Abstract
An environmental niche can be considered as a subdivision of the biosphere characterized by a particular set of biotic and abiotic factors, and in a time sense no single group of organisms can be separated from the rest of the biota in an ecosystem. An ecosystem is a concept which cannot be measured or delimited directly. Nutrients and nutrition are primary factors in determining the kind of community which develops. Variety and concentration of nutritional substrates are primary factors in determining the community (Hungate, 1962).
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© 1972 Plenum Press, New York
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Dugan, P.R. (1972). Ecological Concepts. In: Biochemical Ecology of Water Pollution. Springer, Boston, MA. https://doi.org/10.1007/978-1-4613-4389-9_5
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DOI: https://doi.org/10.1007/978-1-4613-4389-9_5
Publisher Name: Springer, Boston, MA
Print ISBN: 978-1-4613-4391-2
Online ISBN: 978-1-4613-4389-9
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