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Article

Diversity of Freshwater Calanoid Copepods (Crustacea: Copepoda: Calanoida) in Southern Vietnam with an Updated Checklist for the Country

1
Department of Science and Technology, Faculty of Liberal Arts and Science, Roi Et Rajabhat University, Roi Et 45120, Thailand
2
Laboratory of Biodiversity and Environmental Management, International College, Khon Kaen University, Khon Kaen 40002, Thailand
3
Applied Taxonomic Research Center, Faculty of Science, Khon Kaen University, Khon Kaen 40002, Thailand
*
Author to whom correspondence should be addressed.
Academic Editors: Boris A. Levin and Yulia V. Bespalaya
Diversity 2022, 14(7), 523; https://doi.org/10.3390/d14070523
Received: 12 May 2022 / Revised: 26 June 2022 / Accepted: 27 June 2022 / Published: 28 June 2022
(This article belongs to the Special Issue Aquatic Biodiversity: Evolution, Taxonomy and Conservation)
The diversity of freshwater calanoid copepods from different habitats in Vietnam is investigated based on our findings from a field expedition in 2012–2013 and literature reviews. We collected 160 samples from 87 sites, including lakes, ponds, roadside canals, rivers, and rice fields in eight provinces of southern Vietnam. A total of 13 species belonging to eight genera and three families were recorded. Among these, four were recorded for the first time in Vietnam (Mongolodiaptomus malaindosinensis, Mongolodiaptomus mekongensis, Vietodiaptomus blachei, and Pseudodiaptomus siamensis). One unidentified taxon (Tropodiaptomus sp.) probably belongs to an undescribed species. Both Eodiaptomusdraconisignivomi and M. malaindosinensis were the most frequently encountered species (28.74% of the sampled sites), followed by Mongolodiaptomus botulifer (24.14%), while Neodiaptomus yangtsekiangensis, Tropodiaptomusoryzanus, and Tropodiaptomus sp. are rare species found in a single locality. To date, 40 calanoid species (33 in the family Diaptomidae) have been recorded from Vietnam, and an updated list is presented. Seven species are potentially endemic to Vietnam. At the same sampling dates, the species richness of the calanoids was a range of 1–5 species per locality. The results of the Canonical Correspondence Analysis showed that pH and conductivity tended to be positively related to the calanoid distribution. View Full-Text
Keywords: Diaptomidae; distribution; endemic species; environmental variables; habitats; Mekong River; Southeast Asia; Tropodiaptomus sp. Diaptomidae; distribution; endemic species; environmental variables; habitats; Mekong River; Southeast Asia; Tropodiaptomus sp.
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MDPI and ACS Style

Boonmak, P.; Sanoamuang, L. Diversity of Freshwater Calanoid Copepods (Crustacea: Copepoda: Calanoida) in Southern Vietnam with an Updated Checklist for the Country. Diversity 2022, 14, 523. https://doi.org/10.3390/d14070523

AMA Style

Boonmak P, Sanoamuang L. Diversity of Freshwater Calanoid Copepods (Crustacea: Copepoda: Calanoida) in Southern Vietnam with an Updated Checklist for the Country. Diversity. 2022; 14(7):523. https://doi.org/10.3390/d14070523

Chicago/Turabian Style

Boonmak, Phuttaphannee, and Laorsri Sanoamuang. 2022. "Diversity of Freshwater Calanoid Copepods (Crustacea: Copepoda: Calanoida) in Southern Vietnam with an Updated Checklist for the Country" Diversity 14, no. 7: 523. https://doi.org/10.3390/d14070523

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