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Factors Affecting the Abundance of Fiddler Crabs at the Hoi Pa Learning and Conservation Center, Thung Krabue Subdistrict, Yan Ta Khao District, Trang Province

Organization(s):Wichienmatu
Country:Thailand
Student(s):Miss Thararat Sirisom Miss Pattarathida Rodkhwamthuk Miss Aticha Jitboon
Grade Level:Secondary School (grades 9-12, ages 14-18)
GLOBE Educator(s):Thamonwan Bunchuay
Contributors:MRS. Sawitree Duangsuk
Report Type(s):International Virtual Science Symposium Report
Protocols:Air Temperature, Relative Humidity, Soil pH
Presentation Poster: View Document
Language(s):English
Date Submitted:03/05/2025
1. Research Preparation Phase: 1. Identification of Research Topic: Selection of the research topic and formulation of research questions. 2. Literature Review: Extensive review and compilation of relevant knowledge and theories related to the research. 3. Definition of Research Objectives: Clear articulation of the study's aims and objectives. 4. Sampling Site Selection: Determination of specific sampling points within the designated study area. 2. Implementation Phase: 1. Research Planning: Development of a detailed research implementation plan. 2. Site Survey: Initial field survey of the research area to assess site conditions. 3. Soil Quality Measurement (Pedosphere) using GLOBE Protocols: Measurement of relevant environmental parameters, including geographic coordinates, temperature, pH, soil moisture, and soil salinity, as follows: 3.1) Soil Sampling Point Selection: Identification of 10 sampling points where fiddler crabs were observed. 3.2) pH Measurement: Measurement of soil pH using a Soil pH Meter (SPM05), recording the results. 3.3) Salinity Measurement: Measurement of soil salinity using a Salinity Meter (accuracy ±3%), recording the results. 3. Atmospheric Data Collection (Atmosphere): 3.1) Measurement of air temperature and relative humidity. 4. Collect Quadrat fiddler crab population data at all 10 points 3 times, count the number of crabs in each box and observe the number of fiddler crabs in the mangrove forest, read the values and record the results.
This study aimed to investigate the physical factors influencing the abundance of fiddler crabs (Uca vocans) at the Hoi Pa Learning and Conservation Center, Thung Ta Se Subdistrict, Yan Ta Khao District, Trang Province. Environmental parameters, including temperature, pH, salinity, and fiddler crab population counts, were measured using field survey methods. The results revealed a significant correlation between fiddler crab abundance and environmental factors, particularly salinity and pH, which directly affect the distribution and population size of fiddler crabs in the study area. The findings of this study can be utilized to develop appropriate conservation and management strategies for natural resources at the Hoi Pa Learning and Conservation Center. Keywords: Factors affecting abundance, Fiddler Crabs (Uca vocans)


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