Geographic Variation in Salt Marsh Structure and Function for Nekton: a Guide to Finding Commonality Across Multiple Scales

Geographic Variation in Salt Marsh Structure and Function for Nekton: a Guide to Finding Commonality Across Multiple Scales
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Nekton 盐沼结构和功能的地理变化:跨尺度寻找共性的指南

DOI:
10.1007/s12237-020-00894-y
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发表时间:
2021
影响因子:
2.7
通讯作者:
Mallick, Debbrota
Mallick, Debbrota
中科院分区:
环境科学与生态学3区
文献类型:
--
作者:
Ziegler, Shelby L.;Baker, Ronald;Crosby, Sarah C.;Colombano, Denise D.;Barbeau, Myriam A.;Cebrian, Just;Connolly, Rod M.;Deegan, Linda A.;Gilby, Ben L.;Mallick, Debbrota

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沿海盐沼广泛分布在全球各地,被认为是许多鱼类和甲壳类动物的重要栖息地。然而,关于盐沼对渔业的支持的文献主要是基于几个地理上不同的模型系统,因此,没有充分捕捉到盐沼模式、过程和时空变化的等级性质。更好地了解地理差异以及盐沼系统之间的共性和差异的驱动因素,对于为未来的管理实践提供信息至关重要。在这里,我们讨论了盐沼地理变化的关键驱动因素:水期、景观配置、地貌、气候区域、沉积物供应和河流输入、盐度、植被组成和人类活动。未来管理、保护和恢复这些栖息地的努力将需要考虑沼泽内的环境驱动因素如何影响渔业物种的整体结构和后续功能。我们提出了一个未来的研究议程,即在小规模研究中提供一致的变异来源收集和报告,以及在大尺度和地理位置不同的地方进行并行研究的协作网络,为数据贫乏的地区提供类似的信息。需要这些比较来确定和优先考虑恢复或保护工作,确定区域间差异的来源,并在全球范围内对渔业和粮食资源进行最佳管理。
Coastal salt marshes are distributed widely across the globe and are considered essential habitat for many fish and crustacean species. Yet, the literature on fishery support by salt marshes has largely been based on a few geographically distinct model systems, and as a result, inadequately captures the hierarchical nature of salt marsh pattern, process, and variation across space and time. A better understanding of geographic variation and drivers of commonalities and differences across salt marsh systems is essential to informing future management practices. Here, we address the key drivers of geographic variation in salt marshes: hydroperiod, seascape configuration, geomorphology, climatic region, sediment supply and riverine input, salinity, vegetation composition, and human activities. Future efforts to manage, conserve, and restore these habitats will require consideration of how environmental drivers within marshes affect the overall structure and subsequent function for fisheries species. We propose a future research agenda that provides both the consistent collection and reporting of sources of variation in small-scale studies and collaborative networks running parallel studies across large scales and geographically distinct locations to provide analogous information for data poor locations. These comparisons are needed to identify and prioritize restoration or conservation efforts, identify sources of variation among regions, and best manage fisheries and food resources across the globe.
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