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DOI10.1007/s11273-013-9330-6
Carbon sequestration in wetland soils of the northern Gulf of Mexico coastal region
Hansen, Virginia D.; Nestlerode, Janet A.
发表日期2014-06-01
ISSN0923-4861
卷号22期号:3页码:289-303
英文摘要

Coastal wetlands play an important but complex role in the global carbon cycle, contributing to the ecosystem service of greenhouse gas regulation through carbon sequestration. Although coastal wetlands occupy a small percent of the total US land area, their potential for carbon storage, especially in soils, often exceeds that of other terrestrial ecosystems. More than half of the coastal wetlands in the US are located in the northern Gulf of Mexico, yet these wetlands continue to be degraded at an alarming rate, resulting in a significant loss of stored carbon and reduction in capacity for carbon sequestration. We provide estimates of surface soil carbon densities for wetlands in the northern Gulf of Mexico coastal region, calculated from field measurements of bulk density and soil carbon content in the upper 10-15 cm of soil. We combined these estimates with soil accretion rates derived from the literature and wetland area estimates to calculate surface soil carbon pools and accumulation rates. Wetlands in the northern Gulf of Mexico coastal region potentially store 34-47 Mg C ha(-1) and could potentially accumulate 11,517 Gg C year(-1). These estimates provide important information that can be used to incorporate the value of wetlands in the northern Gulf of Mexico coastal region in future wetland management decisions related to global climate change. Estimates of carbon sequestration potential should be considered along with estimates of other ecosystem services provided by wetlands in the northern Gulf of Mexico coastal region to strengthen and enhance the conservation, sustainable management, and restoration of these important natural resources.


英文关键词Gulf of Mexico;Coastal wetlands;Carbon
语种英语
WOS记录号WOS:000335908600006
来源期刊WETLANDS ECOLOGY AND MANAGEMENT
来源机构美国环保署
文献类型期刊论文
条目标识符http://gcip.llas.ac.cn/handle/2XKMVOVA/62585
作者单位US EPA, Gulf Ecol Div, Gulf Breeze, FL 32561 USA
推荐引用方式
GB/T 7714
Hansen, Virginia D.,Nestlerode, Janet A.. Carbon sequestration in wetland soils of the northern Gulf of Mexico coastal region[J]. 美国环保署,2014,22(3):289-303.
APA Hansen, Virginia D.,&Nestlerode, Janet A..(2014).Carbon sequestration in wetland soils of the northern Gulf of Mexico coastal region.WETLANDS ECOLOGY AND MANAGEMENT,22(3),289-303.
MLA Hansen, Virginia D.,et al."Carbon sequestration in wetland soils of the northern Gulf of Mexico coastal region".WETLANDS ECOLOGY AND MANAGEMENT 22.3(2014):289-303.
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