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1 2019年秋季冻融期不同泥炭地类型土壤温度、含水量与无机氮含量的逐步多元线性回归分析
Table 1 Multiple linear stepwise regression analysis of soil temperature, moisture content and inorganic nitrogen concentrations in different peatland types during the whole autumn freeze-thaw period in 2019
无机氮类型泥炭地类型土深abR2P
浅层NH4+-N白毛羊胡子苔草10~20 cm含水量2.8220.1670.301<0.01
深层NH4+-N白毛羊胡子苔草20~30 cm含水量2.7920.1840.194<0.05
整体NH4+-N白毛羊胡子苔草10~20 cm含水量2.5380.1770.344<0.01
浅层NO3--N兴安落叶松-泥炭藓10~20 cm含水量2.119-0.0410.170<0.05