How Humans Threaten Wildlife Flashcards
How do humans deliberately harm wildlife
-plastic pollution
-Deforestation for recourses like wood and timber
-clearance of land
-argriculture
-extraction of recourses (fracking)
-poaching
-overfishing/ destructive fishing methods like dynamite fishing
-tourism
-pollution
Examples of unsustainable exploitation for food
-Dodo
-Passenger pigeon
-Snake skin
How have humans exploited snow leopards?
Poaching for skin. Illegal trade
How many skins are needed to make a snow leopard coat ?
7
Examples of unsustainable exploitation for pets and entertainment
Circuses
Sea world
(Animals forced to perform)
Case study of unsustainable exploitation: why and how have humans exploited the yellow headed parrot?
-Popularity as a pet as it can imitate human speech
-endangered in the wild and thought to have declined by 90% in Mexico and northern Central America
What has been done to protect the yellow headed parrot?
Illegal to import them (international protection)
Nests are monitored
What does CITES stand for
Convernthon of International Trade of Endangered Species (of wild flora and fauna)
What is appendix 1 and 2 of CITES
Appendix 1: cannot trade species (international trade is banned)
Appendix 2: trade is closely monitored and restricted (may be allowed from and area of high population to low)
Examples of unsustainable exploitation for furniture and orniments
Leather: for chairs and couches
Animal skin rugs
Shark teeth
Coral reeds
Ivory
Examples of unsustainable exploitation for medicine
-Rhinos and tigers for horns and bones (healing properties)
-small ant eating creatures (ground up to help Arthiritis)
-buffalo bone (prevents vomiting)
-seahorses (treats circularity problems and infertility)
How have species been introduced to non native areas ?
Big ships carry ballast water (moves species from one area to another)
Accidental transport with imported food (eg spiders in bananas)
Escape of abandoned pets (eg terrapins)
Species used for food production (eg fish farms)