BIOL2010 Lecture Notes - Lecture 36: Zebra Mussel, Atlantic Cod, Endocrine Disruptor
Document Summary
Bottom up effects throughout food web: colonize pipes and restrict flow. Brown tree snakes in guam: introduced and wiping out the prey for specific birds that live only in guam. Stoats: weasels in new zealand, has a simplistic community, government legislation where they are trying to eliminate non-native species. More susceptible to new species coming in and affecting the habitat drastically: overexploitation. Unsustainable removal of wildlife from the environment for use by humans. Artisanal: people with nets fishing for sustenance. Industrial: increased so much over the last half century. Example: atlantic cod: less and less cod were caught due to overfishing, fish were caught faster than they could reproduce harder to see because people don"t live where the fish for the most part. Animals for animal products: elephants for ivory. 301 terrestrial mammals threatened with extinction due to hunting for food.
