Tag Archives: Volume_32

Decision Support System for a Flash Flood and Landslide Warning System in an Upper Watershed: A Case Study at Mae Wang Watershed, Chiang Mai Province

To save people’s lives, the Decision Support System (DSS) for a flash flood and landslide warning system in an upper catchment of the Mae Wang watershed was developed involving the development of the methodology, models, and locations of the warning system. A general package radio service (GPRS) system was determined to be the most suitable and was selected. It used ... Read More »

Radial Variation of Microfibril Angle and Cell Wall Thickness in Eucalyptus camaldulensis Clones

Five superior clones and seedling of Eucalyptus camaldulensis at Sakaew plantation site in the eastern part of Thailand were selected for determining radial variation of microfibril angle, cell wall thickness. Results revealed that microfibril angle across the radial gradient of every samples slightly decreased with fluctuation from pith to bark but on the other hand, cell wall thickness steadily increased ... Read More »

Climatic Signals Derived from the Growth Variation and Cycles of Pinus merkusii in Easternmost Thailand

Pinus merkusii is one of tropical tree species that have been proven for dendroclimatic studies. In the last 10 years, most of the tree-ring research on P. merkusii has focused on the northern region of Thailand. Our study site was a pine stand located on a rock cliff in the easternmost region of Thailand (latitude 150 31’N and longitude 1050 ... Read More »

Morphology of some Bamboos Commonly Used in Lao PDR

Bamboos have provided a variety of raw materials and products widely used in Lao PDR for centuries.  Their diversity often makes people confused particularly in local and botanical names.  This study aimed to use the morphological procedure to identify some bamboos commonly used in the country.  Three study sites (Oudomxay province, Vientiane Capital, and Champasak province) representing the Northern, Central, ... Read More »

The Functional Structures of a Rubber-based Agroforestry System

This study aimed to determine the functional structure of a rubber-based agroforestry system (RBAS).  The methodology of this study consisted of a literature review, field survey and nine farmer interviews, a focus group of 30 informants and data analysis. The results exposed three functional structures of RBAS: 1) economic functions, composed of the four sub-functions of various and even incomes, ... Read More »

Effects of Acid Types and pH Levels on the Glass Stain Retardability and Properties of Glass Interleaving Paper

The objectives of this study were to determine the effects of treated acid and the pH level of interleaving paper on its glass stain retardability and properties. Handsheets of interleaving paper were treated with two factors consisting of acid type and pH level.  Two types of weak acid and one strong acid provided by Teppatana Paper Mill Co., Ltd., i.e., ... Read More »

Analysis of Forest Canopy Density Using Remotely Sensed Data: A Case Study in Chiang Mai Province

Forest canopy density provides important information indicating the health of the forest and biomass. vThis study aimed: 1) to use satellite images from LANDSAT-5 TM to analyze the forest canopy density; 2) to compare the forest canopy density derived from satellite images with field survey data using a fish-eye lens; and 3) to delineate the forest canopy density in Chiang ... Read More »

Comparison of Soil Loss Estimation based on USLE, MMF and RMMF Models in Nam Chun Watershed, Lom Sak District, Phetchabun Province

Soil loss estimation was conducted in the Nam Chun watershed, Lom Sak district, Phetchabun province.  The experimental plots on the soil loss were constructed on different land uses consisting of 1 plot of up-and-down plowing, 2 plots of sweet corn, 2 plots of sweet tamarind and 3 plots of mixed forest plantation. The observed sediment was examined in the area ... Read More »

Factors Affecting People Participation in Forest Resource Conservation in Salakpra Wildlife Sanctuary, Kanchanaburi Province

The objectives of this research were to determine the socio-economic characteristics of people, the level of people participation and factors affecting people participation in forest resource conservation in the Salakpra Wildlife Sanctuary, Kanchanaburi province.  Data collection was conducted using designed questionnaires to interview 344 household heads.  A statistical software package was employed to calculate the percentage, mean, standard deviation, t-test ... Read More »

People Participation in Forest Fire Control at Mae Tuen Plantation, Thong Far Subdistrict, Ban Tak District, Tak Province

The objectives of the study were to investigate socio-economic characteristics, people participation and factors affecting people participation in forest fire control in the Mae Tuen plantation area, Thong Far subdistrict, Ban Tak district, Tak province. The data were collected using designed questionnaires to interview 308 household heads.  Statistics used in the data analysis comprised frequency, percentage, mean, standard deviation, maximum, ... Read More »