Náttúrufræðingurinn

Volume

Náttúrufræðingurinn - 2017, Page 23

Náttúrufræðingurinn - 2017, Page 23
23 Tímarit Hins íslenska náttúrufræðifélags 15. Ajiad, A., Oganin, I.A. & Gjösæter, H. 2011. Polar cod. Bls. 315–328 í: The Barents Sea, Ecosystem, resources, management. Half a century of Rus- sian-Norwegian cooperation (ritstj. Jakobsen, T. & Ozhigin, V.K.). Tapir Academic Press, Þrándheimi. 16. Schmidt, J. 1909. Distribution of the pelagic fry and the spawning regions of the gadoids in the North Atlantic from Iceland to Spain. Rap- ports et procès-verbaux des réunions du Conseil international pour l’exploration de la mer 10 (4). 1–229. 17. Ólafur K. Pálsson, Einar Jónsson, Sigfús A. Schopka, Gunnar Stefánsson & Björn Æ. Steinarsson 1989. Icelandic groundfish survey data used to improve precision in stock assessments. Journal of Northwest Atlantic Fisheries Science 9. 3–72. 18. Höskuldur Björnsson, Jón Sólmundsson, Kristján Kristinsson, Björn Æ. Steinarsson, Einar Hjörleifsson, Einar Jónssson, Jónbjörn Pálsson, Ólafur K. Pálsson, Valur Bogason & Þorsteinn Sigurðsson 2007. The Icelandic groundfish surveys in March 1985–2006 and in October 1996–2006. Hafrannsóknir 131. 1–220. 19. Ólafur S. Ástþórsson, Ástþór Gíslason & Ásta Guðmundsdóttir 1994. Distribution, abundance and length of pelagic juvenile cod in Icelandic waters in relation to environmental conditions. ICES Marine Science Symposia 198. 529–541. 20. Ólafur S. Ástþórsson, Ástþór Gíslason & Steingrímur Jónsson 2007. Cli- mate variability and the Icelandic marine ecosystem. Deep-Sea Research II 54. 2.456–2.477. 21. Ólafur S. Ástþórsson & Jónbjörn Pálsson 2007. Stóra sænál stingur sér niður víðar en áður við Ísland. Náttúrufræðingurinn 77. 9–16. 22. Lilja Stefánsdóttir, Jón Sólmundsson, Guðrún Marteinsdóttir, Kristján Kristinsson & Jónas P. Jónasson 2009. Groundfish species diversity and assemblage structure in Icelandic waters during recent years of warming. Fisheries Oceanography 19. 42–62. 23. Jón Sólmundsson, Höskuldur Björnsson & Einar Jónsson 2010. Phase transition in recruitment and distribution of monkfish (Lophius piscatori- us) in Icelandic waters. Marine Biology 157. 195–305. 24. Ólafur S. Ástþórsson, Héðinn Valdimarsson, Ásta Guðmundsdóttir & Guðmundur J. Óskarsson 2012. Climate related variations in the occur- rence and distribution of mackerel (Scomber scomrus) in Icelandic waters. ICES Journal of Marine Science 69. 1.289–1.297. 25. Héðinn Valdimarsson, Ólafur S. Ástþórsson & Jónbjörn Pálsson 2012. Hydrographical variability in Icelandic waters during recent decades and related changes in the distribution of some fish species. ICES Journal of Marine Science 69. 816–825. 26. R Core Team 2015. R: a language and environment for statistical comput- ing. The R Foundation for Statistical Computing, Vín. URL http:// www.R-project.org/. 27. Chambers, J.M. & Hastie, T.J. 1992. Statistical models in S. Chaman & Hall, London. 608 bls. 28. Zeileis, A. Kleiber, C. & Jackman, S. 2008. Regression models for count data in R. Journal of Statistical Software 27 (8). 1–25. DOI: 10.18637/jss. v027.i08/. http://www.jstatsoft.org/v27/i08/ (skoðað 31.5. 2017). 29. Falk-Petersen, I.-B., Frivoll, V., Gulliksen, B. & Haug, T. 1986. Occurrence and size/age relations of polar cod, Boreogadus saida (Lepechin), in Spits- bergen coastal waters. Sarsia 71 (3–4). 235–245. 30. Blindheim, J. & Østerhus, S. 2005. The Nordic Seas. Main oceanographic features. Bls. 11–38 í: AGU Monograph Series 18. The Nordic seas. An integrated perspective (ritstj. Drange, H., Dokken, T., Furevik, T., Gerdes, R. & Berger, W.). AGU, Washington. 31. Ingibjörg Jónsdóttir & Einar Sveinbjörnsson 2007. Recent variations in sea ice extent off Iceland. Jökull 57. 61–70. 32. Ponomarenko, V.P. 2000. Eggs, larvae, and juveniles of polar cod Boreoga- dus saida in the Barents, Kara, and White Seas. Journal of Ichthyology 40. 165–173. 33. Graham, M. & Hop, H. 1994. Aspects of the reproduction and larval biol- ogy of arctic cod (Boreogadus saida). Arctic 48. 130–135. 34. Rass, T.S. 1968. Spawning and development of polar cod. Rapports et procès-verbaux des réunions du Conseil international pour lʼexploration de la mer 158. 135–137. 35. Bouchard, C. & Fortier, L. 2011. Circum-arctic comparison of the hatch- ing season of polar cod Boreogadus saida: A test of the freshwater winter refuge hypothesis. Progress in Oceanography 90. 105–116. 36. Aagaard, K. & Couchman, K.L. 1968. The East Greenland current north of the Denmark Strait. Part I. Arctic 21. 181–200. 37. Foldvik, A., Aagaard, K. & Torresen, T. 1988. On the velocity field of the East Greenland Current. Deep-Sea Research 35. 1.335–1.354. 38. Sveinbjörn Pálsson, Källman, T., Paulsen, K. & Einar Árnason 2009. An assessment of mitochondrial variation in Arctic gadoids. Polar Biology 32. 471–479. 39. Madsen, M.L., John Nelson, R., Fevolden, S-E., Christiansen, J.S. & Præ- bel, K. 2016. Population genetic analysis of Euro-Arctic polar cod Bore- ogadus saida suggests fjord and oceanic structuring. Polar Biology 39. 969–980. 40. Monstad, T. & Gjøsæter, H. 1987. Observations on polar cod (Boreogadus saida) in the Barents Sea 1973 to 1986. ICES CM 1987/G:13. 23 bls. 41. Lilly, G.R., Hop, H., Stansbury, D.E. & Bishop, C.A. 1994. Distribution and abundance of polar cod (Boreogadus saida) off southern Labrador and eastern Newfoundland. ICES CM 1994/O:6. 21 bls. 42. Gjøsæter H. & Ajiad, A.M. 1994. Growth of polar cod, Boreogadus saida (Lepechin), in the Barents Sea. ICES Journal of Marine Science 51. 115– 120. 43. Jónbjörn Pálsson & Ólafur S. Ástþórsson 2017. New and historical records of the ocean sunfish Mola mola in Icelandic waters. Journal of Fish Biology 90. 1.126–1.132. 44. Ólafur K. Pálsson, Ástþór Gíslason, Björn Gunnarsson, Hafsteinn G. Guðfinnsson, Héðinn Valdimarsson, Hildur Pétursdóttir, Konráð Þóris- son, Sólveig R. Ólafsdóttir & Sveinn Sveinbjörnsson 2014. Meginþættir í vistkerfi Íslandshafs og breytingar á lífsháttum loðnu. Náttúrufræðin- gurinn 84. 4–18. 45. Comiso, J.C. 2010. Variability and trends of the global sea ice cover. Bls. 205–246 í: Sea ice (ritstj. Thomas, D.N. & Dieckmann, G.S.). Wiley- Blackwell, Chichester. Um höfundinn Ólafur S. Ástþórsson (f. 1952) lauk BS-prófi í líffræði frá Háskóla Íslands árið 1975 og Ph.D.-prófi í sjávarlíffræði frá Aberdeen-háskóla í Skotlandi árið 1980. Ólafur hefur starfað á Hafrannsóknastofnun síðan 1981 sem sér- fræðingur við rannsóknir á dýrasvifi (1980–91), sviðs- stjóri á Sjó- og vistfræðisviði (1990–2000), aðstoðar forstjóri (2001–2015) og settur forstjóri (2016). Hann sinnir nú rannsóknum sem meðal annars beinast að áhrifum veðurfars á lífríki sjávar. Póst- og netfang höfundar/Authors’ address Ólafur S. Ástþórsson Hafrannsóknastofnun Skúlagötu 4 101 Reykjavík olafur.s.astthorsson@hafogvatn.is

x

Náttúrufræðingurinn

Direct Links

If you want to link to this newspaper/magazine, please use these links:

Link to this newspaper/magazine: Náttúrufræðingurinn
https://timarit.is/publication/337

Link to this issue:

Link to this page:

Link to this article:

Please do not link directly to images or PDFs on Timarit.is as such URLs may change without warning. Please use the URLs provided above for linking to the website.