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14 Cards in this Set
- Front
- Back
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ecological diversity
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measure of biodiversity that takes into account variation in the ecological roles of species
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genetic diversity
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measure of genetic variation in a pop, species, or community
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phylogenetic diversity
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measure of biodiveristy takes into account degree of relationship among organisms, giving greater weight to more distantly related forms
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adaptive radiation
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diversification of species descended from a recent common ancestor
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endemic
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occuring in particular region andnow where else, referring to disease present at low level in pop
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endemism
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state of a species that is restricted to single region
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ecotourism
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travel for the recreational purpose of observing unusual species or ecological habitat and landscapes
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flagship species
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species highly valued by human society whoes preservation results in preservation of other species
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background extinction
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extinction of species or higher taxa at relativley low rate during periods without rapid environmental change
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mass extinction
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abrupt disappearance of large proportion of species or higher taxa result of catastrophe
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anthropogenic extinction
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extinction caused by human activites
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emerging disease
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disease that appears in pop. or species for first time, that is rapidly increasing in incidence or geographic range
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mvp
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minimum viable pop.-minimum # indiv. necessary to prevent pop from suffering stochastic extinction
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pva
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pop. viability analysis-method using simultion models incorporating demographic and environmental info to predict prob. that pop will avoid extinction within given period
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