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Anthropogenic Transformations in the Mouth Area of Tributaries as Factors of Negative Impact on Lake Baikal
Water ( IF 3.4 ) Pub Date : 2021-05-04 , DOI: 10.3390/w13091295
Olga V. Gagarinova , Irina A. Belozertseva , Irina B. Vorobyova , Natalia V. Vlasova , Natalia V. Emelyanova , Andrei A. Sorokovoi

The paper presents the results of complex geoecological, hydrochemical and water-ecological studies of the mouth area of tributaries and shores of Lake Baikal at model sites. The mouth area of tributaries is in dynamic interaction with the receiving water body; chemical and biological accumulative and exchange processes directly affect the state of the Lake Baikal’s water resources. The study assessed the transformation and determined potential resilience of the main components of landscapes to anthropogenic loads within the mouth area. Revealed are the basic parameters of soil and surface water pollution and factors of anthropogenic influence of residential and recreational zones on the natural complexes of the model territories. The research results showed that the pollutant accumulation on the geochemical barriers of soils and alluvial deposits, purification of surface waters in floodplain meadow and wetlands are quite active and generally support the ecological state of the mouth area. However, the low degree of resilience to anthropogenic loads and the current level of degradation of the landscape components of mouth complexes indicate the need to reduce the adverse impact on these territories and on the lake ecosystem as a whole.

中文翻译:

支流口区的人为转化是对贝加尔湖的负面影响的因素

本文介绍了在模型地点对贝加尔湖支流和海岸河口地区进行复杂的地球生态学,水化学和水生态学研究的结果。支流口区与接收水体动态相互作用。化学和生物的积累和交换过程直接影响贝加尔湖的水资源状况。该研究评估了景观的主要组成部分对河口地区人为负荷的转化并确定了潜在的复原力。揭示了土壤和地表水污染的基本参数,以及居住区和娱乐区对模型领土的自然复合体的人为影响因素。研究结果表明,污染物堆积在土壤和冲积物的地球化学屏障上,洪泛区草甸和湿地的地表水净化非常活跃,通常支持河口地区的生态状态。但是,对人为负荷的抵御能力低,以及目前河口综合体景观成分的退化水平表明,有必要减少对这些领土和整个湖泊生态系统的不利影响。
更新日期:2021-05-04
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