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Impact of a dam construction on the intertidal environment and free-living nematodes in the Ba Lai, Mekong Estuaries, Vietnam

Quang Ngo Xuan, My Yen Nguyen (UGent) , Thai Tran Thanh, Yen Nguyen Thi Hai, Dong Nguyen Van, Ngoc Hoai Pham, Lidia Lins Pereira (UGent) , Ann Vanreusel (UGent) , Bijeesh Kozhikkodan Veettil, Duc Hiep Nguyen, et al.
(2022) ENVIRONMENTAL MONITORING AND ASSESSMENT. 194(SUPPL 2).
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Abstract
The impact of high siltation and accumulation of organic and waste material in the intertidal of the dammed Ba Lai River in Vietnam as part of the Mekong estuarine system was investigated by means of marine free-living nematodes. Nutrients content (nitrate, ammonium, total phosphorus, total nitrogen), total suspended solids, total organic carbon, coliform, bacteria E. coli, pH, dissolved oxygen, total dissolved solids, methane and hydrogen sulfide concentration, and the nematode communities were characterized in sediment at selected stations along the river above and below the dam. Our results found elevated methane concentrations at the upstream side of the dam while hydrogen sulfide concentrations found to be highest in the downstream side of the dam. Furthermore, methane and hydrogen sulfide concentrations were correlated to nematode community characteristics such as trophic composition densities and genera composition. There was a clear difference between the communities above and below the dam. The discontinuous nematode community distribution indicated that the Ba Lai River is impacted by dam construction. Potentially the high deposition and eutrophication could turn the area into a methane-rich area related to predicted impact on nematodes.
Keywords
ORGANIC ENRICHMENT, HYDROGEN-SULFIDE, METHANE, DIVERSITY, LAKE, ASSEMBLAGES, SEDIMENTS, ABUNDANCE, DYNAMICS, BIOMASS, Ba Lai River, Ben Tre, Climate change, Environmental impact, Irrigation, Nematode, Reservoir

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MLA
Ngo Xuan, Quang, et al. “Impact of a Dam Construction on the Intertidal Environment and Free-Living Nematodes in the Ba Lai, Mekong Estuaries, Vietnam.” ENVIRONMENTAL MONITORING AND ASSESSMENT, vol. 194, no. SUPPL 2, 2022, doi:10.1007/s10661-022-10187-5.
APA
Ngo Xuan, Q., Nguyen, M. Y., Tran Thanh, T., Nguyen Thi Hai, Y., Nguyen Van, D., Pham, N. H., … Prozorova, L. (2022). Impact of a dam construction on the intertidal environment and free-living nematodes in the Ba Lai, Mekong Estuaries, Vietnam. ENVIRONMENTAL MONITORING AND ASSESSMENT, 194(SUPPL 2). https://doi.org/10.1007/s10661-022-10187-5
Chicago author-date
Ngo Xuan, Quang, My Yen Nguyen, Thai Tran Thanh, Yen Nguyen Thi Hai, Dong Nguyen Van, Ngoc Hoai Pham, Lidia Lins Pereira, et al. 2022. “Impact of a Dam Construction on the Intertidal Environment and Free-Living Nematodes in the Ba Lai, Mekong Estuaries, Vietnam.” ENVIRONMENTAL MONITORING AND ASSESSMENT 194 (SUPPL 2). https://doi.org/10.1007/s10661-022-10187-5.
Chicago author-date (all authors)
Ngo Xuan, Quang, My Yen Nguyen, Thai Tran Thanh, Yen Nguyen Thi Hai, Dong Nguyen Van, Ngoc Hoai Pham, Lidia Lins Pereira, Ann Vanreusel, Bijeesh Kozhikkodan Veettil, Duc Hiep Nguyen, Quoc Bang Ho, Hong Quan Nguyen, and Larisa Prozorova. 2022. “Impact of a Dam Construction on the Intertidal Environment and Free-Living Nematodes in the Ba Lai, Mekong Estuaries, Vietnam.” ENVIRONMENTAL MONITORING AND ASSESSMENT 194 (SUPPL 2). doi:10.1007/s10661-022-10187-5.
Vancouver
1.
Ngo Xuan Q, Nguyen MY, Tran Thanh T, Nguyen Thi Hai Y, Nguyen Van D, Pham NH, et al. Impact of a dam construction on the intertidal environment and free-living nematodes in the Ba Lai, Mekong Estuaries, Vietnam. ENVIRONMENTAL MONITORING AND ASSESSMENT. 2022;194(SUPPL 2).
IEEE
[1]
Q. Ngo Xuan et al., “Impact of a dam construction on the intertidal environment and free-living nematodes in the Ba Lai, Mekong Estuaries, Vietnam,” ENVIRONMENTAL MONITORING AND ASSESSMENT, vol. 194, no. SUPPL 2, 2022.
@article{01H213Q3VRJQ6CW3W0FKNAMR94,
  abstract     = {{The impact of high siltation and accumulation of organic and waste material in the intertidal of the dammed Ba Lai River in Vietnam as part of the Mekong estuarine system was investigated by means of marine free-living nematodes. Nutrients content (nitrate, ammonium, total phosphorus, total nitrogen), total suspended solids, total organic carbon, coliform, bacteria E. coli, pH, dissolved oxygen, total dissolved solids, methane and hydrogen sulfide concentration, and the nematode communities were characterized in sediment at selected stations along the river above and below the dam. Our results found elevated methane concentrations at the upstream side of the dam while hydrogen sulfide concentrations found to be highest in the downstream side of the dam. Furthermore, methane and hydrogen sulfide concentrations were correlated to nematode community characteristics such as trophic composition densities and genera composition. There was a clear difference between the communities above and below the dam. The discontinuous nematode community distribution indicated that the Ba Lai River is impacted by dam construction. Potentially the high deposition and eutrophication could turn the area into a methane-rich area related to predicted impact on nematodes.}},
  articleno    = {{770}},
  author       = {{Ngo Xuan, Quang and Nguyen, My Yen and Tran Thanh, Thai and Nguyen Thi Hai, Yen and Nguyen Van, Dong and Pham, Ngoc Hoai and Lins Pereira, Lidia and Vanreusel, Ann and Veettil, Bijeesh Kozhikkodan and Nguyen, Duc Hiep and Ho, Quoc Bang and Nguyen, Hong Quan and Prozorova, Larisa}},
  issn         = {{0167-6369}},
  journal      = {{ENVIRONMENTAL MONITORING AND ASSESSMENT}},
  keywords     = {{ORGANIC ENRICHMENT,HYDROGEN-SULFIDE,METHANE,DIVERSITY,LAKE,ASSEMBLAGES,SEDIMENTS,ABUNDANCE,DYNAMICS,BIOMASS,Ba Lai River,Ben Tre,Climate change,Environmental impact,Irrigation,Nematode,Reservoir}},
  language     = {{eng}},
  number       = {{SUPPL 2}},
  pages        = {{23}},
  title        = {{Impact of a dam construction on the intertidal environment and free-living nematodes in the Ba Lai, Mekong Estuaries, Vietnam}},
  url          = {{http://doi.org/10.1007/s10661-022-10187-5}},
  volume       = {{194}},
  year         = {{2022}},
}
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