Published: 2020-03-16

Articles

The freshwater shrimp Gammarus lacustris (Malacostraca, Amphipoda) in lakes on the Hardangervidda mountain plateau, southern Norway: distribution and environmental requirements

Tore Qvenild, Trygve Hesthagen, TH, Arne Fjellheim

1-21

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The viability of the crustacean Eurycercus lamellatus (Branchiopoda, Cladocera) in a high mountain area in southern Norway

Tore Qvenild, Trygve Hesthagen

22-42

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A review of grass flies (Diptera, Chloropidae) of Karelia and Murmansk Province of Russia

Emilia Nartshuk, Alexei Polevoi, Andrey Przhiboro

47-92

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Distribution, identification and range expansion of the common Asellidae in Northern Europe, featuring the first record of Proasellus meridianus in the Nordic countries

Joanna Lynn Kemp, Andreas Ballot, Jens Petter Nilssen, Ingvar Spikkeland, Tor Erik Eriksen

93-108

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Factors determining parasite abundance in European perch, Perca fluviatilis, European whitefish, Coregonus lavaretus, and Arctic charr, Salvelinus alpinus, in an oligotrophic lake, southern Norway

Tom Robin Olk, Ann-Cecilie Henriksen, Solveig Irene Dolven, Mathias Leithe Haukø, Espen Lydersen, Tor Atle Mo

109-129

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The invasive amphipod Gammarus tigrinus Sexton, 1939 conquering the north of Europe using a new pathway: the first recordings from Norway

Ingvar Spikkeland, Jørn Bøhmer Olsen, Ragnar Kasbo, Kjell Magne Olsen, Jens Petter Nilssen

130-136

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Short Communications

Approaching the Arctic: the occurrence of Parin’s spinyfin Diretmichthys parini (Beryciformes: Diretmidae) in the Nordic Seas

Arve Lynghammar, Ingvar Byrkjedal, Berit Margrete Bugjerde, Rupert Wienerroither

43-46

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Walleye pollock Gadus chalcogrammus Pallas, 1814 found north of Spitsbergen indicates a Pacific-Atlantic connection in the species

Ingvar Byrkjedal, Gunnar Langhelle

137-140

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