Seasonal Variation in Daily Activity Patterns of Free-Ranging European Ground Squirrels (Spermophilus citellus)

Chronobiology International

Volumn 21, Issue 1, 2004, Pages 57-71

  Everts, Lammina G ^a,b   Strijkstra, Arjen M ^a   Hut, Roelof A ^a   Hoffmann, Ilse E ^b   Millesi, Eva ^b  

^a UNIVERSITY OF GRONINGEN   (Netherlands)

^b UNIVERSITY OF VIENNA   (Austria)

Author keywords

Activity cycle; Circadian rhythm; Civil twilight; Entrainment; Photoperiod; Reproduction

Indexed keywords

ARTICLE; CIRCADIAN RHYTHM; DAILY LIFE ACTIVITY; EUROPE; FEMALE; FORAGING; HABITAT QUALITY; LACTATION; LIGHT; MALE; MATING; NONHUMAN; RECORDING; REPRODUCTION; SEASONAL VARIATION; SEXUAL BEHAVIOR; SQUIRREL;

ANIMALS; BEHAVIOR, ANIMAL; CIRCADIAN RHYTHM; COPULATION; FEMALE; MALE; MOTOR ACTIVITY; PHOTOPERIOD; SCIURIDAE; SEASONS; TIME FACTORS; WEATHER;

ANIMALIA; SCIURIDAE; SPERMOPHILUS; SPERMOPHILUS CITELLUS;

EID: 1942467176     PISSN: 07420528     EISSN: None     Source Type: Journal    
DOI: 10.1081/CBI-120027982     Document Type: Article

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