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Density-dependent effects on initial growth of a branching coral under restoration

John Griffin Orcid Logo, Elizabeth C. Schrack, Kemit-Amon Lewis, Iliana B. Baums, Nicole Soomdat, Brian R. Silliman

Restoration Ecology, Volume: 23, Issue: 3, Pages: 197 - 200

Swansea University Author: John Griffin Orcid Logo

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DOI (Published version): 10.1111/rec.12173

Abstract

Coral reef restoration aims to help threatened coral ecosystems recover from recent severe declines. Here we address whether coral fragments should be out-planted individually or in larger aggregations. Theory suggests alternative possible outcomes: whereas out-plants within aggregations might suffe...

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Published in: Restoration Ecology
Published: 2015
URI: https://cronfa.swan.ac.uk/Record/cronfa23631
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first_indexed 2015-10-09T02:08:14Z
last_indexed 2018-02-09T05:02:38Z
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spelling 2015-10-08T19:28:32.6254653 v2 23631 2015-10-08 Density-dependent effects on initial growth of a branching coral under restoration 9814fbffa76dd9c9a207166354cd0b2f 0000-0003-3295-6480 John Griffin John Griffin true false 2015-10-08 SBI Coral reef restoration aims to help threatened coral ecosystems recover from recent severe declines. Here we address whether coral fragments should be out-planted individually or in larger aggregations. Theory suggests alternative possible outcomes: whereas out-plants within aggregations might suffer from heightened negative interactions with neighbors (e.g. competition for space), they may alternatively benefit from positive interactions with neighbors (e.g. buffering wave disturbances). On a degraded reef in the Caribbean (St. Croix, USVI), using out-plants of the critically endangered staghorn coral Acropora cervicornis, we experimentally tested how aggregation density (1–20 out-planted coral fragments spaced at approximately 5 cm) influenced initial coral growth (over 3 months). Coral growth declined as a function of aggregation size, and out-plants within larger aggregations had fewer and shorter secondary branches on average, indicative of horizontal competition for space. Our results therefore suggest that wide spacing of individuals will maximize the initial growth of out-planted branching corals. Journal Article Restoration Ecology 23 3 197 200 31 12 2015 2015-12-31 10.1111/rec.12173 COLLEGE NANME Biosciences COLLEGE CODE SBI Swansea University 2015-10-08T19:28:32.6254653 2015-10-08T19:28:32.6254653 Faculty of Science and Engineering School of Biosciences, Geography and Physics - Biosciences John Griffin 0000-0003-3295-6480 1 Elizabeth C. Schrack 2 Kemit-Amon Lewis 3 Iliana B. Baums 4 Nicole Soomdat 5 Brian R. Silliman 6
title Density-dependent effects on initial growth of a branching coral under restoration
spellingShingle Density-dependent effects on initial growth of a branching coral under restoration
John Griffin
title_short Density-dependent effects on initial growth of a branching coral under restoration
title_full Density-dependent effects on initial growth of a branching coral under restoration
title_fullStr Density-dependent effects on initial growth of a branching coral under restoration
title_full_unstemmed Density-dependent effects on initial growth of a branching coral under restoration
title_sort Density-dependent effects on initial growth of a branching coral under restoration
author_id_str_mv 9814fbffa76dd9c9a207166354cd0b2f
author_id_fullname_str_mv 9814fbffa76dd9c9a207166354cd0b2f_***_John Griffin
author John Griffin
author2 John Griffin
Elizabeth C. Schrack
Kemit-Amon Lewis
Iliana B. Baums
Nicole Soomdat
Brian R. Silliman
format Journal article
container_title Restoration Ecology
container_volume 23
container_issue 3
container_start_page 197
publishDate 2015
institution Swansea University
doi_str_mv 10.1111/rec.12173
college_str Faculty of Science and Engineering
hierarchytype
hierarchy_top_id facultyofscienceandengineering
hierarchy_top_title Faculty of Science and Engineering
hierarchy_parent_id facultyofscienceandengineering
hierarchy_parent_title Faculty of Science and Engineering
department_str School of Biosciences, Geography and Physics - Biosciences{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Biosciences, Geography and Physics - Biosciences
document_store_str 0
active_str 0
description Coral reef restoration aims to help threatened coral ecosystems recover from recent severe declines. Here we address whether coral fragments should be out-planted individually or in larger aggregations. Theory suggests alternative possible outcomes: whereas out-plants within aggregations might suffer from heightened negative interactions with neighbors (e.g. competition for space), they may alternatively benefit from positive interactions with neighbors (e.g. buffering wave disturbances). On a degraded reef in the Caribbean (St. Croix, USVI), using out-plants of the critically endangered staghorn coral Acropora cervicornis, we experimentally tested how aggregation density (1–20 out-planted coral fragments spaced at approximately 5 cm) influenced initial coral growth (over 3 months). Coral growth declined as a function of aggregation size, and out-plants within larger aggregations had fewer and shorter secondary branches on average, indicative of horizontal competition for space. Our results therefore suggest that wide spacing of individuals will maximize the initial growth of out-planted branching corals.
published_date 2015-12-31T03:27:54Z
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score 11.017797

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