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Titolo:
Intraspecific variation in the egg size of the Pied Avocet
Autore:
Dittmann, T; Hotker, H;
Indirizzi:
Univ Kiel, Forsch & Technol Zentrum Westkuste, D-25761 Busum, Germany UnivKiel Busum Germany D-25761 entrum Westkuste, D-25761 Busum, Germany
Titolo Testata:
WATERBIRDS
fascicolo: 1, volume: 24, anno: 2001,
pagine: 83 - 88
SICI:
1524-4695(2001)24:1<83:IVITES>2.0.ZU;2-4
Fonte:
ISI
Lingua:
ENG
Soggetto:
RECURVIROSTRA-AVOSETTA; CLUTCH SIZE; LAYING DATE; VANELLUS-VANELLUS; INCUBATION PERIOD; HATCHING SUCCESS; HERRING GULL; GREAT-TITS; AGE; SURVIVAL;
Keywords:
Pied Avocet; egg-size; incubation; neonate size; Recurvirostra avosetta;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Agriculture,Biology & Environmental Sciences
Citazioni:
34
Recensione:
Indirizzi per estratti:
Indirizzo: Dittmann, T Univ Kiel, Forsch & Technol Zentrum Westkuste, Hafentorn, D-25761 Busum, Germany Univ Kiel Hafentorn Busum Germany D-25761 5761 Busum, Germany
Citazione:
T. Dittmann e H. Hotker, "Intraspecific variation in the egg size of the Pied Avocet", WATERBIRDS, 24(1), 2001, pp. 83-88

Abstract

Egg size variation in the Pied Vocet Recurvirostra avosetta was studied atseven breeding colonies on the North Sea coast of Schleswig-Holstein in Germany in 1999. A total of 999 eggs from 283 clutches were measured during the whole breeding period. Egg size was very variable and most variance was due to differences between clutches. Eggs within a clutch were relatively uniform in size. Size differences due to laying order could not he detected. Egg size did not differ between four-egg and three-egg clutches. Egg size,clutch size and the length of the incubation period decreased as the season progressed. Egg size and chick size at hatching were positively correlated.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 19/02/20 alle ore 02:23:54