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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.
Definition Species population: All individuals of a species. Metapopulation: A set of spatially disjunct populations, among which there is some migration. Population: A group of conspecific individuals that is demographically, genetically, or spatially disjunct from other groups of individuals. Aggregation: A spatially clustered group of ...
In this way, the environmental and ecological relations are studied through reference to conceptually manageable and isolated material parts. After the effective environmental components are understood through reference to their causes; however, they conceptually link back together as an integrated whole, or holocoenotic system as it was once ...
Contemporary niche theory (also called "classic niche theory" in some contexts) is a framework that was originally designed to reconcile different definitions of niches (see Grinnellian, Eltonian, and Hutchinsonian definitions above), and to help explain the underlying processes that affect Lotka-Volterra relationships within an ecosystem. The ...
Ethnoecology is the scientific study of how different groups of people living in different locations understand the ecosystems around them, and their relationships with surrounding environments. It seeks valid, reliable understanding of how we as humans have interacted with the environment and how these intricate relationships have been ...
The black walnut secretes a chemical from its roots that harms neighboring plants, an example of competitive antagonism.. In ecology, a biological interaction is the effect that a pair of organisms living together in a community have on each other.
Ecosystem classifications are specific kinds of ecological classifications that consider all four elements of the definition of ecosystems: a biotic component, an abiotic complex, the interactions between and within them, and the physical space they occupy. Biotic factors of the ecosystem are living things; such as plants, animals, and bacteria ...
These groups share an indistinguishable part within their energy flow, providing a key position within food chains and relationships within environment(s). [ 2 ] An ecosystem is the biological organization that defines and expands on various environment factors, abiotic and biotic , that relate to simultaneous interaction. [ 3 ]