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conservation of biodiversity (part 4) (IUCN RED LIST CATEGORIES (extinct -…
conservation of biodiversity (part 4)
the international union for conservation of nature
roles
coordinating global data on biodiversity conservation
increasing understanding of the importance of biodiversity
deploying nature based solutions to global challenges in cl;imate, food and sustainable development
IUCN RED LIST CATEGORIES
extinct
- no known individuals remain
extinct in the wild
- only survive in captivity
critically endangered
- extremely high risk of extinction in wild
endangered
- high risk of extinction in wild
vulnerable
- high risk of becoming endangered
near threatened
- likely to become endangered in the near future
least concern
- at lowest risk of becoming endangered
data-deficient
- insufficient information for the species to be categorised
the criteria used to select for categorisation
species in habitats under particular threat
evolutionarily unique species - few close relatives and are often only surviving member of their genus and can be the last surviving genus of their evolutionary family
endemic species - only found in one area - if it dies out there, there are no other species of this kind - ie, madagascar
keystone species - a species with an important role in maintaining the ecological structure of a community - african forest elephants
flagship species - species that have a high public profile - tigers, elephants, orang-utans
methods of conserving biodiversity
Wildlife and Countryside Act
Sites of Special Scientific Interest and Marine Conservation Zones
protection of wild birds and their nests
protection of mammal species
uprooting of wild plants
protected areas in the uk
Site of Special Scientific Interest
National Nature Reserve
Special Area of Conservation
Special Protection Area
Natura 2000 sites
Ramsar sites
Marine Nature Reserve
Local Nature Reserve
Marine Protected Area
Marine Conservation Zone
CITES
Appendix I - includes species that are threatened with extinction. so all international trading is banned except movement for conservation breeding programmes
Appendix II - this includes species that may be threatened with extinction if trade is not closely controlled . trade is permitted from countries where the species is relatively well protected so limited exploitation does not threaten their survival
organisation which aim to achieve sustainable exploitation
International Whaling Commission
total protection for certain species
designation of whale sanctuaries
setting limits on numbers and sizes of whales that can be taken
protection of suckling mothers and their calves
carrying out research into whale biology and activities that threaten whales such as ship strikes and entanglement with fishing nets
Aboriginal subsistence
- whaling is permitted for cultural groups that ave traditionally hunted whales for food
Special Permit Whaling
- this involves the killing of whales for scientific research
International Tropical Timber Organisation