title: [The antarctic ecosystem as natural experiment. Extreme photoperiods and biological rhythms].
authors.forename: E
authors.initials: E
authors.lastname: Vivaldi
mesh_terms: D000818:Animals; D000864:Antarctic Regions; D001683:Biological Clocks; D017753:Ecosystem; D017440:Photoperiod
vernacular_title: El ecosistema antártico como experimento natural. Fotoperíodos extremos y ritmos biológicos.