尼勒克县荒漠草地植物种类调查及分析

为了更好的保护尼勒克县荒漠草地植物资源，采用样方和植物踏查法对尼勒克县荒漠草地的植物种类进行调查研究。结果表明：尼勒克县荒漠草地有23科68属98种（亚种）植物，植物种类组成较丰富，有害植物少。藜科、菊科和禾本科为优势科，含有54种（亚种）植物；小型科和单科种类众多，单科植物有12种。按照经济类群划分，豆科植物占8.16%，禾本科植物占13.27%，藜科植物占27.55%，菊科植物占14.29%，莎草科植物占3.06%，杂类草占33.67%。按照饲用价值划分，优良占14.29%、良好占27.55%、一般占36.73%、差占16.33%、有毒占5.10%。

Investigation and Analysis of Plant Species in Desert Grassland in Nilka

To protect the plant resources of the desert grassland in Nilka, plant species of the desert grassland in Nilka were investigated through field investigation and making quadrat. The results show that: there are 98 plant species (subspecies) belonging to 68 genera of 23 families in the desert grassland in Nilka, and Nilka is rich in plant species, with little harmful plants. Chenopodiaceae, Composites and Poaceae are the dominant families with 54 plant species (subspecies); there are many species of small family and single family, including 12 plant species belonging to single family. Sorted by economic groups, Legumes, Poaceae, Chenopodiaceaes, Compositae, Sedge and mixed grasses account for 8.16%, 13.27%, 27.55%, 14.29%, 3.06% and 33.67%, respectively; sorted by feeding value, the percentage of excellent plants, good plants, general plants, low grade plants and poisonous plants is 14.29%, 27.55%, 36.73%, 16.33% and 5.10%, respectively.