Náttúrufræðingurinn

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Náttúrufræðingurinn - 1985, Qupperneq 65

Náttúrufræðingurinn - 1985, Qupperneq 65
Coexistence and immigration of two sympatric arctic charr. — í: E.K. Balon (ritstj.), Charrs, salmonid fishes of the genus Salvelinus: 757—763. Dr. W. Junk Publishers, The Hague. Landsvirkjun. 1965. Sogsvirkjunin. Lýsing virkjananna í Sogi. Reykjavík: 22 bls. Lindegaard, C. 1980. Bathymetric distribution of Chironomidae (Diptera) in the oligotrophic Thingvallavatn, Ice- land. - í: D.A. Murray (ritsj.), Chir- onomidae-Ecology, systematics, cyto- logy and physiology: 225—232. Sérpr. Pergamon Press Oxford. Lindström, T. 1955. On the relation fish size - food size. - Rep. Inst. Freshw. Res. Drottningholm. 36: 133—147. Nikolsky G.V. 1963. The ecology of fishes. — Academic Press, London. 352 bls. Nilsson, N.-A. 1955. Studies on the feed- ing habits of trout and char in North Swedish lakes. — Rep. Inst. Freshw. Res. Drottningholm. 36: 163—225. Nilsson, N.-A. 1963. Interaction between trout and char in Scandinavia. — Trans. Am. Fish. Soc. 92: 276—285. Nilsson, N.-A. & O. Filipsson. 1971. Char- acteristics of two discrete populations of arctic char (Salvelinus alpinus L.) in a North Swedish Iake. — Rep. Inst. Freshw. Res. Drottningholm. 51: 90— 108. Nordeng, H. 1961. On the biology of char (Salmo alpinus L.) in Salangen, North Norway. I. Age and spawning fre- quency determined from scales and otoliths. — Nytt mag. Zool. 10: 67— 123. Nordeng, H. 1983. Solution to the „char problem" based on Arctic char (Salveli- nus alpinus) in Norway. - J. Fish. Aquat. Sci. 40: 1372-1387. Nyman, L., J. Hammar & R. Gydemo. 1981. The systematics and biology of landlocked populations of arctic char from Northern Europe. — Rep. Inst. Freshw. Res. Drottningholm. 59: 128— 141. Ranta—aho, K. 1983. Rödingens (Salveli- nus alpinus L.) yngelbiologi och eko- logi i sjön Mývatn. - Prófritgerð í líf- fræði við Háskóla íslands: 53 bls. Saavaitova, K.A. 1980. Taxonomy and biogeography of charrs in the Palearc- tic. — í: E.K. Balon (ritstj.), Charrs, salmonid fishes of the genus Salvelinus: 281—294. Dr. W. Junk Publishers, The Hague. Sigurður Snorrason. 1982. The littoral ecosystem and the ecology of Lymnaea peregra in Lake Thingvallavatn, Ice- land. — Ph. D. ritgerð, Liverpool Uni- versity, England. Sigurður Snorrason, Hilmar Malmquist & Skúli Skúlason. 1984. Murturannsóknir 1983. — Skýrsla á vegum Líffræði- stofnunar H.í. og Þingvallavatnsrann- sókna: 25 bls. Sigurjón Rist. 1975. Stöðuvötn - Orku- stofnun. OSROD-7519. Skreslet, S. 1973a. The ecosystem of the arctic lake Nordlaguna, Jan Mayen Island. III. Ecology of arctic char, Sal- velinus alpinus (L.). - Astarte 6: 43- 54. Skreslet, S. 1973b. Group segregation in landlocked arctic char, Salvelinus alpi- nus (L.), of Jan Mayen Island, in rela- tion to the char problem. - Astarte 6: 55-58. Skúli Skúlason. 1983. Útlit, vöxtur og æxlunarlíffræði mismunandi gerða bleikjunnar, Salvelinus alpinus (L.), í Þingvallavatni. - Prófritgerð í líffræði við Háskóla íslands: 204 bls. Úlfar Antonsson. 1977. Dýrasvifið í Þingvallavatni 1972-75. - Prófritgerð í líffræði við Háskóla ísland: 60 bls. Úlfar Antonsson. 1980. The arctic char population in lake Thingvallavatn (Ice- land). - Inst. Limnol. Uppsala. Hand- rit: 39 bls. Wootton, R. J. 1976. The Biology of Sticklebacks. - Academic Press, Lon- don, 376 bls. 215
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