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globalchange > 过去全球变化的重建

DOI:	10.1371/journal.pone.0090600
论文题名:	Caribbean-Wide, Long-Term Study of Seagrass Beds Reveals Local Variations, Shifts in Community Structure and Occasional Collapse
作者:	Brigitta I. van Tussenbroek; Jorge Cortés; Rachel Collin; Ana C. Fonseca; Peter M. H. Gayle; Hector M. Guzmán; Gabriel E. Jácome; Rahanna Juman; Karen H. Koltes; Hazel A. Oxenford; Alberto Rodríguez-Ramirez; Jimena Samper-Villarreal; Struan R. Smith; John J. Tschirky; Ernesto Weil
刊名:	PLOS ONE
ISSN:	1932-6203
出版年:	2014
发表日期:	2014-3-3
卷:	9, 期:3
语种:	英语
英文关键词:	Productivity (ecology) ; Coral reefs ; Leaves ; Algae ; Lagoons ; Storms ; Latitude ; Sediment
英文摘要:	The CARICOMP monitoring network gathered standardized data from 52 seagrass sampling stations at 22 sites (mostly Thalassia testudinum-dominated beds in reef systems) across the Wider Caribbean twice a year over the period 1993 to 2007 (and in some cases up to 2012). Wide variations in community total biomass (285 to >2000 g dry m−2) and annual foliar productivity of the dominant seagrass T. testudinum (<200 and >2000 g dry m−2) were found among sites. Solar-cycle related intra-annual variations in T. testudinum leaf productivity were detected at latitudes > 16°N. Hurricanes had little to no long-term effects on these well-developed seagrass communities, except for 1 station, where the vegetation was lost by burial below ∼1 m sand. At two sites (5 stations), the seagrass beds collapsed due to excessive grazing by turtles or sea-urchins (the latter in combination with human impact and storms). The low-cost methods of this regional-scale monitoring program were sufficient to detect long-term shifts in the communities, and fifteen (43%) out of 35 long-term monitoring stations (at 17 sites) showed trends in seagrass communities consistent with expected changes under environmental deterioration.
URL:	http://journals.plos.org/plosone/article/file?id=10.1371/journal.pone.0090600&type=printable
Citation statistics:
资源类型:	期刊论文
标识符:	http://119.78.100.158/handle/2HF3EXSE/17781
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.0090600.PDF（1777KB）	期刊论文	作者接受稿	开放获取	CC BY-NC-SA	View Download

作者单位:

Instituto de Ciencias del Mar y Limnología, Universidad Nacional Autónoma de México, Cancún, Mexico;Centro de Investigación en Ciencias del Mar y Limnología (CIMAR), Universidad de Costa Rica, San Pedro, Costa Rica;Smithsonian Tropical Research Institute, Panama, Republic of Panama;Centro de Investigación en Ciencias del Mar y Limnología (CIMAR), Universidad de Costa Rica, San Pedro, Costa Rica;Discovery Bay Marine Laboratory, Discovery Bay, Jamaica;Smithsonian Tropical Research Institute, Panama, Republic of Panama;Smithsonian Tropical Research Institute, Panama, Republic of Panama;Institute of Marine Affairs, Trinidad, Trinidad and Tobago;Office of Insular Affairs, Department of the Interior, Washington DC, United States of America;CERMES, University of the West Indies, Barbados, West Indies;Instituto de Investigaciones Marinas y Costeras (INVEMAR), Santa Marta, Colombia;Centro de Investigación en Ciencias del Mar y Limnología (CIMAR), Universidad de Costa Rica, San Pedro, Costa Rica;Bermuda Biological Station for Research, St. George, Bermuda;Garrett Park, Maryland, United States of America;Department of Marine Sciences, University of Puerto Rico, Mayaguez, Puerto Rico, United States of America

Recommended Citation:

Brigitta I. van Tussenbroek,Jorge Cortés,Rachel Collin,et al. Caribbean-Wide, Long-Term Study of Seagrass Beds Reveals Local Variations, Shifts in Community Structure and Occasional Collapse[J]. PLOS ONE,2014-01-01,9(3)

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