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		葡萄园生态系统碳源/汇及碳减排策略研究进展
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			Progress in studies of carbon source/sink and emission reduction strategies in vineyard ecosystem
			 
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		 图2. 葡萄园生态系统碳循环规律。箭头方向表示碳流向。GPP, 总初级生产力; NBP, 净葡萄园生物群生产力; NEP, 净葡萄园生态系统生产力; NPP, 葡萄净初级生产力; NR, 非生物呼吸消耗; Ra, 葡萄自养呼吸作用; Rh, 土壤呼吸。  | 
	
Fig. 2. Carbon cycling in vineyard ecosystem. The arrow indicates direction of carbon flow. GPP, gross primary productivity; NBP, net productivity in vineyard biota; NEP, net productivity in vineyard ecosystem; NPP, net primary productivity in vines; NR, non-biological respiration consumption; Ra, autotrophic respiration of vines; Rh, soil respiration.  | 
	
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