Conservation Biology: The Science of Scarcity and DiversityMichael E. Soulé |
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Page 20
... extinction from chance or stochastic extinction . Then he distinguished four separate forces , or kinds of variation , that indepen- dently contribute to population extinction . The first two , demographic stochasticity and genetic ...
... extinction from chance or stochastic extinction . Then he distinguished four separate forces , or kinds of variation , that indepen- dently contribute to population extinction . The first two , demographic stochasticity and genetic ...
Page 25
... extinction occurs when something essential is re- moved ( such as space , shelter , or food ) , or when something lethal is introduced ( such as too many cats or hydrogen ions ) . Deterministic extinctions can be linked . For example ...
... extinction occurs when something essential is re- moved ( such as space , shelter , or food ) , or when something lethal is introduced ( such as too many cats or hydrogen ions ) . Deterministic extinctions can be linked . For example ...
Page 490
... extinctions The purpose of a reserve system is to protect species against the risk of extinction . Hence the first biological considerations that require discussion are the potential causes of vertebrate extinctions , which I shall ...
... extinctions The purpose of a reserve system is to protect species against the risk of extinction . Hence the first biological considerations that require discussion are the potential causes of vertebrate extinctions , which I shall ...
Contents
Conservation Biology and the Real World | 1 |
The Fitness and Viability of Populations 13 | 13 |
Processes of Species | 19 |
Copyright | |
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a-diversity abundance Africa alleles animals Barro Colorado Barro Colorado Island bats biological biologists bird species breeding caves Chapter climate coadaptation communities conservation biology crop density dispersal distribution disturbance ecological ecosystem edge effects endemic environmental example extinction fauna Figure flora fragmentation frugivores fynbos genes genetic load genetic variation genic diversity Gentry geographic growth Guinea habitat specificity heliophiles heterosis heterozygosity heterozygous homozygotes Houérou Hubbell and Foster human inbreeding inbreeding depression increase individuals insect interactions introduced species Irian Jaya islands isolated km² levels loci males mammals mangrove mating natural number of species nutrients occur outbreeding depression overdominance patches patterns percent plant species pops population population densities predators problems range rare species rarity reef regeneration regions relatively reserves result season soil Soulé studies Table taxa Terborgh tion tree species troglobites tropical forests variability vegetation vertebrates zone Ꮴ Ꮴ Ꮴ