New data on the terrestrial gastropods of northern Nordland and Troms counties, N. Norway
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Abstract
Records and habitats of terrestrial snails and slugs from Nordland and Troms counties are reported. The total number of terrestrial gastropod species that have been recorded in Troms is now 34 or 35. 14 of the species present in Troms are absent in the most continental districts of Fennoscandia. The number of species present in Nordland is obviously larger than in Troms. Four or five species are synanthropic in Troms. Seven species tend towards a habitat shift in the study area: they occur in warm and rather dry habitats in Nordland and Troms, whereas they are hygrophilous in more southern areas.
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