ENV221H1 Lecture Notes - Lecture 18: Passenger Pigeon, Atlantic Cod, Urban Sprawl
Document Summary
Various threat that contributes to loss of biodiversity. Growing population = growing appetite to resources. Human - cause reduction in biodiversity( 2 polarized reasons) Increasing wealth (based on exploiting the environment) is generating demands on the environment that cannot continue to be met. In the poorer region, poverty forces people to adopt subsistence living that destroy the critical habitats for the other specie. They need to exploit more resources to live. If we feel like threatened, we want to kill the species. Many animal poop have greatly reduced or exterminated because they are regarded as dangerous to humans or livestock. Us annual pet trade in wild species. 128 million tropical fish - often caught with cyanide above coral reefs. 50 deaths per liev arrival at the market. Trading of endangered species parts - illegal! Consumer only wants a single part other wasted. Current debate on how much blame they should get.
