The Genus Stauroneis In The Arctic And Sub Antarctic Regions
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The Genus Stauroneis In The Arctic And Sub Antarctic Regions
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Author : Bart Van de Vijver
language : en
Publisher:
Release Date : 2004
The Genus Stauroneis In The Arctic And Sub Antarctic Regions written by Bart Van de Vijver and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004 with Diatoms categories.
The diatom genus Stauroneis comprises far more species than actually known. This detailed morphological and taxonomical study of Stauroneis in samples from both the Arctic and (sub-)Antarctic Regions has resulted in the description of 40 new Stauroneis taxa. The 'catch-all' taxoa Stauroneis phoenicenteron, St. anceps and St. obtusa are thoroughly investigated and a lot of new (related) taxa are split off and described. Five taxa are only described provisionally, two from the Antarctic and two from the Arctic Region. It is possible that they represent also new species but more research on other populations should clarify their status. Two species are described in this book from the Mediterranean Sardinia island and Central Europe respectively because they might be confused with the Arctic and/or (sub-)Antarctic taxa.
The Diatoms
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Author : John P. Smol
language : en
Publisher: Cambridge University Press
Release Date : 2010-09-30
The Diatoms written by John P. Smol and has been published by Cambridge University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010-09-30 with Science categories.
This much revised and expanded edition provides a valuable and detailed summary of the many uses of diatoms in a wide range of applications in the environmental and earth sciences. Particular emphasis is placed on the use of diatoms in analysing ecological problems related to climate change, acidification, eutrophication, and other pollution issues. The chapters are divided into sections for easy reference, with separate sections covering indicators in different aquatic environments. A final section explores diatom use in other fields of study such as forensics, oil and gas exploration, nanotechnology, and archaeology. Sixteen new chapters have been added since the first edition, including introductory chapters on diatom biology and the numerical approaches used by diatomists. The extensive glossary has also been expanded and now includes over 1,000 detailed entries, which will help non-specialists to use the book effectively.
Protist Diversity And Geographical Distribution
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Author : W. Foissner
language : en
Publisher: Springer Science & Business Media
Release Date : 2009-07-24
Protist Diversity And Geographical Distribution written by W. Foissner and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009-07-24 with Science categories.
Conservation and biodiversity of protists The conservation of biodiversity is not just an issue of plants and vertebrates. It is the scarcely visible invertebrates and myriads of other microscopic organisms that are crucial to the maintenance of ecological processes on which all larger organisms and the composition of the atmosphere ultimately depend. Biodiversity and Conservation endeavours to take an holistic view of biodiversity, and when the opportunity arises to issue collections of papers dealing with too-often neglected groups of organisms. The protists, essentially eukaryotes that cannot be classi?ed in the kingdoms of animals, fungi, or plants, include some of the lea- known groups of organisms on earth. They are generally treated as a separate kingdom, commonly named Protista (or Protoctista) in textbooks, but in reality they are a mixture of organisms with disparate a?nities. Some authors have hypothesized that the numbers of protists are not especially large, and that many have extraordinarily wide distributions. However, the p- ture that unfolds from the latest studies discussed in this issue is di?erent. There are many species with wide ranges, and proportionately more cosmopolitan species than in macroorganism groups, as a result of their long evolutionary histories, but there are also de?nite patterns and geographical restrictions to be found. Further, some protists are linked to host organisms as mutualists or parasites and necessarily con?ned to the distributions of their hosts.
Insights Into The World Of Diatoms From Essentials To Applications
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Author : Prateek Srivastava
language : en
Publisher: Springer Nature
Release Date : 2023-03-31
Insights Into The World Of Diatoms From Essentials To Applications written by Prateek Srivastava and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-03-31 with Science categories.
This edited book provides a comprehensive and a reliable source of information on all major areas of diatom research. It addresses research advances in the key areas of diatom biology, morphology, systematics, phylogeny and ecology along with their interdisciplinary applications. Diatoms are the world’s most diverse group of algae populating the freshwater and marine ecosystems of the world. They are unicellular, photosynthetic, eukaryotes having ornate silicified cell walls. Diatoms contribute around 25% of annual global carbon fixation, which is more than all of the terrestrial rainforests combined. Diatoms underpin major aquatic food webs and drive global biogeochemical cycles and have several ecological and interdisciplinary applications. This book targets a wide range of audience including researchers, academicians, teachers and students of varied disciplines such as biology, environmental sciences, ecology, evolution, nanotechnology and other related disciplines. It is useful read for beginners as well as advanced researchers.
Reconstructing The Tree Of Life
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Author : Trevor R. Hodkinson
language : en
Publisher: CRC Press
Release Date : 2006-12-26
Reconstructing The Tree Of Life written by Trevor R. Hodkinson and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006-12-26 with Science categories.
To document the world’s diversity of species and reconstruct the tree of life we need to undertake some simple but mountainous tasks. Most importantly, we need to tackle species rich groups. We need to collect, name, and classify them, and then position them on the tree of life. We need to do this systematically across all groups of organisms and because of the biodiversity crisis we need to do it quickly. With contributions from key systematic and taxonomic researchers, Reconstructing the Tree of Life: Taxonomy and Systematics of Species Rich Taxa outlines the core of the problem and explores strategies that bring us closer to its solution. The editors split the book into three parts: introduction and general concepts, reconstructing and using the tree of life, and taxonomy and systematics of species rich groups (case studies). They introduce, with examples, the concept of species rich groups and discuss their importance in reconstructing the tree of life as well as their conservation and sustainable utilization in general. The book highlights how phylogenetic trees are becoming “supersized” to handle species rich groups and the methods that are being developed to deal with the computational complexity of such trees. It discusses factors that have lead some groups to speciate to a staggering degree and also provides case studies that highlight the problems and prospects of dealing with species rich groups in taxonomy. To understand species rich taxa, evolution has set scientists a difficult, but not unattainable, challenge that requires the meshing together of phylogenetics and taxonomy, considerable advances in informatics, improved and increased collecting, training of taxonomists, and significant financial support. This book provides the tools and methods needed to meet that challenge.
Acta Botanica Hungarica
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Author :
language : en
Publisher:
Release Date : 2006
Acta Botanica Hungarica written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006 with Botany categories.
Algologie
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Author :
language : en
Publisher:
Release Date : 2009
Algologie written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009 with Algae categories.
Trends In Antarctic Terrestrial And Limnetic Ecosystems
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Author : D.M. Bergstrom
language : en
Publisher: Springer Science & Business Media
Release Date : 2007-06-04
Trends In Antarctic Terrestrial And Limnetic Ecosystems written by D.M. Bergstrom and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007-06-04 with Science categories.
The Antarctic provides a suite of scenarios useful for investigating the range of climate change effects on terrestrial and limnetic biota. The purpose of the book is to provide, based on the most up to date knowledge, a synthesis of the likely effects of climate change on Antarctic terrestrial and limnetic ecosystems and, thereby, to contribute to their management and conservation, based on the information.
Occasional Papers Of The California Academy Of Sciences
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Author :
language : en
Publisher:
Release Date : 2009
Occasional Papers Of The California Academy Of Sciences written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009 with Science categories.
Diatoms Of North America
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Author : Claudia Zimmermann
language : en
Publisher: Gantner Publishing
Release Date : 2010
Diatoms Of North America written by Claudia Zimmermann and has been published by Gantner Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010 with Reference categories.