Global S&T Development Trend Analysis Platform of Resources and Environment
DOI | DOI10.1088/1748-9326/ab7d06 |
The global distribution of seagrass meadows | |
Len J McKenzie; Lina M Nordlund; Benjamin L Jones; Leanne C Cullen-Unsworth; Chris Roelfsema; Richard K F Unsworth | |
2020-07-17 | |
发表期刊 | Environmental Research Letters
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出版年 | 2020 |
英文摘要 | Seagrass meadows globally are under pressure with worldwide loss and degradation, but there is a growing recognition of the global importance of seagrass ecosystem services, particularly as a major carbon sink and as fisheries habitat. Estimates of global seagrass spatial distribution differ greatly throughout the published literature, ranging from 177 000 to 600 000 km2 with models suggesting potential distribution an order of magnitude higher. The requirements of the Paris Climate Agreement by outlining National Determined Contributions (NDC's) to reduce emissions is placing an increased global focus on the spatial extent, loss and restoration of seagrass meadows. Now more than ever there is a need to provide a more accurate and consistent measure of the global spatial distribution of seagrass. There is also a need to be able to assess the global spread of other seagrass ecosystem services and in their extension, the values of these services. In this study, by rationalising and updating a range of existing datasets of seagrass distribution around the globe, we have estimated with Moderate to High confidence the global seagrass area to date as 160 387 km2, but possibly 266 562 km2 with lower confidence. We break this global estimate down to a national level with a detailed analysis of the current state of mapped distribution and estimates of seagrass area per country. Accurate estimates, however, are challenged by large areas remaining unmapped and inconsistent measures being used. Through the examination of current global maps, we are able to propose a pathway forward for improving mapping of this important resource. More accurate measure of global #seagrass distribution, critical for assessing current state and trends |
领域 | 气候变化 |
URL | 查看原文 |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/284164 |
专题 | 气候变化 |
推荐引用方式 GB/T 7714 | Len J McKenzie,Lina M Nordlund,Benjamin L Jones,et al. The global distribution of seagrass meadows[J]. Environmental Research Letters,2020. |
APA | Len J McKenzie,Lina M Nordlund,Benjamin L Jones,Leanne C Cullen-Unsworth,Chris Roelfsema,&Richard K F Unsworth.(2020).The global distribution of seagrass meadows.Environmental Research Letters. |
MLA | Len J McKenzie,et al."The global distribution of seagrass meadows".Environmental Research Letters (2020). |
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