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biodiversityhotspot |
a concept originated by Norman Myers to describe a geographical region with a large number of endemic species and a large percentage of degraded habitat |
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biodiversity |
the variety of a biological system, typically conceived as the number of species, but also applying to genes, biochemistry, and ecosystems |
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bushmeat |
a wild-caught animal used as food (typically mammals, birds, and reptiles); usually referring to hunting in the tropics of sub-Saharan Africa, Asia, and the Americas |
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bushmeat |
the variety of metabolic compounds in an ecosystem |
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chemicaldiversity |
a disease of amphibians caused by the fungus Batrachochytriumdendrobatidis; |
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chytridiomycosis |
thought to be a major cause of the global amphibian decline |
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ecosystemdiversity |
the variety of ecosystems |
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endemicspecies |
a species native to one place |
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exoticspecies |
(also, invasive species) a species that has been introduced to an ecosystem in which it did not evolve |
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extinctionrate |
the number of species becoming extinct over time, sometimes defined as extinctions per million species–years to make numbers manageable (E/MSY) |
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extinction |
the disappearance of a species from Earth; local extinction is the disappearance of a species from a region |
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geneticdiversity |
the variety of genes and alleles in a species or other taxonomic group or ecosystem; the term can refer to allelic diversity or genome-wide diversity |
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habitatheterogeneity |
the number of ecological niches |
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secondaryplantcompound |
a compound produced as a byproduct of plant metabolic processes that is typically toxic, but is sequestered by the plant to defend against herbivores |
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species-arearelationship |
the relationship between area surveyed and number of species encountered; typically measured by incrementally increasing the area of a survey and determining the cumulative numbers of species |
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tragedyofthe commons |
an economic principle that resources held in common will inevitably be over-exploited |
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white-nosesyndrome |
a disease of cave-hibernating bats in the eastern United States and Canada associated with the fungus Geomycesdestructans |
- 1951 reads
