择伐对小兴安岭地区针阔混交林土壤呼吸温度敏感性的影响

doi:10.11707/j.1001-7488.20110316

Scientia Silvae Sinicae ›› 2011, Vol. 47 ›› Issue (3): 102-106.doi: 10.11707/j.1001-7488.20110316

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Effect of Sensitivity of Soil Respiration to Soil Temperature in a Conifer-Broadleave Forest in Xiaoxing’an Mountain after Select Cutting

Meng Chun, Wang Lihai, Shen Wei

Key Laboratory of Forest Sustainable Management and Environmental Microorganism Engineering of Heilongjiang Province, Northeast Forestry University Harbin 150040

Received:2009-03-30 Revised:2010-03-08 Online:2011-03-25 Published:2011-03-25

Abstract

Abstract:

By using LI8100, measured the soil respiration rate and soil temperature in a conifer-broadleave forest in Xiaoxing’an Mountain. By using the model of Q₁₀, the author studied the sensitivity of soil respiration rate to soil temperature. The result showed that after select cutting Q₁₀ value were higher than that in no cutting land. Higher intensity select cutting(60%,71%) made high sensitivity of soil respiration to soil temperature. This phenomenon was the result of the response of three partitioning respiration to soil temperature. Litter layer respiration had less sensitivity to soil temperature. Root respiration and mineral respiration had higher sensitivity to soil temperature.

Key words: select cutting, soil respiration rate, soil temperature, Q₁₀

CLC Number:

S718.51⁺6

Meng Chun;Wang Lihai;Shen Wei. Effect of Sensitivity of Soil Respiration to Soil Temperature in a Conifer-Broadleave Forest in Xiaoxing’an Mountain after Select Cutting[J]. Scientia Silvae Sinicae, 2011, 47(3): 102-106.

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Effect of Sensitivity of Soil Respiration to Soil Temperature in a Conifer-Broadleave Forest in Xiaoxing’an Mountain after Select Cutting

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