CAJ | 학술논문

对大兴安岭白桦低质林以不同带宽（6、10、14、18 m）进行皆伐后，种植樟子松进行诱导改造，采用LI-8150多通道土壤碳通量自动测量系统对各诱导改造带以及对照样地的土壤呼吸进行试验分析。结果表明：白桦低质林诱导改造后土壤呼吸的日平均值和日变化幅度均高于对照样地；各诱导改造带的温度敏感指数（ Q10）值在2．25～5．53，总体趋势是随着带宽的增加Q10值升高，但与对照样地（Q10＝5．99）相比，均有不同程度的降低；各诱导改造带土壤呼吸的最适含水率在17．33％～19．11％，均低于对照样地的最适含水率（19．43％），且随着带宽增加，最适含水率降低；土壤呼吸受土壤温度和湿度的共同影响，但土壤温度比土壤湿度更能显著影响土壤呼吸，双因素模型优于仅考虑土壤温度或土壤湿度的单因素模型。
대대흥안령백화저질림이불동대관（6、10、14、18 m）진행개벌후，충식장자송진행유도개조，채용LI-8150다통도토양탄통량자동측량계통대각유도개조대이급대조양지적토양호흡진행시험분석。결과표명：백화저질림유도개조후토양호흡적일평균치화일변화폭도균고우대조양지；각유도개조대적온도민감지수（ Q10）치재2．25～5．53，총체추세시수착대관적증가Q10치승고，단여대조양지（Q10＝5．99）상비，균유불동정도적강저；각유도개조대토양호흡적최괄함수솔재17．33％～19．11％，균저우대조양지적최괄함수솔（19．43％），차수착대관증가，최괄함수솔강저；토양호흡수토양온도화습도적공동영향，단토양온도비토양습도경능현저영향토양호흡，쌍인소모형우우부고필토양온도혹토양습도적단인소모형。
Clear-cutting was executed in white birch low-quality forest of Daxing’an Mountain with different bandwidth (6 m, 10 m, 14 m and 18 m) , the induced transformation was performed by planting Pinus sywestris var.mongovica Litvin, and LI-8150 multi-channel soil carbon flux automatic measuring system was used to test and analysis the induced transformation zone and the check zone.Daily average value and variation range of soil respiration in the induced transformation zone are higher than that in the check zone.Q10 in the induced transformation zone is between 2.25 and 5.53, and the overall trend is: Q10 increases with the increasing of the bandwidth of induced transformation, but they are lower than those in the check zone (5.99) in different degrees.The optimum moisture content of soil respiration in the induction transformation zone is between 17.33%and 19.11%, less than that in the check zone (19.43%).With the increasing of the bandwidth, the optimum moisture content decreases.The soil respiration is influenced by soil temperature and moisture.Compared with the soil moisture, the soil temperature can affect the soil respiration more significantly, and the double factors model are better than either of the single factor model.