民勤干旱荒漠区不同植物群落特征及对土壤水分和养分的响应

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关键词植物群落；土壤含水量；养分；生物多样性；民勤干旱荒漠区

中图分类号X173文献标识码A

文章编号 0517-6611（2025）14-0073-05

doi：10.3969/j.issn.0517-6611.2025.14.015

开放科学（资源服务）标识码（OSID）：

Characteristics of Dierent Plant Communitiesand Their Responses to Soil Moistureand Nutrients inthe MinqinAridDesertArea YANG Su-rui，XUYa-juan，QIUXiaofeietal（MinqinLianAncientCityNationalNatureReserve Management Center，Minqin，Gansu 733399）

AbstractObeie]ofurtherexplorethrelationshiptweenthecharacteristicsofdifrentplantcommunitisandsoiloisturedu trientsintheariddesertareasofMinqinMethod]ThisstudyseletedsixtypicalcommunitytructureswithintheMinqinLianAncientCity NationalNatureRseeforomuityuctureivestigatiodalyutaeouslyoilplesreltedfrodinteta tion types across various soil layers（ 0-100cm ），and laboratory measurements were conducted to determine soil organic carbon，water content，ntrogenspus，ass，doticaldcalpopetidioalaisticalod，eosatiial， spatialaalyishqsompresilyplodtotesiaracestoflinydieatio shipwithvegomuis.sultsatediantdiesiomuitaracestdrs soiloisendrntsouhasoncelatoals，sfoudtategeslsureoetedl cant negative correlation with species dominance index （ P<0.01 ）anda significant negative correlation with species diversity index and evenness index （ P<0.05 ）.[Conclusion]Thisstudyprovidesatheoreticalbasisandreferenceforthescientificmanagementof plantcommunities in the arid desert areas of Minqin.

KeyWordsPlant communities;Soil moisture;Nutrient;Biodiversity;Minqin arid desert area

植被群落是某一地段上全部植物的综合，它拥有一定的种类组成和种间的数量比例，一定的结构和外貌，其中植物与植物、植物与环境间存在着一定的相互关系。（剩余8193字）