Biogeography

Biogeography

The study of geographic distribution of living organisms.

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Biogeography

guild

Biology; Biogeography

Two or more co-occurring species' populations that exploit the same type of resources in similar ways. Competition is expected to be especially important within guilds.

typically used in relation to species, a single index that incorporates the number of species and relative abundances of species (evenness). For example, a collection is said to have high diversity ...

nest success

Biology; Biogeography

Survival of eggs or nestlings (usually excluding those of brood parasites). (see Hatching success).

recruitment

Biology; Biogeography

The addition of new individuals to a population by reproduction, commonly measured as the proportion of young in the population just before the breeding season.

habitat fragmentation

Biology; Biogeography

The alteration of a large habitat patch to create isolated or tenuously connected patches of the original habitat that are interspersed with an extensive mosaic of other habitat types.

generation time

Biology; Biogeography

The average age at which a female produces her offspring, or the average time for a population to increase by a factor equal to the net reproductive rate.

fitness

Biology; Biogeography

The average contribution of one allele (i.e., one form of a gene) or genotype to the next generation or to succeeding generations, compared with that of other alleles or genotypes. It may be either ...