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HOLARCTIC ECOLOGY 12: 219-223. Breeding dynamics of IViturus carnifex at a pond in northwestern
 

Summary: HOLARCTIC ECOLOGY 12: 219-223.
Breeding dynamics of IViturus carnifex at a pond in northwestern
Italy (Amphibia, Urodela, Salamandridae)
Franco Andreone and Cristina Giacoma
Andreone F. and Giacoma C. 1989. Breeding dynamics of Triturus carnifex at a pond
in northwestern Italy (Amphibia, Urodela, Salamandridae). - Holarct. Ecol. 12:
219-223.
A population of the Italian crested newt (Triturus carnifex) was studied in 1984 at a
pond near Druento (Turin, Piedmont, northwestern Italy). Animals entering and
leaving the pond fell into paired pit-fall traps during both spring and autumn migra-
tions. A positive correlation found between rainfall and migration, a shortening of
migration periods and summer inactivity suggest that, in the Mediterranean region,
air moisture may be a limiting factor for newt activity. During their aquatic period
adults showed strong individual differences in weight changes that cannot be ex-
plained on the basis of initial body weight or length. High variability in crested newt
life history traits may be the result of repeated bottlenecks caused by environmental
stress and high population isolation.
F. Andreone and C. Giacoma, Dipartimento di Biologia Animate, Universita degli
Studi di Torino, via Accademia Albertina, 17, 10123 Torino, Italy.
Introduction

  

Source: Andreone, Franco - Zoology Department, Museo Regionale di Scienze Naturali di Torino

 

Collections: Biology and Medicine; Environmental Sciences and Ecology