模拟增温对高寒沙区生物土壤结皮-土壤系统呼吸的影响

赵河聚, 岳艳鹏, 贾晓红, 成龙, 吴波, 李元寿, 周虹, 赵雪彬

Effects of simulated warming on biological soil crust-soil system respiration in alpine sandy lands

ZHAO He-Ju, YUE Yan-Peng, JIA Xiao-Hong, CHENG Long, WU Bo, LI Yuan-Shou, ZHOU Hong, ZHAO Xue-Bin

表4 模拟增温下生物土壤结皮-土壤系统呼吸速率与0-5 cm层土壤温度间的回归关系及温度敏感性(Q₁₀)比较

Table 4 Regression relationship between respiration rate of the biological soil crust-soil system and soil temperature in the 0-5 cm layer under simulated warming and comparison of temperature sensitivity (Q₁₀) among different treatments

类型 Type	处理 Treatment	2017				2018
类型 Type	处理 Treatment	回归方程 Regression equation	R²	Q₁₀	p	回归方程 Regression equation	R²	Q₁₀	p
苔藓 Moss	CK	y = 0.389e^0.0489^x	0.36^**	1.61	0.001	y = 1.131e^0.0364^x	0.37^**	1.44	0.000
	OTC1	y = 0.612e^0.0422^x	0.37^**	1.53	0.008	y = 1.163e^0.0419^x	0.51^**	1.52	0.001
	OTC2	y = 0.546e^0.0405^x	0.53^**	1.50	0.000	y = 0.901e^0.047^x	0.45^**	1.60	0.000
	OTC3	y = 0.502e^0.0385^x	0.66^**	1.47	0.000	y = 1.009e^0.0519^x	0.58^**	1.68	0.009
藻类 Algae	CK	y = 0.103e^0.0667^x	0.76^**	1.95	0.001	y = 0.615e^0.0363^x	0.33^**	1.44	0.000
	OTC1	y = 0.090e^0.064^x	0.35^**	1.90	0.005	y = 0.554e^0.0445^x	0.27^**	1.56	0.004
	OTC2	y = 0.149e^0.0501^x	0.66^**	1.65	0.000	y = 0.361e^0.0519^x	0.40^**	1.68	0.000
	OTC3	y = 0.204e^0.0467^x	0.31^**	1.60	0.000	y = 0.522e^0.0567^x	0.49^**	1.76	0.000