北京玉渊潭樱花健康等级评价.pdfVIP免费

http：//bnxb・cbpt.cnki.netdoi：10.13473/j.cnki.issn.1002-3186.2023.0218北京农学院学报2023,38(2)：99-104JournalofBeijingUniversityofAgriculture北京玉渊潭樱花健康等级评价赵爽，刘珍，尹舰霏，邹迎新，王晓琪（北京玉渊潭公园，北京100037）摘要：【目的】科学评价北京玉渊潭公园樱花（Ces亦spp.）健康状况，为一线养护提供数据支撑。【方法】运用层次分析法从观赏价值、生态适应性、抗性3个方面制定出11个评价指标，对20种樱花进行综合评价。【结果】建立了玉渊潭樱花健康综合评价体系，并划分为I级优良（4.00〜5.00分）、II级较好（3.50〜3.99分）、IE级一般（3・00〜3.49分）、W级较差（2.00〜2.99分）、V级差（1・00〜1.99分）5个健康等级，调查的樱花样树中I级占31.9%,II级占25.7%,IE级占26.6%,W级占14.9%,V级0.9%o【结论】樱花整体上表现为健康、生长良好，但仍需加强养护管理力度，较差、差的樱花需要进行后期复壮，甚至换树。关键词：樱花；健康评价；层次分析法；北京；玉渊潭中图分类号:S731.2文章编号=1002-3186（2023）02-0099-06文献标志码：AOnhealthlevelevaluationofCerasusinBeijingYuyuantanParkZHAOShuang,LIUZhen,YINJianfei,ZOUYingxin,WANGXiaoqi(BeijingYuyuantanPark,Beijing100037,China)Abstract:[Objective]ToscientificallyevaluatethehealthstatusofCerasusappliedinBeijingYuyuantanPark,andtoprovideda­tasupportforfirst-lineconservation.[Methods]Theanalytichierarchyprocess(AHP)wasusedtodevelop11evaluationinde­xesfromthreeaspectsofornamentalvalue,ecologicaladaptabilityandresistance>andcomprehensivelyevaluateCerasusof20species.[Results]AcomprehensiveevaluationsystemforthehealthstatusofCerasusinYuyuantanwasestablishedanddividedintofivehealthgrades:excellentgradeI(4.00-5.00points),goodgradeU(3.50-3.99points),fairgradeHI(3.00-3.49points),poorgradeIV(2.00-2.99points)andpoorgradeV(1.00-1.99points).SurveyofCerasusliketrees,gradeIaccoun­tedfor31.9%,gradeIIaccountedfor25.7%,gradeHIaccountedfor26.6%,gradeIVaccountedfor14.9%andgradeVac­countedfor0.9%.[Conclusion]TheCerasusarehealthyandgrowingwellonthewhole,buttheconservationandmanagementshouldbestrengthened.ThepoorandpoorCerasusneedtoberejuvenatedandreplaced.Keywords：；healthevalua...