51-534: Sarovaram (also known as Sarovaram Bio Park ) is an eco-friendly development near Kottooly in Kozhikode city in India. The park is situated adjacent to Canoly Canal . The project has been developed with an eco-friendly theme and is located in an ecosystem consisting of wetlands and mangrove forests containing bird habitats. This park is a protected place to conserve mangrove species and other flora. This park
102-492: A 2020 United Nations Environment Programme report found that most of these efforts had failed to meet their goals. For example, of the 20 biodiversity goals laid out by the Aichi Biodiversity Targets in 2010, only six were "partially achieved" by 2020. This ongoing global extinction is also called the holocene extinction or sixth mass extinction. The current rate of global biodiversity loss
153-549: A decrease in biodiversity and species numbers . Habitat destruction is in fact the leading cause of biodiversity loss and species extinction worldwide. For example, habitat loss is one of the causes in the decline of insect populations (see the section below on insects ). The direct effects of urban growth on habitat loss are well understood: building construction often results in habitat destruction and fragmentation. This leads to selection for species that are adapted to urban environments. Small habitat patches cannot support
204-410: A large role in biodiversity loss. More than half of the worlds biodiversity is hosted in tropical rainforest. Regions that are subjected to exponential loss of biodiversity are referred to as biodiversity hotspots . Since 1988 the hotspots increased from 10 to 34. Of the total 34 hotspots currently present, 16 of them are in tropical regions (as of 2006). Researchers have noted in 2006 that only 2.3% of
255-800: A role. Freshwater ecosystems such as swamps, deltas, and rivers make up 1% of earth's surface. They are important because they are home to approximately one third of vertebrate species. Freshwater species are beginning to decline at twice the rate of species that live on land or in the ocean. This rapid loss has already placed 27% of 29,500 species dependent on fresh water on the IUCN Red List . Global populations of freshwater fish are collapsing due to water pollution and overfishing . Migratory fish populations have declined by 76% since 1970, and large "megafish" populations have fallen by 94% with 16 species declared extinct in 2020. Marine biodiversity encompasses any living organism that resides in
306-469: Is a decrease or disappearance of species in a specific area. Biodiversity loss means that there is a reduction in biological diversity in a given area. The decrease can be temporary or permanent. It is temporary if the damage that led to the loss is reversible in time, for example through ecological restoration . If this is not possible, then the decrease is permanent. The cause of most of the biodiversity loss is, generally speaking, human activities that push
357-580: Is a major driver of biodiversity loss, with infrastructure present in roughly 80% of KBAs. Infrastructure development leads to conversion and fragmentation of natural habitat, pollution and disturbance. There can also be direct harm to animals through collisions with vehicles and structures. This can have impacts beyond the infrastructure site. Humans are changing the uses of land in various ways, and each can lead to habitat destruction and biodiversity loss. The 2019 Global Assessment Report on Biodiversity and Ecosystem Services found that industrial agriculture
408-457: Is also the favourite spot of photographers for pre marriage shoots and other photoshoots.The construction has been done in traditional Kerala style. The Sarovaram project is being developed in stages, and the first few stages are complete and open to public. It is one of the more popular spots in the city to spend an evening, along with the beach and Mananchira Square . Kottooly Kottooly and Pottammal are two nearby junctions on
459-428: Is another threat to global biodiversity . For example, coral reefs —which are biodiversity hotspots —will be lost by the year 2100 if global warming continues at the current rate. Still, it is the general habitat destruction (often for expansion of agriculture), not climate change, that is currently the bigger driver of biodiversity loss. Invasive species and other disturbances have become more common in forests in
510-558: Is believed to be seven times lower than its prehistoric values, while the biomass of marine mammals had declined fivefold. At the same time, the biomass of humans is "an order of magnitude higher than that of all wild mammals", and the biomass of livestock mammals like pigs and cattle is even larger than that. Even as wild mammals had declined, the growth in the numbers of humans and livestock had increased total mammal biomass fourfold. Only 4% of that increased number are wild mammals, while livestock and humans amount to 60% and 36%. Alongside
561-658: Is common in marine ecosystems, affecting at least 55 marine species. One study found that as seismic noises and naval sonar increases in marine ecosystems, cetacean diversity decreases (including whales and dolphins). Multiple studies have found that fewer fishes, such as cod , haddock , rockfish , herring , sand seal, and blue whiting , have been spotted in areas with seismic noises, with catch rates declining by 40–80%. Noise pollution has also altered avian communities and diversity. Noise can reduce reproductive success, minimize nesting areas, increase stress response, and reduce species abundance. Noise pollution can alter
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#1732798702531612-507: Is due to hunting and trapping for the exotic pet trade. Deforestation , caused by unsustainable logging and agriculture, could be the next extinction driver, because birds lose their habitat and their food. While plants are essential for human survival, they have not received the same attention as the conservation of animals. It is estimated that a third of all land plant species are at risk of extinction and 94% have yet to be evaluated in terms of their conservation status. Plants existing at
663-654: Is estimated to be 100 to 1000 times higher than the (naturally occurring) background extinction rate , faster than at any other time in human history, and is expected to grow in the upcoming years. The fast-growing extinction trends of various animal groups like mammals, birds, reptiles, amphibians, and fish have led scientists to declare a current biodiversity crisis in both land and ocean ecosystems. In 2006, many more species were formally classified as rare or endangered or threatened ; moreover, scientists have estimated that millions more species are at risk that have not been formally recognized. Deforestation also plays
714-466: Is identified as one of the 27 wetlands of India. There are 7 mangrove species and 29 associated species. This park is the habitat for 34 types of birds. The canal is eleven kilometres long and connects the Korapuzha and Kallayi rivers. The park contains boating facilities, musical fountain and an open-air theatre. Of late the park has gained a reputation as a popular hangout of college couples. It
765-580: Is often a matter of debate. An October 2020 analysis by Swiss Re found that one-fifth of all countries are at risk of ecosystem collapse as the result of anthropogenic habitat destruction and increased wildlife loss. If these losses are not reversed, a total ecosystem collapse could ensue. In 2022, the World Wildlife Fund reported an average population decline of 68% between 1970 and 2016 for 4,400 animal species worldwide, encompassing nearly 21,000 monitored populations. Insects are
816-499: Is placed on marine ecosystems near coastal areas because of the human settlements in those areas. Overexploitation has resulted in the extinction of over 25 marine species. This includes seabirds , marine mammals , algae , and fish . Examples of extinct marine species include Steller's sea cow ( Hydrodamalis gigas ) and the Caribbean monk seal ( Monachus tropicalis ). Not all extinctions are because of humans. For example, in
867-526: Is the largest Eco-patch in the Kozhikode city limits. It is interlinked with the man-made Canoly Canal which receives tidal influx from the Kallai and Korapuzha estuaries. Originally, a part of this wetland with an area of about 87.04 hectares (215.1 acres) of land was used for rice cultivation. Of this, 22.5 hectares of land has been reclaimed for human settlement and the reclamation is continuing. A portion of
918-725: Is the primary driver of biodiversity collapse. The UN's Global Biodiversity Outlook 2014 estimated that 70% of the projected loss of terrestrial biodiversity is caused by agriculture use. According to a 2005 publication, "Cultivated systems [...] cover 24% of Earth's surface". The publication defined cultivated areas as "areas in which at least 30% of the landscape is in croplands, shifting cultivation, confined livestock production, or freshwater aquaculture in any particular year". More than 17,000 species are at risk of losing habitat by 2050 as agriculture continues to expand to meet future food needs (as of 2020). A global shift toward largely plant-based diets would free up land to allow for
969-644: Is the relative representation of a species in a particular ecosystem . It is usually measured as the number of individuals found per sample . The ratio of abundance of one species to one or multiple other species living in an ecosystem is called relative species abundance . Both indicators are relevant for computing biodiversity . There are many different biodiversity indexes . These investigate different scales and time spans. Biodiversity has various scales and subcategories (e.g. phylogenetic diversity , species diversity , genetic diversity , nucleotide diversity ). The question of net loss in confined regions
1020-585: Is trying to take action and promote the restoration and maintenance of the many diverse species of earthworms. Since the 1980s, decreases in amphibian populations, including population decline and localized mass extinctions , have been observed in locations all over the world. This type of biodiversity loss is known as one of the most critical threats to global biodiversity . The possible causes include habitat destruction and modification, diseases, exploitation, pollution , pesticide use, introduced species , and ultraviolet-B radiation (UV-B). However, many of
1071-411: The acronym HIPPO for the main causes of biodiversity loss: H abitat destruction, I nvasive species, P ollution, human over- P opulation and O ver-harvesting . Habitat destruction (also termed habitat loss and habitat reduction) occurs when a natural habitat is no longer able to support its native species. The organisms once living there have either moved to elsewhere or are dead, leading to
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#17327987025311122-442: The effects of climate change . An additional cause that may be specific to insects is light pollution (research in that area is ongoing). Scientists have studied loss of earthworms from several long-term agronomic trials. They found that relative biomass losses of minus 50–100% (with a mean of minus 83 %) match or exceed those reported for other faunal groups. Thus it is clear that earthworms are similarly depleted in
1173-525: The planetary boundaries too far. These activities include habitat destruction (for example deforestation ) and land use intensification (for example monoculture farming). Further problem areas are air and water pollution (including nutrient pollution ), over-exploitation , invasive species and climate change . Many scientists, along with the Global Assessment Report on Biodiversity and Ecosystem Services , say that
1224-588: The protected areas with rich biodiversity were in areas containing unexploited fossil fuel reserves worth between $ 3 and $ 15 trillion. The protected areas may be under threat in future. Continued overexploitation can lead to the destruction of the resource, as it will be unable to replenish. The term applies to natural resources such as water aquifers , grazing pastures and forests , wild medicinal plants , fish stocks and other wildlife . A 2019 Intergovernmental Science-Policy Platform on Biodiversity and Ecosystem Services report found that overfishing
1275-646: The 1930s, the eelgrass limpet ( Lottia alveus ) became extinct in the Atlantic once the Zostera marina seagrass population declined upon exposure to a disease. The Lottia alveus were greatly impacted because the Zostera marina were their sole habitats. The main causes of current biodiversity loss are: Jared Diamond describes an "Evil Quartet" of habitat destruction , overkill , introduced species and secondary extinctions . Edward O. Wilson suggested
1326-413: The 20th century. Many car drivers know this anecdotal evidence through the windscreen phenomenon , for example. Causes for the decline in insect population are similar to those driving other biodiversity loss. They include habitat destruction , such as intensive agriculture , the use of pesticides (particularly insecticides ), introduced species , and – to a lesser degree and only for some regions –
1377-1150: The CWRDM action plan highlights. It comes under the CRZ Regulation Zone I of CRZ Notification. The Management Action Plan (MAP) of the Centre for Water Resources Development and Management (CWRDM) had come out with a plan in 2005 for conservation of the fragile Kottuli wetland with a multi-dimensional approach to preserve the Eco-patch. This had resulted in wide attention from people of all walks of life. The activities under map envisaged mangrove afforestation, desilting, pollution abatement, weed control, fishery development, conservation of biodiversity and awareness creation among local inhabitants and city-dwellers. (< http://www.hindu.com/2005/07/11/stories/2005071101180200.htm >) (< http://www.ijest.info/docs/IJEST10-02-05-40.pdf >) Loss of biodiversity Biodiversity loss happens when plant or animal species disappear completely from Earth ( extinction ) or when there
1428-492: The Wild." Possible solutions can be found in some silvicultural methods of forest management that promote tree biodiversity, such as selective logging, thinning or crop tree management, and clear cutting and coppicing . Without solutions, secondary forests recovery in species richness can take 50 years to recover the same amount as the primary forest, or 20 years to recover 80% of species richness. Human impact on
1479-405: The causes of amphibian declines are still poorly understood, and the topic is currently a subject of ongoing research. Biomass of mammals on Earth as of 2018 The decline of wild mammal populations globally has been an occurrence spanning over the past 50,000 years, at the same time as the populations of humans and livestock have increased. Nowadays, the total biomass of wild mammals on land
1530-490: The city through the Puthiyara route. The road going South connects to Palazhi and Hilite Mall areas. The main road or Mavoor Road further moves to Calicut Medical College through Thondayad junction, Chevayur junction and Kovoor town. Sarovaram Bio Park is a special Eco-tourism project of Kerala government. The park contains walking tracks, boating facility, open air theatre and a children's park. Quite recently
1581-494: The distribution and abundance of prey species, which can then impact predator populations. Fossil fuel extraction and associated oil and gas pipelines have major impacts on the biodiversity of many biomes due to land conversion, habitat loss and degradation, and pollution. An example is the Western Amazon region. Exploitation of fossil fuels there has had significant impacts on biodiversity. As of 2018, many of
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1632-481: The eastern side of Kozhikode city in India. They are at a distance of 650 meters. The Mavoor Road originates from Mananchira area in downtown Calicut and proceeds to Arayidathu-palam junction through the KSRTC bus station and the new bus station areas. After Arayidathupalam, Kottooly is the main junction where the road to the north is called K.T.Gopalan Road which connects to Vellimadukunnu area. The road on
1683-546: The ecosystem of Kozhikode. It is a major receptacle of flood water from the city, a primary recharge source for wells in the vicinity, sink for pollutants including city and hospital waste and a rich mangrove habitat. The Kottuli wetland is an ideal habitat for estuarine fish, prawns, crustaceans and molluscs, wetland flora and fauna including avia, fauna and the endangered Asian otter (Lutrus lutrus). The wetland system has been subjected to degradation and loss of biodiversity owing to reclamation, pollution and human intervention,
1734-436: The environment has driven a range of species extinct and is threatening even more today . Multiple organizations such as IUCN and Royal Botanic Gardens, Kew suggest that around 40% of plant species are threatened with extinction. The majority are threatened by habitat loss , but activities such as logging of wild timber trees and collection of medicinal plants, or the introduction of non-native invasive species , also play
1785-422: The functioning and biodiversity of terrestrial as well as aquatic ecosystems. For example, "air pollution causes or contributes to acidification of lakes, eutrophication of estuaries and coastal waters, and mercury bioaccumulation in aquatic food webs". Noise generated by traffic, ships, vehicles, and aircraft can affect the survivability of wildlife species and can reach undisturbed habitats. Noise pollution
1836-534: The last several decades. These tend to be directly or indirectly connected to climate change and can cause a deterioration of forest ecosystems. Groups that care about the environment have been working for many years to stop the decrease in biodiversity. Nowadays, many global policies include activities to stop biodiversity loss. For example, the UN Convention on Biological Diversity aims to prevent biodiversity loss and to conserve wilderness areas . However,
1887-479: The level of genetic or taxonomic diversity they formerly could while some more sensitive species may become locally extinct. Species abundance populations are reduced due to the reduced fragmented area of habitat. This causes an increase of species isolation and forces species toward edge habitats and to adapt to foraging elsewhere. Infrastructure development in Key Biodiversity Areas (KBA)
1938-619: The lowest trophic level require increased conservation to reduce negative impacts at higher trophic levels. In 2022, scientists warned that a third of tree species are threatened with extinction. This will significantly alter the world's ecosystems because their carbon, water and nutrient cycles will be affected. Forest areas are degraded due to common factors such as logging, fire, and firewood harvesting. The GTA (global tree assessment) has determined that "17,510 (29.9%) tree species are considered threatened with extinction. In addition, there are 142 tree species recorded as Extinct or Extinct in
1989-406: The main reason for biodiversity loss is a growing human population because this leads to human overpopulation and excessive consumption . Others disagree, saying that loss of habitat is caused mainly by "the growth of commodities for export" and that population has very little to do with overall consumption. More important are wealth disparities between and within countries. Climate change
2040-424: The most numerous and widespread class in the animal kingdom , accounting for up to 90% of all animal species. In the 2010s, reports emerged about the widespread decline in insect populations across multiple insect orders . The reported severity shocked many observers, even though there had been earlier findings of pollinator decline . There has also been anecdotal reports of greater insect abundance earlier in
2091-593: The ocean or in estuaries . By 2018, approximately 240,000 marine species had been documented. But many marine species—estimates range between 178,000 and 10 million oceanic species—remain to be described. It is therefore likely that a number of rare species (not seen for decades in the wild) have already disappeared or are on the brink of extinction, unnoticed. Human activities have a strong and detrimental influence on marine biodiversity. The main drivers of marine species extinction are habitat loss, pollution, invasive species , and overexploitation. Greater pressure
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2142-404: The park has developed a reputation as a hangout of college couples. Canoli Canal is on the western side of Kottooly and Chempra stream is on the northern side of it. Kottooly has a vast water-logged area with out-growths of mangroves in the boundaries is situated in the north-western side. This wet land has attracted the attention of biologists and environmentalists of late. The Kottuli wetland
2193-532: The pollutants sulfur dioxide and nitrogen oxides . Once sulfur dioxide and nitrogen oxide are introduced into the atmosphere, they can react with cloud droplets ( cloud condensation nuclei ), raindrops, or snowflakes, forming sulfuric acid and nitric acid . With the interaction between water droplets and sulfuric and nitric acids, wet deposition occurs and creates acid rain . A 2009 review studied four air pollutants (sulfur, nitrogen, ozone, and mercury) and several types of ecosystems. Air pollution affects
2244-475: The restoration of ecosystems and biodiversity. In the 2010s over 80% of all global farmland was used to rear animals. As of 2022, 44% of Earth's land area required conservation attention, which may include declaring protected areas and following land-use policies . Air pollution adversely affects biodiversity. Pollutants are emitted into the atmosphere by the burning of fossil fuels and biomass , for example. Industrial and agricultural activity releases
2295-507: The simultaneous halving of plant biomass, these striking declines are considered part of the prehistoric phase of the Holocene extinction . Some pesticides , like insecticides , likely play a role in reducing the populations of specific bird species. According to a study funded by BirdLife International , 51 bird species are critically endangered and eight could be classified as extinct or in danger of extinction. Nearly 30% of extinction
2346-460: The soil and plant roots that earthworms use to create their biomass. This interferes with carbon and nitrogen cycles . Knowledge of earthworm species diversity is quite limited as not even 50% of them have been described. Sustainable agriculture methods could help prevent earthworm diversity decline, for example reduced tillage. The Secretariat of the Convention on Biological Diversity
2397-536: The soils of fields used for intensive agriculture. Earthworms play an important role in ecosystem function, helping with biological processing in soil, water, and even greenhouse gas balancing. There are five reasons for the decline of earthworm diversity: "(1) soil degradation and habitat loss, (2) climate change, (3) excessive nutrient and other forms of contamination load, (4) over-exploitation and unsustainable management of soil, and (5) invasive species". Factors like tillage practices and intensive land use decimate
2448-538: The south connects to Kuthiravattam Mental Hospital on Puthiyara Road (Angattil Damodaran Nair Road) and connects to Govindapuram, Kozhikode and Mankavu through the Balakrishnan Road. The northern side of Kottooli junction is called Kottooli Center and this small township is connected to Nethaji Ngar, Chevarambalam and Sarovaram Bio Park . Pottammal and Kottooly junctions are only 650 meters apart. The road going West from Pottammal connects back to
2499-553: The wetland has been proposed for development of the Dream City, with a view to making it a part of Kozhikode, a tourist attraction. The portion of the wetland, now intact, is mainly on the eastern periphery of the Eranhipalam-Arayedathupalam stretch of Canoly Canal. Studies conducted by Center for Water Resources Development and Management (CWRDM)) and others have highlighted the efficacy of this wetland in
2550-651: The world is covered with biodiversity loss hotspots, and even though only a small percentage of the world is covered in hotspots, it host a large fraction (50%) of vascular plant species. In 2021, about 28 percent of the 134,400 species assessed using the IUCN Red List criteria are now listed as threatened with extinction —a total of 37,400 species compared to 16,119 threatened species in 2006. A 2022 study that surveyed more than 3,000 experts found that "global biodiversity loss and its impacts may be greater than previously thought", and estimated that roughly 30% of species "have been globally threatened or driven extinct since
2601-491: The year 1500." Research published in 2023 found that, out of 70,000 species, about 48% are facing decreasing populations due to human activities, while only 3% are seeing an increase in populations. Biologists define biodiversity as the "totality of genes , species and ecosystems of a region". To measure biodiversity loss rates for a particular location, scientists record the species richness and its variation over time in that area. In ecology , local abundance
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