Soil respiration dynamics for different land-use types on the shoreline of Dongting Lake

TANG Jie; LI Zhi-hui; TANG Yu-xi; WU Min; LI Yong-jin; WANG Sheng

doi:10.11833/j.issn.2095-0756.2011.03.014

Volume 28 Issue 3

Jun. 2011

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TANG Jie, LI Zhi-hui, TANG Yu-xi, WU Min, LI Yong-jin, WANG Sheng. Soil respiration dynamics for different land-use types on the shoreline of Dongting Lake[J]. Journal of Zhejiang A&F University, 2011, 28(3): 439-443. doi: 10.11833/j.issn.2095-0756.2011.03.014

Citation:

TANG Jie, LI Zhi-hui, TANG Yu-xi, WU Min, LI Yong-jin, WANG Sheng. Soil respiration dynamics for different land-use types on the shoreline of Dongting Lake[J]. Journal of Zhejiang A&F University, 2011, 28(3): 439-443. doi: 10.11833/j.issn.2095-0756.2011.03.014

Soil respiration dynamics for different land-use types on the shoreline of Dongting Lake

doi: 10.11833/j.issn.2095-0756.2011.03.014

1.
College of Forestry，Central South University of Forestry and Technology，Changsha 410004，Hunan，China;
2.
Hunan Forestry Academy，Changsha 410004，Hunan，China;
3.
Forest Enterprise of Junshan District，Yueyang 410005，Hunan，China

More Information

Corresponding author: TANG Jie
Publish Date: 2011-06-20

Abstract

A variety of biotic and abiotic factors influence soil respiration. To contribute to a further understanding of soil respiration dynamics and to help provide an accurate calculation of carbon emissions，the relationship between soil respiration dynamics and environmental factors for three land-use types：reeds，farmland，and poplar forest，along the shoreline of Dongting Lake was field tested using an LI-8100 gas analyzer and analyzed for diurnal and seasonal changes in the soil respiration rate. A correlation analysis of the soil respiration rate among factors of near-surface temperature，0-5 cm soil moisture，0-5 cm soil temperature，and air humidity was conducted. Results showed that the dynamic performance of seasonal and diurnal changes in soil respiration were all single-peaked. Peak value times differed with the lowest value occurring about 5：00 A.M. Soil respiration intensity for land-use type was in the order：reeds poplars farmland with soil respiration rate exemely significantly correlated to near-surface temperature （P0.01），0-5 cm soil moisture （P0.01），and 0-5 cm soil temperature（P0.01）. Moreover，there was highly significant correlation between popular forest and air humidity. In total，soil respiration was synergied by soil temperature and 0-5 cm soil moisture（P0.05）.［Ch，2 fig. 3 tab. 11 ref.］
- soil science,
- shoreline,
- soil respiration,
- diurnal changes,
- seasonal change,
- soil temperature,
- soil moisture

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通讯作者: 陈斌, bchen63@163.com

1.
沈阳化工大学材料科学与工程学院沈阳 110142

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Soil respiration dynamics for different land-use types on the shoreline of Dongting Lake

1. College of Forestry，Central South University of Forestry and Technology，Changsha 410004，Hunan，China;

2. Hunan Forestry Academy，Changsha 410004，Hunan，China;

3. Forest Enterprise of Junshan District，Yueyang 410005，Hunan，China

Corresponding author: TANG Jie

Publish Date: 2011-06-20

Key words:

Abstract: A variety of biotic and abiotic factors influence soil respiration. To contribute to a further understanding of soil respiration dynamics and to help provide an accurate calculation of carbon emissions，the relationship between soil respiration dynamics and environmental factors for three land-use types：reeds，farmland，and poplar forest，along the shoreline of Dongting Lake was field tested using an LI-8100 gas analyzer and analyzed for diurnal and seasonal changes in the soil respiration rate. A correlation analysis of the soil respiration rate among factors of near-surface temperature，0-5 cm soil moisture，0-5 cm soil temperature，and air humidity was conducted. Results showed that the dynamic performance of seasonal and diurnal changes in soil respiration were all single-peaked. Peak value times differed with the lowest value occurring about 5：00 A.M. Soil respiration intensity for land-use type was in the order：reeds poplars farmland with soil respiration rate exemely significantly correlated to near-surface temperature （P0.01），0-5 cm soil moisture （P0.01），and 0-5 cm soil temperature（P0.01）. Moreover，there was highly significant correlation between popular forest and air humidity. In total，soil respiration was synergied by soil temperature and 0-5 cm soil moisture（P0.05）.［Ch，2 fig. 3 tab. 11 ref.］

Soil respiration dynamics for different land-use types on the shoreline of Dongting Lake

doi: 10.11833/j.issn.2095-0756.2011.03.014

Abstract

References

Proportional views

通讯作者: 陈斌, bchen63@163.com

Related

Proportional views