Seagrass Ecology

Author： Marten A. Hemminga; Carlos M. Duarte  

Publisher： Cambridge University Press‎

Publication year： 2000

E-ISBN: 9780511836657

P-ISBN(Paperback): 9780521661843

Subject： Q178.53 marine organisms

Keyword： 生态学（生物生态学）,普通生物学

Language： ENG

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Seagrass Ecology

Description

Seagrasses occur in coastal zones throughout the world, in the part of the marine habitat that is most heavily influenced by humans. Decisions about coastal management therefore often involve seagrasses, but despite a growing awareness of the importance of these plants, a full appreciation of their role in coastal ecosystems has yet to be reached. This book provides an entry point for those wishing to learn about their ecology, and gives a broad overview of the state of knowledge, including progress in research and research foci, complemented by extensive literature references to guide the reader to more detailed studies. It will be valuable to students of marine biology wishing to specialize in this area and also to established researchers wanting to enter the field. In addition, it will provide an excellent reference for those involved in the management and conservation of coastal areas that harbour seagrasses.

Chapter

Cover

Title

Copyright

Contents

Preface

1 Taxonomy and distribution

1.1 Introduction

1.2 The seagrass flora

1.3 The origin and evolution of seagrasses

1.4 Seagrass biogeography and distribution of seagrass floras

1.5 Diversity of seagrass meadow

1.6 The habitat requirements of seagrasses

1.7 Seagrass abundance and productivity in the global context

1.8 Concluding remarks

1.9 References

2 Seagrass architectural features

2.1 Introduction

2.2 Seagrass modules: rhizomes, leaves, roots, flowers, fruits 28

2.3 Allometric scaling of seagrass form and clonal structure

2.4 Seagrass meristems

2.5 Clonal growth and branching rate: space occupation

2.6 Adaptive value of seagrass architecture and clonal growth

2.7 Concluding remarks

2.8 References

3 Population and community dynamics

3.1 Introduction

3.2 Interpreting seagrass growth history

3.3 Life span of seagrass modules

3.4 Seagrass shoot demography

3.5 Seagrass reproduction

3.6 Seagrass colonization and the seagrass landscape

3.7 Community dynamics of mixed seagrass meadows

3.8 Concluding remarks

3.9 References

4 Light, carbon and nutrients

4.1 Introduction

4.2 Light

4.3 Inorganic carbon

4.4 Nutrients

4.5 Concluding remarks

4.6 References

5 Elemental dynamics in seagrass systems

5.1 Introduction

5.2 Primary productivity

5.3 Herbivory

5.4 Benthic mineralization processes

5.5 Burial

5.6 Exports and imports of particulate and dissolved matter

5.7 Nitrogen fixation

5.8 Concluding remarks

5.9 References

6 Fauna associated with seagrass systems

6.1 Introduction

6.2 Abundance and diversity

6.3 Fish assemblages

6.4 Crustaceans

6.5 Molluscs

6.6 Endangered grazers: turtles and sea cows

6.7 Faunal activity and seagrass growth and production

6.8 Concluding remarks

6.9 References

7 Seagrasses in the human environment

7.1 Introduction

7.2 The value of seagrasses to humans

7.3 The occurrence of large-scale declines

7.4 Natural causes of decline

7.5 Anthropogenic causes of declines

7.6 Monitoring seagrass meadows

7.7 Restoration of seagrass meadows

7.8 Epilogue

7.9 References

Index

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