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Lake Veluwe, a Macrophyte-dominated System under Eutrophication Stress : GEOBOTANY - Wim Van Vierssen

Lake Veluwe, a Macrophyte-dominated System under Eutrophication Stress

GEOBOTANY

By: Wim Van Vierssen (Editor)

Hardcover Published: 31st March 1994
ISBN: 9780792323204
Number Of Pages: 376

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The structure and functioning of eutrophicated aquatic ecosystems has received considerable attention from limnologists as well as water managers in recent years. Stress has often been on pelagic food webs of deeper lakes whilst littoral systems or shallower lakes have been less thoroughly investigated. Since Dutch aquatic systems are shallow, as a rule, they form a notable exception. But here, too, the orientation was often on pelagic food webs.
The present study has a clearly different scope in that it takes the water plant as prime perspective. The editors consider water plants to be the key component in shallow aquatic ecosystems. They have compiled work on one water plant species, Potamogeton pectinatus L., and from one lake, Lake Veluwe, as a typical case, and set out to explain the fluctuations in abundance of this water plant as influenced by eutrophication. A working hypothesis on the mechanism responsible for water plant decline during eutrophication was adopted and tested in a combination of field and laboratory work. A simulation model, SAGAI, for the water plant P.pectinatus was developed and proved to fit independent data very well.
The work started out as a joint effort of a single project team in the Department of Nature Conservation of Wageningen Agricultural University, but the present volume has benefited considerably from the inputs of several invited colleagues, as the list of contributors witnesses. The editors have made an invaluable contribution to the understanding of shallow aquatic ecosystems and to their scientifically based and sustainable management.

Preface
Introduction: the scope of the research projectp. 1
The Zuiderzee: transformation of a brackishwater ecosystemp. 5
Twenty years of dynamics and distribution of Potamogeton pectinatus L. in Lake Veluwep. 20
Intraspecific variation in Potamogeton pectinatus L. : a controlled laboratory experimentp. 26
Growth of Potamogeton pectinatus L. in a temperature-light gradientp. 40
Light-response curves of Potamogeton pectinatus L. as a function of plant age and irradiance level during growthp. 62
Photoperiodic effects on photosynthesis and tuber production in Potamogeton pectinatus L.p. 118
Early growth characteristics of Potamogeton pectinatus L.: significance of the tuberp. 135
Seasonal dynamics of a field population of Potamogeton pectinatus L. under various experimental light conditionsp. 144
Factors contributing to light attenuation in Lake Veluwep. 158
Allelopathic limitation of algal growth by macrophytesp. 175
Periphyton dynamics in a temperature-light gradientp. 193
Periphyton removal by freshwater micrograzersp. 213
A growth analysis model for Potamogeton pectinatus L.p. 250
Interactions between aquatic macrophytes and fish in Lake Veluwe, direct and indirect effectsp. 287
General conclusions and implications for lake managementp. 296
Appendices 1-4p. 309
List of contributorsp. 371
Indexp. 373
Table of Contents provided by Blackwell. All Rights Reserved.

ISBN: 9780792323204
ISBN-10: 0792323203
Series: GEOBOTANY
Audience: Professional
Format: Hardcover
Language: English
Number Of Pages: 376
Published: 31st March 1994
Publisher: Springer
Country of Publication: NL
Dimensions (cm): 27.31 x 20.96  x 2.54
Weight (kg): 1.09