Student Research Reports
Environmental research on comparing soil quality and its effects on the types and density of seagrass in Boonkhong Bay
Organization(s):Wichienmatu
Country:Thailand
Student(s):MISS Palinee Autasaha
MISS Chaoon Chumthong
Mr. Oatthaphon Autasaha
Grade Level:Middle School (grades 6-8, ages 11-14)
GLOBE Educator(s):Kwanjai Karnchanasrimek
Contributors:Mrs Khwanjai Karnchanasrimak
Mrs Saruta Chaydoo
Report Type(s):International Virtual Science Symposium Report
Protocols:Soil Fertility, Soil Moisture - Gravimetric, Soil Temperature
Presentation Poster:
View Document
Language(s):English
Date Submitted:03/05/2025

Environmental research on comparing soil quality and its effects on the types and density of seagrass in Boonkhong Bay, Trang Province, in 2023 and 2024. The objectives are: 1) to compare the soil quality that affects the growth of seagrass in 2023 and 2024, and 2) to compare the types and density of seagrass in Boonkhong Bay, Trang Province, in 2023 and 2024. The research involves checking the soil quality in terms ofFrom the study of soil structure, soil adhesion, soil color and soil texture, it was found that the soil structure remained the same in both 2023 and 2024, i.e., single grains. Soil adhesion was friable, but the soil color changed: the soil color in 2023 was the darkest (2.5Y 2.5/1 black), and in 2024, it was brown (10YR 2/2 very dark brown), which is consistent with the decrease in the amount of minerals in the soil, namely nitrogen, phosphorus and potassium. In addition, the soil became more acidic, resulting in a decrease in the type and density of seagrass. In 2023, 4 types of seagrass were found with high density, and in 2024, 2 types were found with low density.