Fróðskaparrit - 31.12.2000, Side 98

Fróðskaparrit - 31.12.2000, Side 98
102 REPRODUCTION OF FAROE PLATEAU COD: SPAWNING GROUNDS, EGG ADVECTION AND LARVAL FEEDING larvae will be in years with moderate ad- vection of overwintered C. finmarchicus onto the shelf. Acknowledgements We wish to thank A. Henriksen, R. Kristiansen, B. Mikkelsen, R. Mouritsen, K. Nattestad, D. Olsen, M. Pedersen, and J. Reinert for technical assistance; B. Hansen for processing the CTD data; R N. Vilhelm for statistical support; and the reviewers for their construc- tive comments on the manuscript. Literature Bleil, M. and Oeberst, R. 1998. The spawning of cod ('Gadus morhua morhua) under controlled condi- tions of captivity, quantity and quality of spawned eggs. ICES C.M. 1998/DD:3.21 pp. Chambers, R.C. and Waiwood, K.G. 1996. Maternal and seasonal differences in egg sizes and spawning characteristics of captive Atlantic cod, Gadus morhua. Can. J. Fish. Aquat. Sci. 53: 1986-2003. Diel, S., and Tande, K. 1992. Does the spawning of Calanus finmarchicus in high latitudes follow a re- producible pattern? Mar. Biol. 113: 21-31. Ellertsen, B., Solemdal, P., Stromme. T., Tilseth. S. and Westergárd, T. 1980. Some biological aspects of cod larvae (Gadus morhua L.). Fisk Dir. Skr. Ser. Hav Unders. 17: 20-47. Fossum, P. 1986. A staging system for larval cod {Gadus morhua L.). Fisk Dir. Skr. Ser. Hav Unders. 18: 69-76. Gaard, E. 1994. Advection and seasonal development of the copepod Calanus finmarchicus on the Faroe Plateau. ICES C.M. 1994/L 21. 16 pp. Gaard, E. 1996. Phytoplankton community structure on the Faroe Shelf. Fróðskaparrit 44: 95-106. Gaard, E. 1999. Zooplankton community structure in re- lation to its biological and physical environment on the Faroe Shelf, 1989-1997. J. Plankton Res. 21: 1133-1152. Gaard, E. 2000. Seasonal abundance and development of Calanus fmmarchicus in relation to phytoplank- ton and hydrography on the Faroe Shelf. ICES J. Mar. Sci. 57: 1605-1611. Gaard, E., Hansen, B., and Heinesen, S.P. 1998. Phyto- plankton variability on the Faroe Shelf. ICES J. Mar. Sci. 55: 688-696. Gaard, E. and Hansen, B. 2000. Variations in the advec- tion of Calanus finmarchicus onto the Faroe Shelf. ICESJ. Mar. Sci. 57: 1612-1618. Gaard, E., and Reinert, J. 2000. Pelagic cod and had- dock on the Faroe Plateau: Distribution, diets and feeding habitats. Sarsia (in print). Hansen, B. 1992. Residual and tidal currents on the Faroe Plateau. ICES C. M. 1992/C:12. 18 pp. Hansen, B. 2000. Havid. [The Sea]. 237 pp. Tórshavn. Hansen, B., Kristiansen, A. and Reinert J. 1990. Cod and haddock in Faroese waters and possible climat- ic influences on them. ICES C. M. 1990/G:33. 23 pp. Hansen, B., Gaard, E. and Reinert, J. 1994. Physical ef- fects on recruitment of Faroe Plateau cod. ICES Mar. Sci. Symp. 198: 520-528. Hansen, B., and Larsen, K.M.H. 1999. Traditional cur- rent meter observations in Faroese offshore waters 1977-1994. The Faroese Fisheries Laboratory Technical Report 1999-01. 193 pp. Heath, M.R. 1999. The ascent migration of Calanusfin- marchicus from overwintering depths in the Faroe- Shetland Channel. Fish. Oceanogr. 8 (Supplement 1); 84-99. Heath, M.R. and Jónasdóttir, S. 1999. Distribution and abundance of overwintering Calanus finmarchicus in the Faroe-Shetland Channel. Fish. Oceanogr. 8 (Supplement 1): 40-60. Heath, M.R., Fraser, J.G., Gislason, Á., Hay, S.J., Jó- nasdóttir, S. and Richardson, K. 2000a. Winter dis- tribution of Calanus finmarchicus in the Northeast Atlantic. ICES J. Mar. Sci. (In press). Heath, M.R., Astthorsson, O.S., Dunn, J., Ellertsen, B., Gaard, E., Gislason, Á., Gurney, W.S., Hind, A.T., Irigoien, X., Melle, W., Niehoff, B., Olsen, K., Skreslet, S. and Tande, K.S. 2000b. Comparative analysis of Calanus finmarchicus demography at locations around the Northeast Atlantic. ICES J. Mar. Sci. 57: 1562-1580. Hirche, H.J. 1996. The reproductive biology of the ma- rine copepod, Calanus finmarchicus - a review. Ophelia 44: 111-128. Iversen, S.A. and Danielsen, D.S. 1984. Development and mortality of cod {Gadus morhua L.) eggs and larvae in different temperatures. Flødevigen rap- portserie 1: 49-65. Jákupsstovu, S.H. í and Reinert, J. 1994. Fluctuations in the Faroe Plateau cod stock. ICES Mar. Sci. Svmp. 198: 194-211. Joensen, J.S. 1954. On the cod in Faroe waters. Rapp. P. v. Reun. Cons. int. Explor. Mer. 10: 58-62. Joensen, J.S. and Táning, V. 1970. Marine and Fresh-
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