Impact of light and dark on vertical migrations of Vertigo moulinsiana (Dupuy, 1849) (Gastropoda: Eupulmonata: Vertignidae)
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Department of General Zoology, Adam Mickiewicz University, Poznań, Polska
Submission date: 2020-05-27
Final revision date: 2020-06-26
Acceptance date: 2020-06-30
Publication date: 2020-07-14
Corresponding author
Zofia Książkiewicz-Parulska   

Department of General Zoology, Adam Mickiewicz University, Uniwersytetu Poznańskiego 6, 61-614 Poznań, Polska
Folia Malacol. 2020;28(3):224–226
We investigated vertical migration distances of Vertigo moulinsiana (Dupuy) in conditions of (1) 24-hour illumination and (2) 24-hour darkness. The experiments were carried out in the laboratory, at high and constant humidity (RH 100%), and 22 °C temperature. The snails were placed singly in 150 cm long, vertically oriented transparent plastic tubes (inner diameter: 8 mm). The tubes for the dark experimental variant were covered with aluminum foil, while those for the light variant were evenly illuminated with cold light lamps. A One-Way ANOVA showed that the snails from the 24 h light variant climbed up higher than those kept in the darkness, regardless on the age group.
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