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高邮湖沉水植物分布格局及其与水环境因子的关系
Authors
吴幸强
田翠翠
郭传波
Publication date
1 January 2019
Publisher
Abstract
2016年对高邮湖沉水植物分布进行了采样调查,并应用冗余分析法对沉水植物分布格局及其与主要环境因子的关系进行了研究。结果表明,高邮湖现有沉水植物种类分布稀少,其中春夏季菹草(Potamogetoncrispus)是高邮湖沉水植物中绝对优势种,其分布几乎遍及全湖,穗状狐尾藻(Myriophyllum spicatum)和篦齿眼子菜(Potamogeton pectinatus)仅在个别点位少量分布。不同季节湖泊氮含量均可维持在Ⅲ类水标准,而磷含量严重超标。相关分析发现,沉水植物分布和透明度呈正相关,与总磷、氨氮浓度显著负相关。MonteCarlo检验结果表明,总磷和透明度是影响高邮湖沉水植物分布的主要环境因子。实验结果为进一步探讨高邮湖沉水植物资源的利用和保护提供依据
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Institute of Hydrobiology, Chinese Academy Of Sciences
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oai:ir.ihb.ac.cn:342005/37080
Last time updated on 25/11/2020