稻田多熟制生態(tài)種養(yǎng)系統(tǒng)碳匯功能與生態(tài)補(bǔ)償標(biāo)準(zhǔn)研究
[Abstract]:In this paper, carbon footprint analysis method is used to study the carbon sink function and ecological compensation standard of typical rice ecosystem in Hunan Province, which is the multi-cropping ecological system of paddy field, which is helpful to formulate ecological compensation suggestions for rice production system in Hunan Province. To promote the healthy development of the rice industry in Hunan Province and even throughout the country. The main results were as follows: (1) the average carbon sequestration capacity of the annual production system of double-cropping rice was 8172.Okg C.hm-2, and the dry matter of lkg per annual production system was equal to 0.621kgC. The average carbon sequestration capacity of the two-cropping rice production system per unit area was 7586.9 kg C.hm-2, and the dry matter per lkg production system was equal to that of 0.607kgC. (2) based on the unit area, the carbon sequestration capacity of the annual production system was 7586.9kgC.hm-2.The average carbon sequestration capacity of the annual production system was 7586.9kgC.hm-2. The early and late season carbon sinks of rice-duck ecological breeding system were 2105.83kgC/hm2 and 2674.29kgC / hm ~ 2, respectively. The early and late season carbon sinks of rice-fish ecological breeding system were 2044.72kgC/hm2 and 2555.1 OkgC/hm2., respectively. On the basis of yield per unit economy, the carbon sinks of rice-duck ecological breeding system and late season were 0.335kgC/kg and 0.390 kgC / kg, respectively, and the rice-fish ecological breeding system was early. The carbon sinks of rice and duck were 0.343kgC/kg and 0.392kg / kg / kg 路(3) respectively. (3) on the basis of unit area, the ecological breeding system of rice-duck was early, and the late season needed to compensate 526.5 yuan / hm2628.7 / hm2, early. Late quarter: $511.2 / hm2 and $638.8 / hm2. On the basis of yield per unit economy, rice and fish ecological breeding system needs to compensate 0.0856 yuan / kg,0.0981 / kg, early in late season and 0.0837 yuan / kg,0.0975 / kg. in late season, respectively.
【學(xué)位授予單位】:湖南農(nóng)業(yè)大學(xué)
【學(xué)位級別】:碩士
【學(xué)位授予年份】:2015
【分類號(hào)】:S181
【參考文獻(xiàn)】
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