22Environmental Symbiosis Science DivisionLaboratory of Applied Plant Ecology and Landscape EcologyEnvironmental Symbiosis Science DivisionLaboratory of SilvicultureTetsuoOKANOProfessor,Ph.D.KumikoOKUBOProfessor,Ph.D.Longtermdynamics,Forestregeneration,Plantsociology,SilvicultureandForestSoils.Keywords;?Landscapeecology?Conservationecology?Plantecology?Vegetationmanagement?Alienplants?NaturalmonumentTogettheforestecosystemservicessustainablyinthechangingworld,theecologicalandreasonableforestmanagementisrequired.Torealizeourobject,wetrytounderstandthebehaviorofwoodyplants,thedynamicsofforestecosystemsandtheirBecauseforestecosystemsreactsluggishlytonaturaldisturbancesandhumanimpacts,andtheirresponsesaredifferentdependingonfieldcharacteristics,weadoptthreestrategiestheaccumulationofdatabasedonpracticalfieldworks,(3)comparisonofthefielddatawiththetheoreticalmodels.responsetothehumanactivity.inourlaboratory:Vegetation Structure and Dynamics: Different plant species and its population is a unit of the vegetation. The competitive and cooperative interactions among resource and environment will result in their relationships.Life History and its strategy of Woody Plants: Woody plants represent various shape and size. However, we can find the rules such as the pipe model, the elasticity model and so on. We try to integrate them under the concept of the metabolic ecology. Silviculture and Forest Management: The objects of silviculture have been changed in the history. We try to act the conservation biodiversity in artificial forest at low cost. We also try to success the recruitment of trees in disturbed or sasa-covered land.“Landscapeecology”aimstoproposeenvironmentalmanagementplansbyunderstandingtheinteractionofbiologicalandculturalcommunitieswithinthelandscape.Establishedin1997,thislaboratorytakesadvantageofthewonderfulfieldssurroundingourcampusandstudytheconservationofecosystemsandlandscapes.Biodiversity conservation and nature restoration in grasslands and wetlandsManagement of exotic plants and evaluation of their threat to the ecosystemEcological communities and landscape preservation in paddy fieldssimplelong-termmonitoring,(1)(2)ABCDABCACABDBC写真、図Long-term monitoring site in natural oak forest in Hokkaido. Research on damaged tree. 写真、図Long-term monitoring site in Kiso to examine the regeneration process of Hinoki cypress.写真、図Ex. 1 : Study site Kirigamine Highland grassland 写真、図Ex.2 :Study site Lake Suwa
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