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A Review : Phosphorus-Plan Kton Dynamics and Phosphorus Cycling in Aquatic Systems

By Tarapchak, Stephen J.

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Book Id: WPLBN0000661717
Format Type: PDF eBook
File Size: 681.90 KB.
Reproduction Date: 2005

Title: A Review : Phosphorus-Plan Kton Dynamics and Phosphorus Cycling in Aquatic Systems  
Author: Tarapchak, Stephen J.
Volume:
Language: English
Subject: Science., Ecology & environment, National Oceanic and Atmospheric Administration (U.S.)
Collections: National Oceanographic Data Center
Historic
Publication Date:
Publisher: Government Reference Publication

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Tarapchak, S. J. (n.d.). A Review : Phosphorus-Plan Kton Dynamics and Phosphorus Cycling in Aquatic Systems. Retrieved from http://www.hawaiilibrary.com/


Excerpt
Excerpt: A REVIEW, PHOSPHORUS-PLANKTON DYNAMICS AND PHOSPHORUS CYCLING IN AQUATIC SYSTEMS. Phosphorus (P)-plankton dynamics is a scientifically challenging, continuously evolving discipline. Research historically has focused on the role of P as a limiting factor in primary and secondary production. Extensive efforts have been made to understand the eutrophication process, model P-limited phytoplankton growth, predict the outcome of species competition, and understand the regenerative mechanisms that resupply orthophosphate (Pi) to algae. In the Great Lakes, research on P has focused primarily on water-quality monitoring programs and the use of P budget models to predict future changes in tropic state. However, to model production dynamics accurately in the Great Lakes system, additional studies on P cycling are required. This report briefly traces the development of scientific investigation into cultural eutrophication, identifies major research themes and problems in Plankton dynamics and in aquatic P cycling, and summarizes basic and applied research on eutrophication and P cycling in the Great Lakes.

Table of Contents
CONTENTS PAGE PREFACE. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . iii ABSTRACT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1. INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1.1 Cultural Eutrophication .................................... 1 1.2 Phosphorus-Plankton Dynamics ............................... 2 2. PHOSPHORUS CYCLING................................................ 3 2.1 Modeling the P Cycle ....................................... 2.2 Problems in Modeling the P Cycle ........................... 2.2.1 Orthophosphate Uptake By Phytoplankton .............. 2.2.2 Bacterial P Sources ................................. 2.2.3 Zooplankton P Recycle ............................... 2.2.4 Dissolved Organic Phosphorus ........................ 2.2.5 Alkaline Phosphatase ................................ 2.2.6 Detritus ............................................ 3. THE DETERIORATED GREAT LAKES RESOURCE............................. 7 3.1. Great Lakes Research Focus ................................ 8 3.2. Great Lakes Research Needs ................................ 10 4. ACKNOWLEDGMENTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 5. REFERENCES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

 

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