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  • 简介:Thepapercameupwiththebasicprinciples,technologysystem,planningandforestgovernancesystemofclose-to-natureandvalue-orientedforestmanagementonthebasisofdiscussionsonitsconceptandtheoreticalfoundation,andfinallyintroducedinitialeffectsofclose-to-natureandvalue-orientedforestmanagementimplementedinHarbin.

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  • 简介:Restorationofmountainslopeforestsisoftenusedtoachieveoneoracombinationofthefollowingaims,includingincreasedproduction,soilprotectionandwildlifeconservation.Inthispaper,biodiversity-orientedsilviculturewasproposedasadesignprincipleinforestrestorationfromwhichstripcuttingofshrubswasusedastherestoringtechnologyofforests.MorethanlO-year-observationsandexperimentalresultsoftheafforestationpracticesintheupperreachesofMinjiangRiver,Sichuan,China,indicatedthatthetechnologywasfeasibleandhadmanyadvantages.Strip-cuttingofshrubsamelioratedmicroclimateconditions,improvedsoilnutriemlevelforthegrowthoftargettreespeciesandincreasedthephysicalsurvivalofpinespecies.Structuraldiversity,intermsofspecies,didnotincrease,butashrubspecieswasobservedtodifferentiatefromshrublayerandtendedtoformmixedforests.Preservebeltsofthetechnologyweresupposedtomeetpublicdemandsincludingbiodiversityconservationandsoilprotection,andactasabasicstageinecologicallyprogressivesuccession.ThepromisinginitialresultsindicatethatstripcuttingofshrubsmaybeaneffectivepracticeforforestrestorationintheupperreachesofMinjiangRiver,Sichuan,China.

  • 标签: 生物多样性 造林试验 岷江流域 森林恢复 森林建设