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首页> 外文期刊>Estuarine Coastal and Shelf Science >Drivers of mangrove distribution at the high-energy, wave-dominated, southern African range limit
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Drivers of mangrove distribution at the high-energy, wave-dominated, southern African range limit

机译：美洲红树分布的司机在高能量，波浪主导，南部非洲范围限制

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摘要

Mangrove distribution patterns at regional scales are influenced by additional factors besides temperature and rainfall regimes. This study identified abiotic drivers of mangrove area cover along the high-energy, wave-dominated coastline of South Africa. This is one of the southernmost locations globally for mangroves. A structural equation model (SEM) was used to delineate relationships between multiple variables that represented climatic and geomorphological drivers of current mangrove distribution patterns. Floodplain area, inlet stability, and the flow regime of the estuary were identified as significant predictors of mangrove area. The results of this study confirm that for this region mangrove distribution is controlled by coastal topographical features and estuarine dynamics rather than temperature minima. This is similar to other high-energy, wave-dominated coasts of Australia, Brazil, and New Zealand. Future research should, therefore, incorporate regional-scale factors that restrict current distributions as they could inform on potential limitations to expansion, particularly for southern hemisphere range limits.
机译：区域鳞片的红树林分布模式受到额外因素的影响，除了温度和降雨状态。本研究确定了沿着南非的高能量波动的海岸线沿着美洲红树区覆盖的非生物司机。这是全球最南端的美洲红树的地点之一。结构方程模型（SEM）用于描绘与当前红树林分布模式的气候和地貌驱动因素之间的多变量之间的关系。洪泛区，入口稳定性和河口的流动制度被确定为红树林区的重要预测因子。本研究的结果证实，对于该地区，红树林分布由沿海地形特征和河口动态而不是温度最小值控制。这类似于澳大利亚，巴西和新西兰的其他高能量波主统治海岸。因此，未来的研究应该包括区域规模因素，这些因素限制了当前分布，因为它们可以告知扩张的潜在限制，特别是对于南半球范围限制。

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