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Titolo:
Sex does not affect early growth or survival in chicks of the Roseate Tern
Autore:
Nisbet, ICT; Szczys, P;
Indirizzi:
ICT Nisbet & Co, N Falmouth, MA 02556 USA ICT Nisbet & Co N Falmouth MA USA 02556 et & Co, N Falmouth, MA 02556 USA Univ Massachusetts, Dept Biol, Boston, MA 02125 USA Univ Massachusetts Boston MA USA 02125 s, Dept Biol, Boston, MA 02125 USA
Titolo Testata:
WATERBIRDS
fascicolo: 1, volume: 24, anno: 2001,
pagine: 45 - 49
SICI:
1524-4695(2001)24:1<45:SDNAEG>2.0.ZU;2-Z
Fonte:
ISI
Lingua:
ENG
Soggetto:
GULL LARUS-FUSCUS; MORTALITY; RATIO;
Keywords:
growth; Massachusetts; Roseate Tern; sex; sex-ratio; Sterna dougallii; survival;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Agriculture,Biology & Environmental Sciences
Citazioni:
18
Recensione:
Indirizzi per estratti:
Indirizzo: Nisbet, ICT ICT Nisbet & Co, 150 Alder Lane, N Falmouth, MA 02556 USA ICT Nisbet & Co 150 Alder Lane N Falmouth MA USA 02556 556 USA
Citazione:
I.C.T. Nisbet e P. Szczys, "Sex does not affect early growth or survival in chicks of the Roseate Tern", WATERBIRDS, 24(1), 2001, pp. 45-49

Abstract

We sexed 327 Roseate Tem chicks (Srerna dougallii at hatching and measuredtheir growth during the first three days of life. These data on early growth predict their survival to fledging with high confidence (97% for A-chicks and 83% for B-chicks), using a discriminant function derived in an earlier study. After controlling for other factors, there was no evidence that early growth or survival differed between males and females. This finding in a sexually monomorphic species is consistent with the hypothesis that the sex-biased chick mortality observed in sexually dimorphic species results from differential costs in chick-raising.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 19/02/20 alle ore 15:13:31