Contents
xi
21 Seagrasses, Fish, and Fisheries
503–536
Bronwyn M. Gillanders
I.
Introduction
503
II. Use of Seagrass Beds by Fish Species
503
III. Comparison of Abundance, Diversity, Growth, and Survival of Fish
in Seagrass Habitats, with Other Nearshore Habitats
505
IV. Spatial Scales—Factors Influencing Abundance of Fish
in Seagrass Beds
509
V. Temporal Scales— Factors Influencing Abundance of Fish
in Seagrass Beds
516
VI. Links Between Seagrass and Fisheries
517
VII. Conservation and Management Issues
524
VIII. Future Research Directions
527
Acknowledgments
530
References
530
22 Predation in Seagrass Beds
537–550
Kenneth L. Heck and Robert J. Orth
I. Introduction
537
II. Effects of Seagrasses on Predator–Prey Interactions in Ecological Time
537
III. Effects of Seagrass on Predator–Prey Interactions in Evolutionary Time
545
IV. Summary
546
References
547
23 Decline and Recovery of Seagrass Ecosystems—The
Dynamics of Change
Diana I. Walker, Gary A. Kendrick, and Arthur J. McComb
I. Introduction
551
II. Changes in Seagrass Distributions
551
III. Loss of Seagrass Beds
552
IV. Case Study 1: Why did We Lose Seagrasses in Cockburn Sound
Whereas Seagrass Area has Expanded on Neighbouring Parmelia
and Success Banks?
556
V. Case Study 2: Florida Bay
560
VI. Species-Specific Recruitment and Growth Characteristics
560
VII. Can Seagrass Management be Proactive?
562
References
562
24 Human Impacts on Seagrasses: Eutrophication, Sedimentation
and Contamination
and Catrion `
a M. O. Macinnis-Ng
I. Introduction
567
II. Anthropogenic Stressors
568
III. Management of Anthropogenic Pollutants
584
IV. Recommended Research Directions
586
V. Summary
587
References
587
551–565
567–593
Peter J. Ralph, David Tomasko, Kenneth Moore, Stephanie Seddon,