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首页> 外文期刊>農業気象 >Topographical Effects on Soil Respiration in a Deciduous Forest-The Case of Weathered Granite Region in Southern Kyoto Prefecture
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Topographical Effects on Soil Respiration in a Deciduous Forest-The Case of Weathered Granite Region in Southern Kyoto Prefecture

机译：落叶林地形对土壤呼吸的影响-以京都府南部的风化花岗岩地区为例

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摘要

We monitored soil respiration at a valley bottom and a ridge above that valley in an experimental forest and quantitatively estimated the effect of topography on soil respiration. Compared to the valley bottom, the ridge showed a lower rate of soil respiration in summer and a higher rate in winter; the seasonal difference was caused by soil drying in summer and soil warmth in winter. Both the valley bottom and ridge had annual soil respiration rates of approximately 6.2 tC ha(-1) year(-1). However, the annual value for the ridge included the estimated respiration acceleration due to warm soil temperature (0.68 tC ha(-1) year(-1)) and deceleration caused by soil drying (0.62 tC ha(-1) year(-1)).
机译：我们在实验性森林中监测了山谷底部和山谷上方山脊的土壤呼吸，并定量估算了地形对土壤呼吸的影响。与山谷底部相比，山脊在夏季的土壤呼吸速率较低，而在冬季则较高。季节差异是由于夏季土壤干燥和冬季土壤温暖引起的。谷底和山脊的年土壤呼吸速率均约为6.2 tC ha（-1）年（-1）。但是，山脊的年值包括由于温暖的土壤温度（0.68 tC ha（-1）年（-1））和土壤干燥引起的减速度（0.62 tC ha（-1）年（-1）引起的估计呼吸加速。 ））。

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