Model suggests potential for Porites coral population recovery after removal of anthropogenic disturbance (Luhuitou, Hainan, South China Sea).

Model suggests potential for Porites coral population recovery after removal of anthropogenic disturbance (Luhuitou, Hainan, South China Sea).
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模型表明去除人为干扰后滨珊瑚种群恢复的潜力(鹿回头、海南、南海)

DOI:
10.1038/srep33324
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发表时间:
2016-09-13
期刊:
影响因子:
4.6
通讯作者:
Yan H
Yan H
中科院分区:
综合性期刊3区
文献类型:
--
作者:
Zhao M;Riegl B;Yu K;Shi Q;Zhang Q;Liu G;Yang H;Yan H

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人口模型对资源管理很重要,即使监测数据不完整,也可以为规划目的提供有用的潜在轨迹信息。根据海南鹿回头岸礁的大小频率数据,建立了块状珊瑚(Porites lutea)的矩阵种群模型,并预测了无干扰和随机干扰下100年的轨迹。该模型反映了一个很大程度上开放的人口ofPorites lutea,低本地招聘和进口招聘的优势。在无干扰的情况下,黄滨珊瑚种群将增长,其大小结构将从以小径级为主转变为以大径级为主。因此,总孔隙覆盖率将增加。即使在每10到20年一次的随机干扰下,波利特人仍然可以生存,尽管空间覆盖率较低。该模型表明,在鹿回头的恢复后,消除慢性人为干扰。扩大珊瑚礁保护区的面积,保护开放的珊瑚群落和连通的路径,对海南珊瑚礁的保护是可取的,也是必要的。
Population models are important for resource management and can inform about potential trajectories useful for planning purposes, even with incomplete monitoring data. From size frequency data on Luhuitou fringing reef, Hainan, South China Sea, a matrix population model of massive corals (Porites lutea) was developed and trajectories over 100 years under no disturbance and random disturbances were projected. The model reflects a largely open population ofPorites lutea, with low local recruitment and preponderance of imported recruitment. Under no further disturbance, the population ofPorites luteawill grow and its size structure will change from predominance of small size classes to large size classes. Therewith, totalPoritescover will increase. Even under random disturbances every 10 to 20 years, thePoritespopulation could remain viable, albeit at lower space cover. The models suggest recovery at Luhuitou following the removal of chronic anthropogenic disturbance. Extending the area of coral reef reserves to protect the open coral community and the path of connectivity is advisable and imperative for the conservation of Hainan’s coral reefs.
DOI: 10.1016/j.jembe.2006.10.048
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