How Quickly do Fragments of Coral “Self‐Attach” after Transplantation?
How Quickly do Fragments of Coral “Self‐Attach” after Transplantation?
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移植后珊瑚碎片“自我附着”的速度有多快？
DOI：
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发表时间：
2011
期刊：
影响因子：
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通讯作者：
E. Gomez
中科院分区：
文献类型：
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作者：
J. Guest;Rommi M. Dizon;A. Edwards;Chiara Franco;E. Gomez
珊瑚碎片移植被视为快速恢复退化珊瑚礁区域珊瑚覆盖的潜在方法；然而，仍需要大量研究来评估珊瑚移植作为可行的珊瑚礁恢复工具的有效性。最初，在修复工作中，珊瑚移植物是人工附着的。自附着（即珊瑚组织在基质上生长）提供了更安全和持久的结合，因此了解珊瑚的自附着时间对于珊瑚礁恢复非常重要。虽然众所周知，珊瑚碎片可能会在移植后几周内产生新的组织并与基质结合，但令人惊讶的是，人们对大多数物种的自我附着速度知之甚少。进行了两项独立实验，以检查 12 种石珊瑚和一种非石珊瑚珊瑚物种在天然碳酸钙基质上的自附着时间。第一个实验在大约 7 个月内检查了来自 7 个科的 11 种不同形态的物种的自我附着时间，而第二个实验在大约 1 个月内检查了三种快速附着的鹿角珊瑚物种。在第一个实验中，与所有其他物种相比，分枝物种 Acropora muricata 的自附着时间明显更快，而 Echinopora lamellosa 的自附着时间最慢。对于第二个实验，A. muricata 的自附着速度明显慢于 Acropora hyacinthus（板状）和 Acropora digitalifera（伞房状-指状）。结果表明，包括生长速度、生长形式和生活史在内的多种因素可能决定珊瑚物种碎片在破碎和移植后自我附着的速度。
Transplantation of coral fragments is seen as a potential method to rapidly restore coral cover to areas of degraded reef; however, considerable research is still needed to assess the effectiveness of coral transplantation as a viable reef restoration tool. Initially, during restoration efforts, coral transplants are attached artificially. Self‐attachment (i.e., growth of coral tissue onto the substrate) provides a more secure and lasting bond, thus knowledge about self‐attachment times for corals is of importance to reef restoration. While it is known that coral fragments may generate new tissue and bond to substrata within a few weeks of transplantation, surprisingly little is known about the speed of self‐attachment for most species. Two independent experiments were carried out to examine the self‐attachment times of 12 scleractinian and one non‐scleractinian coral species to a natural calcium carbonate substrate. The first experiment examined times to self‐attachment in 11 species of differing morphologies from seven families over approximately 7 months, whereas the second experiment examined three fast‐attaching Acropora species over approximately 1 month. In the first experiment, the branching species Acropora muricata had a significantly faster self‐attachment time compared to all other species, while Echinopora lamellosa had the slowest self‐attachment time. For the second experiment, A. muricata was significantly slower to self‐attach than Acropora hyacinthus (tabular) and Acropora digitifera (corymbose‐digitate). The results suggest that a combination of factors including growth rates, growth form and life history may determine how quickly fragments of coral species self‐attach after fragmentation and transplantation.