Fiche d'espèce de Copépode
Calanoida ( Ordre )
    Diaptomoidea ( Superfamille )
        Pseudodiaptomidae ( Famille )
            Pseudodiaptomus ( Genre )
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)
Espèce Pseudodiaptomus mertoni - Planche 1 de figures morphologiquesissued 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)


Espèce Pseudodiaptomus mertoni - Planche 2 de figures morphologiquesissued 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).


Espèce Pseudodiaptomus mertoni - Planche 3 de figures morphologiquesIssued 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.

Ref. compl.:
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

Carte de distribution de Pseudodiaptomus mertoni par zones géographiques
Espèce Pseudodiaptomus mertoni - Carte de distribution 2Issued 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.: saumâtre, estuaire-néritique.
Incomplete data.
Voir aussi les remarques en anglais
Dernière mise à jour : 18/12/2017

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Razouls C., Desreumaux N., Kouwenberg J. et de Bovée F., 2005-2021. - Biodiversité des Copépodes planctoniques marins (morphologie, répartition géographique et données biologiques). Sorbonne Université, CNRS. Disponible sur http://copepodes.obs-banyuls.fr [Accédé le 19 mai 2021]

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