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Wildfire Risk Assessment in Liangshan Prefecture, China Based on An Integration Machine Learning Algorithm
frequency ratio MCD64A1 Bayesian optimization support vector machine random forest extreme gradient boosting
2023/11/30
Previous wildfire risk assessments have problems such as subjectivity of weight allocation and the linearization of statistical models, resulting in generally low robustness and low generalization abi...
Serological and Epidemiological Studies of Parapoxvirus Infection in Cattle in Ishikawa Prefecture
agar gel immunodiffusion test bovine papular stomatitis virus orf virus
2011/2/24
A survey of antibodies against parapoxvirus species bovine papular stomatitis virus (BPSV) was conducted by agar gel immunodiffusion (AGID) test on 750 serum samples collected from cattle in Ishikawa...
“The Commons” Play an Important Role in the “Endogenous Development” of a Mountain Village -A Local Production for Local Consumption and a Beautiful Townscape in Kaneyama-town,Yamagata Prefecture -
local commons local residents local resources
2010/10/25
Western-style monophyletically extrinsic economic development, that has been a model for Japan
and South Korea, is leading to a deterioration of the global environment and depletion of resources. Nat...
Characteristics of Nutrient Eluviation of Soils Planted with Japanese Apricot (Prunus mume Sieb. et Zucc.) Tree in Wakayama Prefecture
cation lysimeter nitrogen soil type
2010/11/24
Soil types of a Japanese apricot farm in Wakayama prefecture are generally classified into brown earth, yellow soil, gray lowland soil and lithosol. This experiment investigated the characteristics of...
Water Pollution of Irrigation Ponds in Kagawa Prefecture and Possible Alleviation by Increasing the Amount of Water
total nitrogen criteria value simulation excavation inflow and outflow
2009/9/10
We analyzed the degree of pollution of the water in irrigation ponds in part of Kagawa prefecture and simulated the amount of nitrogen in water to evaluate the beneficial effect of dredging and excava...
Developing Methods for Estimating Forest Areas under Article 3.4 of the Kyoto Protocol:A Case Study on Private Lands in Gifu Prefecture,Japan
forest register forest under Article 3.4 Kyoto Protocol silvicultural practices
2009/8/28
This study aims to develop a methodology to account for and identify forests under Article 3.4 of the Kyoto Protocol (forests under Art. 3.4), and then to calculate forest area under Art. 3.4. Forests...
Estimation of Root Biomass and Root Surface Area in a Broad-leaved Secondary Forest in the Southern Part of Kyoto Prefecture
allometric relationships broad-leaved secondary forest root biomass root diameter root surface area
2009/8/27
Root biomass and surface area were estimated using two methods in a broad-leaved secondary forest in southern part of Kyoto Prefecture. Root systems (n=6) were dug out as samples. Dry weights and diam...
Improved Yield Prediction Information for Sugi (Cryptomeria japonica) Plantations Applied to Long-rotation Management in Kagoshima Prefecture
long-rotation management site quality curve stand-density control diagram sugi (Cryptomeria japonica) plantations yield table
2009/8/27
To predict the yield of sugi (Cryptomeria japonica) plantations on a long rotation in private forests in Kagoshima Prefecture, the stand-density control diagram, site quality curve, and yield table we...
Structure and Growth in an Old-growth Sugi (Cryptomeria japonica) Forest in Akita Prefecture,Northeastern Japan
old-aged forest old-growth sugi forest periodic annual net increment stand structure thinning operation
2009/8/27
Periodic annual net increment of stand volume and stand structure dynamics were analyzed by using data collected in long-term monitoring during a 77-year period in a sugi (Cryptomeria japonica) natura...
Analyzing Annual Rings to Evaluate Past Growth of Natural Cryptomeria japonica Trees in Sado Forest Reserve,Akita Prefecture,Northeastern Japan
Cryptomeria japonica disturbance growth natural Cryptomeria japonica forest regeneration
2009/8/27
We investigated past growth of trees within a natural stand of Cryptomeria japonica in Sado Forest Reserve, Akita Prefecture, northeastern Japan, relating to temporal changes in environmental conditio...
Basidiomycetous Fungi Associated with Butt Rot Disease of Cryptomeria japonica in the Aso District,Kumamoto Prefecture,Japan
basidiomycetes butt rot disease Cryptomeria japonica Kumamoto Prefecture weight loss
2009/8/27
To clarify the causal fungus of butt rot disease of Cryptomeria japonica (Sugi), we isolated basidiomycetous fungi from decayed stumps in 12 plantations 40 to 83 years old in the Aso district, Kumamot...
The Relationship between Slope Position and Stand Structure of an Old Chamaecyparis obtusa Plantation in Northern Kyoto Prefecture,Japan
L-function old-aged forest plantation slope thinning
2009/8/24
We analyzed the size and spatial distribution of trees in relation to slope position in a 90-year-old Chamaecyparis obtusa plantation, which has never been thinned. The study plot was on a steep slope...
A Forest Management Plan for a Sustainable Forest Management A Study of Forestry in Kuma-cho,Ehime Prefecture,Using a Forest Resources Prediction Model
forest resources prediction model Kuma-cho Ehime Prefecture normal forest rotation sustainable forest management
2009/8/24
It is necessary to establish stable timber production in order to have a sustainable forest. We investigated the stabilizing effect of two forest management policies: transformation into a normal fore...
Quality of Japanese Wheat Grains:III. Relationship of flour and starch qualities to cultivar, producing prefecture, and grade
Amylose Cultivar (Domestic wheat) Domestic wheat Grade (Domestic wheat) Producing prefecture Wheat starch
2009/8/6
In order to study the relationship of flour and starch qualities to cultivar, producing prefecture, and grade, 46 domestic wheat samples of 17 cultivars and 8 imported wheat samples were tested. Domes...
Comparison of Yield Characters among the Native Varieties of White Azuki Bean(Vigna angularis)in Akita Prefecture
Vigna angularis Native variety Regional variation Growth habit Yield characters
2009/8/5
To clarify the varietal characteristics in an native variety of white azuki bean ( Vigna angularis), of endemic name "Shiro azuki", ten strains collected from various parts of Akita prefecture were cu...