Abstract:

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.

Key words: Nilka County, desert grassland, plant species, abundance, feeding value