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DOI:	10.1371/journal.pone.0144498
论文题名:	Episodic Disturbance from Boat Anchoring Is a Major Contributor to, but Does Not Alter the Trajectory of, Long-Term Coral Reef Decline
作者:	Graham E. Forrester; Rebecca L. Flynn; Linda M. Forrester; Lianna L. Jarecki
刊名:	PLOS ONE
ISSN:	1932-6203
出版年:	2015
发表日期:	2015-12-30
卷:	10, 期:12
语种:	英语
英文关键词:	Coral reefs ; Fishes ; Corals ; Crabs ; Cognitive heuristics ; Boats ; Mechanical stress ; Climate change
英文摘要:	Isolating the relative effects of episodic disturbances and chronic stressors on long-term community change is challenging. We assessed the impact of an episodic disturbance associated with human visitation (boat anchoring) relative to other drivers of long-term change on coral reefs. A one-time anchoring event at Crab Cove, British Virgin Islands, in 2004 caused rapid losses of coral and reef structural complexity that were equal to the cumulative decline over 23 years observed at an adjacent site. The abundance of small site-attached reef fishes dropped by approximately one quarter after the anchoring event, but this drop was not immediate and only fully apparent two years after the anchoring event. There was no obvious recovery from the impact, and no evidence that this episodic impact accelerated or retarded subsequent declines from other causes. This apparent lack of synergism between the effect of this episodic human impact and other chronic stressors is consistent with the few other long-term studies of episodic impacts, and suggests that action to mitigate anchor damage should yield predictable benefits.
URL:	http://journals.plos.org/plosone/article/file?id=10.1371/journal.pone.0144498&type=printable
Citation statistics:
资源类型:	期刊论文
标识符:	http://119.78.100.158/handle/2HF3EXSE/20735
Appears in Collections:	过去全球变化的重建影响、适应和脆弱性科学计划与规划气候变化与战略全球变化的国际研究计划气候减缓与适应气候变化事实与影响

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journal.pone.0144498.PDF（592KB）	期刊论文	作者接受稿	开放获取	CC BY-NC-SA	View Download

作者单位:

Department of Natural Resources Science, University of Rhode Island, 1 Greenhouse Road, Kingston, Rhode Island, 02881, United States of America;Department of Natural Resources Science, University of Rhode Island, 1 Greenhouse Road, Kingston, Rhode Island, 02881, United States of America;Department of Biological Sciences, University of Rhode Island, 120 Flagg Road, Kingston, Rhode Island, 02881, United States of America;Department of Natural Resources Science, University of Rhode Island, 1 Greenhouse Road, Kingston, Rhode Island, 02881, United States of America

Recommended Citation:

Graham E. Forrester,Rebecca L. Flynn,Linda M. Forrester,et al. Episodic Disturbance from Boat Anchoring Is a Major Contributor to, but Does Not Alter the Trajectory of, Long-Term Coral Reef Decline[J]. PLOS ONE,2015-01-01,10(12)

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