川西北沙化治理现状及治理区划

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1、)I西北沙化治理现状及治理区划摘要：川西北共有沙化土地82.19万hm【sup】2【/sup】,2007〜2010年共计投入资金7000万元，建设沙化治理示范区8040hm【sup】2【/sup】.文章以最新沙化监测数据为基础，总结出一套适合川西北的流动沙地、半固定沙地、固定沙地和露沙地治理模式，针对不同的沙地类型选择了封育、种草、植灌、沙障等模式.结合川西北沙区分布的流域、地形地貌、沙化成因、气候等因素，遵循地域连贯性原则进行了治理区划，划分出黄河水系白河、黑河流域重点沙化治理区、长江水系雅砻江流域重点沙化治理区以及长江水系大渡

2、河流域、长江水系崐江流域、长江水系雅砻江流域一般沙化治理区，并提出了各治理区的治理方案.关键词：沙化治理；治理模式；治理区划；川西北中图分类号：S728.4;P931.3文献标识码：A文章编号：1671-3168(2011)03-0122-05DesertificationGovernanceandItsGovernanceRegionalizationinNorthwestSichuanLIUShuo【sup】1【/sup】,CAIFan-long【sup】1【/sup】，YANGJian-yong【sup】l【/sup】，LIC

3、hang-sheng【sup】2【/sup】,YANGKai-xuan【sup】3【/sup】(1.SichuanInstituteofForestryInventoryandPlanning,Chengdu610081,China2.WenchuanForestryBureau,Wenchuan,Sichuan623000,China3.MianhuForestryStationofWenchuanCounty,Wenchuan,Sichuan623000,China)Abstract:Therearetotal821,900hm

4、【sup】2【/sup】desertificationlandinNorth-westShichuan,from2007to2010,governmentinvestedtotaled70,000,000yuantobuiltdesertificationgovernancedemonstrationareaof8040hm【sup】2【/sup】•Basedonlatestdesertificationmonitoringdata,wesummarizedagovernancemodelsuitableforNorthwestSi

5、chuanflowsandy,semifixedsandy,fixedsandyandLucillesandy,fordifferentsandytypeschosenfencing,grassplantirrigation,sandbarrieretcmodes.AccordingtothefactorsofNorthwestSichuansandzonedistributionwatershedonlandform,desertificationcauses,climate,andfollowedtheprincipleofge

6、ographicalcoherence,governanceregionalizationhasbeenconducted,dividedYellowwatershedPaihoRiver,HeihewatershedandYangtzeRiverYalongwatershedaskeydesertificationgovernancezones,andYangtzeRiverDadubasin,YangtzeRiverMinjiangbasin,YangtzeRiverYalongRiverasgeneraldesertifica

7、tioncontrolarea.Governanceprogramsforeachgovernancezonehavebeenproposed.Keywords:desertificationgovernancegovernancemodelgovernanceregionalizationNorthwestSichuan收稿日期:2011-04-15.基金项目：川西北防沙治沙应用技术研究及示范.作者简介：刘朔（1981男，四川开江人，硕士,工程师.主要从事森林培育和林业调查规划工作.省略川西北位于四川省西部，地处青藏高原东南缘，包

8、括四川省甘孜藏族自治州的全部18个县，阿坝藏族羌族自治州的全部13个县，共计31个县，总面积23.7万km【sup】2【/sup】.2009年川西北沙化土地面积达82.19万hm【sup】2【/sup】，占全省沙化土地的89.9%【s