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In ecology, a population is a group of organisms of the same species which inhabit the same geographical area and are capable of interbreeding. [2] [3] The area of a sexual population is the area where interbreeding is possible between any opposite-sex pair within the area and more probable than cross-breeding with individuals from other areas.
Crowding is the size (the number of individuals) of a group that a particular individual lives in (equals to group size: one for a solitary individual, two for both individuals in a group of two, etc.). Practically, it describes the social environment of one particular individual. This was called Individual Group Size in Jovani & Mavor's (2011 ...
A group of individuals within an investigator-delimited area smaller than the geographic range of the species and often within a population (as defined above). A local population could be a disjunct population as well. Subpopulation: An arbitrary spatially delimited subset of individuals from within a population (as defined above). Immigration
A bear with a salmon. Interspecific interactions such as predation are a key aspect of community ecology.. In ecology, a community is a group or association of populations of two or more different species occupying the same geographical area at the same time, also known as a biocoenosis, biotic community, biological community, ecological community, or life assemblage.
Size (the number of people involved) is an important characteristic of the groups, organizations, and communities in which social behavior occurs. [1]When only a few persons are interacting, adding just one more individual may make a big difference in how they relate.
The number of individuals of a species living in a defined area. population distribution See range. population ecology A branch of ecology which deals with the dynamics of populations within species, and the interactions of these populations with environmental factors. Also called autecology. population size
In community A, one of the species constitutes 80% of the individuals in the community, while the remaining three species comprise only 20% of the individuals in the community. In community B, the number of individuals are evenly divided among the four species, (25% each). Therefore, community A has lower species evenness than community B. When ...
The so-called "50/500 rule", where a population needs 50 individuals to prevent inbreeding depression, and 500 individuals to guard against genetic drift at-large, is an oft-used benchmark for an MVP, but a recent study suggests that this guideline is not applicable across a wide diversity of taxa.