The British Herpetological Society

The Herpetological Journal is the Society's prestigious quarterly scientific journal. Articles are listed in Biological Abstracts, Current Awareness in Biological Sciences,Current Contents, Science Citation Index, and Zoological Record.

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pdf 05. Diel patterns of activity and vertical migration in tadpoles of the common toad, Bufo bufo

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Open Access

pp.223-226

Authors: R . A . Griffiths, J . M. Getliff And V. J. Mylotte

Abstract: The dieI pattern of activity and vertical migration of common toad tadpoles, Bufo bufo, was studied at Llysdinam pond in mid-Wales in 1985 and 1986. Toad tadpoles were predominantly day-active with peaks mainly occurring between 1 400 h and 2000 h. The diel activity pattern corresponded with daily cycles of illumination and temperature, but no consistent relationship with the activity of predatory dytiscid beetles was observed. Differences between 1 985 and 1 986 in the pattern of vertical migration within the water column could be related to the distribution of submerged plants in the pond. In both years, however, tadpoles occurred mainly in the middle of the water column during the day.

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