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globalchange > 过去全球变化的重建

DOI:	10.1371/journal.pone.0093296
论文题名:	Indirect Human Impacts Reverse Centuries of Carbon Sequestration and Salt Marsh Accretion
作者:	Tyler C. Coverdale; Caitlin P. Brisson; Eric W. Young; Stephanie F. Yin; Jeffrey P. Donnelly; Mark D. Bertness
刊名:	PLOS ONE
ISSN:	1932-6203
出版年:	2014
发表日期:	2014-3-27
卷:	9, 期:3
语种:	英语
英文关键词:	Carbon sequestration ; Marshes ; Coastal ecosystems ; Burrowing ; Grazing ; Marine ecosystems ; Ecosystems ; Habitats
英文摘要:	Direct and indirect human impacts on coastal ecosystems have increased over the last several centuries, leading to unprecedented degradation of coastal habitats and loss of ecological services. Here we document a two-century temporal disparity between salt marsh accretion and subsequent loss to indirect human impacts. Field surveys, manipulative experiments and GIS analyses reveal that crab burrowing weakens the marsh peat base and facilitates further burrowing, leading to bank calving, disruption of marsh accretion, and a loss of over two centuries of sequestered carbon from the marsh edge in only three decades. Analogous temporal disparities exist in other systems and are a largely unrecognized obstacle in attaining sustainable ecosystem services in an increasingly human impacted world. In light of the growing threat of indirect impacts worldwide and despite uncertainties in the fate of lost carbon, we suggest that estimates of carbon emissions based only on direct human impacts may significantly underestimate total anthropogenic carbon emissions.
URL:	http://journals.plos.org/plosone/article/file?id=10.1371/journal.pone.0093296&type=printable
Citation statistics:
资源类型:	期刊论文
标识符:	http://119.78.100.158/handle/2HF3EXSE/18822
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.0093296.PDF（824KB）	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 Ecology and Evolutionary Biology, Brown University, Providence, Rhode Island, United States of America;Department of Ecology and Evolutionary Biology, Brown University, Providence, Rhode Island, United States of America;Department of Ecology and Evolutionary Biology, Brown University, Providence, Rhode Island, United States of America;Department of Ecology and Evolutionary Biology, Brown University, Providence, Rhode Island, United States of America;Woods Hole Oceanographic Institution, Woods Hole, Massachusetts, United States of America;Department of Ecology and Evolutionary Biology, Brown University, Providence, Rhode Island, United States of America

Recommended Citation:

Tyler C. Coverdale,Caitlin P. Brisson,Eric W. Young,et al. Indirect Human Impacts Reverse Centuries of Carbon Sequestration and Salt Marsh Accretion[J]. PLOS ONE,2014-01-01,9(3)

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