Cover image: A fall sunset over a New England salt marsh dominated by Spartina alterniflora (smooth cordgrass). Sweeney Creek in Rowley, Massachusetts, USA is located within the Plum Island Ecosystems LTER and an experimental site in the TIDE project – a long-term, wholeecosystem, nutrient-enrichment study examining the cumulative effects of moderate eutrophication on salt marsh ecosystems. Photograph by Randall Hughes. See related article by Hanley, Bowen, Kearns & Hughes, pp. 3779–3793.

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封面图片和问题信息

封面图片：新英格兰盐沼上的落日余晖，以互花米草（光滑的禾本科植物）为主。美国马萨诸塞州罗利的 Sweeney Creek 位于 Plum Island 生态系统 LTER 内，也是 TIDE 项目的一个试验场——一项长期的、全生态系统的、营养丰富的研究，研究中度富营养化对盐沼生态系统的累积影响。兰德尔·休斯摄。参见 Hanley、Bowen、Kearns & Hughes 的相关文章，第 3779-3793 页。