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May 21, 2018

Research Results

To clarify the influence of tree thinning on the runoff amount from a forest on a catchment scale 新着

May 7, 2018

Research Results

Cerambycid diversity is influenced to a greater extent by geographical region than by forest type

April 16, 2018

Research Results

Vertebrates can transport highly toxic Japanese star anise seeds

April 9, 2018

Research Results

Allocation of nitrogen for the production of beech nuts

April 9, 2018

Research Results

Nitrogen distribution throughout the canopy can be explained by sunlight from sunflecks

April 4, 2018

Research Results

A subspecies of Audubon's Shearwater in the Ogasawara Islands found to be a cryptic species based on DNA analysis

March 30, 2018

Publications

Bulletin of FFPRI, Vol.17 No.1 (No.445)

March 20, 2018

Research Results

Wood treated with fire-retardant coating maintains fireproof performance and color even after outdoor exposure for five years

March 20, 2018

Research Results

Radioactive cesium retained in forest soils is associated with organic particles

March 5, 2018

Research Results

The possible risk of pine wilt disease being spread by Monochamus grandis in northern regions

February 15, 2018

Research Results

To Develop Technique for Reducing Radiocesium Contamination of Trees

February 8, 2018

Research Results

Seasonality and in-situ interspecific competition among tree species were critical

February 6, 2018

Research Results

Effects of forest machine operation on black soil that easily becomes muddy

February 1, 2018

Research Results

Automatic device for extracting increment cores from large trees for dendrochronological purposes

January 25, 2018

Research Results

A method for estimating species richness and densities by distinguishing imperfect detection and temporary movement

January 24, 2018

Research Results

Development of a technology for selective breeding of Matsutake mushroom using heavy particle beams

January 22, 2018

Research Results

New approach for pine wilt prevention technology: elucidation of conditions for the emergence of dispersal nematodes

January 18, 2018

Research Results

Slow recovery after deforestation in heath forests in Cambodia

December 27, 2017

Research Results

Natural drying of fuel logs: a model for estimating the number of days required for drying

December 25, 2017

Publications

Bulletin of FFPRI, Vol.16 No.4 (No.444)

December 25, 2017

Research Results

Radionuclides are more abundant in forest edges

December 22, 2017

Research Results

Wood density and water content of dry tropical forest do not differ with different forest types and tree sizes

December 15, 2017

Research Results

Radiocesium dynamics within forest ecosystems following the Fukushima Daiichi Nuclear Power Plant accident

December 7, 2017

Research Results

Importance of surrounding broadleaf forests for seedling diversity in monoculture plantations

October 26, 2017

Research Results

Areas at risk of pine wilt disease spreading globally due to climate change

October 26, 2017

Research Results

Genetic diversity of Amami rabbits and prospects for population recovery following decimation by mongooses

October 4, 2017

Research Results

Typhoons are the biggest factor causing tree death in a lucidophyllous forest in Miyazaki Prefecture

September 25, 2017

Research Results

Newly revealed sensitivity of the Japanese honeybee to various insecticides —establishment of a toxicology testing method―

September 11, 2017

Research Results

Things you should be careful about while collecting edible wild plants from areas with radioactive cesium

August 24, 2017

Research Results

Considering variations in leaf respiration is important for estimation of annual canopy respiration

August 22, 2017

Research Results

Increases in radiocesium concentrations and stocks in soil based on the concentration of stemflow from tree trunks

August 22, 2017

Research Results

Tropical forests have colorful squirrel species that can be distinguished based on fur color

August 10, 2017

Research Results

Changes in the functional composition of tree communities along successional gradients after land-use change across Japan

August 7, 2017

Research Results

Proposing a method to determine the sex of a plant based on the pollen count of the soil

August 1, 2017

Research Results

Why are landslides caused by rain prone to occur after earthquakes?

August 1, 2017

Research Results

Sawlog characteristics have greatly affected the direction of development of the sawmilling industry

August 1, 2017

Research Results

Remote operations and automatic drive function make a forwarder’s work more convenient

August 1, 2017

Research Results

Differences in soil fauna between coniferous plantations and deciduous forests are not only due to soil quality differences

July 28, 2017

Research Results

Throughfall drop size distributions: a look into the hydrology and biogeochemistry of forests

July 27, 2017

Research Results

Environmental factors that determine the distribution of soil carbon stocks in Japanese forests

July 25, 2017

Research Results

Predicting the future expansion of the distribution of Blakiston’s fish owl

July 21, 2017

Research Results

Harvest of logging residues on steep slope decreases the water-retention capacity of forest soil

July 21, 2017

Research Results

Data mining techniques to improve the accuracy of predicting global soil carbon distribution

July 11, 2017

Research Results

Presentation of design target values for wood school and office building floors in terms of walking vibration

July 11, 2017

Research Results

Rainwater storage by the tree surface is a key mechanism governing interception loss