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The Biology of Mangroves and Seagrasses, Third Edition$
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Peter J. Hogarth

Print publication date: 2015

Print ISBN-13: 9780198716549

Published to Oxford Scholarship Online: August 2015

DOI: 10.1093/acprof:oso/9780198716549.001.0001

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PRINTED FROM OXFORD SCHOLARSHIP ONLINE (oxford.universitypressscholarship.com). (c) Copyright Oxford University Press, 2021. All Rights Reserved. An individual user may print out a PDF of a single chapter of a monograph in OSO for personal use. date: 18 September 2021

Seagrass Communities

Seagrass Communities

(p.139) 7 Seagrass Communities
The Biology of Mangroves and Seagrasses, Third Edition

Peter J. Hogarth

Oxford University Press

Epiphytic algae settle on seagrass fronds, reducting photosynthesis. Gastropod molluscs browse the epiphytic flora, and may also damage or destroy the seagrasses themselves. Other gastropod species are deposit or detritus feeders, or predators. Bivalve molluscs are filter- or deposit-feeders. Seagrass meadows may have a diverse crustacean fauna, including herbivores, detritivores, and predators. Sea urchins may also be important grazing herbivores, often denuding an area of seagrasses. Turtles and seacows (dugongs and manatees) are important herbivores, and by selective grazing appear to ‘garden’ seagrass meadows. Many intertidal seagrass beds provide an important feeding resource for migratory birds.

Keywords:   birds, crustaceans, dugongs, manatees, echinoderms, epiphyte, fish, mollusc, seagrass, turtles

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