Laboratory for Forest, Soil and Water ConservationHiroshiONOAssistantProfessor,Ph.D.Research Keywords;Erosion control,Forest hydrology,Physical properties of forest soil,Soil aggregate of forest,Soil and water ConservationTheLaboratoryforForest,SoilandWaterConservationprovideseducationalandresearchprogramsrelatedtothepublicuseofforests,preventionofnaturaldisasters,waterconservation,environmentalconservation,andrecreation.Forest, soil and water Conservation of mountainous areaABCDABCMonitoring of runoff from mountainous watershedsThe difference of structure of forest soil (left: single grain structure, right: crumb structure)The role of mountainous forests and soil in the hydrological cycle and water conservationThe effect of aggregate development on physical properties of forest soil28Environmental Symbiosis Science DivisionLaboratory of SilvicultureTetsuohSHIROTAAssistantProfessor,Ph.D.Treearchitecture,Lifehistoryofwoodyplants,Populationecology,Biodiversity,NaturalregenerationEcologicalandreasonableforestmanagementisrequiredtoreceivetheecosystemservicessustainablyinthechangingworld.Torealizeourobject,wetrytounderstandthebehaviorofwoodyplants,forestecosystems'dynamics,andtheirresponsetohumanactivity.Becauseforestecosystemsreactsluggishlytonaturaldisturbancesandhumanimpacts,andtheirresponsesaredifferentdependingonfieldcharacteristics,weadoptthreestrategiesinourlaboratory:(1)longtermecosystemmonitoring,(2)accumulationandanalysisoftheempiricalfielddata,(3)comparisonthefielddatawiththetheoreticalmodels.LifeHistoryanditsstrategyofWoodyPlants:Woodyplantsrepresentvariousshapesandsizes.However,wecanfindrulessuchasthepipemodel,theelasticitymodel,etc.Wetrytointegratethemundertheconceptofmetabolicecology.ABCDABCWe have monitored the vegetation structure in the thinned Japanese cypress forest for 20 years.Vertical transition pattern of vegetation from cool temperature zone to one of subalpine zone response to the global warming.VegetationStructureandDynamics:Differentplantspeciesandtheirpopulationisaunitofthevegetation.Thecompetitiveandcooperativeinteractionsamongresourcesandtheenvironmentwillresultfromtheirrelationships.SilvicultureandForestManagement:Theobjectsofsilviculturehasbeenchangedinhistory.Wetrytoacttheconservationbiodiversityinanartificialforestatalowcost.Wealsotrytosucceedintherecruitmentoftreesindisturbedorsasa-coveredland.Environmental Symbiosis Science Division
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