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An ecosystem is a community of living organisms interacting in complex ways with the physical environment, such as soils, geography, chemistry, and weather, to form a relatively cohesive functional unit. This definition suggests a certain degree of similarity across a given area such that what happens in an ecosystem is fairly predictable. Cities meet that definition and, in fact, there are several urban ecosystems being studied under the international Long Term Ecological Research Network.... więcej
Salem Press Encyclopedia of Science, 2019. 8p.
