Reef location and season, but not recruitment substrate contour and composition, affect coral recruitment patterns

Dexter W. dela Cruz; Peter L. Harrison

doi:10.1016/j.jembe.2024.152029

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Reef location and season, but not recruitment substrate contour and composition, affect coral recruitment patterns

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Reef location and season, but not recruitment substrate contour and composition, affect coral recruitment patterns

Dexter W. dela Cruz and Peter L. Harrison

Journal of experimental marine biology and ecology, Vol.578, 152029

09/2024

DOI: https://doi.org/10.1016/j.jembe.2024.152029

Appears in Recent Faculty of Science and Engineering Publications

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Abstract

Coral reproduction

Coral settlement

Coral spawning

Philippines

Recruitment tiles

Most studies have quantified coral recruitment using recruitment tiles temporarily deployed on reefs. However, the wide range of tile types used in different studies potentially influences recruitment patterns thereby hindering accurate comparisons among reef areas. We examined the effect of different tile types with different surface structure and composition on spatial (reef locations) and temporal (season) patterns of coral recruitment in the northwestern Philippines. Dead coral skeleton, terracotta, and fibre-cement tiles were deployed and retrieved quarterly over a 15-month period. In contrast to previous studies, patterns of standardized density and composition of recruits were consistent among tile types. Recruits varied spatially and were highest in Caniogan reef, followed by Cory reef and Lucero reef, suggesting that coral recruitment in the Bolinao-Anda Reef Complex (BARC) is influenced by reef location and existing coral cover. Highest recruitment was also found during the peak coral spawning season. The results of this study contrast with some previous reports which indicate that coral recruitment patterns are strongly influenced by recruitment substrate types. Our study suggests that once sufficient biological conditioning of the tile surfaces has occurred, the microbial and algal community present on the different tile surfaces are similarly conducive to larval settlement of some coral taxa.

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Title: Reef location and season, but not recruitment substrate contour and composition, affect coral recruitment patterns
Creators: Dexter W. dela Cruz - Southern Cross University
Peter L. Harrison - Southern Cross University
Publication Details: Journal of experimental marine biology and ecology, Vol.578, 152029
Publisher: Elsevier B.V; AMSTERDAM
Grant note: ACIAR Project: FIS/2011/072
We thank the staff and research assistants at the Bolinao Marine Laboratory of the Marine Science Institute, University of the Philippines for logistical support with this research specially to M. Ponce. We thank S. Whalan, K. Benkendorff, C. Doropoulos and S. Boco for statistical suggestions and comments on the manuscript. This publication is dedicated to our colleague at BML, Dr. Ronald D. Villanueva who became terminally ill during 2015. We thank C. Barlow, A. Fleming, and I. Van Putten from ACIAR for ongoing support, and funding support from the ACIAR Project FIS/2011/072. This is MSI Contribution No. 1596.
Identifiers: 991013204074102368
Academic Unit: Faculty of Science and Engineering; Science
Language: English
Resource Type: Journal article

Reef location and season, but not recruitment substrate contour and composition, affect coral recruitment patterns

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