Size Selective Planktivory And Phosphorus Cycling In Pelagic Systems
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Size Selective Planktivory And Phosphorus Cycling In Pelagic Systems
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Author : Steven Michael Bartell
language : en
Publisher:
Release Date : 1978
Size Selective Planktivory And Phosphorus Cycling In Pelagic Systems written by Steven Michael Bartell and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1978 with Freshwater ecology categories.
Ecological Risk Assessment Second Edition
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Author : Glenn W. Suter II
language : en
Publisher: CRC Press
Release Date : 2016-04-19
Ecological Risk Assessment Second Edition written by Glenn W. Suter II and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-04-19 with Technology & Engineering categories.
The definitive reference in its field, Ecological Risk Assessment, Second Edition details the latest advances in science and practice. In the fourteen years since the publication of the best-selling first edition, ecological risk assessment (ERA) has moved from the margins into the spotlight. It is now commonly applied to the regulation of chemicals, the remediation of contaminated sites, the monitoring of importation of exotic organisms, the management of watersheds, and other environmental management issues. Delineating the processes for performing an ERA, the book begins by defining the field, then goes on to describe its relationship to other environmental assessment practices and its organizational framework. The book also includes a chapter on ecological epidemiology, which has previously been treated as a type of ERA, but is now recognized as a distinct practice in itself. It explores important concepts in the ERA process including probability, uncertainty, scale, mode of action and multiple causes. Reflecting changes in the field, the book’s scope has been broadened to include discussions of the application of ERA to agents other than chemical contaminants. The multitude of illustrative figures provides a flavor for the diverse practice of ERA. The author has re-organized the material, presenting a unitary process of ERA that is applicable to various problems, scales, and mandates. He keeps the emphasis squarely on providing clear, scientifically sound, and unbiased technical advice on the risks from chemicals and chemical mixtures.
Complex Interactions In Lake Communities
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Author : Stephen R. Carpenter
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Complex Interactions In Lake Communities written by Stephen R. Carpenter 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 2012-12-06 with Science categories.
In its statutory authority (National Science Foundation Act of 1950, as amended), the NSF is directed to both initiate and support basic scientific research. In its Ecology Program, one mode of initiating research is to en courage the development of new ideas through advisory workshops. The NSF is specifically directed to strengthen our nation's research potential. In addition, stimulating new approaches to research will continue to be prominent in the coming years as federal attention is given to increasing the innovativeness and competitiveness of the U. S. in science and engineering. A decision to initiate a workshop does not arise de novo in the Ecology Program. Rather, it emerges from panel discussions, conversations with in vestigators at meetings or on the phone, and from discussions between pro gram officers in the Division of Biotic Systems and Resources. This workshop was developed to provide advice to the NSF and the lim nological community. Some NSF perceptions on future funding for ecolog ical research on lake communities are presented here. Researchers often mentioned a paucity of innovative lake ecology at the community level. This perception was accompanied by a certain frustration since lakes probably have the best empirical data base of any natural environment and should continue to lead in the development of ecological concepts. Members of NSF advisory panels sometimes expressed similar concerns during consid eration of proposals for lake research.
Selected Water Resources Abstracts
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Author :
language : en
Publisher:
Release Date : 1991
Selected Water Resources Abstracts written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1991 with Hydrology categories.
Selected Water Resources Abstracts
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Author :
language : en
Publisher:
Release Date : 1991
Selected Water Resources Abstracts written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1991 with Water categories.
Estimation Of Phosphorus Cycling By Fish Using A Bioenergetics Modeling Approach
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Author : Clifford Kraft
language : en
Publisher:
Release Date : 1991
Estimation Of Phosphorus Cycling By Fish Using A Bioenergetics Modeling Approach written by Clifford Kraft and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1991 with categories.
Special Report Of The Great Lakes Research Division University Of Michigan
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Author : University of Michigan. Great Lakes Research Division
language : en
Publisher:
Release Date : 1980
Special Report Of The Great Lakes Research Division University Of Michigan written by University of Michigan. Great Lakes Research Division and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1980 with Ecology categories.
Dissertation Abstracts International
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Author :
language : en
Publisher:
Release Date : 2000
Dissertation Abstracts International written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000 with Dissertations, Academic categories.
Pelagic Nutrient Cycles
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Author : Tom Andersen
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-06-29
Pelagic Nutrient Cycles written by Tom Andersen 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.
An analysis of the interactions between pelagic food web processes and element cycling in lakes. While some findings are examined in terms of classical concepts from the ecological theory of predator-prey systems, special emphasis is placed on exploring how stoichiometric relationships between primary producers and herbivores influence the stability and persistence of planktonic food webs. The author develops simple dynamic models of the cycling of mineral nutrients through plankton algae and grazers, and then goes on to explore them both analytically and numerically. The results thus obtained are of great interest to both theoretical and experimental ecologists. Moreover, the models themselves are of immense practical use in the area of lake management.
Synthesis Report On The Efficacy And Potential Consequences Of Macrophyte Harvesting In Lake Wingra
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Author :
language : en
Publisher:
Release Date : 1978
Synthesis Report On The Efficacy And Potential Consequences Of Macrophyte Harvesting In Lake Wingra written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1978 with Aquatic plants categories.