A review of the systematics and distribution of <i>Chydorus ventricosus</i> Daday, 1898, with the first description of the male and redescription of the species

Rajapaksa, R.; Fernando, C. H.

doi:10.1139/z86-123

Cited by 10 publications

(8 citation statements)

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“…Found in several small temporary pools in autumn only. For a detailed description see Michael and Hann (1979), Fernando (1986a), andFrey (1982). Species of the Oriental region, distributed from India to China, records from other continents possibly belong to close undescribed species (Rajapaksa and Fernando, 1986a).…”

Section: Subfamily Chydorinaementioning

confidence: 99%

Cladocera (Crustacea: Branchiopoda) of Cat Tien National Park, South Vietnam

Sinev

Korovchinsky

2013

J Limnol

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Section: Subfamily Chydorinaementioning

confidence: 99%

Cladocera (Crustacea: Branchiopoda) of Cat Tien National Park, South Vietnam

Sinev

Korovchinsky

2013

J Limnol

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“…This species is so far known from this country from the states of Assam and Meghalaya. Chydorus ventricosus, an anomalous chydorid, was re-described by Rajapaksa & Fernando (1986). This species is known from Sri Lanka, Java, Africa and South America while it is so far observed in this country from southern, central and western India.…”

Section: Discussionmentioning

confidence: 99%

Faunal diversity of Cladocera (Crustacea: Branchiopoda) of Nokrek Biosphere Reserve, Meghalaya, northeastern India

Sharma¹,

Sharma²

2011

J. Threat. Taxa

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Thirty-four species of Cladocera, belonging to 24 genera and seven families, documented from the Nokrek Biosphere Reserve of Meghalaya indicate fairly speciose and diverse taxocoenosis and comprise 57.7% of species known from this state. Coronatella anodonta is the first confirmed report from India and two species are new records from Meghalaya. Disperalona caudata is an interesting Australasian element and a number of species show regional distributional importance. The Cladocera of the Nokrek Biosphere Reserve show tropical characteristics with Cosmopolitan > Cosmotropical species, and are characterized by a distinct richness of the littoralperiphytonic members of the Chydoridae as well as a paucity of limnetic elements. The species richness of Cladocera in various localities ranges between 11-24 (15±3) species.

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“…Only 41 sites had sufficient sedimentary remains needed to achieve a count of at least 100 individuals. Identification of the species followed mainly the procedure of Frey (, , , , , , , , ), Smirnov (, ); Rajapaksha (, ); Bos (); Rajapaksha and Fernando (,, , ,, ,,,); Dumont and Silva‐Briano (); and Yatigammana ().…”

Section: Methodsmentioning

confidence: 99%

“…Only 41 sites had sufficient sedimentary remains needed to achieve a count of at least 100 individuals. Identification of the species followed mainly the procedure of Frey (1959Frey ( , 1960Frey ( , 1962Frey ( , 1980Frey ( , 1982Frey ( , 1985Frey ( , 1986Frey ( , 1987Frey ( , 1988, Smirnov (1974Smirnov ( , 1996; Rajapaksha (1981Rajapaksha ( , 1986; Bos (2000); Rajapaksha and Fernando (1982a,b, 1985, 1986a,b, 1987a; Dumont and Silva-Briano (2000); and Yatigammana (2004).…”

Section: Preparation Of Microfossilsmentioning

confidence: 99%

Cladocera assemblages from reservoirs in Sri Lanka and their relationship to measured limnological variables

Yatigammana

Cumming

2017

Lakes & Reservoirs

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The potential of using surface‐sediment assemblages of Cladocera as bioindicators for reservoirs in Sri Lanka was assessed for their subfossil remains, along with contemporary physical and chemical measurements from each reservoir. The reservoirs span five climatic regions, from extremely arid environments to tropical montane forests, as well as three orders of magnitude changes in many physical and chemical variables. In total, although the remains of 39 Cladocera taxa from 21 genera were identified, only 31 taxa from 37 sites were present at sufficiently high abundances to assess their relation to measured environmental variables. Canonical correspondence analysis (CCA) identified surface area, maximum depth and chloride as the three most important measured environmental variables that could account for the variation in the cladoceran assemblages. Taxa such as Chydorus sphaericus, Alona aff. verrucosa and Leydigia acanthocercoides were more abundant in generally deeper, larger reservoirs, whereas Alonella excisa, Euryalona orientalis, Notoalona globulosa and Chydorus eurynotus were more abundant in shallow smaller reservoirs. Although there was a strong separation between climatic zones in terms of factors related to specific conductance, this factor only appears marginally important in separating cladoceran assemblages. Quantitative inference models developed to assess the strength of inferring environmental variables using partial least squares regression and calibration were all relatively weak, with jackknifed coefficient of determination values of 0.40, 0.28 and 0.27 for surface area, maximum depth and chloride, respectively. These results, in conjunction with large differences in eigenvalues between constrained and unconstrained ordinations, suggest that unmeasured environmental variables are also important in structuring cladoceran assemblages.

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A review of the systematics and distribution of Chydorus ventricosus Daday, 1898, with the first description of the male and redescription of the species

Cited by 10 publications

References 0 publications

Cladocera (Crustacea: Branchiopoda) of Cat Tien National Park, South Vietnam

Cladocera (Crustacea: Branchiopoda) of Cat Tien National Park, South Vietnam

Faunal diversity of Cladocera (Crustacea: Branchiopoda) of Nokrek Biosphere Reserve, Meghalaya, northeastern India

Cladocera assemblages from reservoirs in Sri Lanka and their relationship to measured limnological variables

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