Bear Conservation
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Bear conservation refers to the management of
bear Bears are carnivoran mammals of the family (biology), family Ursidae (). They are classified as caniforms, or doglike carnivorans. Although only eight species of bears are extant, they are widespread, appearing in a wide variety of habitats ...
s and their
habitat In ecology, habitat refers to the array of resources, biotic factors that are present in an area, such as to support the survival and reproduction of a particular species. A species' habitat can be seen as the physical manifestation of its ...
with a view to preventing their
extinction Extinction is the termination of an organism by the death of its Endling, last member. A taxon may become Functional extinction, functionally extinct before the death of its last member if it loses the capacity to Reproduction, reproduce and ...
. Bears face serious threats on many fronts, most of which are due to human activity. Whether indirect, as in human encroachment on their natural habitats due to crop cultivation,
deforestation Deforestation or forest clearance is the removal and destruction of a forest or stand of trees from land that is then converted to non-forest use. Deforestation can involve conversion of forest land to farms, ranches, or urban use. Ab ...
or timber harvest, or directly from their killing for protection of property or for unregulated or
sport hunting Trophy hunting is a form of hunting for sport in which parts of the hunted wild animals are kept and displayed as trophies. The animal being targeted, known as the "game", is typically a mature male specimen from a popular species of collectable ...
, or for their use in primitive medicines and aphrodisiacs.


Management

In a paper presented at the
International Bear Association The International Association for Bear Research and Management (IBA), sometimes shortened to International Bear Association, is a professional organization for biologists, wildlife managers and others which focuses on wildlife conservation of the ei ...
’s Eighth International Conference on Bear Research and Management, Victoria, British Columbia, Canada, in 1989, Christopher Servheen, of the U.S. Fish and Wildlife Service, stated that
Conservation efforts on bears must be based on accurate biological information and knowledge of the habitat requirements of the species. Even when required biological data are available, implementation of conservation efforts requires an effective governmental commitment and incorporation of the needs of the local people into bear conservation. Management implementation and public education remain the greatest challenges in bear conservation.


International co-operation

According to Servheen, bear conservation efforts vary from the intensive and highly organized management of the grizzly bear in the United States to little management in Asian countries. However, since 2004 the non-profit organization Free the Bears (FTB) has been working to rescue bears in Asia along with educating the local communities. They help combat the illegal wildlife trade of bears and often transport the rescues to world-class sanctuaries. This dedicated program is not only working to reduce illegal trade and capture of bears in the Asian area but other impoverished and dangerous parts of the world. Likewise, successful international co-operation in conservation and management is exemplified by the work done on the polar bear in the Arctic. Several other species also need international cooperation to if they are to survive.


IUCN Red List

Except for the
brown bear The brown bear (''Ursus arctos'') is a large bear native to Eurasia and North America. Of the land carnivorans, it is rivaled in size only by its closest relative, the polar bear, which is much less variable in size and slightly bigger on av ...
(''Ursus arctos'') and the
American black bear The American black bear (''Ursus americanus''), or simply black bear, is a species of medium-sized bear which is Endemism, endemic to North America. It is the continent's smallest and most widely distributed bear species. It is an omnivore, with ...
(''U. americanus''), the other six of bear species are threatened according to the
IUCN Red List The International Union for Conservation of Nature (IUCN) Red List of Threatened Species, also known as the IUCN Red List or Red Data Book, founded in 1964, is an inventory of the global conservation status and extinction risk of biological ...
, including: * the
giant panda The giant panda (''Ailuropoda melanoleuca''), also known as the panda bear or simply panda, is a bear species endemic to China. It is characterised by its white animal coat, coat with black patches around the eyes, ears, legs and shoulders. ...
(''Ailuropoda melanoleuca'') * the
polar bear The polar bear (''Ursus maritimus'') is a large bear native to the Arctic and nearby areas. It is closely related to the brown bear, and the two species can Hybrid (biology), interbreed. The polar bear is the largest extant species of bear ...
(''U. maritimus'') * the
spectacled bear The spectacled bear (''Tremarctos ornatus''), also known as the South American bear, Andean bear, Andean short-faced bear or mountain bear and locally as jukumari ( Aymara and Quechua), ukumari ( Quechua) or ukuku, is a species of bear native to ...
(''Tremarctos ornatus'') * the
Asiatic black bear The Asian black bear (''Ursus thibetanus''), also known as the Asiatic black bear, moon bear and white-chested bear, is a medium-sized bear species native to Asia that is largely adapted to an arboreal lifestyle. It is distributed from southeast ...
(''U. thibetanus'') * the
sloth bear The sloth bear (''Melursus ursinus''), also known as the Indian bear, is a myrmecophagous bear species native to the Indian subcontinent. It feeds on fruits, ants and termites. It is listed as vulnerable on the IUCN Red List, mainly because of ...
(''Melursus ursinus'') * the
sun bear The sun bear (''Helarctos malayanus'') is a bear species in the Family (biology), family Ursidae found in the tropical forests of Southeast Asia. It is the only species in the genus ''Helarctos'' and the smallest bear species, standing nearly ...
(''Helarctos malayanus'') However, even species of "least concern" such as the brown bear are at risk of
extirpation Local extinction, also extirpation, is the termination of a species (or other taxon) in a chosen geographic area of study, though it still exists elsewhere. Local extinctions are contrasted with extinction, global extinctions. Local extinctions ...
in certain countries or regions beyond their range in North America, parts of Europe, and the former
Soviet Union The Union of Soviet Socialist Republics. (USSR), commonly known as the Soviet Union, was a List of former transcontinental countries#Since 1700, transcontinental country that spanned much of Eurasia from 1922 until Dissolution of the Soviet ...
. The process of decline and/or extinction of the brown bear in Europe is well documented. Starting with their extinction in Denmark around 3000 BC, in Great Britain during the 10th century, in eastern Germany in 1770, in Bavaria in 1836, in Switzerland in 1904, and in the French Alps in 1937.


Regional variations

Although the inclusion of the brown bear as of
least concern A least-concern species is a species that has been evaluated and categorized by the International Union for Conservation of Nature (IUCN) as not being a focus of wildlife conservation because the specific species is still plentiful in the wil ...
on the 2006 IUCN Red List of Threatened Species refers to their global population, the fact is that local populations are increasingly becoming scarcer. And as the IUCN itself adds
Least Concern does not always mean that species are not at risk. There are declining species that are evaluated as Least Concern.
Such regional variations are most obvious in Spain where the only remaining bear, the
Cantabrian brown bear The Cantabrian brown bear, Iberian brown bear, or Iberian bear (formerly ''Ursus arctos pyrenaicus'') is a population of Eurasian brown bears (''Ursus arctos arctos'') living in the Cantabrian Mountains of Spain. In Spain, it is known as the an ...
is under threat.


Europe


Spain

Spain’s ministry of the environment, in its ''Catálogo Nacional de Especies Amenazadas'' lists the brown bear as in danger of extinction in Spain. According to an article published December 2007 in the Spanish national daily ''
El País (; ) is a Spanish-language daily newspaper in Spain. is based in the capital city of Madrid and it is owned by the Spanish media conglomerate PRISA. It is the second-most circulated daily newspaper in Spain . is the most read newspaper in ...
'',Denuncian la muerte de un segundo oso en Palencia en cuatro meses · ELPAÍS.com
/ref> eight brown bears had been killed, either by poisoned bait or illegal hunting, in the
Cantabrian Mountains The Cantabrian Mountains or Cantabrian Range () are one of the main systems of mountain ranges in Spain. They stretch for over 300 km (180 miles) across northern Spain, from the western limit of the Pyrenees to the Galician Massif ...
since 2000. The Cantabrian brown bear population is currently (2007) estimated at around 170, divided between the 140 in the western section and 25-30 in the eastern. Leading Spanish experts have warned that the bear population will not be viable until there are "several hundred". One way forward is to reverse the fragmentation of the bears' habitat by creating "corridors". However, their viability is compromised by the regional authorities' keenness to allow construction of a ski resort at
San Glorio San Glorio is a mountain pass in the Cantabrian Mountains of Northern Spain. The pass reaches an elevation of 1610 meters along the national highway N621 which connects the city of León, Spain, León with Cantabria and which passes through Asturi ...
, a project which has met strong opposition from many sectors, as well as that of the central government.


See also

* Polar bear conservation *
Threatened species A threatened species is any species (including animals, plants and fungi) which is vulnerable to extinction in the near future. Species that are threatened are sometimes characterised by the population dynamics measure of ''critical depensatio ...


References


External links


IBA web siteBear Conservation web site
{{conservation of species