青海省都兰县天然草地有害生物调查
Investigation of Pest Species in Natural Grassland in Dulan County, Qinghai Province
本文对2023年都兰县天然草地有害生物进行调查,选用路线调查方法。结果为:全县草原有害生物发生面积26.2 hm2 × 104 hm2,危害面积为12.39 hm2 × 104 hm2。其中草原害鼠发生面积21.413 hm2 × 104 hm2,危害面积10.324 hm2 × 104 hm2;草原虫害发生面积3.333 hm2 × 104 hm2,危害面积1.5 hm2 × 104 hm2;草原毒草发生面积1.454 hm2 × 104 hm,危害面积0.566 hm2 × 104 hm2。主要有自然和人为原因,为此强化有害生物预警监测和草原综合治理力度,以达到控制草原有害生物的长效性。
In this paper, the pest of natural grassland in Dulan County in 2023 was investigated and the route survey method was selected. The results showed that the pest occurrence area was 26.2 hm2 × 104 hm2 and the harm area was 12.39 hm2 × 104 hm2. The pest area of grassland was 21.413 hm2 × 104 hm2 and the pest area was 10.324 hm2 × 104 hm2. The occurrence area of grassland pest was 3.333 hm2 × 104 hm2, and the damage area was 1.5 hm2 × 104 hm2. The occurrence area of toxic grass in grassland was 1.454 hm2 × 104 hm2, and the damage area was 0.566 hm2 × 104 hm2. The main causes were natural and man-made, so the early warning monitoring and comprehensive management of pests should be strengthened to achieve long-term control of grassland pests.
Dulan County / Natural grassland / Pests / Survey
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