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DEMOGRAPHIC PROCESSES: POPULATION DYNAMICS IN HETEROGENEOUS LANDSCAPES
Citation:
Pulliam, H. AND J. Dunning. DEMOGRAPHIC PROCESSES: POPULATION DYNAMICS IN HETEROGENEOUS LANDSCAPES. U.S. Environmental Protection Agency, Washington, D.C., EPA/600/A-94/021.
Description:
Few topics have attracted the attention of ecologists more than fluctuations in the numbers of plants and animals through time and their variation in abundance through space. nderstanding population fluctuations, and thus population conservation, requires understanding the links between demographic processes-birth, death, immigration and emigration--and the environments in which populations exist. t is only by viewing populations from these several perspectives at once hat one can both appreciate the enormous complexities of population abundance and distribution and begin to organize and understand that complexity. his understanding is an essential prerequisite to developing a practical theory of population ecology that can aid in conserving biological diversity. his chapter covers a variety of concepts that allow one to study and understand the demography and dynamics of natural populations on various temporal and spatial scales.