Proceedings Of The Ninth International Polychaete Conference
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Proceedings Of The Ninth International Polychaete Conference
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Author : N. J. Maciolek
language : en
Publisher:
Release Date : 2009
Proceedings Of The Ninth International Polychaete Conference written by N. J. Maciolek and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009 with Polychaeta categories.
Proceedings Of The Ninth International Polychaete Conference
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Author : N. J. Maciolek
language : en
Publisher: Magnolia Press
Release Date : 2009
Proceedings Of The Ninth International Polychaete Conference written by N. J. Maciolek and has been published by Magnolia Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009 with Polychaeta categories.
Annelida Basal Groups And Pleistoannelida Sedentaria I
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Author : Günter Purschke
language : en
Publisher: Walter de Gruyter GmbH & Co KG
Release Date : 2019-03-18
Annelida Basal Groups And Pleistoannelida Sedentaria I written by Günter Purschke and has been published by Walter de Gruyter GmbH & Co KG this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-03-18 with Science categories.
This book is the first in a series of 4 volumes in the Handbook of Zoology series about morphology, anatomy, reproduction, development, ecology, phylogeny and systematics of Annelida. This first volume covers members of the so-called basal radiation and the first part of Sedentaria. It is supplemented by chapters on the history of annelid research, their fossil record, and an introduction to the phylogeny of annelids and their position in the tree of life. In the latter chapter the history of their systematic is reviewed giving an almost complete picture of systematic-scientific progress especially in the past years which changed our view on annelid phylogeny dramatically. The most basal annelids, lately united as Palaeoannelida, represent two families of aberrant polychaetes formerly often suggested to be highly derived which now give us a fresh look on how the ancestral annelid may have looked like. These lack certain key characters such as nuchal organs and possess rather simple nervous systems which now likely represent primitive character states. In this basal radiation the first taxon of apparently unsegmented and achaetigerous animals is positioned, the Sipuncula. Most likely another group of platyhelminth-like and unsegmented and even chaeta-lees annelids, Lobatocerebridae falls into this basal radiation. The section of Sedentaria starts with Orbiniida, a taxon characterized by elongated, thread-like worms which do not have anterior appendages like palps and comprises several families representing members of the Meiofauna. These minute worms often inhabiting the interstitial spaces in marine sands are suggested to have evolved by progenesis. The second higher taxon is represented by Cirratuliformia comprising nine families of typical sedentary polychaetes each of which showing a remarkable variation of the annelid body plan. Members of this taxon usually exhibit many annelid characters but certain also lack the most typical prostomial appendages, the palps.
Annelids In Modern Biology
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Author : Daniel H. Shain
language : en
Publisher: John Wiley & Sons
Release Date : 2009-04-22
Annelids In Modern Biology written by Daniel H. Shain and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009-04-22 with Science categories.
Annelids offer a diversity of experimentally accessible features making them a rich experimental subject across the biological sciences, including evolutionary development, neurosciences and stem cell research. This volume introduces the Annelids and their utility in evolutionary developmental biology, neurobiology, and environmental/ecological studies, including extreme environments. The book demonstrates the variety of fields in which Annelids are already proving to be a useful experimental system. Describing the utility of Annelids as a research model, this book is an invaluable resource for all researchers in the field.
Fish Physiology Hypoxia
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Author : Jeffrey G. Richards
language : en
Publisher: Academic Press
Release Date : 2009-03-10
Fish Physiology Hypoxia written by Jeffrey G. Richards and has been published by Academic Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009-03-10 with Technology & Engineering categories.
Periods of environmental hypoxia (Low Oxygen Availability) are extremely common in aquatic systems due to both natural causes such as diurnal oscillations in algal respiration, seasonal flooding, stratification, under ice cover in lakes, and isolation of densely vegetated water bodies, as well as more recent anthropogenic causes (e.g. eutrophication). In view of this, it is perhaps not surprising that among all vertebrates, fish boast the largest number of hypoxia tolerant species; hypoxia has clearly played an important role in shaping the evolution of many unique adaptive strategies. These unique adaptive strategies either allow fish to maintain function at low oxygen levels, thus extending hypoxia tolerance limits, or permit them to defend against the metabolic consequences of oxygen levels that fall below a threshold where metabolic functions cannot be maintained. The aim of this volume is two-fold. First, this book will review and synthesize the adaptive behavioural, morphological, physiological, biochemical, and molecular strategies used by fish to survive hypoxia exposure and place them within an environmental and ecological context. Second, through the development of a synthesis chapter this book will serve as the cornerstone for directing future research into the effects of hypoxia exposures on fish physiology and biochemistry. The only single volume available to provide an in-depth discussion of the adaptations and responses of fish to environmental hypoxia Reviews and synthesizes the adaptive behavioural, morphological, physiological, biochemical, and molecular strategies used by fish to survive hypoxia exposure Includes discussion of the evolutionary and ecological consequences of hypoxia exposure in fish
Annelida
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Author : Greg Rouse
language : en
Publisher: Oxford University Press
Release Date : 2022-01-14
Annelida written by Greg Rouse and has been published by Oxford University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-01-14 with Science categories.
Annelids (the segmented worms) exist in a remarkably diverse range of mostly marine but also freshwater and terrestrial habitats, varying greatly in size and form. Annelida provides a fully updated and expanded taxonomic reference work which broadens the scope of the classic Polychaetes (OUP, 2001) to encompass wider groups including Clitellata (comprising more than a third of total annelid diversity), Sipuncula, and Thalassematidae (formerly Echiura). It reflects the enormous amount of research on these organisms that has burgeoned since the millennium, principally due to their use as model organisms to address wider and more general evolutionary and ecological questions. Beginning with a clear introduction to the phylum and an outline of annelid taxonomy, this authoritative text describes their collection, the methods to ensure their optimal preservation, and an overview of anatomy with its relevant terminology. The core of the work comprises 77 fully up-to-date taxonomic chapters, informed by anatomy and the latest molecular phylogenomic evidence and carefully organised based on a new, robust phylogenetic hypothesis. Lavishly illustrated throughout with hundreds of previously unpublished high-resolution colour images and SEM micrographs, the sheer beauty and diversity of the annelids is nowhere better presented. Annelida is the definitive reference work for annelid biologists, whilst being of interest to a broader audience of invertebrate zoologists, systematists, and organismal biologists.
Xin Jie Liu Centenary
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Author : Zhi-Qiang Zhang
language : en
Publisher: Magnolia Press
Release Date : 2010
Xin Jie Liu Centenary written by Zhi-Qiang Zhang and has been published by Magnolia Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010 with Acarology categories.
Geology And Geophysics Program Summary For Fy
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Author :
language : en
Publisher:
Release Date : 1998
Geology And Geophysics Program Summary For Fy written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1998 with Geology categories.
Fish Physiology
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Author : Jeffrey G. Richards
language : en
Publisher:
Release Date : 1969
Fish Physiology written by Jeffrey G. Richards and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1969 with Anoxic zones categories.
Advances In Polychaete Research
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Author : Elin Sigvaldadottir
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-06-29
Advances In Polychaete Research written by Elin Sigvaldadottir 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 2013-06-29 with Science categories.
In July 2001 experts from all around the world met in Reykjavik, Iceland to discuss various issues of polychaete biology. In particular the latest developments in cladistic inference of polychaete phylogeny were presented. Some studies applied recent molecular techniques, revealing unknown genetic relationships between the different families of polychaetous annelids. This volume is of interest to specialists and students seeking an introduction to the latest developments in the field of systematics and ecology of polychaetous annelids. This book is one in a series presenting results from the International Polychaete conferences.