冀北山地草地禁牧与生物多样性关系研究

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中图分类号：X171

文章编号：1674-6139（2025）05-0167-05

文献标志码：B

Study on Relationship between Grazing Prohibition and Biodiversity in Mountainous Grasslands in Northern Hebei Province

Wang Fei 1，2 ，WuDan 1，2 ，Xing Zhixian1，²，Zhou Jing1，²，LiuKesi2，3 （1.Hebei Province Ecological Environment Monitoring Center，Shijiazhuang O5Oo37，China; 2.NationalEcologicalQualityComprehensiveonitoringStationofAgroastoralEcotoneiBshangHebeiGuyuanO655，China; 3.School of Grassland Science and Technology，China Agricultural University，Beijing 1Oo193，China）

Abstract：Inodertounderstandtheimpactofenclosureandgazingprohbitiononbiodiversityinmountainousgrassandsinheag riculturalpastoraltrasition，thissudyalydgetatiospecsompositionopulatiodaicsndinteraalfuctatio since2016.Thechanges inspeciesrichnessanddominantspeciesbeforeandafterenclosureandgrazingprohibitionmeasuresweresynchronouslycalculatedTheresearchresultsindicatetattherewerechangesinbodiversityanddominantspeciesbeforeandaftertheen closureandgrazingban.Afterimplementingenclosuremeasures，thecommunityheight，coverage，productivity，andbiodiversityinthe studyareancreasedrapidlyButwithfurtherenclosreandgrazigproibition，lantitercontinuestoaccuulateintesudyareao ganicmatercontentincreasesandsomegrassfamilyplantsedlingsarecoveredbydeadbranchesandleavesThegrassandplantommunitycontinestundergrogesiveuesionwiteominancoferenializomatouslantsicreasing，aalbceos plantsdecreasingondisappearingndiolocalcssdreasingeanilLeyusinensisaduallsuassSiaa as the dominant species.

Keywords：northern Hebei；grassland；encirclement；grazing prohibition；biodiversity

前言

冀北坝上是中国东部农耕区与西部草原牧区相连接的重要生态过渡带之一[1]，长期开展生态监测是“山水林田湖草沙”一体化保护过程中履行生态环境监管职能的具体体现。（剩余5027字）