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Growth of Abies sachalinensis Along an Urban Gradient Affected by Environmental Pollution in Sapporo, Japan
air pollution climate change implications oxides urbanity tree growth
2024/3/4
Urban tree growth is often affected by reduced water availability, higher temperatures, small and compacted planting pits, as well as high nutrient and pollution inputs. Despite these hindering growth...
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...
Development of a Meteorological Database System for University Forests in Japan
database meteorological observation university forests XML
2009/8/27
Meteorological data is necessary for long-term ecological research. A readily accessible database of meteorological data observed at individual facilities and study sites would assist researchers. The...
A Beginning of LTER in Japan:Approach from Forest Science。
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...
Analysis of Stem Growth Pattern in Japanese Cedar (Cryptomeria japonica) Trees in a Natural Forest in Akita,Northeastern Japan
annual increment of basal area annual increment of volume natural Japanese cedar stem analysis thinning
2009/8/25
The pattern of growth in 10 Japanese cedar (Cryptomeria japonica) trees (age 162 to 255 years) located within a natural forest was analyzed using ring-width data. These trees showed a rapid increase i...
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...
Spatial Variations in Needle Nitrogen Content in Sugi (Cryptomeria japonica D. Don) Plantations across Japan
Cryptomeria japonica Gi*(d) statistics needle nitrogen content spatial variation temperature
2009/8/24
For a general assessment of the nitrogen status of sugi plantations in Japan, we measured nitrogen content in the needles of sugi (Cryptomeria japonica D. Don) trees growing at 531 sites across the co...
Influences of Forest Type,Topography,and Understory on Infiltration Rates in Eastern Hokkaido,Japan
Abies sachalinensis artificial disturbance conifer plantation Larix kaempferi forest road system
2009/8/24
The effects of forest type, topography, and understory vegetation on infiltration rates were investigated in the Tokoro and Abashiri River watersheds, in eastern Hokkaido. This study was performed in ...
Gas Exchange Analysis for Estimating Net CO2 Fixation Capacity of Mangrove (Rhizophora stylosa) Forest in the Mouth of River Fukido,Ishigaki Island,Japan
CO2 fixation Gas exchange Mangrove Photosynthesis Respiration Temperature modification
2009/7/23
Mangrove trees have been considered to possess a higher carbon fixation capacity than terrestrial trees although a reliable method to estimate their CO2 fixation capacity has not been established. In ...
Temporal and Vertical Variations in Photosynthetic Drivers in Mangrove Canopies,Okinawa,Japan
Air temperature Carbon dioxide Mangrove forest Tidal inundation Vertical and diurnal variations Water vapor
2009/7/21
The mangrove is characterized by the subdaily fluctuations of tidal inundation and, importantly, has many sources of CO2 such as autotrophic and heterotrophic respiration and marine organisms. For the...
Amount and availability of forest biomass as an energy resource in a mountainous region in Japan: a GIS-based analysis
forest biomass case study mountainous region GIS harvesting and transporting cost Japan
2009/2/7
Feasibility of energy utilization of forest biomass in a mountainous region in Japan has been discussed with the aid of a geographic information system (GIS). In this study, logging residues, thinne...