Tag Archives: Volume_32_Number_2

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 »

Effect of Rainfall and Land Use Changes on Potential Stream Flow of Upper Nam Ngum River Basin, Lao PDR.

The purposes of this study were to investigate the land use change by the percentage of forest area and used the moving average as 1, 3, 5, 10, 15 and 20 years to determine the variability of rainfall and stream flow volumes.  The potential stream flow was applied to a specific water yield formula.  Simple linear regression was applied in ... Read More »

Role of High School Students in Environmental Quality Rehabilitation Case Study at Surasakmontree School

The objectives of the study were to determine the socio-economic condition and role of high school students in a case study at Surasakmontree School in the rehabilitation of environmental quality. The study employed a multistage random sampling method and used an interview with a designed questionnaire as the main data gathering tool. An F-test and t-test were employed for testing ... Read More »

Administration of Participatory Forest Resource Management under Tabtim Siam 08 Project, Sa Kaeo Province

The objectives of the study were to determine the condition of the forest resources through project situation analysis for setting up strategies and appropriate activities which will be the significant factors affecting effective administration of the Tabtim Siam 08 Project, Sa Kaeo province.  Participatory Rural Appraisal (PRA) was employed as a technique for data collection involving interviews, focus group meetings ... Read More »

Fuel Bed Properties and Fire Behavior in Pine Forest, Nam Nao National Park, Phetchabun Province

Fuel bed properties and fire behavior in a degraded pine forest and pine-oak subcommunity were carried out in the Nam Nao National Park, Phetchabun province.  The investigation aimed to study and compare the fuel properties and fire behavior between subcommunities in 3 plots each 50×50 m in size.  Fuel bed properties (fuel load, fuel moisture content, fuel height, fuel coverage, ... Read More »