Ecology
Study of the interactions of living organisms with one another and with their nonliving environment of matter and energy; study of the structure and functions of nature.
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Study of the interactions of living organisms with one another and with their nonliving environment of matter and energy; study of the structure and functions of nature.
Biological scientist who studies relationships between living organisms and their environment. Compare conservation biologist, conservationist, environmentalist, environmental scientist, preservationist, restorationist.
Process in which communities of plant and animal species in a particular area are replaced over time by a series of different and often more complex communities. Also community development is used. See primary succession, secondary succession.
Deliberate alteration of a degraded habitat or ecosystem to restore as much of its ecological structure and function as possible.
Number of individuals of a population per unit area of habitat. Compare population density.
Total way of life or role of a species in an ecosystem. It includes all physical, chemical, and biological conditions a species needs to live and reproduce in an ecosystem. Also niche. See fundamental niche, realized niche.
Method for deciding how land should be used; development of an integrated model that considers geological, ecological, health, and social variables.
Measure of the ecological impact of the (1) consumption of food, wood products, and other resources, (2) use of buildings, roads, garbage dumps, and other things that consume land space, and (3) destruction of the forests needed to absorb the CO2 produced by burning fossil fuels.
Percentage of energy transferred from one trophic level to another in a food chain or web.
Variety of forests, deserts, grasslands, oceans, streams, lakes, and other biological communities interacting with one another and with their nonliving environment. See biodiversity. Compare functional diversity, genetic diversity, species diversity.
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