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Study of the environmental factors that affect the density of fireflies at Ban, Sam-lai Tai, Khok Thai Sub-district, Pak Thong Chai, Nakhon Ratchasima

Organization(s):Ban Don School
Country:Thailand
Student(s):1. Miss Phichaya Majungreed 2. Miss Juthamas Muttangdon 3. Mister Thirawat Kaensan
Grade Level:Upper Primary (grades 3-5, ages 8-11)
GLOBE Educator(s):Vijit Sinmak
Contributors:1. Miss Rungnapha Buatakhu 2. Mrs. Wasana Meangjantheuk 3. Miss Jintana Motong 4. Mister Vijit Sinmak 5. Dr.Seksan Mangklanan 6. Dr.Thidarat Bamrungphakdi 7. Asst. Prof. Dr. Namfon Samsalee
Report Type(s):International Virtual Science Symposium Report
Protocols:Air Temperature, Precipitation, Relative Humidity, Earth As a System, Dissolved Oxygen, Freshwater Macroinvertebrates, pH, Water Temperature, Water Transparency, Bulk Density, Soil Characterization, Soil Moisture - Gravimetric, Soil pH, Soil Temperature
Presentation Video: View Video
Presentation Poster: View Document
Language(s):Thai
Date Submitted:02/28/2025
In the evening, the team of organizers noticed fireflies hanging around the Cogon grass at Khlong Chang near their house. Therefore, the team wanted to study some environmental factors that affect the density of the fireflies at Ban Sam-lai Tai, Khok Thai Sub-district, Pak Thong Chai, Nakhon Ratchasima. This study used the GLOBE method to examine the physical properties of the soil. It is a round, easily broken soil, a sandy loam soil. The chemical properties of the soil are NPK at a moderate to high level. Soil temperature is between 24.5 to 29.5 degrees Celsius. The Soil moisture to be between 8 to 10. And found 1-20 snails. The average air temperature was between 25.5 to 33 degrees Celsius. The average relative humidity is between 63 to 92 percent. Average light intensity is between 200 to 1,650 Lux. Rainfall is between 3 to 12 millimeters, cool weather, light to moderate rain, and a lot of water vapor in the air. The fireflies will be found from 19.00 onwards. And the average water temperature is between 26 and 29 degrees Celsius. The average transparency of the water is between 35 and 50 centimeters. The average DO value in the water is between 5 to 6. The water is clean at a good level. We found freshwater small animals, namely, water kangaroos, 1-3 individuals, and burrowing white-headed larvae, 1-5 individuals. These animals indicate that clean water and a ecosystem affect the density of the fireflies. This study is based on the hypothesis.


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