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The habitat preferences of nematode assemblages in relation to the sediment granulometry in the Ba Lai estuary, Vietnam

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dc.contributor.author Nguyen, My Yen
dc.contributor.author Tran, Thai Thanh
dc.contributor.author Ngo, Xuan Quang
dc.contributor.author Nguyen, Xuan Dong
dc.contributor.author Nguyen, Thi Phuong Thao
dc.contributor.author Veettil, Bijeesh Kozhikkodan
dc.contributor.author Vanreusel, Ann
dc.contributor.author Nguyen, Ngoc Lam
dc.date.accessioned 2022-11-01T09:48:03Z
dc.date.available 2022-11-01T09:48:03Z
dc.date.issued 2022
dc.identifier.issn 2352-4855
dc.identifier.uri http://113.160.249.209:8080/xmlui/handle/123456789/20709
dc.description.abstract This study investigated the habitat preference of nematode communities in relation to sediment composition in the Ba Lai dammed estuary, which is a branch of Mekong estuarine system in the southern Vietnam. Sediment samples were collected for granulometry and nematode analyses in dry season from 6 subtidal stations along the estuary starting from its mouth, of which three were in the downstream of the dam and the other three located in the upstream. The present research showed the heterogeneity in sediment granulometry, which is mostly represented by silt component, except sandy sediment in the estuarine mouth and sand–silt sediment in the middle part. The nematode assemblage was low in abundance but high in diversity including genera richness and Shannon–Wiener diversity index. The communities showed differences in the habitat preference associated with sediment. The higher silt component presented in the riverbed was found to be limiting factor for abundance and diversity and genus Pseudochromadora. Pseudochromadora was dominant in the mouth station, which is characterized as sandy sediment, Rhabdolaimus was abundant in sand–silt bottom, while two genera Parodontophora and Theristus thrived in the silty environment. vi,en
dc.language.iso en vi,en
dc.relation.ispartofseries Regional Studies in Marine Science, Vol. 55: p. 102641, 2022; https://doi.org/10.1016/j.rsma.2022.102641;
dc.subject Mekong delta vi,en
dc.subject Aquatic nematode vi,en
dc.subject Distribution vi,en
dc.subject Pseudochromadora vi,en
dc.subject Parodontophora vi,en
dc.subject Theristus vi,en
dc.subject Dominant groups vi,en
dc.title The habitat preferences of nematode assemblages in relation to the sediment granulometry in the Ba Lai estuary, Vietnam vi,en
dc.type Working Paper vi,en


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