DB15-T 3683-2024 草地碳汇计量与监测术语

15TermsformeasuringandmonI 3 本文件按照GB/T1.1—2020《标准化工作导则第1部分：标准化文件的结构和起草规则》的规定1草地碳汇计量与监测术语本文件适用于草地碳汇监测与评估工程及相关领域GB/T40451、DB15/T2379界定的以及下列术语和定义适用于本文2碳固持carbonsequestr将大气中的二氧化碳等温室气体通过各种方式长期储存于地球系统中，以减少大气中的温室气体3一个地区在一定时间内由人类活动直接或间接产生的温室气体排放总量，通过植树造林等措施抵3.2草地碳汇术语人类提供优良生活环境及牧草和其他多种生物产品，是多功能的土地—生物资源和草业生产基植物群落生物量plantcommunity地上现存生物量abovegroundstandin4草地总初级生产力grossprimaryproductivityof或固定的总能量，又称总第一性生产力，常用单位为g/m2、kg/m2或t草地净初级生产力netprimaryproductivityof地上净初级生产力abovegroundnetprimaryprod地下净初级生产力belowgroundnetprimaryprod草地净生态系统生产力netecosystemproductivityof草地生态系统中，净初级生产力中减去异养生物呼吸消耗光合产物之后的部分，常用单位为g草地总生态系统生产力grossecosystemproductivityof碳总量，常用单位为gC/m2/s或gC草地生态系统碳交换ecosystemcarbonexchangeof单位时间单位面积草地生态系统碳的输入与输出过程，主要包括植物光合作用固定的碳和生态系统呼吸释放的碳，常用单位为gC/m2/s或g5净生态系统碳交换netecosystemcarbon单位时间单位面积草地生态系统从大气中吸收的碳通量与向大气释放的碳通量的净平衡值，是总生态系统生产力与生态系统呼吸的差值，常用单位为gC/m2/s或gC/h生态系统呼吸ecosystemresp草地土壤微生物grasslandsoilmicro草地生态系统植物通过光合作用吸收大气中的二氧化碳，并将其转化为有机物质储存在植物体内草地固碳潜力carbonsequestrationpo6在特定条件下，草地生态系统通过自然过程或人为管理措施所能吸收和储存大气中二氧化碳的最退化草地修复degradedgrasslandre退化草地恢复或接近原有草地生态功能和生产功能草地施肥grasslandfer7在一定区域一定时间内，草地上家畜放牧利用轻重的程地面碳汇监测ground-basedcarbonsink过遥感监测可以了解草地生态系统对大气中二氧化碳的吸收和储存能力，评估草地生态系统固碳速率8草地固碳潜力核算accountingforgrasslandcarbonsequestratio对一定范围和一定时间内的草地生态系统可能达到最大固碳能力（最大固碳速草地固碳速率核算accountingforgrassland草地碳汇评估grasslandc库差法stock-differencea用来评估草地生态系统碳储量变化的方法，通过计算两个时间点之间碳库的储量变化来估算碳的利用微气象原理估算垂直风速与物质或能量脉动的协方差，是可以直接测量草地植被冠层与大气9要清楚描述项目区域边界，在项目核查时应向第三方认证机构提供每个独立的地块地理坐起的项目边界内温室气体排放的增加量，也称为实际净温室气体其定量认证科学基础[J].地理科学进展,2011,30(7):[8]生态系统固碳项目技术规范编写组.出版社,2021[2024-07-16].https://wChange[R].Cambridge:CambridgeUniversityPress,C采食量..........................................................................4草地.............................................................................草地补播.........................................................................草地固碳.........................................................................草地固碳潜力.....................................................................草地固碳潜力核算.................................................................草地固碳速率.....................................................................草地固碳速率核算.................................................................草地净初级生产力................................................................0草地净生态系统生产力............................................................3草地生态系统碳交换..............................................................5草地施肥.........................................................................草地碳汇评估.....................................................................草地土壤动物....................................................................0草地土壤微生物..................................................................1草地总初级生产力.................................................................草地总生态系统生产力............................................................4地面碳汇监测.....................................................................地上净初级生产力................................................................1地上生物量.......................................................................地上现存生物量...................................................................地下净初级生产力................................................................2地下生物量.......................................................................放牧强度........................................................................7割草............................................................................0划区轮牧........................................................................3基线情景........................................................................2基线碳汇量......................................................................4季节性放牧......................................................................1禁牧.............................................................................净生态系统碳交换................................................................6枯落物...........................................................................库差法...........................................................................连续放牧........................................................................2模型法...........................................................................人工草地.........................................................................生态系统呼吸....................................................................7碳储量.............................................................................3.1.4碳固持............................................................................3.1.12碳含量.............................................................................3.1.5碳汇...............................................................................3.1.2碳计量............................................................................3.1.16碳库...............................................................................3.1.3碳密度.............................................................................3.1.6碳排放............................................................................3.1.14碳源...............................................................................3.1.1碳中和............................................................................3.1.15碳足迹............................................................................3.1.13天然草地.........................................................................土壤碳库...........................................................................3.1.7土壤无机碳.........................................................................3.1.8土壤有机碳.........................................................................3.1.9土壤有机碳储量....................................................................3.1.10土壤有机碳密度....................................................................3.1.11退化草地修复.....................................................................围栏封育.........................................................................3.涡度相关法.......................................................................箱式法...........................................................................项目边界........................................................................1项目减排量......................................................................6项目情景........................................................................0项目碳汇量......................................................................3泄漏............................................................................5休牧.............................................................................遥感碳汇监测.....................................................................异养呼吸........................................................................9载畜量..........................................................................5载畜率..........................................................................6植物群落生物量...................................................................自养呼吸........................................................................3.2.1abovegroundbiomass..............................................................abovegroundnetprimaryproductivity............................................3.2.abovegroundstandingcrop........................................................accountingforgrasslandcarbonsequestrationpotential................accountingforgrasslandcarbonsequestrationrate........................actualnetgreenhousegasremovalbysinks.....................................artificialgrassland.............................................................autotrophicrespiration.........................................................8baselinenetgreenhousegasremovalbysinks....................................3.2baselinescenario...............................................................2belowgroundbiomass..............................................................belowgroundnetprimaryproductivity............................................2carbonaccounting.................................................................3.1.16carboncontent.....................................................................3.1.5carbondensity.....................................................................3.1.6carbonemission...................................................................3.1.14carbonfixationofgrassland.....................................................3.2.carbonfixationrateofgrassland................................................3.carbonfootprint..................................................................3.1.13carbonneutrality.................................................................3.1.15carbonpool........................................................................3.1.3carbonsequestration..............................................................3.1.12carbonsequestrationpotentialofgrassland................................carbonsink........................................................................3.1.2carbonsource......................................................................3.1.1carbonstorage.....................................................................3.1.4carryingcapacity...............................................................5chambermethod...................................................................continuousgrazing..............................................................2degradedgrasslandrestoration...................................................3.ecosystemcarbonexchangeofgrassland.......................................ecosystemrespiration...........................................................7eddycovariancemethod...........................................................enclosure........................................................................forbiddengrazing................................................................grassmowing....................................................................0grassland........................................................................grasslandcarbonsinkassessment.................................................grasslandfertilization..........................................................grasslandsoilfauna............................................................0grasslandsoilmicroorganisms...................................................1grazingintensity...............................................................7grossecosystemproductivityofgrassland.......................................4grossprimaryproductivityofgrassland..........................................ground-basedcarbonsinkmonitoring..............................................heterotrophicrespiration.......................................................9intake..........................................................................4leakage.........................................................................5litter...........................................................................modelmethod.....................................................................naturalgrassland................................................................netanthropogenicgreenhousegasremovalbysinks...............................6netecosystemcarbonexchange...................................................6netecosystemproductivityofgrassland...................................