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首页> 外文期刊>Southeastern naturalist >Hydrogeochemical Characterization of Headwater Seepages Inhabited by the Endangered Bunched Arrowhead (Sagittaria fasciculata) in the Upper Piedmont of South Carolina
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Hydrogeochemical Characterization of Headwater Seepages Inhabited by the Endangered Bunched Arrowhead (Sagittaria fasciculata) in the Upper Piedmont of South Carolina

机译：南卡罗莱纳州上皮山的濒临灭绝的束状箭头（Sagittaria fasciculata）居住的源头渗流的水文地球化学特征

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摘要

Sagittaria fasciculata (Bunched Arrowhead) is an endangered plant known to grow only in Greenville County, SC, and Henderson and Buncombe counties, NC. This study compared the hydrogeochemical characteristics (hydrologic setting, water chemistry, substrate grain size, and organic matter content) of fourteen Bunched Arrowhead sites across Greenville County. All Bunched Arrowhead were found in partially to fully shaded and saturated discharge areas in close proximity to and fed by continuous and consistent groundwater seeps. The plants grew in sandy substrata with highly variable organic matter contents. Surface waters at these sites were shallow, dilute, and acidic (pH 4.5–5.7). However, the degree to which water chemistry influences the plant’s growth and survival remains to be determined.
机译：Sagittaria fasciculata（束箭头）是一种濒危植物，仅在南卡罗来纳州的格林维尔县以及北卡罗来纳州的亨德森和本科姆县生长。这项研究比较了格林维尔县14个丛生箭头地区的水文地球化学特征（水文环境，水化学，底物颗粒大小和有机质含量）。所有“束状箭头”都位于紧邻连续地下水且始终如一的地下水渗入的部分至完全阴影和饱和排放区域。这些植物生长在沙质基质中，有机质含量变化很大。这些地点的地表水浅，稀且呈酸性（pH 4.5-5.7）。但是，水化学影响植物生长和存活的程度尚待确定。

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