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Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 612
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Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 612
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Author: Jacob John
Publisher:
ISBN:
Category : Diatoms
Languages : en
Pages : 532
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Author: Herman van Dam
Publisher: Springer Science & Business Media
ISBN: 9401736227
Category : Science
Languages : en
Pages : 530
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Book Description
The Twelfth International Diatom Symposium stressed how diatoms can be used to assess the human impact on natural waters, without neglecting other important fields of research. As the frustules of many diatom species are relatively resistant to dissolution they are preserved in freshwater and marine sediments and provide a record of past environments on earth. In past decades they have been successfully used to reconstruct changes in water bodies evoked by changes in salinity, acidification and eutrophication. In the last few years diatom-inferred predictions of environmental variables have become much more quantitative. In the most recent research reports the strong separation between palaeolimnological and neolimnological diatom research is fading, as palaeolimnologists are increasingly using modern calibration sets to infer past states of the environment. This quantitative approach is also very suitable for prediction of future changes in the biota of surface waters. Also ecological changes due to climatic modification have been investigated more thoroughly recently. A very important new research topic is the occurrence of toxic diatoms, particularly along the coasts of North America. These proceedings are intended to be a balanced view of such modern developments in diatom research. They should also be of interest to non-specialists in diatoms, who can use the results of diatom research as a tool in a more general taxonomic, ecological and geological context.
Author: F. E. Round
Publisher: Cambridge University Press
ISBN: 1107393132
Category : Science
Languages : en
Pages : 1208
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This book presents a wide-ranging introduction to the diatoms together with an illustrated description of over 250 genera. Diatoms are important as perhaps the commonest group of autotrophic plants on earth and are abundant in all waters and on soils and moist surfaces. The introduction describes the diatom cell in detail, the structure of the wall (often extremely beautiful in design), the cell contents and aspects of life cycle and cell division. The generic atlas section is the first account of diatom systematics since 1928 (Karsten in Engler and Prantl: Die Nauturlichen Pflanzenfamilien) and each generic description is accompanied by scanning electron micrographs to show the characteristic structure. Most of the latter have been prepared specially for this work from the authors' own collections. The Diatoms will be the standard reference work on the group for years to come and is an essential reference volume.
Author: Donato Marino
Publisher:
ISBN:
Category : Medical
Languages : en
Pages : 596
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Author: Shigeki Mayama
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 664
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Author: Andrzej Witkowski (dr ichtiologii.)
Publisher:
ISBN:
Category : Diatoms
Languages : en
Pages : 532
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Author: John Patrick Kociolek
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 688
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Author: D. G. Mann
Publisher:
ISBN:
Category : Diatoms
Languages : en
Pages : 552
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Author: Michel Poulin
Publisher:
ISBN:
Category : Diatoms
Languages : en
Pages : 500
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