Pelagic Nutrient Cycles: Herbivores as Sources and Sinks

Author:   Tom Andersen
Publisher:   Springer-Verlag Berlin and Heidelberg GmbH & Co. KG
Edition:   Softcover reprint of the original 1st ed. 1997
Volume:   129
ISBN:  

9783642082795


Pages:   284
Publication Date:   09 October 2011
Format:   Paperback
Availability:   Out of stock   Availability explained
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Pelagic Nutrient Cycles: Herbivores as Sources and Sinks


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Overview

"While ecology is one of the scientific disiplines that most clearly belongs to ''basic research"", it also strives to serve as a predictive tool for management. Outstanding examples of predictive ecology are Vollenweider's models on the relationship between phosphorus load and water renewal time of lakes, and the resulting algal biomass. The needed few and easily accessible input parameters to very simple models provided a direct link from basic ecology to management, and today these models are key tools for managers worldwide to control lake eutrophication and algal blooms. The baseline of this success is the general relation between phosphorus concentration and phytoplankton biomass that is observed for most lakes. While these relationships are most frequently presented in log-log diagrams, the aquatic ecologist who replots these a linear scale may ask himself why, in spite of the overall correlation, there is still such a variability. It is possible to predict levels of algal biomass that may be synthesized at a given phosphorus load. Some lakes apparently offer optimal conditions for their phytoplankton communities, while others may support less than half the biomass at the same phosphorus load. There are limits to growth, however, and the predic­ tive outcome of phosphorus load decreases as the load increases. This holds in particular for the higher trophic levels like zooplankton and fish. With increased enrichment there are signs of decreased efficiency of energy trans­ fer between foodweb compartments."

Full Product Details

Author:   Tom Andersen
Publisher:   Springer-Verlag Berlin and Heidelberg GmbH & Co. KG
Imprint:   Springer-Verlag Berlin and Heidelberg GmbH & Co. K
Edition:   Softcover reprint of the original 1st ed. 1997
Volume:   129
Dimensions:   Width: 15.50cm , Height: 1.50cm , Length: 23.50cm
Weight:   0.462kg
ISBN:  

9783642082795


ISBN 10:   3642082793
Pages:   284
Publication Date:   09 October 2011
Audience:   Professional and scholarly ,  Professional and scholarly ,  Professional & Vocational ,  Postgraduate, Research & Scholarly
Format:   Paperback
Publisher's Status:   Active
Availability:   Out of stock   Availability explained
The supplier is temporarily out of stock of this item. It will be ordered for you on backorder and shipped when it becomes available.

Table of Contents

1 The Eutrophication Problem in Temperate Lakes: Practical Aspects and Theoretical Ramifications.- 2 The Biogeochemical Theatre — Phosphorus Cycling and Phosphorus Household in Lakes.- 3 Algae and Nutrients: Uptake and Utilization of Limiting Nutrients in Generalized Phytoplankton Species.- 4 Herbivores and Algae: Food Utilization, Growth and Reproduction in Generalist Filter Feeders.- 5 Nutrients, Algae and Herbivores — the Paradox of Enrichment Revisited.- 6 Approaching Planktonic Food Webs: Competition, Coexistence, and Chaos.- 7 Grazers as Sources and Sinks for Nutrients: Conclusions, Limitations, and Speculations.- 8 References.- A Appendices.

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