BIO 227 Lecture Notes - Lecture 1: Bald Eagle, Trophy Hunting, Spotted Owl
Document Summary
Bio 227 wildlife conservation biology- lecture notes 9/21/15. Key endangered species: wolves: threats to livestock, a bounty put on them. Increase in their population lead to increase in wildlife and changed yellowstone geology: spotted owl: threat- barred owl, more dominant competitor. Threat- logging, dependent on old growth forests: bald eagle: ddt used wwii, vietnam as pesticide bioaccumulation and bio magnification led to soft eggs. Other threat- habitat destruction/ illegal shooting: lion: about 25-30,000 left in africa down from 200,000 in 1960. Cecil the lion shot by trophy hunter from mn. The human footprint: determine human impact: total human population size x per capita resource use, 2015: 7. 349 billion people (world population)
