Quéré, Gaëlle and Nugues, Maggy M. (2015) Coralline algae disease reduces survival and settlement success of coral planulae in laboratory experiments. Coral Reefs, 34 (3). pp. 863-870. DOI https://doi.org/10.1007/s00338-015-1292-0.

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Abstract

Disease outbreaks have been involved in the deterioration of coral reefs worldwide and have been particularly striking among crustose coralline algae (CCA). Although CCA represent important cues for coral settlement, the impact of CCA diseases on the survival and settlement of coral planulae is unknown. Exposing coral larvae to healthy, diseased, and recently dead crusts from three important CCA species, we show a negative effect of disease in the inductive CCA species Hydrolithon boergesenii on larval survivorship of Orbicella faveolata and settlement of O. faveolata and Diploria labyrinthiformis on the CCA surface. No effect was found with the less inductive CCA species Neogoniolithon mamillare and Paragoniolithon accretum. Additionally, a majority of planulae that settled on top of diseased H. boergesenii crusts were on healthy rather than diseased/dying tissue. Our experiments suggest that CCA diseases have the potential to reduce the survivorship and settlement of coral planulae on coral reefs.

Document Type:	Article
Programme Area:	UNSPECIFIED
Research affiliation:	Social Sciences > Social-Ecological Systems Analysis
Refereed:	Yes
Open Access Journal?:	No
DOI:	https://doi.org/10.1007/s00338-015-1292-0
ISSN:	0722-4028
Date Deposited:	06 Aug 2019 11:49
Last Modified:	01 Oct 2020 12:59
URI:	http://cris.leibniz-zmt.de/id/eprint/2464

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