大兴安岭多年冻土泥炭地无机氮动态对秋季冻融的响应
焦亚青, 宋立全, 臧淑英, 孙超峰, 鲁博权

Response of inorganic nitrogen dynamics to autumn freeze-thaw in permafrost peatlands of the Greater Higgnan Mountains
Yaqing JIAO, Liquan SONG, Shuying ZANG, Chaofeng SUN, Boquan LU
表2 2019年秋季冻融前期不同泥炭地类型土壤温度、含水量与无机氮含量的多元线性逐步回归分析
Table 2 Multiple linear stepwise regression analysis of soil temperature, water content and inorganic nitrogen concentrations in different peatland types during the prophase of autumn freeze-thaw period in 2019
无机氮类型泥炭地类型土深abR2P
浅层NH4+-N小叶章0 cm温度5.0942.2680.505<0.05
浅层NH4+-N兴安落叶松-泥炭藓5 cm温度1.5703.6320.685<0.05
深层NH4+-N白毛羊胡子苔草40~50 cm含水率0.2710.2160.520<0.01
整体NH4+-N小叶章0 cm温度5.0952.1980.664<0.05
浅层NO3--N兴安落叶松-泥炭藓0 cm温度1.287-0.1680.503<0.05