By E. Naylor, R. G. Hartnoll
ISBN-10: 0080232175
ISBN-13: 9780080232171
Cyclic Phenomena in Marine crops and Animals covers the court cases of the thirteenth ecu Marine Biology Symposium. The identify offers papers that take on the cyclical organic techniques in inhabitants ecology, developmental biology, metabolism, and the habit of marine organisms.
The textual content first covers issues in regards to the inhabitants cycles of natural world. subsequent, the choice info the rhythmic features of copy and development, after which proceeds to discussing the cyclical facets of construction and metabolism. The textual content additionally bargains with the rhythmic habit and its keep watch over by means of environmental and physiological components.
The publication can be of significant use to scholars, researchers, and practitioners of marine biology and ecology.
Read Online or Download Cyclic Phenomena in Marine Plants and Animals. Proceedings of the 13th European Marine Biology Symposium, Isle of Man, 27 September–4 October 1978 PDF
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Extra resources for Cyclic Phenomena in Marine Plants and Animals. Proceedings of the 13th European Marine Biology Symposium, Isle of Man, 27 September–4 October 1978
Example text
The sulfide layer 1 cm below the sediment surface. Symbols and scales as in Fig. 2a. The bacterial growth and activity must be much larger in the sediment surface layer, since bacteria normally maintain their populations even where the grazing is most intense. This is also in accordance with the results of Vosjan and Olanczuk-Neyman (1977), who found the highest mineralization activities in the upper cm of a marine sediment, and a drop of 70% of the surface activity at 2 cm depth. Another indication of grazing effects on bacteria and ciliates was their increased populations during the late part of 1972 compared to corresponding period in 1971 when the macrofaunal density was about 2 to 3 times higher than the following winter (Fig.
In the narrow sense, the differences analysed have been restricted to species lists and relative abundances; in the broader sense, they have included terms for interspecific interaction and cyclic or non-cyclic stability. Both the interaction and stability terms have been analysed by one of several families of analytic tools: variance-variance to mean values, diversity-evenness measures, similarity-affinity indices, and alpha-type interaction matrices. These have often been supplemented by studies of microdispersion, designed to increase the number or accuracy of data points.
North Inlet is a shallow subtidal site, whereas the others are intertidal, whole-beach sites. Irvine Bay is subject to organic and industrial pollution, whereas the others are relatively unpolluted. The two Scottish sites are under maritime climatic regimes whereas the two American sites, especially Buzzards Bay, are under continental climatic regimes. In all it is a difficult group of sites to assess with respect to anticipated faunistic stability. The null hypothesis is that all should have the same persis tence stability of Gastrotricha.
Cyclic Phenomena in Marine Plants and Animals. Proceedings of the 13th European Marine Biology Symposium, Isle of Man, 27 September–4 October 1978 by E. Naylor, R. G. Hartnoll
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