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A study about water quality, fish and phytoplankton in Pak-pra canal, Phatthalung province, Thailand

Student(s):Phithakdat Chumchaiyo, Angkhanang Khongchit, Sudarat Muadinthong, Chiranan Songpia, Khwankhao Voranativudi, Nannapat Dumchu, Chutinan Suwandee and Athicha Nuantat
Grade Level:Middle School (grades 6-8, ages 11-14)
Contributors:Dr. Nantida sutammawong, Mrs.Anantanit chumsri, Dr. Peerada pakdeepin, Dr. Thanya panritdum, and Dr. Fahmida Wazed Tina
Report Type(s):International Virtual Science Symposium Report
Protocols:Water Temperature, pH, Nitrates, Dissolved Oxygen, Conductivity
Presentation Video: View Video
Optional Badges:Be a Collaborator, Be a Data Scientist, Be a STEM Professional
Date Submitted:04/10/2019
Giant Chines net at Pak-pra canal mouth
The objective of this research is to study the number and type of fish in the estuary compere with those along Pak-pra canal. And study the relationship of the types of phases and water quality to the number and type of fish estuary and along Pak-pra canal, Phanang Tung Subdistrict, Khuan Khanun District, Phatthalung Province By collecting samples of plankton water quality and number and type of fish at 6 study points, total 12 study points from May to October 2018, measuring air temperature, water temperature, pH, DO, EC, TDS, classify the type of fish obtained from giant Chinese net flattering Collecting plankton area at the surface with plankton bags once a month. We found 16 species of fish in Pak-pra canal by catching fish in upatream canal more than at mouth. By capturing 3,479 fish in the along Pak-Pra Canal and 785 in the estuary. In July, the villagers caught the highest number of fish, 1,688, by catching fish in the along Pak-pra canal more than the estuary. Pak-pra canal found 12 species of phytoplankton and found that plankton is positively correlated with the number of fish in each species The number of plankton is positively correlated with pH and water temperature. The number of fish is negatively correlated with air temperature.


Excellent research but do not you think that it is a lot of fish in particular months as a result of the seasons of mating, migration and reproduction of these organisms and has no relation to salt or heat?