国道(nh-22)扩建对山地生态系统土壤碳储量影响评价

Q4 Environmental Science

Pollution Research Pub Date : 2023-01-01 DOI:10.53550/pr.2023.v42i02.014

S. Banyal, R. Aggarwal, S. Bhardwaj

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引用次数: 0

摘要

本研究旨在分析国道(NH-22)绕道(Shoghi - Shimla - Dhali)扩建活动对土壤碳含量的影响。根据距离将研究区域划分为四个相等的站点，即站点1、站点2、站点3和站点4。研究区表层土壤有机碳含量在0.40% ~ 1.29%之间。季风后土壤有机碳最高，为0.79%，季风前土壤有机碳最低，为0.70%。随着离公路距离的增加，土壤有机碳呈增加趋势。季风后土壤碳储量最高，为15.20 Mg C ha -1，季风前土壤碳储量最低，为14.70 Mg C ha -1。土壤碳储量在距离公路0 ~ 10 m、10 ~ 20 m和10 ~ 20 m范围内随距离公路的增加而增加。

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ASSESSMENT OF EFFECT OF NATIONAL HIGHWAY (NH-22) EXPANSION ACTIVITIES ON SOIL CARBON STOCK IN MOUNTAINOUS ECOSYSTEM

The study was conducted to analyse the impact of national highway (NH-22) bypass (Shoghi - Shimla - Dhali )expansion activities on soil carbon content. The study area was divided into four equal sites based on distances viz. Site 1, Site 2, Site3 and Site 4. The surface soil organic carbon in the study area lies in between range of 0.40 per cent to 1.29 %. The highest soil organic carbon of 0.79 % was registered in the post-monsoon season and lowest of 0.70 % was recorded in the pre-monsoon season. The soil organic carbon followed an increasing trend with the increasing distance from the highway. The highest soil carbon stock of 15.20 Mg C ha -1 was registered in the post-monsoon season and lowest of 14.70 Mg C ha -1 was recorded in the pre-monsoon season. The data further revealed that the soil carbon stock increased with the increase in distances from the highway at distances of 0-10 m, 10-20 m and > 20 m.

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Pollution Research Environmental Science-Water Science and Technology

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期刊介绍： POLLUTION RESEARCH is one of the leading enviromental journals in world and is widely subscribed in India and abroad by Institutions and Individuals in Industry, Research and Govt. Departments.