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Evaluating the Defense Mechanisms of Selected Plants in Khlong Tamru, Chonburi, Thailand against Biotic and Abiotic Stressors in Soil and Water

Organization(s):Chonradsadornumrung School
Country:Thailand
Student(s):Nattawat Kusoltipcharoen, Methasit Nugate, Pacharapol Sriwisut, Warit Khlaipanpee, Pathawee Chalermpanich, Pranchalee Boonsiri, Sirapat Niyom, and Benyapha Lekmana
Grade Level:Secondary School (grades 9-12, ages 14-18)
GLOBE Educator(s):Marvin Esparagoza Servallos
Contributors:Co-Research Advisor: Rawadee Meesuk
Report Type(s):International Virtual Science Symposium Report, Standard Research Report
Protocols:Air Temperature, Relative Humidity, Dissolved Oxygen, pH, Salinity, Water Temperature, Water Transparency, Soil Fertility, Soil pH, Soil Temperature
Presentation Poster: View Document
Language(s):English
Date Submitted:02/18/2025
Globe researchers are analyzing the physicochemical parameters of a brackish river in Khlong Tamru, Chonburi, Thailand.
This current environmental science research aims to evaluate the defense mechanisms of selected plants present in the brackish river of Khlong Tamru, Chonburi, Thailand. Using the standard equipment from Extech, the researchers characterized various water and soil physico-chemical factors such as water temperature, TDS, dissolved oxygen, electrical conductivity, salinity, transparency, water pH, air temperature, soil temperature, soil pH, NPK concentration, and relative humidity. Then, the leaves of three selected plants were gathered for the phytochemical screening. Based on the experimentations, results and gathered data, the researchers concluded that there are significant differences (p<0.05) in water temperature, dissolved oxygen, TDS, electrical conductivity, transparency, salinity, soil temperature (5cm depth), soil pH, and relative humidity except for soil temperature at 10 cm depth (p>0.05). Moreover, Nipa Palm (Nypa fruticans), Red Mangrove (Rhizophora mangle) and Spurred Mangrove (Ceriops tagal) contains various secondary compounds as their defense mechanism against biotic and abiotic stressors in soil and water. For the improvement of the study, further research will be conducted to evaluate antimicrobial activities of the experimental plants against their biotic stressors. Keywords: Brackish, Biotic stressors, Abiotic stressors, Secondary Compounds


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