Náttúrufræðingurinn

Volume

Náttúrufræðingurinn - 1986, Page 31

Náttúrufræðingurinn - 1986, Page 31
Jakob Björnsson & Haukur Tómasson 1979. Umsögn Orkustofnunar um tvö fjölrit Nátt- úruverndarráös, „Fossar á íslandi" og „Vatnavernd“. - Orkustofnun, fjölrituð skýrsla OS79007/ROD04: 16 bls. Jón Kristjánsson. 1974. Fiskirannsóknir í Póris- vatni. - Veiðimálastofnun, bréfskýrsla: 14 bls. Jón Kristjánsson. 1976. Þórisvatn, rannsóknar- ferð 2-9/7,1976. - Veiðimálastofnun, bréf- skýrsla: 9 bls. Jón Kristjánsson. 1982. Urriðarannsóknir í Laxá í Þingeyjarsýslu 1979-1981. - Veiðimálastofnun, Fjölrit 34: 10 bls. Kinsten, B.& P. Olsén. 1981. Impact of Mysis relicla Lovén introduction on the plankton of two mountain lakes, Sweden. - Rep. Inst. Freshw. Res. Drottningholm 59: 64— 74. Kontaktutvalget for Vassdragsreguleringer. 1980. Naturvitenskapelig helhetsvurdering. — Foredrag og diskusjoner ved konferanse 17.-19. mars 1980 red. Just Gjessing. - Kontaktutvalget for Vassdragsreguleringer, Oslo, Rapport 20: 316 bls. Landbúnaðarráðuneytið 1986. Landnýting á Is- landi, og forsendur fyrir landnýtingaráætl- un. — Lanbúnaðarráðuneytið, 105 bls. Langeland, A. 1981. Decreased zooplankton density in two Norwegian lakes caused by predation of recently introduced Mysis rel- icta. - Verh. Internat. Verein. Limnol. 21: 926-937. Lasenby, D.C. & M. Fúrst. 1981. Feeding of Mysis relicta Lovén on macrozooplankton. - Rep. Inst. Freshw. Res. Drottningholm 59: 75-80. Lindegaard, C. 1979. A survey of the macrom- vertebrate fauna, with special reference to Chironomidae, (Diptera) in the rivers Laxá and Kráká, northern Iceland. - Oikos 32: 281-288. Lindegaard, C. 1980. Bathymetric distribution of Chironomidae (Diptera) in the oligo- trophic Lake Thingvallavatn, Iceland. — I. D.A.Murray (ritstj.), Chironomidae - Eco- logy, Systematics, Cytology and Physiology, Pergamon Press Oxford. : 225—232. Maríanna Alexandersdóttir. 1976. Rannsóknar- ferð í Þórisvatn 24—30/8, 1976. — Veiði- málastofnun, bréfaskýrsla: 8 bls. Nilsson, N-A. 1965. Food segregation between salmonid species in northern Sweden. - Rep. Inst. Freshw. Res. Drottningholm 46: 58-78. Nilsson, N-A. 1966. Vattenkraftutbyggnad och fiske i Sverige. - í: Limnologisymposium 1965, Limnologiska Föreningen i Finland: 10-12. Nilsson, N-A. 1967. Interactive segregation between fish species. - I: S.D. Gerking (ritstj.), The biological basis of freshwater fish production: 295-313. Blackwell Scient- ific Publications, Oxford. Nilsson, N-A. 1978. The role of size-biased predation in competition and interactive segregation in fish. - í: S.D. Gerking (ritstj.), Ecology of freshwater fish pro- duction: 303—325. Blackwell Scientific Publications Oxford. Morgan, M. D., D.R. Goldman & R.C. Ric- hards. 1981. Impact of introduced popula- tions of Mysis relicta on zooplankton in oligotrophic subalpine lakes. - Verh. Int. Verein. Limnol. 21: 339-345. Rodhe, W. 1964. Effects of impoundment on water chemistry and plankton in Lake Rans- aren (Swedish Lappland). - Verh. Int. Ver- ein. Limnol. 15: 437-443. Rönka, E. & R. Unsinoka. 1976. The problem of peat upheaval in Finnish artificial reserv- oirs. — Bull. Internat. Ass. Engin. Geology 14: 71-74. Sigurður M. Einarsson & Vigfús Jóhannsson 1984. Rannsóknir á urriðastofni Þórisvatns sumarið 1984. - Veiðimálastofnun, Fjölrit 50; 30 bls. Sigurður Þórarinsson. 1978. Fossar á íslandi. - Náttúrverndarráð. Fjölrit nr. 2: 43 bls. Tumi Tómasson. 1975. Undersökning av juven- ila lax- och öringpopulationer i Úlfarsá, en liten islandsk álv. — Umeá Universit- át: 23 bls. Tuxen, S.L. 1938. Plecoptera and Ephemero- ptera. - Zoology of Iceland 111, 39: 4 bls. Ward, J.V. & J.A. Stanford (ritstj.). 1979. The ecology of regulated streams. - Plenum Press. New York and London: 398 bls. Þórhallur Vilmundarson. 1983. Örnefni lands- ins, sem fór undir vatn í Stíflu. - Grímnir 2: 38-47. 129
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