The Trophic Cascade in Lakes (original) (raw)

Fluctuations in fish populations in lakes can cascade through food webs to alter nutrient cycling, algal biomass and primary production. Trophic cascades may interact with nutrients and physical factors to explain most of the variance in lake ecosystem process rates. In this 1993 book, a multidisciplinary research team tests this idea by manipulating whole lakes experimentally, and coordinating this with palaeolimnological studies, simulation modelling, and small-scale enclosure experiments. Consequences of predator-prey interactions, behavioural responses of fishes, diel vertical migration of zooplankton, plankton community change, primary production, nutrient cycling and microbial processes are described. Palaeolimnological techniques enable the reconstruction of trophic interactions from past decades. Prospects for analysing the interaction of food web structure and nutrient input in lakes are explored.

"I found the book to be clearly written, and appropriate for its target audience, researchers in ecology and resource management...The breadth of approaches brought to bear in the study is extremely impressive...I recommend this book as a fine case history of a pluralistic approach to an important ecological issue." Tim Wootton, Ecology

"State-of-the-art theory and methods in a variety of ecological and aquatic disciplines are brought together and integrated. Many ecologists will be intrigued by the statistical approaches applied throughout the book...resource managers will find important and useful lessons about ecosystem management in practice." Brett Johnson, Fisheries Review

"This book is of interest to workers in ecology, aquatic ecology, resource management, and limnology." Environment International

Contents

Contents

Select Frontmatter

Select Contents

Select Contributors

Select Preface

Select 1 - Cascading trophic interactions

Select 2 - Experimental lakes, manipulations and measurements

Select 3 - Statistical analysis of the ecosystem experiments

Select 4 - The fish populations

Select 5 - Fish behavioral and community responses to manipulation

Select 6 - Roles of fish predation: piscivory and planktivory

Select 7 - Dynamics of the phantom midge: implications for zooplankton

Select 8 - Zooplankton community dynamics

Select 9 - Effects of predators and food supply on diel vertical migration of Daphnia

Select 10 - Zooplankton biomass and body size

Select 11 - Phytoplankton community dynamics

Select 12 - Metalimnetic phytoplankton dynamics

Select 13 - Primary production and its interactions with nutrients and light transmission

Select 14 - Heterotrophic microbial processes

Select 15 - Annual fossil records of food-web manipulation

Select 16 - Simulation models of the trophic cascade: predictions and evaluations

Select 17 - Synthesis and new directions

Select References

Select Index

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