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OLR (1985) 32 (12) E. Biological Oceanography 1047 419-431. Ecol. and Evol. Dept., SUNY, Stony Brook, NY 11794, USA. 85:7279 Lysenko, V.N., 1985. Growth, reproduction and production of five shrimp species in the eelgrass community of Melkovodnaya Bay (Sea of Japan). Biologiya mor., Akad. Nauk SSSR, 1:28-37. (In Russian, English abstract.) Inst. of Mar. Biol., Far East Sci. Center, Acad. of Sci., Vladivostok 690022, USSR. 85:7280 Mohan, R. and T. Kannupandi, 1985. Life history of laboratory reared spider crab, Doclea oris (Herbst). Indian J. mar. Sci., 14(1):24-30. Centre of Advanced Study in Mar. Biol., Annamalai Univ., Parangipettai 608 502, India. 85:7281 Morris, M.J., G. Gust and J.J. Torres, 1985. Propulsion efficiency and cost of transport for copepods: a hydromecbanieai model of crustacean swimming. Mar. Biol., 86(3):283-295. Univ. of So. Florida, Dept. of Mar. Sci., St. Petersburg, FL 33701, USA. 85:7282 Pretzmann, Gerhard, 1984. Results of the Austrian- Indian hydrobiological mission 1976 to the An- daman Islands. Part III. Brachyura from the Andaman Islands. Annln naturh. Mus. Wien, 86(B): 141-144. 85:7283 Reck, G.K., 1984. [Lobster species of the Gaiapagos Islands, 1974-1979.] Boln cient, tec., Guayaquil, 6(3):49-75. (In Spanish, English abstract.) Inst. Nac. de Pesca, Casilla 5918, Guayaquil, Ecua- dor. 85:7284 Runge, J.A., I.A. McLaren, C.J. Corkett, R.N. Bohrer and J.A. Koslow, 1985. Molting rates and cohort development of Calanus finmarchicus and C. glacialis in the sea off southwest Nova Scotia. Mar. Biol., 86(3):241-246. Dept. of Oceanogr,, Dalhousie Univ., Halifax, NS B3H 4J1, Canada. 85:7285 Sainte-Marie, Bernard and Pierre Brunel, 1985. Suprabenthic gradients of swimming activity by cold-water gammaridean amphipod Crustacea over a muddy shelf in the Gulf of Saint Lawrence. Mar. Ecol.-Prog. Ser., 23(1):57-69. The area yielded 82 species belonging to 27 families. Fifty-one species regarded as suprabenthic are grouped into 7 categories according to amplitude, intensity and regularity of their swimming behavior. The 14 Oedicerotidae account for 88% of supra- benthic amphipods, whereas in the endobenthos the lysianassid Paratryphosites abyssi is dominant (53%), the Oedicerotidae comprising only 3.3%. Permanent members of the suprabenthos, including large pred- atory species, a carrion feeder, and many detri- tivores, are thought to forage in the suprabenthic layer. Dept. of Biol., Dalhousie Univ., Halifax, NS B3H 4J1, Canada. 85:7286 Saint-Jean, Lucien and Marc Pagano, 1984. Influ- ence of salinity, temperature and food on weight increment and eggs production of Acartia clansi in Ebrie Lagoon (Ivory Coast). Revue Hydrobiol. trop., 17(3):235-244. (In French, English ab- stract.) Centre de Rech. Oceanogr., B.P. V 18, Ahidjan, Ivory Coast. 85:7287 Shen, Guoying, Weixiong Lin, Zhaoli Xu and Jiandong Hong, 1984. Ingestion and absorption of Penaeus penicillatus larvae, Taiwan Strait, 3(2):217-223. (In Chinese, English abstract.) Dept. of Oceanogr., Xiamen Univ., People's Republic of China. 85:7288 Simard, Yvan, Guy Lacroix and Louis Legendre, 1985. In-situ twilight grazing rhythm during diel vertical migrations of a scattering layer of Calanus finmarchiens. Limnol. Oceanogr., 30(3): 598-606. Two strata (0-30 m and 30-100 m) were monitored; phytoplankton were restricted to the upper stratum. The first feeding period in the upper stratum begins after sunset; it is followed by the 'midnight sinking' to the deeper stratum during which (2-3 h) the gut content is evacuated. After this, the animals return to the upper stratum for a second meal, before the dawn descent. In both migrations, there was a dynamic interchange of individuals between the two strata, which masked the fact that all the copepods migrated to the upper stratum and that a dawn rise actually happened. Feeding time in the warmer surface water was very short. A large increase in the number of migrants did not change the feeding patterns. Results support the hypothesis that the behavior of C. finmarchicus in late summer is closely linked to an in-situ grazing rhythm. GIROQ, Dept. de biol., Univ. Laval, PQ G1K 7P4, Canada.

Suprabenthic gradients of swimming activity by cold-water gammaridean amphipod Crustacea over a muddy shelf in the Gulf of Saint Lawrence

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Page 1: Suprabenthic gradients of swimming activity by cold-water gammaridean amphipod Crustacea over a muddy shelf in the Gulf of Saint Lawrence

OLR (1985) 32 (12) E. Biological Oceanography 1047

419-431. Ecol. and Evol. Dept., SUNY, Stony Brook, NY 11794, USA.

85:7279 Lysenko, V.N., 1985. Growth, reproduction and

production of five shrimp species in the eelgrass community of Melkovodnaya Bay (Sea of Japan). Biologiya mor., Akad. Nauk SSSR, 1:28-37. (In Russian, English abstract.) Inst. of Mar. Biol., Far East Sci. Center, Acad. of Sci., Vladivostok 690022, USSR.

85:7280 Mohan, R. and T. Kannupandi, 1985. Life history of

laboratory reared spider crab, Doclea oris (Herbst). Indian J. mar. Sci., 14(1):24-30. Centre of Advanced Study in Mar. Biol., Annamalai Univ., Parangipettai 608 502, India.

85:7281 Morris, M.J., G. Gust and J.J. Torres, 1985.

Propulsion efficiency and cost of transport for copepods: a hydromecbanieai model of crustacean swimming. Mar. Biol., 86(3):283-295. Univ. of So. Florida, Dept. of Mar. Sci., St. Petersburg, FL 33701, USA.

85:7282 Pretzmann, Gerhard, 1984. Results of the Austrian-

Indian hydrobiological mission 1976 to the An- daman Islands. Part III. Brachyura from the Andaman Islands. Annln naturh. Mus. Wien, 86(B): 141-144.

85:7283 Reck, G.K., 1984. [Lobster species of the Gaiapagos

Islands, 1974-1979.] Boln cient, tec., Guayaquil, 6(3):49-75. (In Spanish, English abstract.) Inst. Nac. de Pesca, Casilla 5918, Guayaquil, Ecua- dor.

85:7284 Runge, J.A., I.A. McLaren, C.J. Corkett, R.N.

Bohrer and J.A. Koslow, 1985. Molting rates and cohort development of Calanus finmarchicus and C. glacialis in the sea off southwest Nova Scotia. Mar. Biol., 86(3):241-246. Dept. of Oceanogr,, Dalhousie Univ., Halifax, NS B3H 4J1, Canada.

85:7285 Sainte-Marie, Bernard and Pierre Brunel, 1985.

Suprabenthic gradients of swimming activity by cold-water gammaridean amphipod Crustacea over a muddy shelf in the Gulf of Saint Lawrence. Mar. Ecol.-Prog. Ser., 23(1):57-69.

The area yielded 82 species belonging to 27 families. Fifty-one species regarded as suprabenthic are grouped into 7 categories according to amplitude, intensity and regularity of their swimming behavior. The 14 Oedicerotidae account for 88% of supra- benthic amphipods, whereas in the endobenthos the lysianassid Paratryphosites abyssi is dominant (53%), the Oedicerotidae comprising only 3.3%. Permanent members of the suprabenthos, including large pred- atory species, a carrion feeder, and many detri- tivores, are thought to forage in the suprabenthic layer. Dept. of Biol., Dalhousie Univ., Halifax, NS B3H 4J1, Canada.

85:7286 Saint-Jean, Lucien and Marc Pagano, 1984. Influ-

ence of salinity, temperature and food on weight increment and eggs production of Acartia clansi in Ebrie Lagoon (Ivory Coast). Revue Hydrobiol. trop., 17(3):235-244. (In French, English ab- stract.) Centre de Rech. Oceanogr., B.P. V 18, Ahidjan, Ivory Coast.

85:7287 Shen, Guoying, Weixiong Lin, Zhaoli Xu and

Jiandong Hong, 1984. Ingestion and absorption of Penaeus penicillatus larvae, Taiwan Strait, 3(2):217-223. (In Chinese, English abstract.) Dept. of Oceanogr., Xiamen Univ., People's Republic of China.

85:7288 Simard, Yvan, Guy Lacroix and Louis Legendre,

1985. In-situ twilight grazing rhythm during diel vertical migrations of a scattering layer of Calanus finmarchiens. Limnol. Oceanogr., 30(3): 598-606.

Two strata (0-30 m and 30-100 m) were monitored; phytoplankton were restricted to the upper stratum. The first feeding period in the upper stratum begins after sunset; it is followed by the 'midnight sinking' to the deeper stratum during which (2-3 h) the gut content is evacuated. After this, the animals return to the upper stratum for a second meal, before the dawn descent. In both migrations, there was a dynamic interchange of individuals between the two strata, which masked the fact that all the copepods migrated to the upper stratum and that a dawn rise actually happened. Feeding time in the warmer surface water was very short. A large increase in the number of migrants did not change the feeding patterns. Results support the hypothesis that the behavior of C. finmarchicus in late summer is closely linked to an in-situ grazing rhythm. GIROQ, Dept. de biol., Univ. Laval, PQ G1K 7P4, Canada.