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Physical factors affecting plankton diversity in wastewater from whiteleg shrimp farming ponds in Trang, Thailand

Organization(s):Wichienmatu
Country:Thailand
Student(s):Ms. Naragamon Sangkara Ms. Chantra Buamiklin Ms. Pusanisa Sakulrach
Grade Level:Secondary School (grades 9-12, ages 14-18)
GLOBE Member(s):Kwanjai Karnchanasrimek
Contributors:Ms. Sutheera Thacgeen, Ms. Sawitree Duangsook
Report Type(s):Virtual Science Symposium Report
Protocols:Air Temperature, Clouds, Relative Humidity, pH, Salinity, Water Temperature, Water Transparency, Dissolved Oxygen
Presentation Poster: View Document
Language(s):English
Date Submitted:2026-01-30
A photo collage using multiple images arranged together, showcasing both fieldwork and laboratory analysis. The primary color scheme should be dominant green tones, symbolizing water bodies, nature, the environment, and ecosystems. Key elements include field data collection and lab analysis, representing a scientific approach to water quality study, featuring actual data gathering and precise measurement. Microscopy imagery conveys the study of plankton biodiversity at the microscopic level. Images of green water bodies and field sampling showcase the research site—a water source receiving effluent from shrimp farms—reflecting the real-world conditions of the study.
This study on the physical factors affecting plankton diversity in wastewater receiving ponds from whiteleg shrimp farming in Bo Hin Subdistrict, Sikao District, Trang Province, aimed to: 1 ) study the water quality in the wastewater receiving ponds from whiteleg shrimp farming in Bo Hin Subdistrict, Sikao District; and 2 ) study the plankton diversity in the wastewater receiving ponds from whiteleg shrimp farming in Bo Hin Subdistrict, Sikao District at each sampling point. Three plankton sampling points were selected between November 2025 and January 2026. Water quality data was also collected from the wastewater receiving ponds in Bo Hin Subdistrict, Sikao District, Trang Province. The results showed that the average water temperature was 28.3 °C , the average pH was 8 , the average transparency was visible at 29 centimeters and obscured at 35 centimeters, the average salinity was 0.6 ppt, and the average dissolved oxygen was The average concentration was 4.5 mg/l , and the total number of plankton found consisted of 7 divisions, divided into 4 divisions of phytoplankton : Division Chlorophyta ( green algae) Volvox sp., Tetraedron sp., Eudorina sp., Division Euglenophyta, Euglena sp., and Division Bacillariophyta ( diatoms). Navicula sp., Cymbella sp., Division Dinophyta ( dinoflagellates) , Ceratium sp. , and zooplankton are found in three divisions : Division Rotifera (Rotifer sp., Brachionus sp., Brachionus quadridentata) and Division Arthropoda (Crustacea) (Crustacea), Cyclops sp .


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