Species diversity and extinction / Geraldine H. Tepper, editor.

Contributor(s):

Tepper, Geraldine H

Material type: Text

TextSeries: Environmental science, engineering and technology seriesPublisher: New York : Nova Science Publishers, Inc., [2010]Description: 1 online resourceContent type:

text

Media type:

computer

Carrier type:

online resource

ISBN:

9781616683436
1616683430
1616684062
9781616684068

Subject(s): Genre/Form:

Additional physical formats: Print version:: Species diversity and extinctionDDC classification:

577 23

LOC classification:

QH541.15.S64

Online resources:

Click here to access online

Contents:

""Library of Congress Cataloging-in-Publication Data""; ""Contents""; ""Preface""; ""Mexican Threatened Cacti: Current Status and Strategies for Their Conservation""; ""Abstract""; ""Introduction""; ""Cacti Taxonomy""; ""Cacti Distinctiveness""; ""Traditional Uses of Cacti""; ""Pharmacological and Biological Properties of Cacti""; ""Cacti Origin and Distribution""; ""Current Status of Mexican Cacti""; ""Propagation and Conservation by Conventional Methods""; ""Legal framework""; ""In situ conservation""; ""Ex situ conservation""; ""Cacti propagation""

""Biotechnological Approaches for Cacti Propagation and Conservation""""Stage I. Axenic culture establishment""; ""Stage II. Propagule multiplication""; ""(a) Propagation from meristems""; ""(b) Organogenesis""; ""(c) Somatic embryogenesis""; ""Stage III. Shoot growth and rooting""; ""Stage IV. Plant hardening""; ""Secondary Metabolite Production by in Vitro Cacti Cultures""; ""Conclusion""; ""References""; ""Extinction of Cytheroidean Ostracodes (Crustacea) in Shallow-Water around Japan in Relation to Environmental Fluctuations since the Early Pleistocene""; ""Abstract""; ""1. Introduction""

""2. General Features of Ostracodes: Taxonomy, Ecology and Morphology""""3: Extinction and Survival of Shallow-Water Species in Japan Sea""; ""3.A. Modern Distribution of Four Assemblages""; ""3.B. Case of Cryophilic Species of Three Families""; ""3.B.1. Habitat conditions of living species""; ""3.B.2. Paleoecology of now-extinct (â€?Nexâ€?) species""; ""3.B.3. Faunal history of â€?Nexâ€? species during pleistocene""; ""3.B.4. Reasons for survival of modern species""; ""3.C. Case of an Extinct Species of Loxoconcha""; ""3.D. Case of an Extinct Species of Aurila""

""4. Disappearance and Extinction of Inner-Bay Species""""4.A. Pacific Coast""; ""4.B. Japan Sea""; ""5. Possibility of Species Disappearance and Extinction around Japan Near Future""; ""6. Summary and Future Work""; ""7. Conclusion""; ""Acknowledgments""; ""References""; ""New Frontiers in Genome Resource Banking""; ""Abstract""; ""Introduction""; ""Sperm Preservation""; ""Semen Collection and Evaluation""; ""Sperm Cryopreservation""; ""Oocytes Aspiration and Vitrification""; ""Following Is the Protocol That We Use for Oocytes Vitrification""; ""Whole Ovary Freezing""

""Freeze Drying Technique""""References""; ""References""; ""References""; ""The Diversity of Cypriniforms throughout Bangladesh: Present Status and Conservation Challenges""; ""Abstract""; ""1. Introduction""; ""2. The Key Waterbodies and the Status""; ""2.1. The Floodplain""; ""2.2. The Rivers""; ""2.3. The Beels""; ""2.3.1. Chalan beel""; ""2.4. The Haors""; ""2.5. The Baors""; ""2.6. The Ponds and Ditches""; ""2.7. The Kaptai Lake""; ""3. Aquatic Fauna of Bangladesh""; ""4. The Cyprinifom Fishes""; ""4.1. Family Psilorhynchidae""; ""4.2. Family Balitoridae""; ""4.3. Family Cobitidae""

Summary: Species diversity is an index that incorporates the number of species in an area and also their relative abundance. Since species diversity is central to a large amount of ecological theory, its accurate measurement is key to understanding community structure and dynamics. Consequently, during the course of evolution, species have always gone extinct; however, the rate of extinction has increased in recent decades by as much as one hundred fold, some owing to environmental impact, mainly due to human activities. The authors of this book present and review important data on biodiversity and species extinction

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Electronic-Books	OPJGU Sonepat- Campus	E-Books EBSCO			Available

Includes bibliographical references and index.

Description based on print version record and CIP data provided by publisher.

English.

Species diversity is an index that incorporates the number of species in an area and also their relative abundance. Since species diversity is central to a large amount of ecological theory, its accurate measurement is key to understanding community structure and dynamics. Consequently, during the course of evolution, species have always gone extinct; however, the rate of extinction has increased in recent decades by as much as one hundred fold, some owing to environmental impact, mainly due to human activities. The authors of this book present and review important data on biodiversity and species extinction

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