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Agricultural land use ; China ; Hydrochemistry ; Land use ; Plant cover ; Remote sensing ; Shaanxi ; Statistics ; Stream ; Urban area ; Water ; Water quality ; Watershed
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Water quality in relation to land use and land cover in the upper Han River Basin, China
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Agricultural land use ; China ; Hydrochemistry ; Land use ; Plant cover ; Remote sensing ; Shaanxi ; Statistics ; Stream ; Urban area ; Water ; Water quality ; Watershed