冀北山地草地禁牧與生物多樣性關(guān)系研究

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中圖分類(lèi)號(hào)：X171

文章編號(hào)：1674-6139（2025）05-0167-05

文獻(xiàn)標(biāo)志碼：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

冀北壩上是中國(guó)東部農(nóng)耕區(qū)與西部草原牧區(qū)相連接的重要生態(tài)過(guò)渡帶之一[1]，長(zhǎng)期開(kāi)展生態(tài)監(jiān)測(cè)是“山水林田湖草沙”一體化保護(hù)過(guò)程中履行生態(tài)環(huán)境監(jiān)管職能的具體體現(xiàn)。（剩余5027字）