Dynamics Of Nutrient Cycling And Food Webs
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Dynamics Of Nutrient Cycling And Food Webs
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Author : Donald L. DeAngelis
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Dynamics Of Nutrient Cycling And Food Webs written by Donald L. DeAngelis 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 all fields of science today, data are collected and theories are developed and published faster than scientists can keep up with, let alone thoroughly digest. In ecology the fact that practitioners tend to be divided between such subdisciplines as aquatic and terrestrial ecology, as well as between popula tion, community, and ecosystem ecology, makes it even harder for them to keep up with all relevant research. Ecologists specializing in one sub discipline are not always aware of progress in another subdiscipline that relates to their own. Syntheses are frequently needed that pull together large bodies of information and organize them in ways that makes them more coherent, and thus more understandable. I have tried to perform this task of integration for the subject area that encompasses the interrelationships between the dynamics of ecological food webs and the cycling of nutrients. I believe this area cuts across many of the subdisciplines of ecology and is pivotal to our progress in understanding ecosystems and in dealing with human impacts on the environment. Many current ecological problems involve human disturbances of both food webs and the nutrients that cycle through them. Little progress can be made towards elucidating the complex feedback relations inherent in the study of nutrient cycles in ecological systems without the tools of mathematics and computer modelling. These tools are therefore liberally used throughout the book.
Dynamics Of Nutrient Cycling And Food Webs
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Author : Donald L Deangelis
language : en
Publisher:
Release Date : 1991-10-31
Dynamics Of Nutrient Cycling And Food Webs written by Donald L Deangelis and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1991-10-31 with categories.
Food Webs
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Author : Gary A. Polis
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-04-17
Food Webs written by Gary A. Polis 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 2013-04-17 with Science categories.
Reflecting the recent surge of activity in food web research fueled by new empirical data, this authoritative volume successfully spans and integrates the areas of theory, basic empirical research, applications, and resource problems. Written by recognized leaders from various branches of ecological research, this work provides an in-depth treatment of the most recent advances in the field and examines the complexity and variability of food webs through reviews, new research, and syntheses of the major issues in food web research. Food Webs features material on the role of nutrients, detritus and microbes in food webs, indirect effects in food webs, the interaction of productivity and consumption, linking cause and effect in food webs, temporal and spatial scales of food web dynamics, applications of food webs to pest management, fisheries, and ecosystem stress. Three comprehensive chapters synthesize important information on the role of indirect effects, productivity and consumer regulation, and temporal, spatial and life history influences on food webs. In addition, numerous tables, figures, and mathematical equations found nowhere else in related literature are presented in this outstanding work. Food Webs offers researchers and graduate students in various branches of ecology an extensive examination of the subject. Ecologists interested in food webs or community ecology will also find this book an invaluable tool for understanding the current state of knowledge of food web research.
Ecological Biochemistry
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Author : Gerd-Joachim Krauss
language : en
Publisher: John Wiley & Sons
Release Date : 2015-01-12
Ecological Biochemistry written by Gerd-Joachim Krauss 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 2015-01-12 with Science categories.
The first stand-alone textbook for at least ten years on this increasingly hot topic in times of global climate change and sustainability in ecosystems. Ecological biochemistry refers to the interaction of organisms with their abiotic environment and other organisms by chemical means. Biotic and abiotic factors determine the biochemical flexibility of organisms, which otherwise easily adapt to environmental changes by altering their metabolism. Sessile plants, in particular, have evolved intricate biochemical response mechanisms to fit into a changing environment. This book covers the chemistry behind these interactions, bottom up from the atomic to the system's level. An introductory part explains the physico-chemical basis and biochemical roots of living cells, leading to secondary metabolites as crucial bridges between organisms and the respective ecosystem. The focus then shifts to the biochemical interactions of plants, fungi and bacteria within terrestrial and aquatic ecosystems with the aim of linking biochemical insights to ecological research, also in human-influenced habitats. A section is devoted to methodology, which allows network-based analyses of molecular processes underlying systems phenomena. A companion website offering an extended version of the introductory chapter on Basic Biochemical Roots is available at http://www.wiley.com/go/Krauss/Nies/EcologicalBiochemistry
Eutrophication In Planktonic Ecosystems Food Web Dynamics And Elemental Cycling
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Author : T. Tamminen
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-11-11
Eutrophication In Planktonic Ecosystems Food Web Dynamics And Elemental Cycling written by T. Tamminen 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 2013-11-11 with Science categories.
The PELAG 1996 Symposium Proceedings provides the reader with the latest advances in the study of planktonic cycling of matter and energy, placing a strong emphasis on the effects of eutrophication on these processes. This book covers a wide range of topics in the field, including: Nutrient limitation of phytoplankton growth Nutrient cycles in the planktonic food web DOM sources, composition, and uptake Resource limitation vs. shaping of the food web by grazing Spatio-temporal variability: coupling of physical and biological processes Processes controlling sinking losses from the pelagic system Planktonic food web modelling . The book should be of interest to everybody involved in planktonic ecosystem research, from the advanced student to the distinguished scientist. This volume brings to the reader the expertise of internationally renowned authors on the main issues of today's ecological plankton research.
Dependencies Of Food Web And Nutrient Cycling Dynamics On Dissolved Organic Matter Dom And Inorganic Nutrient Concentrations In Lake Enclosures
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Author : Erinn Honor Radomske
language : en
Publisher:
Release Date : 2004
Dependencies Of Food Web And Nutrient Cycling Dynamics On Dissolved Organic Matter Dom And Inorganic Nutrient Concentrations In Lake Enclosures written by Erinn Honor Radomske and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004 with Lake ecology categories.
"An autotrophic-allotrophic gradient was established in 12 lake enclosures across a natural DOM concentration gradient. Phytoplankton were co-regulated by solar irradiance and inorganic nutrient concentrations, whereas bacterioplankton were strongly dependent on DOM in the reference enclosures. Nutrient scavenging in the reference enclosures was limited by efficient biotic incorporation and recycling, across the full DOM gradient. Nutrient enrichment stimulated a strong autotrophic response across the autotrophic-allotrophic gradient due to increased phytoplankton productivity. Bacterioplankton productivity was still strongly dependent on DOM, but bacterioplankton productivity also increased either as a direct or indirect result of nutrient enrichment. Carbon, nitrogen, and phosphorus were effectively scavenged from the water column by incorporation into biomass at high rates and then deposited in the sediments in the nutrient enriched enclosures, producing nutrient-rich sediments. The data further suggest that at DOM concentrations greater than 14 mg L -1, allotrophy would dominate regardless of inorganic nutrient enrichment."--Page ii.
Antarctic Nutrient Cycles And Food Webs
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Author : W.R. Siegfried
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-06-29
Antarctic Nutrient Cycles And Food Webs written by W.R. Siegfried 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.
It is a pleasure and a distinct honour for me to greet the participants, guests and ob servers of this Fourth International Symposium on Antarctic Biology which has adopted nutrient cycles and food webs as its central theme. On behalf of the Scientific Committee on Antarctic Research (SCAR) and other bodies of the International Council of Scientific Unions (ICSU), I bid you welcome. SCAR is pleased to acknowledge the role of the co-sponsors for this Symposium which include the Scientific Committee on Oceanic Research (SCOR), the Interna tional Association of Biological Oceanography (IABO), and the International Union of Biological Sciences (IUBS). In addition, SCAR and its co-sponsors wish to acknowledge the financial support of the Council for Scientific and Industrial Re search (CSIR) and the Department of Transport (DOT) of the South African govern ment. Nor should we forget to acknowledge also the role of the South African Scientific Committee on Antarctic Research (SASCAR) and one of its leaders and Vice President of SCAR, Mr. Jan de Wit, in arranging this charming venue for this Symposium.
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.
Dynamic Food Webs
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Author : Peter C de Ruiter
language : en
Publisher: Elsevier
Release Date : 2005-12-20
Dynamic Food Webs written by Peter C de Ruiter and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005-12-20 with Science categories.
Dynamic Food Webs challenges us to rethink what factors may determine ecological and evolutionary pathways of food web development. It touches upon the intriguing idea that trophic interactions drive patterns and dynamics at different levels of biological organization: dynamics in species composition, dynamics in population life-history parameters and abundances, and dynamics in individual growth, size and behavior. These dynamics are shown to be strongly interrelated governing food web structure and stability and the role of populations and communities play in ecosystem functioning. Dynamic Food Webs not only offers over 100 illustrations, but also contains 8 riveting sections devoted to an understanding of how to manage the effects of environmental change, the protection of biological diversity and the sustainable use of natural resources. Dynamic Food Webs is a volume in the Theoretical Ecology series. Relates dynamics on different levels of biological organization: individuals, populations, and communities Deals with empirical and theoretical approaches Discusses the role of community food webs in ecosystem functioning Proposes methods to assess the effects of environmental change on the structure of biological communities and ecosystem functioning Offers an analyses of the relationship between complexity and stability in food webs
Antarctic Nutrient Cycles And Food Webs
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Author : W. R. Siegfried
language : en
Publisher: Springer
Release Date : 1985
Antarctic Nutrient Cycles And Food Webs written by W. R. Siegfried and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 1985 with Nature categories.
Compilation of 92 of the 107 papers that were accepted for presentation at the Fourth SCAR Symposium on Antarctic Biology, held at Wilderness, South Africa, 12-16 September 1983. Papers cover nutrient cycling in terrestrial, marine and freshwater ecosystems in the Antarctic and Sub-Antarctic regions. Organized under five main sections: marine nutrient cycles; Terrestrial and freshwater nutrient cycles; Marine food webs; Terrestrial food webs; Interactions between marine, freshwater, and terrestrial systems.