西湖景区观赏树木受赤腹松鼠啃咬危害的生态学研究

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中图分类号：S764.5 文献标识码：A 文章编号：2095-5774（2025）04-0375-08

Abstract：【Object】In order to reduce the growth inhibition，aesthetic damage and tourist safety of ornamental trees in scenic area caused by the bite of Callosciurus erythraeus.【Method】A field investigation was conducted tostudythetypesoftreespecies bittenbyred-belliedsquirrls inthe scenicarea，the bitten parts and thenumberof bites.Acomparative biteexperiment wasalsocariedoutto study the preference of red-belled squirels for different tres.【ResultTheresults showed that Acer palmatum，Osmanthus fragrans and Cinnamomum camphora were the most widely biten inthe natural environment.There were less gnawing wounds on the trunk and most gnawingwoundson thetertiary branches.Theabsolutenumber of gnawing woundsperplant was thehighest among Sapindusmukorosi，andthescoreofthenumberofgnawing woundsperplant wasthehighestafterscoring，indicating that the proportion of gnawing wounds was high.Therelationship between DBHand wound size was diferent among Acer palmatum，Osmanthus fragransand Camphoraoffcinarumand Metasequoia glyptostroboides.【Conclusion】Innatural conditions，Calosciurus erythraeusprefer tognawontheteriary branchesof Acerpalmatum，Osmanthus fragrans and Camphora ofcinarum.Underartificial breeding conditions，theyprefer to gnawon Ginkgo biloba，Aesculus chinensis and Metasequoiaglyptostroboides.Toprovidetheoreticalreferencesforthecontrolandmanagementofpreventing thedamageof Callosciurus erythraeus to ornamental trees in scenic area.

Keywords：Calosciurus erythraeus; lake scenic spot; endangered tree species; gnawed condition

赤腹松鼠（Callosciuruserythraeus）是国家“三有”保护动物，在生态系统中承担种子传播和维持生物多样性的功能。（剩余7810字）