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Sciences in Cold and Arid Regions ›› 2019, Vol. 11 ›› Issue (3): 248-252.doi: 10.3724/SP.J.1226.2019.00248.

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Risk prevention and control strategies for the severely affected areas of snow disaster in the Three Rivers Source Region (TRSR), China

ShiJin Wang1,ShengYun Chen1,2(),YanQiang Wei3   

  1. 1. State Key Laboratory of Cryospheric Science, Northwest Institute of Eco-Environment and Resources, Chinese Academy of Sciences, Lanzhou, Gansu 730000, China
    2. Qinghai Province Key Laboratory of Physical Geography and Environmental Process, Academy of Plateau Science and Sustainability, Qinghai Normal University, Xining, Qinghai 810008, China
    3. Key Laboratory of Remote Sensing of Gansu Province, Northwest Institute of Eco-Environment and Resources, Chinese Academy of Sciences, Lanzhou, Gansu 730000, China
  • Received:2019-04-05 Accepted:2019-05-30 Online:2019-06-30 Published:2019-07-01
  • Contact: ShengYun Chen E-mail:sychen@lzb.ac.cn

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Abstract:

Historically, frequent and heavy snow disaster (SD) has caused serious livestock death and casualties, resulting in a devastating impact on animal husbandry development in the Three Rivers Source Region (TRSR). From winter in 2018 to spring in 2019, the largest SD occurred in this area over the past 10 years, especially in core zones of the Lancang River Source Region. Field research results show that the main causes of the major SD include weak infrastructure (i.e., roads, communications, warm sheds, and insufficient forage reserve), low rate of domestic animals for sale before the SD, and low loss settlement rate. SD occurrence could furtherly reduce the ability of disaster prevention, mitigation and relief of disaster loss. In the future, heavily affected SD areas should improve the forecasting ability of snowfall incidents, strengthen infrastructure construction, implement grass and livestock balance strategies, optimize livestock structure, improve loss settlement rate, and develop a modern compound model of animal husbandry development model that combines breeding, slaughtering and deep processing of animal product.

Key words: Three Rivers Source Region, snow disaster, severely affected area, risk prevention, control strategy

Figure 1

Livestock deaths (a), disaster response (b) in Zaduo County, Yushu Autonomous Prefecture, China. Photoed by TV station of Yushu Autonomous Prefecture"

Figure 2

Inconveniet road network in Zaduo County, Yushu Autonomous Prefecture, China. Photograph by the staff of Zhaqing Township"

Wang SJ , Xiao CD , 2019. Global cryospheric disaster at high risk areas: impacts and trend. Chinese Science Bulletin, 64(4): 305-312. DOI: 10.1360/N972018-01124. (in Chinese)
doi: 10.1360/N972018-01124.
Wang SJ , Zhou LY , Wei YQ , 2019. Integrated risk assessment of snow disaster (SD) over the Qinghai-Tibetan Plateau (QTP). Geomatics, Natural Hazards and Risk, 10(1): 740-757.
Wang SJ , Wei YQ , Fang M , 2014. Integrated risk assessment of snow disaster in the Three Rivers Source Region, China. Acta Prataculturae Sinica, 23(2): 108-116. (in Chinese)
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