How humans threaten wildlife Flashcards
How do humans deliberately exploit wildlife
- deforestation
- combustion
- take for medicine
- hunting
-pollution
What example is used for the unsustainable exploitation for food
- the dodo became extinct because of deforestation and hunting
Examples of unsustainable exploitation for fashion
- elephants
- rhino
- snake skin
How and why have humans exploited snow leopards
- killed by farmers if their livestock is endangered
- hunt and kill their prey
- habitat loss
Examples of unsustainable exploitation for pets and entertainment
- force bears, elephants and tigers in circuses to perform confusing and physically demanding tricks
How and why have humans exploited the yellow headed parrot
- they are sold and captured in pet trade
- it has undergone a 90% population decline since the mid 1970’s to 7000 birds in 1994
How have yellow headed parrots been protected
- TIDE’s terrestrial team have set up an artificial nest box program to offer greater protection and increase in survival
What is CITES
- the convention on international trade in endangered species of wild fauna and flora
- appendix 1: all species where international trade is banned
- appendix 2: trade is closely monitored and restricted
Examples of unsustainable exploitation for furniture and ornaments
- leather
- taxidermy
- animal skins
Examples of unsustainable exploitation for traditional medicines
- bears - bile - used in fevers, heart diseases
- tigers - bones, teeth etc - malaria, insomnia
Examples of eradication of predators and pests
- eradicate a vector disease
- protect livestock
- mosquitoes and malaria
- animals that threaten humans
What are the unintentional harm by other activities
- trampling
- roadkill
- littering
- urbanisation
How have species been introduced to non-native areas
- been transported by boats
- by ballast water
- climate change causing migration pattern change
- escaped or abandoned pets
2 examples of introduced species
- american mink - were brought to the uk to be used in fur farms and were released by activists - they were very territorial and aggressive
- grey squirrel - introduced in 1876 as they looked very exotic - they outcompeted red squirrels and damaged trees
What’s the definition of biotic
- relating to or resulting from living organism