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4 2019年秋季冻融后期小叶章泥炭土壤温度与无机氮含量的多元线性逐步回归分析

Table 4 Multiple linear stepwise regression analysis of soil temperature and inorganic nitrogen concentrations in the XY peatland during the anaphase of autumn freeze-thaw period in 2019

无机氮类型 泥炭地类型 土深 a b R2 P 整体NH4+-N 小叶章 10 cm温度 7.590 1.895 0.691 <0.05 浅层NO3--N 小叶章 15 cm温度 -1.451 3.516 0.589 <0.05