Effects of Seasons on Water Quality and Chlorophyll a Content at Lamae Coast, Lamae District, Chumphon Province

Authors

  • Pornpimol Pimolrat Department of Innovative Coastal Aquaculture, Maejo University at Chumphon, Chumphon, Thailand
  • Nutchapat Suksai Department of Innovative Coastal Aquaculture, Maejo University at Chumphon, Chumphon, Thailand
  • Patcharawalai Sriyasak Department of Fisheries, Faculty of Natural Resources, Rajamangala University of Technology Isan, Sakon Nakhon Campus Sakon Nakhon, Thailand
  • Supannee Suwanpakdee Department of Fisheries, Faculty of Natural Resources, Rajamangala University of Technology Isan, Sakon Nakhon Campus Sakon Nakhon, Thailand

DOI:

https://doi.org/10.14456/jare-mju.2025.50

Keywords:

climate change, season, water quality, coast, Lamae district

Abstract

The objective of this research was to study the effects of season on water qualities and chlorophyll content at Lamae coast, Lamae District, Chumphon province. The parameters of water quality included water temperature, air temperature, dissolve oxygen (DO), pH, transparency, salinity and chlorophyll a content. Data were collected monthly between January and December 2021 from three stations: Paknam Lamae beach coast (LM), the coast in front of Maejo University at Chumphon (MP) and Nong Bua Fish Bridge (NB). The results showed that seasons had a statistically significant (P<0.05) effect on transparency and the amount of chlorophyll a, but the season had no statistically significant (P>0.05) effect on water and air temperature, dissolved oxygen, pH, and salinity. These results provide beneficial information for planning coastal aquaculture farm and can be applied for water quality management for shrimp, polychaete, and blue swimming crab cultures.

References

Announcement of the National Environment Board, No. 27 (2006) on the setting of seawater quality standards. 2007. Royal Gazette 124(11Ng): n.p. [in Thai]

Gardiner, M.S. 1972. The Biology of Invertebrates. New York: McGraw-Hill. 954 p.

Google Maps. 2023. Lamae coast, Lamae district, Chumphon province. [Online]. Available https://www.google.co.th/maps/place/District+Lamae+Chumphon/ (July 20, 2023).

Henriksen, P. 2009. Long-term changes in phytoplankton in the Kattegat, the Baltic sea, the South and the Western Baltic sea. Journal of Sea Research 61(1-2): 114–123.

Lapsetthanurak, C. 2010. Global food crisis an opportunity for food security of Thailand. For Rural Development 10(35): 75–84. [in Thai]

Leelapiyanart, N. 1996. Ecophysiology Studies on Developing and Ovigerous Females of Intertidal Crabs. Doctoral Dissertation. University of Cantubery. 224 p.

Luangthuwapranee, C. 2005. Principles of Aquaculture. Bangkok: Four Pace. 481 p. [in Thai]

Meteorological Department. 2023. Climate of Thailand. [Online]. Available http://www.tmd.go.th (May 18, 2023). [in Thai]

Pandit, N.P. and M. Nakamura. 2010. Effect of high temperature on survival, growth and feed conversion ratio of Nile Tilapia, Oreochromis niloticus. Our Nature 8(1): 219–224.

Parsons, T.R., Y. Maita and C.M. Lalli. 1984. A Manual of Chemical and Biological Methods for Seawater Analysis. Oxford: Pergamon press. 187 p.

Pimolrat, P., A. Monghit, W. Phetsut and N.R. Jaiyen. 2018. Effects of Season on Water Qualities at Lamae Coast, Lamae District, Chumphon Province. pp. 785–795. In Proceedings of the 6th Marine Science Conference (Poster). Chonburi: Burapha University. [in Thai]

Sanitwong Na Ayutthaya, A. 2011. Thailand's First Assessment Report on Climate Change 2011: Impacts, Vulnerability and Adaptation. 206 p. In Sanitwong Na Ayutthaya, A. and A. Chidtaisong (Eds.). Development and Co-ordination Center for Global Warming and Climate Change (THAI-GLOB). Bangkok: National Research Council of Thailand.[in Thai]

Tangkrock-Olan, N. and C. Sincharoensup. 2013. Effect of salinity on survival rate and volume change in polychaete (Perinereis nuntia). Burapha Science Journal 18(2): 43–48. [in Thai]

Thai Meteorological Department. 2023. Lamae District Season. [Online]. Available https://www.tmd.go.th/en. (July 20, 2023). [in Thai]

Wikipedia, The Free Encyclopedia. 2023. Lamae district. [Online]. Available https://en.wikipedia.org/wiki/Lamae_district (July 18, 2023). [in Thai]

Figure 1 Three surveys and water sampling points at Lamae coast, Lamae district, Chumphon province Paknam Lamae beach coast (LM); coast in front of Maejo University at Chumphon (MP); Nong Bua Fish Bridge (NB) Adapted from: Google Maps (2023)

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Published

2025-12-20

How to Cite

Pimolrat, P. ., Suksai, N. ., Sriyasak, P. ., & Suwanpakdee, S. . (2025). Effects of Seasons on Water Quality and Chlorophyll a Content at Lamae Coast, Lamae District, Chumphon Province. Journal of Agricultural Research and Extension, 42(3), 129–140. https://doi.org/10.14456/jare-mju.2025.50

Issue

Vol. 42 No. 3 (2025): September - December 2025

Section

Research Article

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