Data di Pubblicazione:
2013
Citazione:
Odonata occurrence in caves: active or accidentals? A new case study / R. Manenti, M. E. Siesa, G. F. Ficetola. - In: JOURNAL OF CAVES AND KARST STUDIES. - ISSN 1090-6924. - 75:3(2013 Dec), pp. 205-209.
Abstract:
Caves are environments that host unique faunas and may be important for rganisms not exclusively dependent on caves. The occurrence of epigean taxa in caves is
often considered accidental, but their study can provide useful information on cave colonization. Records of Odonata underground are extremely scarce. We have identified larvae of Cordulegaster bidentata in two caves, one natural and one artificial, from Lombardy in northwestern Italy. They occurred in pools near the cave entrance that have
84 lux of maximum illuminance, reached in early spring. In both caves we found a high
density of larvae, and some of them were at very advanced instars. They had an
important role in the cave’s trophic web, exerting a high predation pressure on larvae of the salamander Salamandra salamandra. The plasticity of some Odonata species may allow them to take advantage of underground springs
Tipologia IRIS:
01 - Articolo su periodico
Keywords:
dragonfly ; salamandra ; cave ; underground ; freshwater
Elenco autori:
R. Manenti, M. E. Siesa, G. F. Ficetola
Link alla scheda completa: