carbon and nitrogen content of copepod faecal pellets: effect of food concentration and feeding...

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782 E. Biological Oceanography OLR (1987) 34 (9) Proc. biol. Soc. Wash., 100(1):173-181. Dept. of Invertebrate Zooi., Natl. Mus. of Nat. History, Smithsonian Institution, Washington, DC 20560, USA. 87:5204 Lindley, J.A,, 1987. Continuous plankton records. The geographical distribution and seasonal cycles of decapod crustacean larvae and pelagic postqarvae in the northeastern Atlantic Ocean and the North Sea, 1981-3. J. mar. biol. Ass. U.K., 67(1):145-167. Analyses of the distributions of 36 common taxa identified groupings which could be related to depth and temperature. The seasonal occurrences of planktonic larvae of benthic taxa correlated with sea-bottom temperature in the winter as well as parameters of the SST. Possible interpretations are discussed. Nat. Environ. Res. Council, Inst. for Mar. Environ. Res., Prospect Place, The Hoe, Plymouth PL1 3DH, UK. 87:5205 Liu, Ruiyu and Shaowu Wang, 1986. Studies on Mysinae (Crnstacea Mysidacea) of the northern South China Sea. Stud. mar. sin., 26:159-202. (In Chinese, English abstract.) Inst. of Oceanol., Acad. Sinica, People's Republic of China. 87:5206 Morales, C.E., 1987. Carbon and nitrogen content of copepod faecal pellets: effect of food concentra- tion and feeding behavior. Mar. Ecol.-Prog. Set., 36(2): 107-114. Copepods from Bedford Basin (Nova Scotia), mainly Pseudocalanus spp. and Temora longicornis, were fed different concentrations of the diatom Thalassiosira weissflogii. The feeding response of copepods to day-to-day changes in food concentrations involved adjustments of ingestion rate in <24 h; diel differences in ingestion rate were found in copepods acclimated to high food concentration but not in those acclimated to low food concentration. C and N content of faecal pellets was independent of food concentration, acclimation period to a given food concentration, and ingestion rates; a higher C:N ratio in faecal pellets than in the food suggested that N was assimilated more efficiently than C. Edificio Montecarlo, San Martin 570, Block D, depto. 16, Vifia del Mar, Chile. 87:5207 Myers, A.A., 1986. Amphipoda from the South Pacific: Tonga. Rec. Aust. Mus., 38(5-6):271-289. Dept. of Zool., Univ. College, Cork, Ireland. 87:5208 Myers, A.A. and J. Lyons, 1987. A re-evaluation of the South African species of Lemboides Stebbiug and Lembos Bate (Amphipoda, Aoridae) de- scribed by K.H. Barnard (1916). Ann, S. Afr. Mus., 97(9):267-282. Dept. of Zool., Univ. College, Cork, Ireland. 87:5209 Nadarajalingam, K. and T. Subramoniam, 1987. Influence of light on endocrine system and ovarian activity in the ocypodid crabs Ocypoda platytarsis and O. macrocera. Mar. Ecol.-Prog. Ser., 36(1):43-53. Subramoniam: c/o Wallis Clark, Bodega Mar. Lab., Univ. of Calif., Davis, Bodega Bay, CA 94923, USA. 87:5210 Nicol, S., A. James and G. Pitcher, 1987. A first record of daytime surface swarming by Euphausia lucens in the southern Benguela region. Mar. Biol., 940):7-10. On 9 October 1985 a daytime surface swarm of the euphausiid Euphausia lucens was observed and sampled in St. Helena Bay in the southern Benguela region. The swarm was monospecific, consisted of adults in pre-breeding condition and appeared to be feeding on detrital material. The swarm covered an estimated 46 ha, densities within it ranged .4- 150 × i04 individuals per m 3 and the swarm was estimated to contain ~5000 tonnes of euphausiids. No simple explanation for the presence of the swarm was apparent, lOl Edgeway Rd., Marston, Oxford OX30HF, UK. 87:5211 Ren, Xianqiu, 1986. Studies on Chinese Cirripedia (Crnstacea). VII. Family Pyrgomatidae. Stud. mar. sin., 26:129-158. (In Chinese, English abstract.) Inst. of Oceanol., Acad. Sinica, Peo- ple's Republic of China. 87:5212 Seiple, W.H. and M. Salmon, 1987. Reproductive, growth and life-history contrasts between two species of grapsid crabs, Sesarma cinereum and S. reticulatum. Mar. Biol., 94(1):I-6. Dept. of Ophthalmol., New York Univ. Med. Center, 550 First Ave., New York, NY 10016, USA. 87:5213 Sykes, P.F. and M.E. Huntley, 1987. Acute physi- ological reactions of CManus paeificus to selected dinoflageilates: direct observations. Mar. Biol., 94(1):19-24. Scripps Inst. of Oceanogr., A 008, La Jolla, CA 92093, USA.

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782 E. Biological Oceanography OLR (1987) 34 (9)

Proc. biol. Soc. Wash., 100(1):173-181. Dept. of Invertebrate Zooi., Natl. Mus. of Nat. History, Smithsonian Institution, Washington, DC 20560, USA.

87:5204 Lindley, J.A,, 1987. Continuous plankton records.

The geographical distribution and seasonal cycles of decapod crustacean larvae and pelagic postqarvae in the northeastern Atlantic Ocean and the North Sea, 1981-3. J. mar. biol. Ass. U.K., 67(1):145-167.

Analyses of the distributions of 36 common taxa identified groupings which could be related to depth and temperature. The seasonal occurrences of planktonic larvae of benthic taxa correlated with sea-bottom temperature in the winter as well as parameters of the SST. Possible interpretations are discussed. Nat. Environ. Res. Council, Inst. for Mar. Environ. Res., Prospect Place, The Hoe, Plymouth PL1 3DH, UK.

87:5205 Liu, Ruiyu and Shaowu Wang, 1986. Studies on

Mysinae (Crnstacea Mysidacea) of the northern South China Sea. Stud. mar. sin., 26:159-202. (In Chinese, English abstract.) Inst. of Oceanol., Acad. Sinica, People's Republic of China.

87:5206 Morales, C.E., 1987. Carbon and nitrogen content of

copepod faecal pellets: effect of food concentra- tion and feeding behavior. Mar. Ecol.-Prog. Set., 36(2): 107-114.

Copepods from Bedford Basin (Nova Scotia), mainly Pseudocalanus spp. and Temora longicornis, were fed different concentrations of the diatom Thalassiosira weissflogii. The feeding response of copepods to day-to-day changes in food concentrations involved adjustments of ingestion rate in <24 h; diel differences in ingestion rate were found in copepods acclimated to high food concentration but not in those acclimated to low food concentration. C and N content of faecal pellets was independent of food concentration, acclimation period to a given food concentration, and ingestion rates; a higher C:N ratio in faecal pellets than in the food suggested that N was assimilated more efficiently than C. Edificio Montecarlo, San Martin 570, Block D, depto. 16, Vifia del Mar, Chile.

87:5207 Myers, A.A., 1986. Amphipoda from the South

Pacific: Tonga. Rec. Aust. Mus., 38(5-6):271-289. Dept. of Zool., Univ. College, Cork, Ireland.

87:5208 Myers, A.A. and J. Lyons, 1987. A re-evaluation of

the South African species of Lemboides Stebbiug and Lembos Bate (Amphipoda, Aoridae) de- scribed by K.H. Barnard (1916). Ann, S. Afr. Mus., 97(9):267-282. Dept. of Zool., Univ. College, Cork, Ireland.

87:5209 Nadarajalingam, K. and T. Subramoniam, 1987.

Influence of light on endocrine system and ovarian activity in the ocypodid crabs Ocypoda platytarsis and O. macrocera. Mar. Ecol.-Prog. Ser., 36(1):43-53. Subramoniam: c/o Wallis Clark, Bodega Mar. Lab., Univ. of Calif., Davis, Bodega Bay, CA 94923, USA.

87:5210 Nicol, S., A. James and G. Pitcher, 1987. A first

record of daytime surface swarming by Euphausia lucens in the southern Benguela region. Mar. Biol., 940):7-10.

On 9 October 1985 a daytime surface swarm of the euphausiid Euphausia lucens was observed and sampled in St. Helena Bay in the southern Benguela region. The swarm was monospecific, consisted of adults in pre-breeding condition and appeared to be feeding on detrital material. The swarm covered an estimated 46 ha, densities within it ranged .4- 150 × i04 individuals per m 3 and the swarm was estimated to contain ~5000 tonnes of euphausiids. No simple explanation for the presence of the swarm was apparent, lOl Edgeway Rd., Marston, Oxford OX30HF, UK.

87:5211 Ren, Xianqiu, 1986. Studies on Chinese Cirripedia

(Crnstacea). VII. Family Pyrgomatidae. Stud. mar. sin., 26:129-158. (In Chinese, English abstract.) Inst. of Oceanol., Acad. Sinica, Peo- ple's Republic of China.

87:5212 Seiple, W.H. and M. Salmon, 1987. Reproductive,

growth and life-history contrasts between two species of grapsid crabs, Sesarma cinereum and S. reticulatum. Mar. Biol., 94(1):I-6. Dept. of Ophthalmol., New York Univ. Med. Center, 550 First Ave., New York, NY 10016, USA.

87:5213 Sykes, P.F. and M.E. Huntley, 1987. Acute physi-

ological reactions of CManus paeificus to selected dinoflageilates: direct observations. Mar. Biol., 94(1):19-24. Scripps Inst. of Oceanogr., A 008, La Jolla, CA 92093, USA.