天山中段南麓拜城草原植物种类调查

Preliminary investigation of plant species in Baicheng grassland

采用样方和植物踏查法对天山南坡拜城县种羊场天然草地植物种类进行调查研究。结果表明,该区域天然草地植物有28科73属82种植物组成。按生活型分,高位芽植物(PH)占3.66%,地上芽植物(CH)占17.07%,地面芽植物(HK)占47.56%,地下芽植物(C)占12.20%,一、二年生植物(T)占19.51%。按经济类群分,豆科占9.76%、禾本科占15.85%、菊科占14.63%、藜科占9.76%、莎草科占1.22%、杂类草占48.78%。按牧草营养价值分,优良占20.73%、良好占28.05%、一般占25.61%、差占13.41%、有毒植物占12.20%。植物种类组成丰富,灌木少,有毒有害植物少,优势种营养丰富、适口性好,是品质较好的牧场。

Plant species of Baicheng sheep breeding pasture which is located in southern foot of Tianshan Mountains were investigated through field investigation and making quadrat. The results showed that there are 82 plant species belonging to 73 genera of 28 families in this area. Phanerophytes（PH）, chamaephytes（CH）, hemicryptophyte（HK）, cryptophytes（C） and therophytes（T） are 3. 66%, 17. 07%, 47.56%, 12. 20% and 19. 51%, sorted by life form. Legumes, grasses, composites, chenopodiaceae, cyperaceae and forbs are 9. 76%, 15. 85%, 14. 635%, 9. 76%, 1. 22% and 48. 78%, sorted by economic groups. The percentages of excellent plants, good plants, general plants, bad plants and poisonous plants are 20.73%, 28. 05%, 25.61% and 13.41%, sorted by nutritional values. Baicheng Grassland is rich in plant species, with little bushes and poisonous plants, and its dominant plant species are palatable and abundant in nutrients. So it is a good pasture.