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Fiche d'espèce de Copépode |
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Calanoida ( Ordre ) |
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Metridinidae ( Famille ) |
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Metridia ( Genre ) |
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Metridia okhotensis Brodsky, 1950 (F,M) | |
| | | | | | | Syn.: | Metridia ochotensis : Motoda, 1966 (p.260); Brodsky, 1964 (p.105, 107); Vinogradov, 1968 (1970) (p.54, 56, 58, 60, 65, 109, 124, 291); Coyle & al., 1990 (p.763); Park, W & al., 2004 (p.464, tab.1); Pinchuk & Paul, 2000 (p.4, table 1, % occurrence, biomass: fig.5, 6, 7, 5, 9, 10, 23);
? Metridia longa : Davis, 1949 | | | | Ref.: | | | Brodsky, 1950 (1967) (p.293, Descr.F, figs.F); Tanaka, 1963 (p.19, figs.F); Shih & al., 1971 (p.148, Rem.); Minoda, 1971 (p.35); Brodsky, 1977 (p.4, Descr.M, figs.M, juv.M); Gardner & Szabo, 1982 (p.326, figs.F); Szabo & Gardner, 1986 (p.1555, figs.F,M, juv., Appendix); Chihara & Murano, 1997 (p.837, tab.6, Pl.129: F) |  issued from : O. Tanaka in Publs Seto Mar. Biol. Lab., 1963, XI (1). [p.20, Fig.158]. Female: a, habitus (dorsal); b, A1 (segments 1-14); c, last thoracic segment and genital somite (left lateral side); d, P5. Nota: The urosome segments and furca are in the proportional lengths: 38:22:19:21 = 100.
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 Issued from : K.A. Brodskii in Calanoida of the Far Eastern Seas and Polar Basin of the USSR. Opred. Fauna SSSR, 1950, 35 (Israel Program for Scientific Translations, Jerusalem, 1967) [p.293, Fig.199]. Female (from S Okhotsk Sea): habitus (dorsal and lateral left side); Do, urosome (dorsal); S5, P5.
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 issued from : I. Szabo & G.A. Gardner in Can. J. Zool., 1986, 64 (7). [p.1559, Fig.3]. Female (from British Columbia): habitus (dorsal and lateral right side) and swimming legs. Nota: Prosome: urosome ratio 1.81 ±0.09 (at 95% confidence interval). metasome 3-segmented. A1 22-segmented, symmetrical, no longer than prosome Scale bar refers tu habitus only.
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 issued from : I. Szabo & G.A. Gardner in Can. J. Zool., 1986, 64 (7). [p.1559, Fig.3]. Male (from British Columbia): habitus (dorsal and lateral right side), A1 (distal portion), and swimming legs. Nota: Prosome:urosome ratio 1.70 ± 0.08 (at 95% confidence interval). A1 20-segmented, left geniculate (articulating between segments 17-18). Scale bar refers to habitus only.
| | | | | Ref. compl.: | | | Omori, 1969 (p.5, Table 1); Morris, 1970 (p.2301); Gordon & al., 1985 (p.89, Table 2, 3, 4, fish diet); Mackas & Anderson, 1986 (p.115, Table 2); Sasaki al., 1988 (p.505, tab.1, fecal pellets flux); Hattori, 1989 (p.39); Hattori, 1991 (tab.1, Appendix); Shih & Marhue, 1991 (tab.2); Kotani & al., 1996 (tab.2); Bragina, 1999 (p.196); Yamaguchi & al., 2002 (p.1007, tab.1); Yamaguchi & al., 2004 (p.480, tab.2); Ikeda & al., 2006 (p.1791,Table 2); Liu & Hopcroft, 2008 (p.931: Table IV); Kobari & al., 2008 (p.1648, coppodids I-VI, depth distribution); Takahashi & al., 2008 (p.222, Table 2, grazing impact); Galbraith, 2009 (pers. comm.); Chiba & al., 2009 (p.1846, Table 1, occurrence vs temperature change); Takahashi & al., 1777, vertical distribution, downward carbon transport); Kobari & al., 2010 (p.1703: feeding, fig.3); Yamaguchi & al., 2010 (p.1679, figs.4, 10, population structure); Yamaguchi & al., 2010 (p.1691, figs.2, 5, 9, Table 2, vertical distribution); Homma & Yamaguchi, 2010 (p.965, Table 2); Homma & al., 2011 (p.29, Table 2, abundance, feeding pattern: suspension feeders); Takenaka & al., 2012 (p.1669, fig.2, 3, Table 1, bioluminescence); Kobari & al., 2013 (p.78, Table 2); Chiba S. & al., 2015 (p.968, Table 1: length vs climate) | | | | NZ: | 3 | | |
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Carte de distribution de Metridia okhotensis par zones géographiques
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| | |  Issued from : A.I. Pinvhuk & A.J. Paul in Univ. Alaska Sea Grant College Progr., 2000. [p.7, Fig.5].
A = vertical distribution of water temperazture. B = total zooplankton biomass (mg.m3). C = Metridia ochotensis biomass (mg.m3) on the profile along 54°19'N in summer 1965; mesh = 0.168. (from Kotlyar & Chernyavskiy, 1970b) |
 Issued from : A.I. Pinvhuk & A.J. Paul in Univ. Alaska Sea Grant College Progr., 2000. [p.7, Fig.6].
A = vertical distribution of water temperature. B = total zooplankton biomass (mg.m3). D = Metridia ochotensis biomass (mg.m3) on the profile along 57°16'N in summer 1967; mesh = 0.168. (from Kotlyar & Chernyavskiy, 1970b) |
 Issued from : A.I. Pinvhuk & A.J. Paul in Univ. Alaska Sea Grant College Progr., 2000. [p.11, Fig.9].
A = vertical distribution of water temperature. B = total zooplankton biomass (mg.m3). D = Metridia ochotensis biomass (mg.m3) on the profile along 151°20' E E in summers 1964 and 1965; mesh = 0.168. (from Kotlyar & Chernyavskiy, 1970b). |
 Issued from : A.I. Pinvhuk & A.J. Paul in Univ. Alaska Sea Grant College Progr., 2000. [p.9, Fig.7].
A = vertical distribution of water temperature. B = total zooplankton biomass (mg.m3). D = Metridia ochotensis biomass (mg.m3) on the profile along 147°33' E in summer 1964; mesh = 0.168. (from Kotlyar & Chernyavskiy, 1970b) |
 Issued from : A.I. Pinvhuk & A.J. Paul in Univ. Alaska Sea Grant College Progr., 2000. [p.10, Fig.8].
A = vertical distribution of water temperature. B = total zooplankton biomass (mg.m3). D = Metridia ochotensis biomass (mg.m3) on the profile along 147°35' E in summer 1967; mesh = 0.168. (from Kotlyar & Chernyavskiy, 1970b). |
 Issued from : A.I. Pinvhuk & A.J. Paul in Univ. Alaska Sea Grant College Progr., 2000. [p.12, Fig.10].
A = vertical distribution of water temperature. B = total zooplankton biomass (mg.m3). D = Metridia ochotensis biomass (mg.m3) between Cape Evreinov and Cape Hayryuzov in summers 1965 and 1967; mesh = 0.168. (from Kotlyar & Chernyavskiy, 1970b) |
 Issued from : A.I. Pinvhuk & A.J. Paul in Univ. Alaska Sea Grant College Progr., 2000. [p.20, Figs.22, 23]. From Kotlyar, 1965.
left chart (fig.22): Distribution of zooplankton biomass (mg.m3) in the 0-100 m layer in the northern Okhotsk Sea during August 1964.
Right chart (fig.23): Distribution of Metridia ochotensis biomass (mg.m3) in the 0-100 m layer in the northern Okhotsk Sea during August 1964. |
 Issued from : A.I. Pinvhuk & A.J. Paul in Univ. Alaska Sea Grant College Progr., 2000. [p.30, Fig.35 C].
Distribution of Metridia ochotensis biomass (mg.m3) in the 0-100 m layer in the Okhotsk Sea.
See legend in Metridia pacifica (fig.35 D) 1: September-October 1652 (extended line); 2: June-July 1951 (dotted line). (from Lubny-Gertsik, 1959).
Nota: Compare with Metridia pacifica (Fig. 35 D). |
| | | | Loc: | | | Japan (Izu, Onagawa, off Sanriku), Kuroshio region, Hokkaido, off SE Hokkaido, Oyashio region), off SE Kuril Is., Okhotsk Sea, Bering Sea, S Aleutian Basin, Station Knot, Alaska (Auke Bay, Icy Strait), British Columbia , Fjord system (Alice Arm & Hastings Arm), Portland Inlet, Vancouver Is. | | | | N: | 38 | | | | Lg.: | | | (22) F: 4,5; (26) F: 4,8; (208) F: 4,5; (834) M: 2,9-3,1; (869) F: 4,14-4,11; M: 2,77-2,75; {F: 4,11-4,80; M: 2,75-3,10}
The mean female size is 4.410 mm (n = 5; SD = 0.2877), and the mean male size is 2.880 mm (n = 4; SD = 0.1610). The size ratio (male : female) is about 0.65.
Remarks: the size difference between male and female is not usual.
Chiba S. & al., 2015 (p.971, Table 1: Total length female (June-July) = 4.7 mm [optimal SST (°C) = 5.9]. | | | | Rem.: | épi-méso-bathypélagique.
Voir aussi les remarques en anglais | | | Dernière mise à jour : 26/02/2019 | |
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Razouls C., Desreumaux N., Kouwenberg J. et de Bovée F., 2005-2025. - Biodiversité des Copépodes planctoniques marins (morphologie, répartition géographique et données biologiques). Sorbonne Université, CNRS. Disponible sur http://copepodes.obs-banyuls.fr [Accédé le 25 janvier 2025] © copyright 2005-2025 Sorbonne Université, CNRS
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