草地碳储量调查与核算技术规程免费下载

ICS65.020.01CCSB0415内蒙古自治区地方标准DB15/T3764—2024草地碳储量调查与核算技术规程Codeofpracticeforgrasslandcarbonstorageinvestigationandaccounting2024-12-18发布2025-01-18实施内蒙古自治区市场监督管理局发布DB15/T3764—2024I目次前言................................................................................III1范围...............................................................................12规范性引用文件.....................................................................13术语和定义.........................................................................14调查内容...........................................................................3调查指标.......................................................................3调查时间.......................................................................3调查频次.......................................................................35样地布设...........................................................................3布设原则.......................................................................3样地数量.......................................................................4样方设置.......................................................................45.3.1样方布设...................................................................45.3.2样方数量...................................................................45.3.3样方面积...................................................................46植被取样...........................................................................4植被地上生物量.................................................................4枯落物生物量...................................................................4植被地下生物量.................................................................47土壤取样...........................................................................5碳含量测定样品.................................................................57.1.1采样深度...................................................................57.1.2土壤取样...................................................................57.1.3土壤回填...................................................................5土壤剖面样品...................................................................57.2.1土壤剖面...................................................................57.2.2土壤容重...................................................................57.2.3土壤砾石含量...............................................................57.2.4剖面回填...................................................................68碳含量分析.........................................................................6样品制备.......................................................................68.1.1植物样品...................................................................68.1.2土壤样品...................................................................68.1.3样品粉碎...................................................................6碳含量测定.....................................................................68.2.1有机碳含量.................................................................6DB15/T3764—2024II8.2.2土壤无机碳含量..............................................................69碳储量核算.....................................................