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低洼、水湿造林地中鼠类种群为沼泽田鼠＋黑线姬鼠种群；沼泽田鼠（Ｍｉｃｒｏｔｕｓｆｏｒｔｉｓ）的食性以绿色植物的茎叶和草根为主，对含水量高的食物尤为喜爱，黑线姬鼠（Ａｐｏｄｅｍｕｓａｇｒａｒｉｕｓ）以植物的茎叶为食，秋季以后转为植物的种子和坚果，对农作物表现出嗜好性。入冬以后，两种鼠对造林苗木均有侵害。
In the low-lying and wet-wetland, the rodent population was Microtus fortis + Apodemus agrarius. The feeding habits of Microtus fortis was mainly stem and leaf of green plants and grass roots, especially for the foods with high water content. Apodemus agrarius feeds on the stems and leaves of plants and turns into plant seeds and nuts after autumn, exhibiting preference for crops. After the winter, two kinds of rats on the afforestation seedlings are infringed.