沉积强度及氮养分改变对闽江河口短叶茳芏残体短期分解与养分释放的影响

陈冰冰, 孙志高, 王杰, 胡星云, 何涛, 王华

Effects of sedimentation and nitrogen variations on short-term decomposition and nutrient release of Cyperus malaccensis litters in the Minjiang River estuary

CHEN Bingbing, SUN Zhigao, WANG Jie, HU Xingyun, HE Tao, WANG Hua

表5 沉积强度及氮养分改变条件下养分累积指数（y）与主要因子（x）的回归方程

Tab. 5 Regression equations between nutrient accumulation index (y) and key factors (x) as the alterations of sedimentation and nitrogen nutrient

处理 养分累积指数 线性回归方程 R2 P S0 CAI y=-24.377+1.115x1+0.081x6 0.988 <0.01 NAI y=49.934+0.867x1-1.575x5 0.995 <0.01 PAI y=56.408-0.193x6+0.731x1 0.974 <0.01 SAI y=57.006+0.049x6+-0.459x8+0.914x1 0.996 <0.01 S5 CAI y=-0.654+1.279x1-0.01x6+0.133x8-57.94x9 0.993 <0.01 NAI y=60.394-0.01x6-1.514x5+0.768x1 0.998 <0.01 PAI y=141.117-0.247x6 0.986 <0.01 SAI y=52.716-1.92x5+1.851x4 0.898 <0.01 S5N CAI y=-4.19+1.153x1+0.192x8-47.753x9 0.985 <0.01 NAI y=65.185-1.751x5+0.768x1 0.997 <0.01 PAI y=61.012-0.167x6+0.805x1-0.112x8 0.993 <0.01 SAI y=54.738+0.029x6-0.371x8+0.863x1 0.996 <0.01