The Effect of Light and Soil Moisture on the Environmental Behavior of Newts (Triturus vittatus vittatus, Urodela): A Detailed Study
Current Research in Agriculture and Veterinary Sciences Vol. 3,
2 June 2021
The effects of light and moisture on the response of metamorphosed newts (Triturus vittatus vittatus) to hiding places were studied under experimental conditions. No significant differences (X2-test; P > 0.05) were found in the choice of hiding places covered with black or transparent paper as the controls for the experiments. The newts' selection of hiding place was significantly affected by soil moisture and negative phototaxis. Significant differences (X2-test; P < 0.05) were found in the choice of hiding places between those covered by black paper and those covered by transparent, differently colored paper (transmitting different wavelengths of light): colorless, yellow, red, blue and green. The negative phototaxis differed with wavelength. The response to moisture was stronger than that to light. In all combinations tested, juvenile T. v. vittatus chose moist soil in hiding places covered by black or transparent paper, and the differences were significant (X2-test; P < 0.001).
- hiding places
- Triturus vittatus
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