冀北山地草地禁牧與生物多樣性關系研究
打開文本圖片集
中圖分類號：X171
文章編號：1674-6139（2025）05-0167-05
文獻標志碼：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)過渡帶之一[1]，長期開展生態(tài)監(jiān)測是“山水林田湖草沙”一體化保護過程中履行生態(tài)環(huán)境監(jiān)管職能的具體體現(xiàn)。（剩余5027字）