Microcrustacean (Cladocera and Copepoda) Assemblages of a Tropical Karst Lake District

Fernández, Rocío; Alcocer, Javier; Oseguera, Luis A.

doi:10.3390/d14070564

Cited by 4 publications

(1 citation statement)

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“…This finding confirms that the co-existence of diaptomids in the lower Mekong Basin is the highest recorded, with 1-7 species in Thailand [19] and 1-5 species in Vietnam [25]. A moderately high cooccurrence of 1-4 diaptomid species was reported in India's Northern Western Ghats [39] and in a tropical karst lake district of Mexico [49]. However, in most waterbodies from other regions, only one species was collected from each waterbody, such as in Malaysia [44], Japan [50], and New Zealand [51].…”

Section: Discussionsupporting

confidence: 81%

Distribution and Diversity of Diaptomid Copepods in Freshwater Habitats of Cambodia (Crustacea: Copepoda: Calanoida: Diaptomidae)

Chaicharoen

Sanoamuang

2022

Diversity

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Freshwater diaptomid copepods in Cambodia are poorly studied, and only seven taxa were known previously. From February to October 2007, 255 samples were collected from 237 freshwater sites in nine provinces representing four regions (northwest, Cardamom and Elephant Mountains, Mekong Lowlands, and east) of Cambodia. Diversity, seasonal occurrence, geographical distribution of each species, and a checklist of diaptomid copepods are documented. In this case, 24 species were recorded, including two undescribed species belonging to the genera Phyllodiaptomus and Tropodiaptomus. In this case, 14 species are recorded for the first time in Cambodia, and Mongolodiaptomus formosanus has been recorded for the first time in Southeast Asia. One species appears to be endemic to Cambodia and nine to the lower Mekong River Basin. Mongolodiaptomus malaindosinensis was the most common, frequently recorded throughout the four regions (40.5% of the sampled sites), followed by Vietodiaptomus blachei (39.2%), Eodiaptomus phuvongi (38.8%), Mongolodiaptomus formosanus (31.2%), and Eodiaptomus draconisignivomi (27.4%). Very rare species such as Eodiaptomus sanoamuangae, Tropodiaptomus vicinus, Mongolodiaptomus calcarus, and Tropodiaptomus sp. were only recorded at 0.4% to 0.8% of the sampled sites. The species diversity of Cambodia is most similar to that of Thailand, where 22 species (91.6%) occur both in Cambodia and Thailand, and 12 (50%) of the species have been recorded in both Cambodia and Vietnam.

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