Tiainen, J., Vickholm, M., Pakkala, T., Piiroinen, J. & Virolainen, E. 1983: The habitat and spatial relations of breeding Phylloscopus warblers and the goldcrest Regulus regulus in southern Finland. — Annales Zoologici Fennici 20: 1–12.
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Tiainen, J. 1983: Ecological energetics of nestling growth in the willow warbler Phylloscopus trochilus. — Annales Zoologici Fennici 20: 13–24.
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Pakkala, T., Tiainen, J., Lindén, H., Piiroinen, J., Vickholm, M. & Virolainen, E. 1983: A comparison of different methods in censusing the hazel grouse. — Annales Zoologici Fennici 20: 25–29.
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Pajunen, V. I. 1983: Prey selection by larvae of Potamonectes griseostriatus (Degeer) (Coleoptera, Dytiscidae). — Annales Zoologici Fennici 20: 31–35.
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Tenora, F., Henttonen, H. & Haukisalmi, V. 1983: On helminths of rodents in Finland. — Annales Zoologici Fennici 20: 37–45.
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Wolsan, M. 1983: Ancestral characters in the dentition of the weasel Mustela nivalis L. (Carnivora, Mustelidae). — Annales Zoologici Fennici 20: 47–51.
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Pulliainen, E. & Tunkari, P. 1983: Seasonal changes in the gut length of the willow grouse (Lagopus lagopus) in Finnish Lapland.. — Annales Zoologici Fennici 20: 53–56.
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Ojanen, M. 1983: Composition of the eggs of the great tit (Parus major) and the pied flycatcher (Ficedula hypoleuca) — Annales Zoologici Fennici 20: 57–63.
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Ojanen, M. 1983: Effects of laying sequence and ambient temperature on the composition of eggs of the great tit Parus major and the pied flycatcher Ficedula hypoleuca. — Annales Zoologici Fennici 20: 65–71.
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Rask, M. 1983: The effect of low pH an perch, Perca fluviatilis L. I. Effects of low pH on the development of eggs of perch. — Annales Zoologici Fennici 20: 73–76.
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Orell, M. & Ojanen, M. 1983: Breeding success and population dynamics in a northern great tit Parus major population. — Annales Zoologici Fennici 20: 77–98.
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Tiainen, J. 1983: Ecological energetics of nestling growth in the willow warbler Phylloscopus trochilus. — Annales Zoologici Fennici 20: 13–24.
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Orell, M. & Ojanen, M. 1983: Breeding biology and population dynamics of the willow tit Parus montanus. — Annales Zoologici Fennici 20: 99–114.
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Väisänen, R. A. & Rauhala, P. 1983: Succession of land bird communities on large areas of peatland drained for forestry. — Annales Zoologici Fennici 20: 115–127.
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Järvinen, A. 1983: Breeding strategies of hole-nesting passerines in northern Lapland. — Annales Zoologici Fennici 20: 129–149.
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Hippa, H. & Lehtinen, P. T. 1983: The zantheres group of Zoicinae (Aranea, Lycosidae) and a relimination of the subfamily. — Annales Zoologici Fennici 20: 151–156.
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Särkkä, J. 1983: A quantitative ecological investigation of the littoral zoobenthos of an oligotrophic Finnish lake. — Annales Zoologici Fennici 20: 157–178.
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Haila, Y. 1983: Colonization of islands in a north-boreal Finnish lake by land birds. — Annales Zoologici Fennici 20: 179–197.
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Niemelä, P. 1983: Seasonal patterns in the incidence of specialism: Macrolepidopteran larvae on Finnish deciduous trees. — Annales Zoologici Fennici 20: 199–202.
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Palmgren, P. 1983: Die Philodromus aureolus-Gruppe und die Xysticus cristatus-Gruppe (Aranea) in Finnland. — Annales Zoologici Fennici 20: 203–206.
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Pankakoski, E. 1983: Morphological variation and population structure of Finnish muskrats, Ondarta zibethica (L.). — Annales Zoologici Fennici 20: 207–222.
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Finell, N. & Järvilehto, M. 1983: Development of the compound eyes of the blowfly Calliphora erythrocephala: changes in morphology and function during metamorphosis. — Annales Zoologici Fennici 20: 223–234.
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Tuurala, H. 1983: Relationships between secondary lamellar structure and dorsal aortic oxygen tension in Salmo gairdneri with gills damaged by zinc. — Annales Zoologici Fennici 20: 235–238.
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Mecke, E. 1983: Absence of changes in colour discrimination ability of goldfish when reared in monochromatic light. — Annales Zoologici Fennici 20: 239–244.
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Kilpi, M. & Saurola, P. 1983: Pre-migration movements of coastal Finnish herring gulls (Larus argentatus) in autumn. — Annales Zoologici Fennici 20: 245–254.
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Waldén, H. W. 1983: Systematic and biogeographical studies of the terrestrial Gastropoda of Madeira. With an annotated check-list. — Annales Zoologici Fennici 20: 255–275.
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Schiemer, F., Jensen, P. & Riemann, F. 1983: Ecology and systematics of free-living nematodes from the Bothnian Bay, northern Baltic. — Annales Zoologici Fennici 20: 277–291.
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Ojanen, M. 1983: Egg development and the related nutrient reserve depletion in the pied flycatcher, Ficedula hypoleuca. — Annales Zoologici Fennici 20: 293–300.
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Broberg, S. & Kristoffersson, R. 1983: Oxygen consumption and lactate accumulation in the intra-ovarian embryos and young of the viviparous fish, Zoarces viviparus (L.), in relation to decreasing water O2 concentration. — Annales Zoologici Fennici 20: 301–306.
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Teräväinen, T. 1983: In vitro biosynthesis of 11[beta]-hydeoxylated neutral steroids by testes of a viviparous teleost, Zoarces viviparus (L.), during spermatogenesis. — Annales Zoologici Fennici 20: 307–310.
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Pekkarinen, M. 1983: Seasonal changes in condition and biochemical constituents in the soft part of Macoma balthica (Lamellibranchiata) in the Tvärminne brackish water area (Baltic Sea). — Annales Zoologici Fennici 20: 311–322.
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