Flotation of Peat Particles by Dissolved Organic Matter Eluted from the Re-Deposited Tropical Peat in Tropical Peatland Coast
On Bengkalis Island, Indonesia, coastal erosion discharges peat into the sea, which then returns to form a peat beach. Groundwater flows from peat cliffs to the sea, generating foam along the shoreline. Peat particles float on the sea surface and are attached to this foam. This study examined water...
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| Published in | Journal of Water and Environment Technology Vol. 23; no. 3; pp. 167 - 178 |
|---|---|
| Main Authors | , , , , , , , , |
| Format | Journal Article |
| Language | English |
| Published |
Tokyo
Japan Society on Water Environment
2025
Japan Science and Technology Agency |
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| Online Access | Get full text |
| ISSN | 1348-2165 1348-2165 |
| DOI | 10.2965/jwet.24-085 |
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| Abstract | On Bengkalis Island, Indonesia, coastal erosion discharges peat into the sea, which then returns to form a peat beach. Groundwater flows from peat cliffs to the sea, generating foam along the shoreline. Peat particles float on the sea surface and are attached to this foam. This study examined water quality, microorganisms, and the foaming properties of groundwater and seawater around the peat beach. High foaming properties of groundwater were observed, along with high dissolved organic carbon and nitrogen concentrations. Microorganisms in the groundwater in the peat beach were diverse, with an increase in actinobacteria, which decompose peat. Experimental data indicated that groundwater’s high foaming properties help float peat particles, affecting their transport. Peat flotation experiments showed increased flotation with higher groundwater concentration. The specific environment of the peat beach, such as neutral pH, may promote peat decomposition, with surfactants generating in the process affecting peat particle behavior. This study suggests that peat decomposition is enhanced on peat beaches where previously discharged peat particles have been deposited along the shoreline. |
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| AbstractList | On Bengkalis Island, Indonesia, coastal erosion discharges peat into the sea, which then returns to form a peat beach. Groundwater flows from peat cliffs to the sea, generating foam along the shoreline. Peat particles float on the sea surface and are attached to this foam. This study examined water quality, microorganisms, and the foaming properties of groundwater and seawater around the peat beach. High foaming properties of groundwater were observed, along with high dissolved organic carbon and nitrogen concentrations. Microorganisms in the groundwater in the peat beach were diverse, with an increase in actinobacteria, which decompose peat. Experimental data indicated that groundwater’s high foaming properties help float peat particles, affecting their transport. Peat flotation experiments showed increased flotation with higher groundwater concentration. The specific environment of the peat beach, such as neutral pH, may promote peat decomposition, with surfactants generating in the process affecting peat particle behavior. This study suggests that peat decomposition is enhanced on peat beaches where previously discharged peat particles have been deposited along the shoreline. |
| ArticleNumber | 24-085 |
| Author | Sutikno, Sigit Muhammad, Ahmad Yusa, Muhamad Nakamura, Shingo Saputra, Hendra Kagawa, Hiroki Matsuo, Hana Yamamoto, Koichi Imai, Tsuyoshi |
| Author_xml | – sequence: 1 fullname: Yamamoto, Koichi organization: Graduate School of Sciences and Technology for Innovation, Yamaguchi University, Ube, Japan – sequence: 1 fullname: Kagawa, Hiroki organization: Graduate School of Sciences and Technology for Innovation, Yamaguchi University, Ube, Japan – sequence: 1 fullname: Saputra, Hendra organization: State Polytechnic of Bengkalis, Bengkalis, Indonesia – sequence: 1 fullname: Matsuo, Hana organization: Graduate School of Sciences and Technology for Innovation, Yamaguchi University, Ube, Japan – sequence: 1 fullname: Yusa, Muhamad organization: Faculty of Engineering, University of Riau, Pekanbaru, Indonesia – sequence: 1 fullname: Sutikno, Sigit organization: Center for Peatland & Disaster Studies, University of Riau, Pekanbaru, Indonesia – sequence: 1 fullname: Imai, Tsuyoshi organization: Graduate School of Sciences and Technology for Innovation, Yamaguchi University, Ube, Japan – sequence: 1 fullname: Muhammad, Ahmad organization: Faculty of Science, University of Riau, Pekanbaru, Indonesia – sequence: 1 fullname: Nakamura, Shingo organization: Graduate School of Sciences and Technology for Innovation, Yamaguchi University, Ube, Japan |
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| Cites_doi | 10.1038/nature14653 10.1007/978-3-319-71788-3_12 10.2208/kaigan.73.I_1573 10.2208/kaigan.70.I_1466 10.1111/gcb.16131 10.7763/IJET.2017.V9.976 10.1099/ijs.0.033720-0 10.1038/s41467-018-06259-1 10.1016/j.lwt.2019.108267 10.1038/s41467-018-06050-2 10.1016/j.ijpharm.2021.120709 10.1099/ijsem.0.000988 10.1099/ijs.0.045658-0 10.1021/es030360x 10.1007/s11104-024-06725-4 10.3390/fermentation9070642 10.2208/jscejer.73.III_213 10.1051/matecconf/201927606002 10.1038/s41586-023-05860-9 10.1038/s41598-024-62233-6 10.1371/journal.pone.0280187 10.1016/S0043-1354(01)00439-0 10.4056/sigs.1964579 |
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| References_xml | – reference: [11] Yamamoto K, Miyara K, Kobayashi T, Akamatsu Y, Kanno A, Basir N, Kagawa H, Sutikno S: Mangrove formation process behind the peat bar and the amount of the carbon storage in the tidal flat. J. Jpn. Soc. Civ. Eng., Ser. B2 (Coast. Eng.), 73, I_1573–I_1578, 2017. [in Japanese with English abstract] – reference: [10] Yamamoto K, Watanabe T, Okuyama H, Haidar M, Basir N, Kanno A, Sekine M: Peat coast erosion of the Bengkalis Island and its effect on the groundwater discharge. J. Jpn. Soc. Civ. Eng., Ser. B2 (Coast. Eng.), 70(2), I_1466–I_1470, 2014. [in Japanese with English abstract] – reference: [18] Dluzewski M, Dluzewska E, Kwasek L: Comparison of foaming properties by the volumetric and conductometric methods. Pol. J. Food Nutr. Sci., 3/44(4), 155–164, 1994. – reference: [12] Hapsari KA, Jennerjahn T, Nugroho SH, Yulianto E, Behling H: Sea level rise and climate change acting as interactive stressors on development and dynamics of tropical peatlands in coastal Sumatra and South Borneo since the Last Glacial Maximum. Glob. Change Biol., 28(10), 3459–3479, 2022. PMID:35312144, https://doi.org/10.1111/gcb.16131 – reference: [3] Brown C, Boyd DS, Sjögersten S, Vane CH: Detecting tropical peatland degradation: Combining remote sensing and organic geochemistry. PLoS One, 18(3), e0280187, 2023. PMID:36989287, https://doi.org/10.1371/journal.pone.0280187 – reference: [20] Tani M, Kondo R, Tsutsuki K: Iron forms in peat soil and their relation to indices for the decomposition degree of peat. Jpn. J. Soil Sci. Plant Nutr., 72, 180–188, 2001. [in Japanese with English abstract] – reference: [1] Jayasekara C, Leigh C, Shimeta J, Silvester E, Grover S: Organic matter decomposition in mountain peatlands: effects of substrate quality and peatland degradation. Plant Soil, 506(1–2), 639–654, 2025. https://doi.org/10.1007/s11104-024-06725-4 – reference: [16] Weishaar JL, Aiken GR, Bergamaschi BA, Fram MS, Fujii R, Mopper K: Evaluation of specific ultraviolet absorbance as an indicator of the chemical composition and reactivity of dissolved organic carbon. Environ. Sci. Technol., 37(20), 4702–4708, 2003. PMID:14594381, https://doi.org/10.1021/es030360x – reference: [21] Kang H, Kwon MJ, Kim S, Lee S, Jones TG, Johncock AC, Haraguchi A, Freeman C: Biologically driven DOC release from peatlands during recovery from acidification. Nat. Commun., 9(1), 3807, 2018. PMID:30228259, https://doi.org/10.1038/s41467-018-06259-1 – reference: [5] Deshmukh CS, Susanto AP, Nardi N, Nurholis N, Kurnianto S, Suardiwerianto Y, Hendrizal M, Rhinaldy A, Mahfiz RE, Desai AR, Page SE, Cobb AR, Hirano T, Guérin F, Serça D, Prairie YT, Agus F, Astiani D, Sabiham S, Evans CD: Net greenhouse gas balance of fibre wood plantation on peat in Indonesia. Nature, 616(7958), 740–746, 2023. PMID:37020018, https://doi.org/10.1038/s41586-023-05860-9 – reference: [14] Liao Y, Li Z, Zhou Q, Sheng M, Qu Q, Shi Y, Yang J, Lv L, Dai X, Shi X: Saponin surfactants used in drug delivery systems: A new application for natural medicine components. Int. J. Pharm., 603(15), 120709, 2021. PMID:33992714, https://doi.org/10.1016/j.ijpharm.2021.120709 – reference: [6] Asyhari A, Gangga A, Putra CAS, Ritonga RP, Candra RA, Anshari GZ, Bowen JC, Perryman CR, Novita N: Quantifying the fluxes of carbon loss from an undrained tropical peatland ecosystem in Indonesia. Sci. Rep., 14(1), 11459, 2024. PMID:38769331, https://doi.org/10.1038/s41598-024-62233-6 – reference: [7] Sutikno S, Sandhyavitri A, Haidar M, Yamamoto K: Shoreline change analysis of peat soil beach in Bengkalis Island based on GIS and RS. IACSIT Int. J. Eng. Technol., 9(3), 233–238, 2017. https://doi.org/10.7763/IJET.2017.V9.976 – reference: [4] Harenda KM, Lamentowicz M, Samson M, Chojnicki BH: The role of peatlands and their carbon storage function in the context of climate change. In: Zielinski T, Sagan I, Surosz W (eds): Interdisciplinary Approaches for Sustainable Development Goals. GeoPlanet: Earth and Planetary Sciences. Springer, Cham, Switzerland, 2018. – reference: [26] Hilton RG, Galy V, Gaillardet J, Dellinger M, Bryant C, O’Regan M, Gröcke DR, Coxall H, Bouchez J, Calmels D: Erosion of organic carbon in the Arctic as a geological carbon dioxide sink. Nature, 524(7563), 84–87, 2015. PMID:26245581, https://doi.org/10.1038/nature14653 – reference: [25] Danilova OV, Kulichevskaya IS, Rozova ON, Detkova EN, Bodelier PLE, Trotsenko YA, Dedysh SN: Methylomonas paludis sp. nov., the first acid-tolerant member of the genus Methylomonas, from an acidic wetland. Int. J. Syst. Evol. Microbiol., 63(Pt_6), 2282–2289, 2013 – reference: [24] Daligault H, Lapidus A, Zeytun A, Nolan M, Lucas S, Del Rio TG, Tice H, Cheng JF, Tapia R, Han C, Goodwin L, Pitluck S, Liolios K, Pagani I, Ivanova N, Huntemann M, Mavromatis K, Mikhailova N, Pati A, Chen A, Palaniappan K, Land M, Hauser L, Brambilla EM, Rohde M, Verbarg S, Göker M, Bristow J, Eisen JA, Markowitz V, Hugenholtz P, Kyrpides NC, Klenk HP, Woyke T: Complete genome sequence of Haliscomenobacter hydrossis type strain (OT). Stand. Genomic Sci., 4(3), 352–360, 2011. 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| SubjectTerms | Beaches Cliffs Coastal erosion Decomposition Discharge Dissolved organic carbon Dissolved organic matter Flotation Foaming foaming properties Groundwater Groundwater data Groundwater flow humification Microorganisms Peat peat beach peat decomposition Peatlands Sea surface Seawater Shorelines Water quality |
| Title | Flotation of Peat Particles by Dissolved Organic Matter Eluted from the Re-Deposited Tropical Peat in Tropical Peatland Coast |
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