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Calanoida ( Order ) |
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Diaptomoidea ( Superfamily ) |
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Pseudodiaptomidae ( Family ) |
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Pseudodiaptomus ( Genus ) |
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Pseudodiaptomus mertoni Früchtl, 1923 (F,M) | |
| | | | | | | Syn.: | ? Pseudodiaptomus mertoni : Saraswathy, 1966 (1967) (p.79);
P. aurivilli : Ummerkutty,1964 (p.48);
no P. mertoni : Sewell, 1932 (p.241, fig.M); 1933 (p.27); Wellershaus, 1969 (p.256); Pillai, 1976 (1980) (p.248, figs.F,M) | | | | Ref.: | | | Früchtl, 1923 (p.455, figs.F,M); 1924 b (p.49, figs.F,M, Rem.); Sewell, 1932 (p.241, fig.M); 1948 (p.323); Greenwood, 1977 (p.66, Rem.); Dussart & Defaye, 1983 (p.32); Grindley, 1984 (p.221, fig.M, Rem.); Walter, 1984 (p.374, fig.M, Rem.); 1986 (p.132); 1986 a (p.503); 1987 (p.367, 368, Descr., figs.F,M, Rem.); Bradford-Grieve,1999 b (p.112, figs.F,M, Rem., fig.181) |  issued from : T.C. Walter in Proc. Biol . Soc. Wash., 1984, 97 (2). [p.377, Fig.3, A]. Male (from India): P5 (posterior view; redrawn from Früchtl, 1923)
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 issued from : T.C. Walter in Aust. J. Mar. Freshw. Res., 1987, 38. [p.369, Fig.2]. Female (from Port Curtis, Queensland): A, habitus (dorsal); B, last thoracic segment and urosome (lateral left side); C, P5 (posterior view). Male: D, habitus (dorsal); E, last thoracic segment and urosome (lateral right side); F, P5 (posterior view); G, lateral view of right endopod; H, P5 (anterior view).
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 Issued from : S. Wellershaus in Veröff. Inst. Meeresforsch. Bremerh., 1969, 11 (2). [p.257, Table 2]. List of characters for Pseudodiaptomus mertoni female according to Früchtl, 1923, after Wellershaus.
| | | | | Compl. Ref.: | | | Madhupratap & Haridas, 1986 (p.105, tab.2); Jacoby & Greenwood, 1989 (p.131, Table 5, 6, 7, 8, 9, 10); Othman & al., 1990 (p.561, 563, Table 1); Dalal & Goswami, 2001 (p.22, fig.2); Greenwood & al., 2002 (p.17, Table 2); McKinnon & al., 2008 (p.844: Tab.1) | | | | NZ: | 3 | | |
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Distribution map of Pseudodiaptomus mertoni by geographical zones
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| | | | | |  Issued from : J.G. Greenwood in Estuar. Coast. Shelf Sci., 1981, 13. [p.593, Fig. 1, c, d).
Salinity-temperature-dominance relationships in occurrences of two congeneric species pairs: Pseudodiaptomus colefaxi (a) and Pseudodiaptomus mertoni (b).
DS scale refers to grades of dominance (see methods).
This diagram is used to demonstrate differences in ecological requirments of the congenors.
Samples taken by sampling monthly over three years at several stations within the Moreton Bay estuarine system.
The existence of such closely related sympatric species is of great interest concerning interspecific competition and the notion of 'niche theory'. The principles of these topics are summarized by Whittaker (1975), Odum (1971). Possible ways in which zooplanctonic populations may avoid or reduce direct competition have been summatrized by Pejler (1962) as 1- spatial (e.g. by differing horizontal/or vertical distributions; 2- functional differences, e.g. by selective feeding preferences; 3- temporal differences by species populations reaching maxima at different times of the year; and other factors as predators or toxicity.
For the author (p.594), P. colefaxi has retained a more flexible gene pool while its congenitor P. mertoni has specialized and is more efficient towaed the upper end of both salinity and temperature ranges. |
| | | | Loc: | | | W India, Thailand, Indonesia-Malaysia, Australia, G. of Carpentaria, North West Cape, Brisbane River estuary) | | | | N: | 12 | | | | Lg.: | | | ? (530) F: 1,2; M: 1; (863) F: 1,1-1,3; M: 0,91-0,93; {F: 1,1-1,3; M: 0,91-1} | | | | Rem.: | Brackish, estuary-neritic.
Incomplete data.
In Hyalinus species group (aurivilli subgroup) after Walter & al. 2006, p.203. | | | Last update : 18/12/2017 | |
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 Any use of this site for a publication will be mentioned with the following reference :
Razouls C., Desreumaux N., Kouwenberg J. and de Bovée F., 2005-2024. - Biodiversity of Marine Planktonic Copepods (morphology, geographical distribution and biological data). Sorbonne University, CNRS. Available at http://copepodes.obs-banyuls.fr/en [Accessed April 25, 2024] © copyright 2005-2024 Sorbonne University, CNRS
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