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6 cze 2023 · In 2022, a national investigation of 3641 sampling sites in rivers, lakes, and reservoirs across China showed that 12.1% of sampling sites had water quality lower than Class III according to...
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1 sie 2021 · We selected a total of 350 water quality sampling sites within six large river basins (Liao, Hai, Yellow, Yangtze, Huai, and Pearl) to elucidate the relative importance of watershed landscape characteristics and proxy variables of human-related activities on river water quality.
In 2015, 81.8 percent of the national monitoring stations located in the Yangtze River Basin reported "fairly good" water quality, according to the Ministry of Ecology and Environment.
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Abstract. Food production systems, urbanization, and other anthropogenic activities dramatically alter natural hydrological and nutrient cycles, and are primarily responsible for water quality impairments in China’s rivers.
China has been developing its river ethics with its own unique national characteristics to ensure that the technical, economic, environmental and ethical aspects of rivers are properly taken care ...
27 cze 2020 · River water quality assessment is one of the most important aspects to enhance water resources management plans. Water quality index (WQI), as one of the most frequently used evaluation tools, was used to comprehensively analyze the water quality in the Beiyun River.