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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.
The classification system has four levels, but only Levels I and III are on this list. Level I divides North America into 15 broad ecoregions; of these, 12 lie partly or wholly within the United States. Fifty Level II regions were created to allow for a narrower delineation of Level I areas. Three level I areas were not subdivided for level 2. [2]
Ecological classification or ecological typology is the classification of land or water into geographical units that represent variation in one or more ecological features. . Traditional approaches focus on geology, topography, biogeography, soils, vegetation, climate conditions, living species, habitats, water resources, and sometimes also anthropic factors.
Agronomy - Aquatic ecology - Atmosphere - Behavioral ecology - Biodegradable materials - Biodiversity - Biogeography - Biomes - British National Vegetation Classification - Ecological experiments - Ecologists - Ecology journals - Ecoregions - Ecozones - Extinction - Insect ecology - Invasive species - Natural history - Nitrogen metabolism ...
Also Gause's law. A biological rule which states that two species cannot coexist in the same environment if they are competing for exactly the same resource, often memorably summarized as "complete competitors cannot coexist". coniferous forest One of the primary terrestrial biomes, culminating in the taiga. conservation biology The study of Earth's biodiversity with the aim of protecting and ...
A plant community can be rare even if none of the major species defining it are rare. [1]: 115 This is because it is the association of species and relationship to their environment that may be rare. [1]: 115 An example is the sycamore alluvial woodland in California dominated by the California sycamore Platanus racemosa.
Pages in category "Community ecology" The following 33 pages are in this category, out of 33 total. This list may not reflect recent changes. A. Appalachian balds;
In scientific ecology, climax community or climatic climax community is a historic term for a community of plants, animals, and fungi which, through the process of ecological succession in the development of vegetation in an area over time, have reached a steady state. This equilibrium was thought to occur because the climax community is ...