DB51I 2 3 3 5 5 5 6 8 9本文件按照GB/T1.1—2020《標準化工作導(dǎo)則第1部分：標準化文件的結(jié)構(gòu)和起草規(guī)則》的規(guī)定本文件由四川省市場監(jiān)管局提出、歸口、解釋并組1石漠化綜合治理技術(shù)規(guī)程GB6000主要造林樹種苗木質(zhì)量分級GB/T16453.1水土保持綜合治理技術(shù)規(guī)范坡耕地GB/T16453.4水土保持綜合治理技術(shù)規(guī)范小型蓄LY/T1557名特優(yōu)經(jīng)濟林跡地建設(shè)技LY/T2829喀斯特石漠化山地經(jīng)濟林栽植技LY/T2994石漠化治理監(jiān)測與評石漠化綜合治理comprehensivemanagementofrockydesertific24石漠化評判標準4.1石漠化土地a)植被綜合蓋度<50%的喬木林地和灌木林地；b)植被綜合蓋度<70%的草地；4.2石漠化程度劃分及評判標準4.2.1評價指標分級及權(quán)重I10~25>4016~25無10~304.2.2評價指標計算4.2.2.1單項指標計算I4.2.2.2綜合指數(shù)計算3SI=∑1AiBi············································4.2.3石漠化等級評定a)輕度石漠化：SI<1.5；a)保護優(yōu)先與建管并重相統(tǒng)一；b)工程措施與林草措施相結(jié)合；輕度石漠化土地宜營建經(jīng)濟林或草地，輔以引水工程、坡改梯和生產(chǎn)便6.1.2.1范圍a)樹種選擇：參照附錄A，篩選當(dāng)?shù)剡m生、經(jīng)濟價值高的優(yōu)良種源。裸根苗應(yīng)使用GB6000和DB/T705規(guī)定的Ⅰ、Ⅱ級苗木，容器苗參照LY/T1000執(zhí)行；4c)種植與管理：采用撒播、穴播、條播等方法，播種后應(yīng)及時覆土，播種深度由種子的大小和包括引水渠、蓄水池、沉砂池，工程規(guī)模因地塊大小、形狀和立地條件而異，參照GB/T16453.46.2.2.1范圍a)樹種選擇：參照附錄A，篩選當(dāng)?shù)?05規(guī)定的Ⅰ、Ⅱ級苗木，容器苗應(yīng)參照LY/T1000執(zhí)行；包括坡改梯、蓄水池、引水渠和沉砂池，技術(shù)措施參照6.15極重度石漠化土地宜采用“全封”的封育措施，參照GB/T15包括外業(yè)調(diào)查和治理措施設(shè)計等環(huán)節(jié)，調(diào)查設(shè)計見附9檔案管理61Alnuscremastogyne2Camelliaoleifera3Cerasuspseudocerasus4Choerospondiasaxillaris5樟Cinnamomumcamphora6Cinnamomumpauciflorum7Coriarianepalensis8Cryptomeriajaponica9CunninghamialanceolataCupressusfunebrisEriobotryajaponicaErythrinavariegataFicustikouaHylocereusundulatusIdesiapolycarpaJuglansregia桃JuglansregiaLiquidambarformosanaMangiferaindicaMucunasempervirensPhyllanthusemblicaPinusarmandiiPinusyunnanensisPlatycaryastrobilaceaPyruscalleryana李PrunussalicinaPsidiumguajavaPyracanthafortuneanaQuercusacutissimaRhuschinensisRobiniapseudoacacia7ToonaciliataTrematomentosaVerniciafordiiVitexnegundoZanthoxylumbungeanum81Agrostisclavata2Avenasativa3Cynodondactylon4Dactylisglomerata5Eragrostispilosa6Elymusbreviaristatus7Elymusdahuricus8Elymussibiricus9ElymusnutansFestucaelataFestucaovinaFestucarubraFestucasinensisImperatacylindrica芒MiscanthussinensisPoaannuaPogonatherumpaniceumSchizachyriumdelavayiAstragalussinicusAstraga