棉田生态系统能流特征分析模型
(1)棉田初级生产者呼吸量𝑅模型：
式中，𝑊为棉株重量；∆𝑤/∆𝑡为单位时间内棉株重量的变化；𝑎,𝑏为棉株的呼吸常数；𝛼为氧卡系数。
(2)次级生产者呼吸量R模型：
式中，𝑛,𝑚分别为节肢动物的种类数和调查次数；𝑊𝑖,𝑘-1,𝑊𝑖,𝑘分别为第𝑖种𝑘-1次和𝑘次调查时的生物量；𝑅𝑖为第𝑖种的呼吸代谢率；𝛼，𝛽分别为氧卡系数和田间呼吸量修正值；𝑓(𝑇𝑘)为第𝑘次调查时温度系数的作用；𝐷𝑘为第𝑘-1次到第𝑘次调查时的时间间隔。
(3)土壤分解者呼吸量𝑅模型：
式中，𝑊为0~10cm深度的土壤干重；𝑅𝑘-1，𝑅𝑘分别为第𝑘-1次和第𝑘次测定时土壤呼吸强度；其他同上。
参考文献
戈峰，丁岩钦：棉田生态系统能流特征分析。生态学报，1996,16(3)
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