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Bioerosion on modern reefs: impacts and responses under changing ecological and environmental conditions
Perry, C.T.; Harborne, A.R. (2016). Bioerosion on modern reefs: impacts and responses under changing ecological and environmental conditions, in: Hubbard, D. et al. Coral reefs at the crossroads. Coral Reefs of the World, 6: pp. 69-101. http://dx.doi.org/10.1007/978-94-017-7567-0_4
In: Hubbard, D. et al. (2016). Coral reefs at the crossroads. Coral Reefs of the World, 6. Springer: Dordrecht. ISBN 978-94-017-7565-6; e-ISBN 978-94-024-1383-0. xx, 300 pp. https://dx.doi.org/10.1007/978-94-017-7567-0
In: Coral Reefs of the World. Springer: Dordrecht. ISSN 2213-719X
Beschikbaar in  Auteurs 
Trefwoorden
    Behaviour > Feeding behaviour > Grazing
    Bioerosion
    Corals
    Sea urchins
    Scaridae Rafinesque, 1810 [WoRMS]
    Marien/Kust
Author keywords
    Parrotfish; Endolith; Carbonate budgets
Auteurs  Top 
  • Perry, C.T.
  • Harborne, A.R.
Abstract
    Biological erosion (bioerosion) is a key ecological process on coral reefs. It occurs though the grazing activities of specific fish and sea urchin species, and as a result of the colonisation of reef substrates by endolithic species of sponges, bivalves, worms and microorganisms. This activity results either in the direct dissolution of reef (mainly coral) substrate and/or the conversion of this substrate to sediment. As a result, bioerosion plays a key role in defining the structure of the accumulating reef framework, is a key process dictating the balance between rates of carbonate production and erosion, and influences reef-carbonate budget states. This chapter initially explores the key biological agents responsible for reef bioerosion within Holocene reef systems, and the influence that these organisms exert on patterns and styles of reef development. However, in the context of the aims of this book, the most pertinent question is how are reef-bioeroding taxa responding to environmental and ecological change, and how are they interacting with reef substrates under changing conditions. We discuss the current state of knowledge regarding variations in bioerosion rates and the ways in which different bioeroding taxa use space within degrading reef systems. Although much is known about the key taxa that drive reef bioerosion, data on actual bioerosion rates are limited to a few well-cited studies, and information on how these rates vary across spatial and temporal scales is even more limited. Habitat-specific bioerosion budgets for most taxa are also rare. Addressing these knowledge gaps will be critical to predicting future changes in bioeroder abundance and their impacts on changing reef environments.
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