Winter activity in a coastal population of Vipera aspis (Reptilia, Viperidae)

L'activite hivernale d'une petite population de Vipera aspis (4 mâles adultes et 3 femelles adultes) a ete etudiee au cours de trois hivers a l'aide du radio-pistage. Presque tous les individus sont restes actifs, se cachant simplement sous les feuilles, se deplacant d'un refuge a l'autre en effectuant des distances d'environ 150 m. Approximativement 50 % des serpents etaient actifs au soleil (29 % du total des journees d'observation). Les domaines vitaux et les zones de principale frequentation sont statistiquement identiques entre les sexes, bien que legerement superieurs chez les mâles. Les tailles observees pour les domaines vitaux sont remarquablement grandes pour des periodes hivernales durant lesquelles l'activite est censee etre tres reduite. Des deplacements, courts et longs, sont relativement plus frequents chez les mâles que chez les femelles. Des temperatures ambiantes favorables liees a la position geographique, et donc a la zone climatique de la zone d'etude, semblent etre le stimulus principal pouvant expliquer la forte activite hivernale de la population etudiee.

• Publication year

  1999

• Venue

  Revue de Ecologie-La Terre et la Vie

• Publication date

  Unknown publication date

• Fields of study

  Not labeled

• Identifiers
  DOI 10.3406/revec.1999.2305
• External record

  Open on Semantic Scholar

• Source metadata

  Semantic Scholar

• No claims are published for this paper.

• No concepts are published for this paper.

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