基于牧戶行為的草地管理模式——以西藏自治區(qū)為例
[Abstract]:Based on the theory of maximization of yield and profit, this study constructed a multi-selection model based on random sampling survey, discussed the difference of grazing decision among different types of herdsmen and the internal mechanism leading to overgrazing of herdsmen, and analyzed the income of herdsmen. The effects of factors such as scientific and technological extension of animal husbandry, grassland management input, concurrently business behavior and risk awareness of herdsmen on grazing decision-making were simulated. The willingness of overgrazing pastoralists to reduce livestock stock under different policy combinations was simulated. The results showed that: 1) the production decision of herdsmen was greatly influenced by the price of livestock products, however, the difference in the price of livestock products of different quality was small, which led to the herdsmen ignoring the quality of livestock products and pursuing the quantity of stock too much, which resulted in the failure of the policy of forbidding grazing in grassland; 2) the marginal tendency of yak feeding proportion to reduce livestock stock is the largest. If the proportion is increased by 1 unit, the livestock stock will be reduced by 5.684 units. Because of the more demand for yak raising grassland, it is sensitive to reduce the livestock stock. 3) most pastoral households tend to choose economic benefits, look for regional eco-economic development strategies which can effectively improve the participation of pastoral households and are the core of ecological protection and economic development strategy in Tibetan pastoral areas in the future.
【作者單位】: 中山大學(xué)地理科學(xué)與規(guī)劃學(xué)院廣東省城市化與地理環(huán)境空間模擬重點(diǎn)實(shí)驗(yàn)室;欽州學(xué)院資源與環(huán)境學(xué)院;南京農(nóng)業(yè)大學(xué)經(jīng)濟(jì)管理學(xué)院;南京農(nóng)業(yè)大學(xué)中國糧食安全研究中心;
【基金】:國家自然基金面上項(xiàng)目——生態(tài)系統(tǒng)服務(wù)認(rèn)知、農(nóng)戶行為選擇與生物多樣性保護(hù):路徑與反饋——以西藏高原為例(71573127) 國家社會(huì)科學(xué)基金重大特別委托項(xiàng)目——“西藏項(xiàng)目”:“十二五”期間西藏小城鎮(zhèn)建設(shè)與發(fā)展研究(XZ2112) 國家環(huán)保公益性行業(yè)科研專項(xiàng)項(xiàng)目——西藏地區(qū)生態(tài)承載力與可持續(xù)發(fā)展模式研究(201209032)
【分類號(hào)】:S812.5
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