Endolithic community composition of Orbicella faveolata (Scleractinia) underneath the interface between coral tissue and turf algae

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• 作者：N. Gutiérrez-Isaza ; J. Espinoza-Avalos ; H. P. León-Tejera ; D. González-Solís
• 关键词：Endolithic organisms ; Microflora ; Competition ; Turf algae ; Cyanoprokaryota ; Ostreobium quekettii
• 刊名：Coral Reefs
• 出版年：2015
• 出版时间：June 2015
• 年：2015
• 卷：34
• 期：2
• 页码：625-630
• 全文大小：1,029 KB
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• 作者单位：N. Gutiérrez-Isaza (1) r> J. Espinoza-Avalos (1) r> H. P. León-Tejera (2) r> D. González-Solís (1) r>r>1. El Colegio de la Frontera Sur, Av. Centenario km 5.5, Apdo. Postal 424, 77014, Chetumal, Q. ROO, Mexico r> 2. Laboratorio de Ficología, Facultad de Ciencias, Universidad Nacional Autónoma de México, Apdo. Postal 70-620, 04510, Coyoacán, D. F., Mexico r>
• 刊物类别：Earth and Environmental Science
• 刊物主题：Earth sciencesr>Oceanographyr>Geologyr>Sedimentologyr>
• 出版者：Springer Berlin / Heidelberg
• ISSN：1432-0975

文摘

We evaluated the species composition, richness, and total abundance of the endolithic community in the skeleton of Orbicella faveolata under coral tissue and under turf algae using cores that were extracted at different distances (0.5, 2.5, and 7.0?cm) from both sides of the external coral tissue–turf algae competitive boundary. We found high endolith richness as never before reported for Orbicella species. Nineteen endolith taxa were found within the O. faveolata skeleton, seven below the coral tissue zone, and twelve exclusively below the turf algae zone. Significant differences existed in the community composition, species richness, and the total abundance of endoliths in the cores that were extracted from the turf algae zone compared with those of the coral tissue zone. The endolithic community composition and species richness changed abruptly across the coral–turf algae interface, forming a clear boundary between different endolithic communities just underneath the interface between the coral tissue and turf algae zones.