Ronald M. Atlas (auth.), K. C. Marshall (eds.)'s Advances in Microbial Ecology PDF

By Ronald M. Atlas (auth.), K. C. Marshall (eds.)

ISBN-10: 1468489895

ISBN-13: 9781468489897

ISBN-10: 1468489917

ISBN-13: 9781468489910

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In the autumn and early winter, Skeletonema costatum was abundant in the central polluted areas. The coastal waters of Hong Kong constitute a transition from estuarine conditions in the west to more oceanic conditions in the east, with the major discharge of untreated sewage located at the midpoint. Stevenson and Stoermer (1982) likewise found high diversity in an area of Lake Huron that was receiving inputs of sewage effluent. They suggested that species diversity is a curvilinear function of growth inhibition.

1968) examined the relationship between species diversity and stability using an experimental approach with protozoa and bacteria. They used small experimental communities of bacteria and protozoa to test the widely held hypothesis that higher species diversity brings about greater stability. Three species of bacteria, three species of Paramecium, and two species of protozoan predators, Didinium and Woodruffia, were used. The communities were maintained by regular additions of appropriate combinations of species of bacteria.

The results suggest a nonequilibrium view of community structure and disturbances that open space for the maintenance of diversity in most communities of sessile organisms. Grimes et al. (1980) compared epiphytic diatom assemblages on living and dead stems of the common grass Phragmites australis. Diatoms epiphytic on P. australis were collected from a single clone at the southern end of Provo Bay, Utah Lake, Utah. Diatom populations of both living and dead stem sections were analyzed. The species diversity in each sample was high, indicating that the stems provided a relatively stable habitat for diatom epiphytes.

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Advances in Microbial Ecology by Ronald M. Atlas (auth.), K. C. Marshall (eds.)


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