the maritime fur trade was largely conducted by the British Hudson's Bay Company and
10836-434: The fur trade extremely profitable for the Europeans. The Natives used the iron axe heads to replace stone axe heads which they had made by hand in a labor-intensive process, so they derived substantial benefits from the trade as well. The colonists began to see the ill effects of alcohol on Natives, and the chiefs objected to its sale and trade. The Royal Proclamation of 1763 prohibited sale by European settlers of alcohol to
10965-591: The fur trade in North America during the 17th and 18th centuries was dominated by the Canadian fur shipping network that developed in New France under the fur monopoly held first by the Company of One Hundred Associates , then followed in 1664 by the French West India Company , steadily expanding fur trapping and shipping across a network of frontier forts further west that eventually went all
11094-487: The fur trade of that colony (now called New York) fell into English hands with the 1667 Treaty of Breda . In 1668 the English fur trade entered a new phase. Two French citizens, Pierre-Esprit Radisson and Médard des Groseilliers , had traded with great success west of Lake Superior in 1659–60, but upon their return to Canada, most of their furs were seized by the authorities. Their trading voyage had convinced them that
11223-593: The fur trade through two taxes, the yasak (or iasak) tax on natives and the 10% "Sovereign Tithing Tax" imposed on both the catch and sale of fur pelts. Fur was in great demand in Western Europe, especially sable and marten, since European forest resources had been over-hunted and furs had become extremely scarce. Fur trading allowed Russia to purchase from Europe goods that it lacked, like lead, tin, precious metals, textiles, firearms, and sulphur. Russia also traded furs with Ottoman Turkey and other countries in
11352-408: The fur trade's important role in early North American economies, but they have been unable to agree on a theoretical framework to describe native economic patterns. John C. Phillips and J.W. Smurr tied the fur trade to an imperial struggle for power, positing that the fur trade served both as an incentive for expanding and as a method for maintaining dominance. Dismissing the experience of individuals,
11481-442: The fur trade; they made marriages or cohabited with high-ranking Indian women of similar status in their own cultures. Fur trappers and other workers usually had relationships with lower-ranking women. Many of their mixed-race descendants developed their own culture, now called Métis in Canada, based then on fur trapping and other activities on the frontier. In some cases both Native American and European-American cultures excluded
11610-568: The growing demand for furs, driving the creation and expansion of the fur trade in the 17th and 18th centuries, although new trends as well as occasional revivals of prior fashions would cause the fur trade to ebb and flow right up to the present. Often, the political benefits of the fur trade became more important than the economic aspects. Trade was a way to forge alliances and maintain good relations between different cultures. The fur traders were men with capital and social standing. Often younger men were single when they went to North America to enter
11739-401: The importance of the fur trade has diminished; it is based on pelts produced at fur farms and regulated fur-bearer trapping , but has become controversial. Animal rights organizations oppose the fur trade, citing that animals are brutally killed and sometimes skinned alive. Fur has been replaced in some clothing by synthetic imitations, for example, as in ruffs on hoods of parkas . Before
11868-769: The indigenous forest. Unlike trees in North America, many trees in South America cannot grow back after being cut down. Beaver activity impacts communities of aquatic invertebrates . Damming typically leads to an increase of slow or motionless water species, like dragonflies , oligochaetes , snails , and mussels . This is to the detriment of rapid water species like black flies , stoneflies , and net-spinning caddisflies . Beaver floodings create more dead trees, providing more habitat for terrestrial invertebrates like Drosophila flies and bark beetles , which live and breed in dead wood. The presence of beavers can increase wild salmon and trout populations, and
11997-645: The land from the Urals eastward to the Yenisey valley and to the Altai Mountains in the south, comprising about 1.25 million square miles of land. Furs would become Russia's largest source of wealth during the sixteenth and seventeenth centuries. Keeping up with the advances of Western Europe required significant capital and Russia did not have sources of gold and silver, but it did have furs, which became known as "soft gold" and provided Russia with hard currency. The Russian government received income from
12126-435: The lodge and/or food cache. As they drag wood across the land, beavers leave behind trails or "slides", which they reuse when moving new material. The beaver works as an ecosystem engineer and keystone species , as its activities can have a great impact on the landscape and biodiversity of an area. Aside from humans, few other extant animals appear to do more to shape their environment. When building dams, beavers alter
12255-407: The long hunting season and the fact that passage back to Russia was difficult and costly, beginning around the 1650s–1660s, many promyshlenniki chose to stay and settle in Siberia. From 1620 to 1680, a total of 15,983 trappers operated in Siberia. The North American fur trade began as early as the 1500s between Europeans and First Nations (see: Early French Fur Trading ) and was a central part of
12384-420: The majority of the separate Métis culture based on hunting, trapping and farming. Because of the wealth at stake, different European-American governments competed with various native societies for control of the fur trade. Native Americans sometimes based decisions of which side to support in times of war in relation to which people had provided them with the best trade goods in an honest manner. Because trade
12513-407: The maritime fur trade diversified and was transformed, tapping new markets and commodities while continuing to focus on the Northwest Coast and China. It lasted until the middle to late 19th century. Russians controlled most of the coast of what is now Alaska during the entire era. The coast south of Alaska saw fierce competition between, and among, British and American trading vessels. The British were
12642-534: The mixed-race descendants. If the Native Americans were a tribe with a patrilineal kinship system, they considered children born to a white father to be white, in a type of hypodescent classification, although the Native mother and tribe might care for them. The Europeans tended to classify children of Native women as Native, regardless of the father, similar to the hypodescent of their classification of
12771-431: The natives' well-worn pelts. The first pelts in demand were beaver and sea otter, as well as occasionally deer, bear, ermine and skunk. Fur robes were blankets of sewn-together, native-tanned, beaver pelts. The pelts were called castor gras in French and "coat beaver" in English, and were soon recognized by the newly developed felt-hat making industry as particularly useful for felting. Some historians, seeking to explain
12900-401: The nineteenth century, along with the largely unsettled territory of Russian America , which became a significant source of furs also during that period. The fur trade began to significantly decline starting in the 1830s, following changing attitudes and fashions in Europe and America which no longer centered around certain articles of clothing as much such as beaver skin hats, which had fueled
13029-466: The paths of streams and rivers, allowing for the creation of extensive wetland habitats. In one study, beavers were associated with large increases in open-water areas. When beavers returned to an area, 160% more open water was available during droughts than in previous years, when they were absent. Beaver dams also lead to higher water tables in mineral soil environments and in wetlands such as peatlands . In peatlands particularly, their dams stabilize
13158-511: The pelts of martens , beavers , wolves , foxes , squirrels and hares . Between the 16th and 18th centuries, Russians began to settle in Siberia , a region rich in many mammal fur species, such as Arctic fox , lynx , sable , sea otter and stoat ( ermine ). In a search for the prized sea otter pelts, first used in China, and later for the northern fur seal , the Russian Empire expanded into North America, notably Alaska . From
13287-404: The presence of a third set of premolars (P3), a hole in the stapes of the inner ear, a smooth palatine bone (with the palatine opening closer to the rear end of the bone), and a longer snout . More derived castorids have less complex occlusion, upper tooth rows that create a V-shape towards the back, larger second premolars compared to molars, absence of a third premolar set and stapes hole,
13416-686: The prized sables that the natives did not value, but greater demand for furs led to violence and force becoming the primary means of obtaining the furs. The largest problem with the yasak system was that Russian governors were prone to corruption because they received no salary. They resorted to illegal means of getting furs for themselves, including bribing customs officials to allow them to personally collect yasak , extorting natives by exacting yasak multiple times over, or requiring tribute from independent trappers. Russian fur trappers, called promyshlenniki , hunted in one of two types of bands of 10–15 men, called vatagi [ ru ] . The first
13545-651: The rest of the body is submerged. The nostrils and ears have valves that close underwater, while nictitating membranes cover the eyes. To protect the larynx and trachea from water flow, the epiglottis is contained within the nasal cavity instead of the throat. In addition, the back of the tongue can rise and create a waterproof seal. A beaver's lips can close behind the incisors, preventing water from entering their mouths as they cut and bite onto things while submerged. The beaver's front feet are dexterous, allowing them to grasp and manipulate objects and food, as well as dig. The hind feet are larger and have webbing between
13674-775: The rodent suborder Castorimorpha , along with Heteromyidae ( kangaroo rats and kangaroo mice ), and the gophers . Modern beavers are the only extant members of the family Castoridae . They originated in North America in the late Eocene and colonized Eurasia via the Bering Land Bridge in the early Oligocene , coinciding with the Grande Coupure , a time of significant changes in animal species around 33 million years ago ( myr ). The more basal castorids had several unique features: more complex occlusion between cheek teeth, parallel rows of upper teeth, premolars that were only slightly smaller than molars,
13803-677: The shore and covered in sticks. The more complex freestanding, open-water lodges are built over a platform of piled-up sticks. The lodge is mostly sealed with mud, except for a hole at the top which acts as an air vent. Both types are accessed by underwater entrances. The above-water space inside the lodge is known as the "living chamber", and a "dining area" may exist close to the water entrance. Families routinely clean out old plant material and bring in new material. North American beavers build more open-water lodges than Eurasian beavers. Beaver lodges built by new settlers are typically small and sloppy. More experienced families can build structures with
13932-628: The summer, promyshlenniki would set up a summer camp to stockpile grain and fish, and many engaged in agricultural work for extra money. During late summer or early fall the vatagi left their hunting grounds, surveyed the area, and set up a winter camp. Each member of the group set at least 10 traps and the vatagi divided into smaller groups of two to three men who cooperated to maintain certain traps. Promyshlenniki checked traps daily, resetting them or replacing bait whenever necessary. The promyshlenniki employed both passive and active hunting-strategies. The passive approach involved setting traps, while
14061-410: The term castor gras , have assumed that coat beaver was rich in human oils from having been worn so long (much of the top-hair was worn away through usage, exposing the valuable under-wool), and that this is what made it attractive to the hatters. This seems unlikely, since grease interferes with the felting of wool, rather than enhancing it. By the 1580s, beaver "wool" was the major starting material of
14190-496: The toes , and the second innermost toe has a "double nail" used for grooming. Beavers can swim at 8 km/h (5.0 mph); only their webbed hind feet are used to swim, while the front feet fold under the chest. On the surface, the hind limbs thrust one after the other; while underwater, they move at the same time. Beavers are awkward on land but can move quickly when they feel threatened. They can carry objects while walking on their hind legs. The beaver's distinctive tail has
14319-518: The warmer beaver-dammed waters. Beavers may contribute to climate change . In Arctic areas, the floods they create can cause permafrost to thaw, releasing methane into the atmosphere . As wetlands are formed and riparian habitats are enlarged, aquatic plants colonize the newly available watery habitat. One study in the Adirondacks found that beaver engineering lead to an increase of more than 33 percent in herbaceous plant diversity along
14448-420: The water and to a lesser extent in the lodge, for half a minute to three minutes. Up to four young, or kits, are born in spring and summer, after a three or four-month gestation . Newborn beavers are precocial with a full fur coat, and can open their eyes within days of birth. Their mother is the primary caretaker, while their father maintains the territory. Older siblings from a previous litter also play
14577-548: The water surface and "prefer moderate vegetation clutter". Large herbivores, such as some deer species, benefit from beaver activity as they can access vegetation from fallen trees and ponds. Beavers are mainly nocturnal and crepuscular , and spend the daytime in their shelters. In northern latitudes, beaver activity is decoupled from the 24-hour cycle during the winter, and may last as long as 29 hours. They do not hibernate during winter, and spend much of their time in their lodges. The core of beaver social organization
14706-524: The water's edge. Another study in semiarid eastern Oregon found that the width of riparian vegetation on stream banks increased several-fold as beaver dams watered previously dry terraces adjacent to the stream. Riparian ecosystems in arid areas appear to sustain more plant life when beaver dams are present. Beaver ponds act as a refuge for riverbank plants during wildfires , and provide them with enough moisture to resist such fires. Introduced beavers at Tierra del Fuego have been responsible for destroying
14835-546: The water, but will roam several hundred meters to find more. Beavers have also been recorded in mountainous areas. Dispersing beavers will use certain habitats temporarily before finding their ideal home. These include small streams, temporary swamps, ditches, and backyards. These sites lack important resources, so the animals do not stay there permanently. Beavers have increasingly settled at or near human-made environments, including agricultural areas, suburbs , golf courses , and shopping malls. Beavers have an herbivorous and
14964-604: The way to modern day Winnipeg in Western Canada by the mid-1700s, coming into direct contact and opposition with the English fur trappers stationed out of York Factory at Hudson Bay . Meanwhile, the New England fur trade expanded as well, not only inland, but northward along the coast into the Bay of Fundy region. London 's access to high-quality furs was greatly increased with the takeover of New Amsterdam, whereupon
15093-496: Was an independent band of blood relatives or unrelated people who contributed an equal share of the hunting-expedition expenses; the second was a band of hired hunters who participated in expeditions fully funded by the trading companies which employed them. Members of an independent vataga cooperated and shared all necessary work associated with fur trapping, including making and setting traps, building forts and camps, stockpiling firewood and grain, and fishing. All fur pelts went into
15222-808: Was bought mainly for the English hat-making trade, while the fine furs went to the Netherlands and Germany . Meanwhile, in the Southern colonies , a deerskin trade was established around 1670, based at the export hub of Charleston, South Carolina . Word spread among Native hunters that the Europeans would exchange pelts for the European-manufactured goods that were highly desired in native communities. Carolinan traders stocked axe heads, knives, awls, fish hooks, cloth of various type and color, woolen blankets, linen shirts, kettles, jewelry, glass beads, muskets , ammunition and powder to exchange on
15351-459: Was by exacting a fur tribute from the Siberian natives, called a yasak . Yasak was usually a fixed number of sable pelts which every male tribe member who was at least fifteen years old had to supply to Russian officials. Officials enforced yasak through coercion and by taking hostages, usually the tribe chiefs or members of the chief's family. At first, Russians were content to trade with the natives, exchanging goods like pots, axes, and beads for
15480-861: Was decimated by hunting by the early 20th century. In Europe, beavers were reduced to fragmented populations, with combined population numbers being estimated at 1,200 individuals for the Rhône of France, the Elbe in Germany, southern Norway, the Neman river and Dnieper Basin in Belarus, and the Voronezh river in Russia. The beaver has since recolonized parts of its former range, aided by conservation policies and reintroductions . Beaver populations now range across western, central, and eastern Europe, and western Russia and
15609-456: Was introduced to Finland in 1937 (and then spread to northwestern Russia) and to Tierra del Fuego, Patagonia , in 1946. As of 2019 , the introduced population of North American beavers in Finland has been moving closer to the habitat of the Eurasian beaver. Historically, the North American beaver was trapped and nearly extirpated because its fur was highly sought after. Protections have allowed
15738-489: Was less highly prized and thus less profitable. After the northern sea otter was hunted to local extinction , maritime fur traders shifted to California until the southern sea otter was likewise nearly extinct. The British and American maritime fur traders took their furs to the Chinese port of Guangzhou (Canton), where they worked within the established Canton System . Furs from Russian America were mostly sold to China via
15867-409: Was minimal. For New England, the maritime fur trade and the significant profits it made helped revitalize the region, contributing to the transformation of New England from an agrarian to an industrial society. The wealth generated by the maritime fur trade was invested in industrial development, especially textile manufacturing . The New England textile industry in turn had a large effect on slavery in
15996-440: Was not a business, and such simplifications only distort the past." White argued instead that the fur trade occupied part of a "middle ground" in which Europeans and Indians sought to accommodate their cultural differences. In the case of the fur trade, this meant that the French were forced to learn from the political and cultural meanings with which Indians imbued the fur trade. Cooperation, not domination, prevailed. According to
16125-402: Was not however overwhelmed, it rather flourished, while simultaneously undergoing rapid change. The use of Chinook Jargon arose during the maritime fur trading era and remains a distinctive aspect of Pacific Northwest culture. Native Hawaiian society was similarly affected by the sudden influx of Western wealth and technology, as well as epidemic diseases. The trade's effect on China and Europe
16254-574: Was rarely spelled as the single word "Northwest", as is common today. The maritime fur trade brought the Pacific Northwest coast into a vast, new international trade network, centered on the north Pacific Ocean, global in scope, and based on capitalism but not, for the most part, on colonialism . A triangular trade network emerged linking the Pacific Northwest coast, China, the Hawaiian Islands (only recently discovered by
16383-651: Was similar to but larger than the extant North American beaver. ' Beavers are the second-largest living rodents, after capybaras . They have a head–body length of 80–120 cm (31–47 in), with a 25–50 cm (9.8–19.7 in) tail, a shoulder height of 30–60 cm (12–24 in), and generally weigh 11–30 kg (24–66 lb), but can be as heavy as 50 kg (110 lb). Males and females are almost identical externally. Their bodies are streamlined like marine mammals and their robust build allows them to pull heavy loads. A beaver coat has 12,000–23,000 hairs/cm (77,000–148,000 hairs/in ) and functions to keep
16512-593: Was slower to enter the American fur trade than France and the Dutch Republic , but as soon as English colonies were established, development companies learned that furs provided the best way for the colonists to remit value back to the mother country. Furs were being dispatched from Virginia soon after 1610, and the Plymouth Colony was sending substantial amounts of beaver to its London agents through
16641-415: Was so politically important, the Europeans tried to regulate it in hopes (often futile) of preventing abuse. Unscrupulous traders sometimes cheated natives by plying them with alcohol during the transaction, which subsequently aroused resentment and often resulted in violence. In 1834 John Jacob Astor , who had created the huge monopoly of the American Fur Company , withdrew from the fur trade. He could see
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