Knowra Community (ecology) Community (ecology) An ecological community consists of populations of different species living and interacting in the same area. Its composition and interactions shape local patterns of abundance and diversity.
Population (ecology) : A group of individuals of the same species living in a particular area. Communities are assembled from interacting populations of different species.
Competition (biology) : An interaction in which organisms use a shared, limited resource, reducing its availability to one another. Competition can restrict which species coexist and how abundant they become.
Biodiversity : The variety of life, considered across genes, species, and ecosystems. Community composition is a central part of biodiversity at the species level.
Ecosystem : A system comprising organisms, their physical environment, and the interactions linking them. An ecosystem includes the abiotic environment as well as the community.
Species : A biological group whose members share defining characteristics and, in many species, can interbreed. Species identity determines which populations make up a community.
Predation : An interaction in which one organism kills and consumes another organism. Predators can alter prey abundance and indirectly affect other community members.
Conservation biology : The science of protecting biological diversity and sustaining species, habitats, and ecological processes. Conservation decisions often depend on understanding community composition and interactions.
Metacommunity : A set of local communities linked by the dispersal of multiple species. It extends community analysis across sites connected by species movement.
Ecological niche : The conditions, resources, and interactions that shape how a species lives in an ecosystem. Niche differences help explain how species coexist within communities.
Mutualism : An interaction between species in which each gains a fitness benefit. Mutualisms can support persistence and change the composition of communities.
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