Chrysophytes, from Fossil Perspectives to Molecular Characterizations PDF Download

Author: James L. Wee
Publisher:
ISBN:
Category : Chrysophytes
Languages : en
Pages : 331

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Author: James L. Wee
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 342

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Author: Ronald H. Petersen
Publisher:
ISBN:
Category : Agaricales
Languages : en
Pages : 634

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Book Description

Author: Jørgen Kristiansen
Publisher: CUP Archive
ISBN: 0521320909
Category : Science
Languages : en
Pages : 354

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This 1986 book presents an in-depth treatment of the biology of chrysophytes, providing a strong foundation towards understanding today's living forms of chrysophyte algae and illuminating the probable aquatic ecosystems of the past. The papers are from the 1953 First International Chrysophyte Symposium held at the University of North Dakota.

Author: Jiří Neustupa
Publisher:
ISBN: 9783443510640
Category : Chrysophytes
Languages : en
Pages : 190

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Book Description
The present volume includes 13 scientific papers based on the studies presented at the 8th International Chrysophyte Symposium 2012 in Prague. Chrysophyte research has traditionally concentrated on the silica-scale bearing groups, such as Synurales or Paraphysomonadaceae. Consequently, most of the papers here deal with aspects of the biology of silica-scaled chrysophytes. The contributions include papers on palaeobiology, such as the study dealing with Cenozoic Synura taxa from Northern Canada, and taxonomy, such as the studies describing new Mallomonas taxa or reviewing taxonomic status of the family Paraphysomonadaceae. Several studies employed the techniques of geometric morphometrics that have now become the method of choice for the quantitative analysis of the scale variation. The volume also includes several studies on the distribution of silica-scaled chrysophytes in previously unstudied regions of Asia and Europe. One study presenting rich stomatocysts assemblages of the Stone Ponds in North-Eastern China is also presented. Finally, the volume also contains a paper presenting the barcoding potential of various DNA regions of the freshwater diatom genus Frustulia based on molecular screening. The volume is dedicated to the memory of Hans Ruedi Preisig, a prominent chrysophyte researcher, who deceased in November, 2011 and presents an overview of his work. This volume gives insights into palaeoecology, ecology, biogeography, physiology and molecular biology of chrysophytes and related algae. It not only presents the results but also provides powerful examination tools.

Author: Peter Allan Siver
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 286

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Book Description

Author: Jørgen Kristiansen
Publisher:
ISBN: 9783443600372
Category : Chrysophyceae
Languages : en
Pages : 260

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Recent advances in ultrastructural and molecular research have provided new understandings of relationships of traditional chrysophytes, and also many new genera have been described in the last two decades. In this encyclopedia 201 genera of chrysophytes known to date (plus numerous synonyms) are surveyed, namely 110 genera of Chrysophyceae sensu stricto and 58 additional genera, many of which have previously been accommodated in the Chrysophyceae, but are now placed in other classes of the Chromophyta/Heterokonta [i.e., Synurophyceae (8 genera), Dictyochophyceae (13 genera), Pelagophyceae (10 genera), Phaeothamniophyceae (16 genera) and "Bicosoecophyceae" (11 genera)]. Also treated are 33 insufficiently known genera of uncertain affinity, which probably do not belong to the Chrysophyceae sensu stricto, but which have often been assigned to this class (e.g., among others, genera included in the family Aurosphaeraceae and in the orders Chrysomeridales and Parmales). The concept of classification presented in this book is very different from that in the last detailed monographs on freshwater Chrysophyceae by Bourrelly (1981) and Starmach (1985). We also include information on more than 80 genera which have not yet been treated by these authors. Almost 50 of these are marine and are now mostly classified in the Dictyochophyceae, Pelagophyceae and "Bicosoecophyceae", or belonging to the genera of uncertain chrysophyte affiliation. In comparison with these previous monographs a number of colourless flagellates (e.g., the choanoflagellates that were included in the Chrysophyceae as a separate subclass, Craspedomonadophycidae), have been taken away from this class, since they were shown to be related to different protistan lineages with no close relationships to heterokonts. This volume is the result of an ambitious project, entitled "Encyclopedia of Algal genera" launched back in 1988 by Bruce Parker and sponsored by the Phycological Society of America. A large team of coeditors and contributors was set down, so that all groups of algae could be covered. After some years, however, the project ran into difficulties and it became increasingly clear that it could not be completed so that in 1999 it was finally abandoned. The manuscripts, in different states of completeness, were handed over to the Phycological Society of America, who, unfortunately, did not find it possible to continue the project and bring it to conclusion (publication). The chrysophyte manuscripts, however, were almost complete and newly revised, and we found that all our work, together with that of the other chrysophyte contributors, should not be wasted, but published as a separate chrysophyte encyclopedia in Bibliotheca Phycologica. The editors and contributors thank PSA who supported the idea and gave the necessary permissions.

Author: Gertrud Cronberg
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 280

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Author: Jorgen Kristiansen
Publisher:
ISBN:
Category : Chrysophytes
Languages : en
Pages : 399

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Book Description

Author: Jørgen Kristiansen
Publisher: Cambridge University Press
ISBN: 9780521320900
Category : Science
Languages : en
Pages : 352

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Book Description
Originally published in 1986, this book presents an in-depth treatment of the biology of the chrysophytes. The papers collected here are a result of the First International Chrysophyte Symposium held at the University of North Dakota in 1953. The 'golden algae', a group of predominantly fresh water microorganisms, have distinctive features that present much information about their taxonomic classification, their place in evolution and their role in the environment. The ecological significance of the chrysophytes is evident from their abundance in acid bogs and lakes, a condition that has created a new group of investigators concerned with these unique algae and the changing environment. These are just some of the aspects of chrysophyte biology that are discussed here. This book provides a strong foundation towards understanding today's living forms of chrysophyte algae and sheds light on the probable aquatic ecosystems of the past.