Assessment of Sediment Quality on Surf Clam Resource in the Western Part of Trat Bay, Trat Province
Abstract
Assessment of sediment quality on surf clam resource area in In the Western Part of Trat bay was carried out, The research was focused on sediment and water qualities such as sediment grain size, total organic matter (TOM), acid volatile sulfides (AVS), dissolved oxygen, temperature and salinity. Twelve stations were investigated in July (early rainy season) October (late rainy season) 2020 and January (dry season) 2021. Our results indicated that the general water qualities were in good condition for aquatic life, the dissolved oxygens were higher than 4 mg/l and the salinity was in the average of 21.0±9.4 psu. The sediment grain sizes were less than 63 µm, the total organic matter was in the range 5.10-16.81 %, the acid volatile sulfide was in ranged 0.000-0.270 mg/g dry weight. The sedimentary TOM and AVS in the lower part of Trat Bay were in comparatively higher levels. The AVS factors were increased with the increase TOM (P<0.05). In the overall view, the sediment quality was normally in good condition for the living of surf clam. Nevertheless, monitoring of TOM situation and increasing AVS, which related to the risk of from low oxygen conditions (hypoxia) that could effect to surf clam should be performed Keywords : sediment quality, surf clam resource, Trat bayReferences
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Trat Fisheries Provincial office-FPO-Trat. (2020). Regulated areas for shellfish aquaculture.
Retrieved November 28, 2021, from
https://www4.fisheries.go.th/local/index.php/main/view_activities/13/70093 (in Thai)
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(Paphia undulata) in Trat Province. Marine Fisheries Research and Development Division, Department of Fisheries, Ministry of Agriculture and Cooperatives. Bangkok. (in Thai)
the Eastern Upper Gulf of Thailand: Multiple geostatistical approaches. Oceanologia. 60, 478-487
Department of Fisheries-DOF. (2021). Map of Regulated areas for shellfish aquaculture.
Retrieved December 1, 2021, from
https://gisportal.fisheries.go.th/portal/apps/webappviewer/index.html?id=61050ffe668b408bb9e8e39f4e187a4a (in Thai)
Intarach, A., Khaodon., K. & Khantavong, A. (2010). Sediment quality in the upper gulf of
Thailand. Proceedings of 48th Kasetsart University Annual Conference: Natural Resources and
Environment. (in Thai)
Intarachart, A., Wisespongpand, Puntip., & Vichkovitten, T. (1999). Influence of organic matter on surface
sediment from green mussel (Perna viridis) culture activities in Sriracha bay: Final research report:
Kasetsart University research fund fiscal year 1999. Bangkok (Thailand): Kasetsart University.
Bangkhen Campus, Bangkok (Thailand). Faculty of Fisheries. Department of Marine Science. (in
Thai)
Jorgensen, B. B., Findlay, A. J. & Pellerin, A. (2019). The Biogeochemical Sulfur Cycle of Marine Sediments.
Frontiers in Microbiology. 10, 1-27
Okamura, K., Tanaka, K., Siow, R., Man, A., Kodama, M. & Ichikawa, T. (2010). Spring Tide Hypoxia with Relation
to Chemical Properties of the Sediments in the Matang Mangrove Estuary, Malaysia. Japan Agricultural Research Quarterly. 44 (3), 325-333
Land Development Department-IDD. (2002). Improving Soil Quality with organic matter. Retrieved December 16,
2021, from http://e-library.ldd.go.th/library/Ebook/bib1790.pdf (in Thai)
Lanmeen, J., Meksumpun, S. & Yoonpun, R. (2015). Relationship between aquatic environmental factors and
surf clam (Paphia undulata) density in Ao Bangpu, Sam Roi Yot district, Prachuap Khiri Khan province. In 53rd Kasetsart University Annual Conference, Bangkok, The Thailand Research Fund, Bangkok (Thailand), 1219-1226. (in Thai)
Meesub, B., Buranapratheprat, A., Thaipichitburapa, P., Kan-atireklarp, S. & Kan-atireklarp, S. (2021). Fluxes
of Dissolved Inorganic Nutrients and Suspended Sediment at The Trat River Mouth, Trat Province in 2018. Burapha Science Journal, 26(1), 526-544. (in Thai)
Meteorological Department of Thailand – TMD. (2021). Average monthly rainfall in Trat Province. Bangkok
Munhapon, A., Thongra-ar, W., Musika, C & Wongsudawan, W. (2014). Sediment Characteristics along the
Eastern Coast of the Gulf of Thailand. In Proceedings of Marine Science 4th. Songkhla
Office of Natural Resources and Environmental Policy and Planning – ONEP. (1999). State of the Environment
1999. Ministry of Science, Technology and Environment, Bangkok
Phodfueang, C. (2016). Distribution of Grain Size, Carbohydrates and Dehydrogenase Activities in the
Sediment of Cockle Culture Area at Bandon Bay, Surat Thani Province. Thesis Master of Science (Marine Science). Kasetsart University. (in Thai)
Pollution Control Department – PCD. (2021). Water Quality Standard in Thailand. Retrieved January
19, 2022, from http://www.ratchakitcha.soc.go.th/DATA/PDF/2564/E/245/T_0136.PDF (in Thai)
Poonapa-amporn, C. & Thaipichitburapa, P. (2018). Assessment of water and sediment quality in Trat Bay,
Trat Province. KhonKaen Agriculture Journal.46(1), 273-278. (in Thai)
Ritnim, N. (2011). Assessment of production of benthic fauna resource in Tha Chin estuary, Samut Sakorn
province, Thailand. Thesis Master of Science (Fisheries Science). Kasetsart University. (in Thai)
Ritnim, N & Meksumpun, C. (2010). Fertility and temporal variations of surf clam (Paphia undulata) resource in
the Tha Chin estuary. In 48th Kasetsart University Annual Conference, Bangkok, The Thailand Research
Fund, Bangkok (Thailand), 150-158. (in Thai)
Ritnim, N & Meksumpun, C. (2011). Influence of environmental factors on abundance and temporal
variation of benthic fauna resources in the eutrophic Tha Chin estuary, Samut Sakhon province, Thailand. Water Science & Technology. 64(6),1261
Sukphol, K., Meksumpun, S., Veschasit, O., Samuchchanon, S. & Whanpetch, N. (2018). Sediment Quality and
Benthic Fauna Distribution in Tha Chin and Chao Phraya Estuaries. In Proceedings of 56th Kasetsart University Annual Conference. Bangkok
Thaipichitburapa, P. & Junchompoo, C. (2021). Assessment of sediment quality in coastal area, Trat
Province. Proceeding of the 12th National Science Research Conference, 225-233. (in Thai)
Thaipichitburapa, P. and Meksumpun, C. (2021). The Effects of Dissolved Inorganic Nutrients on Eutrophication
Situations of Trat Bay, Trat Province. Burapha Science Journal, 26(2),771-782. (in Thai)
Trat Fisheries Provincial office-FPO-Trat. (2020). Regulated areas for shellfish aquaculture.
Retrieved November 28, 2021, from
https://www4.fisheries.go.th/local/index.php/main/view_activities/13/70093 (in Thai)
Tuaycharoen, S. (1984). Gonadal development and sex ratioof the short-necked clam (Paphia undulata) (Born).
Technical Paper No. 35. Brackish water Fisheries Div. Department of Fisheries, Bangkok. (in Thai)
Tunvilai, R., Suksumran, N. & Jipuim, S. (2017). Broodstock enhancement of short-necked clam
(Paphia undulata) in Trat Province. Marine Fisheries Research and Development Division, Department of Fisheries, Ministry of Agriculture and Cooperatives. Bangkok. (in Thai)
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2022-09-01
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