Research Results 2020

• The production of Sueki ware had a major impact on forests
• The amount of water consumed by understory vegetation determines the tree leaf area in dry deciduous forests
• The world's first wood brews and liquors were unique in taste and aroma compared to existing alcohol beverages
• Merely converting from leguminous acacia to non-leguminous eucalyptus does not reduce N₂O emissions in the short term
• Two species of Bursaphelenchus nematodes have been detected from a cerambycid beetle obtained in the pine-wilt frontline area
• A 10-year harvest experiment reveals factors that affect the biomass yield of willow
• (PRESS RELEASE) Soil potassium determining radiocesium absorption in Konara oak - A new clue to determine available mushroom log forests
• Monsoon breaks are key factors to understand summer monsoon rainfall in Cambodia
• (PRESS RELEASE) The appearance of forests in the early Showa era comes back to life
• Radiocesium concentration depends on the height of branches and leaves in a canopy
• The growth of trees planted on tide embankments differs greatly depending on the tree species and wind conditions
• Concentrations of radiocesium in branches and leaves show seasonal changes
• Turnover of fine roots changes the distribution of radiocesium in soil decades later
• The production rate of fine roots in mangrove forests differs significantly by tree species
• The growth of oak seedlings was enhanced by using spore fluid from Boletus reticulatus
• New lines of male sterile sugi discovered using DNA markers
• Simple methods for analyzing the development of male sterility in sugi (Cryptomeria japonica)
• When sika deer want to eat leaves in high places, they break stems
• A non-destructive method has been developed to distinguish between softwood and hardwood in historical wooden statues
• Implementing a methodology for feeding wood materials into a hopper increases the efficiency of wood chip production
• Creating polymer raw materials from wastewater produced during wood pulp manufacturing
• Discovery of a new type of virus that infests major occurrences of larvae of the Japanese peppered moth
• Small forest plots cannot be identified from Global Forest Maps
• Vessels inside broadleaved trees attempt to store water without relying on surrounding cells
• Protecting cherry blossom trees by injection
• Preventing deer browsing damage is necessary to produce high biomass yield in a short rotation coppice willow
• Research for different impressions on "appearance "of cutting areas, and utilizing them in forest management
• The canopy height of forests can be estimated with a high degree of accuracy using multi-seasonal optical satellite images
• A method estimating leaf biomass is applicable for forests at different slope positions
• Identification of genes that are involved with the acclimation of Japanese cedar (Cryptomeria japonica) to heat stress
• Dry treatment of container-grown seedlings of Japanese cedar increases their tolerance to drought
• The cultivation of short-rotation willow is becoming practical through the use of agricultural mulch
• Responses of tree roots to waterlogging stress are categorized into 3 types
• Distribution of radiocesium in stem wood differs by species and vertical position, diameter, and moisture content of stem
• The growth of Japanese beech seedlings was promoted by rising concentrations of CO₂ in an air pollution environment
• Growth condition differences between two Japanese truffle species
• The elucidation of the metabolic control system of bacteria that convert low-molecular-weight lignin into value-added chemicals
• Seeds of trees are not dispersed very far
• Clarifying the origin of the forest planning system in Japan
• (PRESS RELEASE) Sleeping soundly with warm wooden interiors
• Utilizing chlamydospores of Tricholoma bakamatsutake to form mycorrhizas in trees
• Fog containing radiocesium covered mountain forests immediately after the Fukushima Daiichi Nuclear Power Plant accident
• Speeding up the evaluation of fire-retardant-treated and surface-coated wood that is highly resistant to weathering
• Depicting the high-resolution risk map of pine wilt disease useful for disease risk prevention and management
• The genetic diversity of Pandanus boninensis is determined by such factors as the age and location of islands it has migrated to
• Forests are good filters for turbid water, but the clogging of soil with suspended solids degrades that function
• Caution is needed to prevent labor accidents, even when using high-performance forest machines
• Spatial aggregation of fruiting trees within a landscape
• The masting intervals of acorns have shortened over the past 40 years
• Field experiments to investigate the response of water use of emergent trees in a tropical rainforest to drought conditions
• Maintaining the soundness of multi-storied plantations is extremely difficult
• Safer use of beams with large cross-sections
• Deforestation is further accelerating in Myanmar due to increasing population and economic development
• Even long logs can be transported efficiently out of mountainous sites
• Strip roads can be identified using Artificial Intelligence (AI)
• Japanese white-colored truffles- similar to Italian white truffles but with a different aroma
• Medium-sized mammals carried seeds of dogwood trees farther than birds did
• Improved logging system for long, large-diameter trees in planted forests
• (PRESS RELEASE) The Compatibility of Biodiversity Conservation and Greenhouse Gas Mitigation Activities
• Foresters in Germany cultivate knowledge and skills via on-site experience
• Estimating Information Regarding Past Tsunamis from Tsunami Sedimentation Deposits
• (PRESS RELEASE) Predicting the future dynamics of radioactive cesium in forests based on latest observation data and model
• Poverty reduction measures as an effective solution to deforestation in the tropics
• MRI showed the water flow in the snow
• (PRESS RELEASE) The concentration of radioactive cesium in wild mushrooms varies by species
• Production of fuel gas and industrial raw materials from wood by microbial energy
• When and why does tree height growth begin to slow down? The importance of reproductive onset
• Scarification is effective for restoring Sakhalin fir plantations to natural birch forest post-harvest with limitations
• Discovery of a tree pathogen responsible for decline of lacquer tree plantations
• In the case of an extremely large freshet, the proportion of nitrogen runoff in particulate components becomes tremendously high
• Seasonal and regional variations in monoterpene emission rate of Japanese cedars after ozone exposur
• Animals who pass through, who do not pass through, and who break three types of deer fences