The Nakawan Range ( Malay : Banjaran Nakawan ; Jawi : بنجارن نكاون) is a karstic hill range – part of the Tenasserim Hills – straddling northeast–southwest along the border between the Malaysian state of Perlis and the southern Thai province of Satun for approximately 36 kilometres (22.4 mi). Geologically, it is part of the Setul Group .
7-490: Part of the range is gazetted as Perlis State Park. The range is noted for its biodiversity. Birders have sighted over 130 unique species of birds in the contiguous Important Bird Area. The site was designated as an Important Bird Area of Malaysia in 2007. The Nakawan Range is also known for its opportunities for caving and as the setting of the Nakawan Ultra marathon race. This Perlis location article
14-481: A population of a species categorized by the IUCN Red List as Critically Endangered , Endangered or Vulnerable . In general, the regular presence of a Critical or Endangered species, irrespective of population size, at a site may be sufficient for a site to qualify as an IBA. For Vulnerable species, the presence of more than threshold numbers at a site is necessary to trigger selection. The site forms one of
21-429: A set selected to ensure that all restricted-range species of an Endemic Bird Area (EBA) or a Secondary Area (SA) are present in significant numbers in at least one site and preferably more. The site forms one of a set selected to ensure adequate representation of all species restricted to a given biome, both across the biome as a whole and for all of its species in each range state. The assessment by expert individuals
28-517: Is a stub . You can help Misplaced Pages by expanding it . Important Bird Area An Important Bird and Biodiversity Area ( IBA ) is an area identified using an internationally agreed set of criteria as being globally important for the conservation of bird populations. IBA was developed and sites are identified by BirdLife International . There are over 13,000 IBAs worldwide. These sites are small enough to be entirely conserved and differ in their character, habitat or ornithological importance from
35-618: Is completely lacking. In 1985, following a specific request from the European Economic Community , Birdlife International drew up a list of sites to be protected as a matter of priority. In 1989, a repertoire of IBAs of Europe was released. At first the official name of this type of site was Important Bird Area , hence the acronym IBA, then at the BirdLife World Congress held in Canada in 2014 it
42-578: The surrounding habitat. In the United States the program is administered by the National Audubon Society . Often IBAs form part of a country's existing protected area network, and so are protected under national legislation. Legal recognition and protection of IBAs that are not within existing protected areas varies within different countries. Some countries have a National IBA Conservation Strategy, whereas in others protection
49-408: Was decided to adopt the name Important Bird and Biodiversity Area , without changing the acronym. IBAs are determined by an internationally agreed set of criteria. Specific IBA thresholds are set by regional and national governing organizations. To be listed as an IBA, a site must satisfy at least one of the following rating criteria: The site qualifies if it is known, estimated or thought to hold
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