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The study on water Quality and Phytoplankton Species in Khlong Chang, Trang Province.

Organization(s):Wichienmatu
Country:Thailand
Student(s):Ms. Nanthicha Manaso Ms. Suwichada Rattana Ms.Ananluck Sangthong
Grade Level:Secondary School (grades 9-12, ages 14-18)
GLOBE Educator(s):Thamonwan Bunchuay
Contributors:Mrs. Orapin Noonum Mrs. Sawitree Duangsuk
Report Type(s):International Virtual Science Symposium Report
Protocols:Air Temperature, Clouds, Dissolved Oxygen, pH, Water Temperature, Water Transparency
Presentation Poster: View Document
Language(s):English
Date Submitted:03/05/2025
1. Research Preparation Phase 1. Set the research topic: Choose the topic or issue you wish to study. 2. Review and gather relevant knowledge and theories: Collect information and theories related to your research topic. 3. Define the objectives of the study: Clearly specify the objectives and goals of the research. 4. Determine the sampling locations for data collection: Decide where to collect the samples within the study area 2. Research Implementation Steps 1. Plan the research: Develop a research plan outlining the methods, timeline, and resources required. 2. Survey the study area: Conduct a survey of the area where the research will take place. 3. Collect water samples for studying plankton: Collect water samples from the Chang Canal, Na Toa Ming Subdistrict, Mueang District, Trang Province, for plankton study. 4. Survey the clouds and measure the average cloud cover: Measure the cloud cover in the area where water samples are collected and classify the clouds using a cloud classification manual. 5. Collect water samples to study water quality and plankton types: Test the water quality based on GLOBE methodology by measuring the water's pH, temperature, transparency, and dissolved oxygen levels. 5.1 Measure the water's pH: Use a pH meter to measure and record the pH value of the water. Take three readings. 5.2 Measure the water's temperature: Use a thermometer to measure the temperature at each point and record the data. Take three readings. 5.3 Measure water transparency: Use a Secchi disk to measure and record the transparency of the water. Take three readings. 5.4 Measure the dissolved oxygen levels: Use an iodometer to measure and record the dissolved oxygen in the water. Take three readings. Water Sample Collection Measure the water's pH, temperature, transparency, and dissolved oxygen levels. 1. Survey and collect water samples: In the Chang Canal, Trang Province from November 23 to December 23, 2024, over a period of 1 month and 4 weeks. 2. Study plankton types: In the Chang Canal, Na Toa Ming Subdistrict, Mueang District, Trang Province, to classify plankton species using a plankton identification manual.
The study of water quality and phytoplankton types in Khlong Chang, Na To Ming Subdistrict, Mueang District, Trang Province aimed to 1) study the water quality in Khlong Chang, Na To Ming Subdistrict, Mueang District, Trang Province, which found that the average pH was 8, the average temperature was 26 degrees Celsius, the transparency was 60 centimeters, and the average dissolved oxygen was 6.27 mg/l. The measured values indicated that the water quality was good because the water source was rich in pH between 7.5 and 8.5, which is the range where plankton can be found, which is consistent with the research of Thiraphon Malikongsingh (2022). 2) To study the types of plankton in Khlong Chang, Na To Ming Subdistrict, Mueang District, Trang Province, it was found that there were 5 types of plankton: Cosmarium, Surirella, Aulacoseira, Oscilatoria, Spiurlina, where Cosmarium is found in abundance in clear water with nutrients, Oscillatoria can survive in clear water, Spirulina is found in abundance in clear water with high nutrients and high pH, more than turbid water with a lot of suspended sediment.


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