Population Ecology Vocabulary

abiotic component
A nonliving chemical or physical factor in the environment.
biome
One of the world's major ecosystems, classified according to the predominant vegetation and characterized by adaptations of organisms to that particular environment.
biotic component
All the organisms that are part of the environment.
carrying capacity
The maximum population size that can be supported by the available resources, symbolized as K.
clumped dispersion
Describing a dispersion pattern in which individuals are aggregate in patches.
community
All the organisms that inhabit a particular area; an assemblage of populations of different species living close enough together for potential interaction.
ecology
The scientific study of how organisms interact with their environments.
ecosystem
All the organisms in a given area as well as the abiotic factors with which they interact; a community and its physical environment.
exponential growth model
The geometric increase of a population as it grows in an ideal, unlimited environment
life history
The series of events from birth through reproduction and death.
logistic growth model
A model describing population growth that levels off as population size approaches carrying capacity.
mark-recapture method
A sampling technique used to estimate wildlife populations.
population density
The number of individuals of a species per unit area or volume.
population
A group of individuals of one species that live in a particular geographic area.
random dispersion
Describing a dispersion pattern in which individuals are spaced in a patternless, unpredictable way.
uniform dispersion
Describing a dispersion pattern in which individuals are evenly distributed.