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Vegetation-Groundwater Relationship Model for Subei Lake Watershed and Prediction of Vegetation Succession Rules under Exploitation

机译:苏联湖流域植被 - 地下水关系模型及剥削植被继承规则预测

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Located in an arid and semi-arid region with low rainfall and high evaporation, the Subei Lake watershed has fragile ecological environment; the impact of groundwater level recession on vegetation ecology is the key problem for the exploitation and utilization of groundwater resource in this region. In this paper, a succession model for vegetation and burial depth of groundwater level was constructed through field survey, and was used along with numeric simulation to predict the change in burial depth of groundwater level in the study area under exploitation and to analyze and predict the vegetation succession rules and processes. It is believed from the study that, while groundwater level falls constantly, the burial depth of groundwater level will increase gradually, and succession will occur gradually from aquatic vegetation to mesophytic and xerophytic vegetations, from Carex L. and Iris ensata Thunb shoaly lands to Achnatherum splendens shoaly lands, from Salix psammophila shrubs to Artemisia desterorum Spreng shrubs, and from Populus simonii to Salix matsudana.
机译:位于降雨量下降和高蒸发的干旱和半干旱地区,薯条湖流域具有脆弱的生态环境;地下水位经济衰退对植被生态的影响是该地区地下水资源开采和利用的关键问题。本文通过现场调查构建了地下水位植被和埋藏深度的连续模型,并与数字模拟一起使用,以预测研究区剥削地区地下水位水平的变化及分析及预测植被连续规则和流程。据信,虽然地下水位不断下降,地下水位水平的埋藏深度将逐渐增加,而且继承从水生植物到养殖和杂志植被,来自Carex L.和伊利斯·塞纳塔·丘脑Shoaly陆地到AchnaTherum Splengens Shoaly Lands,从Salix Psammophila灌木到Artemisia desterorum Spreng灌木,并从Populus Simonii到Salix Matsudana。

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