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Accuracy of Structure from Motion models in comparison with terrestrial laser scanner for the analysis of DBH and height influence on error behaviour
hand-held digital camera point cloud stem optimization image segmentation photogrammetry
2016/9/2
With the advantage of Structure from Motion technique, we reconstructed three-dimensional structures from two-dimensional image sequences in a circular plot with a radius of 6 m. The main objective of...
Micro-level determinants of woodland conversion to arable lands and implications for policy in Eastern Nigeria: A Factor-Factor Analysis
Factor-factor analysis woodland conversion determinants forest conversion land-use change
2011/1/12
The study empirically examined the micro-level determinants of woodland conversion to arable lands in the Sub-Saharan Region of Africa, taking Eastern Nigeria as an example. This is informed by the in...
Development and Validation of a Method of Forestry Region Classification Using PCA and Cluster Analysis together with the SOM Algorithm
cluster analysis Principal Component Analysis regional classification Self-Organizing Maps algorithm ward method
2009/8/28
It is said that forestry is affected by many complex factors such as geographic or the economic factors. So we must consider carefully when we study the activity of the total Non-Industrial Private Fo...
Influence of the Definition of Water-year Period on Discharge-duration Analysis Focused on Low Flow:In the Case of the Tatsunokuchi-yama Experimental Watershed
contribution ratio discharge-duration analysis discharge-duration curve water-year
2009/8/27
From our examination which used the published data observed in the Tatsunokuchi-yama Experimental Watershed, it was concluded that May 1 is the most suitable day for the first day of the water-year in...
An Analysis of Managed Private Forest Focusing on the Expansion of Lands under the Article 3.4 of the Kyoto Protocol
forest plan forest register forest under the Article 3.4 of the Kyoto Protocol subsidy
2009/8/24
This study aims to estimate the managed private forest lands under the article 3.4 of the Kyoto Protocol (FM lands) with respect to age class, ordinary and protection forest type using the administrat...
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...