黄河三角洲典型滨海盐沼湿地土壤CO<sub>2</sub>和CH<sub>4</sub>排放对水盐变化的响应

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黄河三角洲典型滨海盐沼湿地土壤CO₂和CH₄排放对水盐变化的响应

李雪¹^,³^,⁴, 董杰³, 韩广轩¹^,², 张奇奇¹, 谢宝华¹^,², 李培广¹^,², 赵明亮¹^,², 陈克龙⁴, 宋维民¹^,²^,^*(

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Response of soil CO₂ and CH₄ emissions to changes in moisture and salinity at a typical coastal salt marsh of Yellow River Delta

LI Xue¹^,³^,⁴, DONG Jie³, HAN Guang-Xuan¹^,², ZHANG Qi-Qi¹, XIE Bao-Hua¹^,², LI Pei-Guang¹^,², ZHAO Ming-Liang¹^,², CHEN Ke-Long⁴, SONG Wei-Min¹^,²^,^*(

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图2. 土壤细菌群落样本距离热图(A)及非度量多维尺度分析(NMDS)分析图(B)。A中大写字母和数字代表土壤样品编号, B中大写字母和数字代表实验处理编号。S1, 9 g·kg^-1的土壤盐分; S2, 18 g·kg^-1的土壤盐分; W1, 25%的土壤饱和含水量; W2, 50%的土壤饱和含水量; W3, 75%的土壤饱和含水量; W4, 100%的土壤饱和含水量。

Fig. 2. Heat map of soil bacterial community sample distance (A) and non-metric multidimensional scaling (NMDS) analysis (B). In A, uppercase letters and numbers represent soil sample numbers; in B, uppercase letters and numbers represent the experimental treatment number. S1, 9 g·kg^-1 soil salinity; S2, 18 g·kg^-1 soil salinity; W1, 25% soil saturation moisture content; W2, 50% soil saturation moisture content; W3, 75% soil saturation moisture content; W4, 100% soil saturation moisture content.