• 主题
高级搜索  >
历史搜索 清空历史
首页> 外文期刊>Global change biology >Soil carbon stores in Nordic well-drained forest soils - relationships with climate and texture class
【24h】

Soil carbon stores in Nordic well-drained forest soils - relationships with climate and texture class

机译：北欧排水良好的森林土壤中的碳储量-与气候和质地类别的关系

获取原文
获取原文并翻译 | 示例
           
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

Soil organic carbon (SOC) pools in forest floors and mineral soil to a depth of 100 cm were determined in 234 well-drained Nordic forest soils from latitude 55-68degrees-N, and longitude 6-28degrees-E. The data were compiled in a database of Nordic forest soils, from literature, and sources of validated data the authors had access to. The SOC pool increased with both mean annual temperature (MAT) and mean annual precipitation (MAP), and the increase with MAT was more pronounced for coarse-textured soils than for medium-textured soils. Soil organic carbon in fine-textured soils was not correlated with MAT and MAP. Differences between texture classes were mainly due to different carbon stores in the upper 40 cm of the mineral soil and in the forest floor. The emphasis on well-drained soils eliminated the impact of hampered decomposition in hydromorphic soils. Large carbon accumulation in such soils probably explains the negative relationship between SOC and temperature reported in other studies. The increase in SOC with temperature and precipitation is interpreted as an indirect effect of higher net primary production. [References: 39]
机译：在北纬55-68度和东经6-28度的234种排水良好的北欧森林土壤中，确定了森林地板和100 cm深度的矿物土壤中的土壤有机碳（SOC）库。数据被收集在北欧森林土壤数据库中，这些文献来自文献以及作者可以访问的经过验证的数据来源。 SOC库随年平均温度（MAT）和年平均降水量（MAP）的增加而增加，与中质地土壤相比，粗质地土壤的SOC升高更为明显。质地较细的土壤中的有机碳与MAT和MAP不相关。质地类别之间的差异主要是由于在矿质土壤上部40厘米和林地中碳储量不同。对排水良好的土壤的强调消除了水溶土壤中阻碍分解的影响。在这样的土壤中大量的碳积累可能解释了其他研究报告的SOC和温度之间的负相关关系。 SOC随着温度和降水的增加而解释为较高的净初级生产的间接影响。 [参考：39]

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号