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BIOC50H3 (15)
Chapter 22

chapter 22 book notes

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Department
Biological Sciences
Course Code
BIOC50H3
Professor
Marc Cadotte

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CHAPTER 22
Bombing on Fort Bragg military base helped save endangered red-cockaded
woodpecker (longleaf pin savannah)
Conservation Biology: study of phenomena that affects the maintenance, loss
and restoration of biodiversity
Ecosystem Services: we are dependent on these; water purification, climate
regulation, flood control etc.
Alfred Russel Wallace = father of biogeography
Alwyn Gentry = major role in diversity and distribution of Neotropical trees
Estimation of 1 extinct species every 200 years
Extinction Vortex: population drops in size, becomes vulnerable to reduce
even further
Earths biota is becoming more homogenized
Native Specialists: those with adaptations resulting from evolution = losers
Native Generalists: those with less strict habitat requirements = winners
Taxonomic Homogenization: spread of introduced species and native
generalists with declining native specialists
Habitat loss & degradation = most important threats to biodiversity
Earth has been modified ~83%
Habitat Degradation: changes that reduce quality of habitat for many, but
not all, species
Habitat Fragmentation: breaking up of a habitat into habitat patches
Habitat Loss: conversion of an ecosystem to another use
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Description
CHAPTER 22 Bombing on Fort Bragg military base helped save endangered red-cockaded woodpecker (longleaf pin savannah) Conservation Biology: study of phenomena that affects the maintenance, loss and restoration of biodiversity Ecosystem Services: we are dependent on these; water purification, climate regulation, flood control etc. Alfred Russel Wallace = father of biogeography Alwyn Gentry = major role in diversity and distribution of Neotropical trees Estimation of 1 extinct species every 200 years Extinction Vortex: population drops in size, becomes vulnerable to reduce even further Earths biota is beco
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