In recent years,the rural residentsliving environment and living standards has been improving in Liaodong,the farmer......

褐家鼠是黔中地区农舍的优势种害鼠。明确不同年龄组、不同季节本地区褐家鼠的体型特征,既可以丰富褐家鼠种群生态研究资料,也可为......

褐家鼠是黔中地区农舍区害鼠优势种,为摸清不同月份、不同季节、不同年龄组种群繁殖参数的变化情况,丰富种群生态研究资料,为其种......

从微观农户角度分析了干旱、农业旱灾和农户旱灾脆弱性的成因。文章认为，自然降水不足或与作物需求匹配不均是造成农业干旱的动力，农......

At presents,the hollowing of rural areas and the emptying of rural houses are very common. Scholars have discussed vario......