農学部研究紹介(英語)2022-2023
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27ABCDBCAACBDABC写真、図写真、図Togettheforestecosystemservicessustainablyinthechangingworld,theecologicalandreasonableforestmanagementisrequired.Torealizeourobject,wetrytounderstandthebehaviorofwoodyplants,thedynamicsofforestecosystemsandtheirBecauseforestecosystemsreactsluggishlytonaturaldisturbancesandhumanimpacts,andtheirresponsesaredifferentdependingonfieldcharacteristics,weadoptthreestrategiestheaccumulationofdatabasedonpracticalfieldworks,(3)comparisonofthefielddatawiththetheoreticalmodels.Longtermdynamics,Forestregeneration,Plantsociology,SilvicultureandForestSoils.InJapan,sediment-relateddisastersoccurfrequentlyduetobrisksedimentyieldandsedimentdischarge.Topreventdisastersaffectingourlivesandproperties,accuratepredictionofsuchdisastersisgreatlyneeded.Therefore,fordisasterprediction,itisnecessarytounderstandandmakeclearmechanismsofsedimentproductionandsedimentyield,andallprocessesthataffectslopestability,suchasrainfallinfiltrationandrunoff.Inourlaboratory,weconductresearchonmechanismsofsediment-relateddisasterssuchashillsideslandslidesanddebrisflowinmountainousareas,andrainfall-runoffprocesses,basedonfieldmeasurementsandexperiments,fromtheviewpointofdisasterpreventionandwatershedconservation.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.Effects of impact force caused by earthquake on slope stabilityField monitoring and impact assessment of trail erosion in the Kirigamine wetland in NaganoInfluence of tree root systems on vertical infiltration processesof rainwatersimplelong-termmonitoring,(1)(2)Exposed tree roots due to landslide implies the effect of forest on soil stability and its limitationStudies on the effect of forest on soil stability and its limitationLong-term monitoring site in natural oak forest in Hokkaido. Research on damaged tree. Long-term monitoring site in Kiso to examine the regeneration process of Hinoki cypress.Schematic of water samplingMonitoring of water in forest soil layerΦ5.0cmTetsuoOKANOProfessor,Ph.D.Shinya HIRAMATSUProfessor,Ph.D.•Hillslopestability•Hydrologic properties in forest soil•Landslidesmodel•Debrisflow•SedimentyieldRoot100cc CylinderDecayed rootEnvironmental Symbiosis Science DivisionEnvironmental Symbiosis Science DivisionLaboratory of SilvicultureLaboratory for Watershed Conservation

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