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Titolo:
INTRA-CLUTCH AND INTER-CLUTCH PATTERNS IN EGG MASS IN THE SPOTTED SANDPIPER
Autore:
REED JM; ORING LW;
Indirizzi:
TUFTS UNIV,DEPT BIOL MEDFORD MA 02155 UNIV NEVADA,ECOL EVOLUT & CONSERVAT BIOL PROGRAM RENO NV 89512 UNIV NEVADA,DEPT ENVIRONM & RESOURCES SCI RENO NV 89512
Titolo Testata:
Journal of field ornithology
fascicolo: 2, volume: 68, anno: 1997,
pagine: 296 - 301
SICI:
0273-8570(1997)68:2<296:IAIPIE>2.0.ZU;2-4
Fonte:
ISI
Lingua:
ENG
Soggetto:
HATCHING ASYNCHRONY; ACTITIS-MACULARIA; REPRODUCTIVE SUCCESS; PIED FLYCATCHERS; LAYING DATE; GREAT TIT; SIZE; SURVIVAL; TACTICS; MATE;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
28
Recensione:
Indirizzi per estratti:
Citazione:
J.M. Reed e L.W. Oring, "INTRA-CLUTCH AND INTER-CLUTCH PATTERNS IN EGG MASS IN THE SPOTTED SANDPIPER", Journal of field ornithology, 68(2), 1997, pp. 296-301

Abstract

We looked for patterns in egg mass in the Spotted Sandpiper (Actitis macularia) within and across clutches, and for heritability of egg dimensions. Measurements of egg length, width. and mass were collected for 6 yr. Females laid from 1-5 clutches in a year. Egg mass was measured for 343 eggs from 98 clutches of II females. Of these, laying sequence was known for 337 eggs. Mean egg mass was 9.5 g (SD = 0.64), lengthwas 3.2 cm (SD = 0.10), and width was 2.4 cm (SD = 0.06) (n = 547 foregg dimensions). We compared female mass to (1) mean egg mass of all clutches, (2) mean egg mass of first clutch, (3) summed egg mass of all clutches, (4) summed egg mass of first clutch, (5) summed egg mass of last clutch, and (6) number of clutches. we also compared mean egg mass with (7) laying date for first clutches, (8) clutch number, (9) laying order within a clutch, for all clutches, (10) laying order withinfirst clutch, (11) female identity, and (12) egg length and width. Inaddition, we compared mean egg masses of females in their first year of laying with their second year for (13) all clutches combined, and for (14) first clutches only. Finally, we compared (15) mean egg mass of females to mean egg mass of their daughters. Only egg dimensions andfemale identity resulted in significant relationships to egg mass.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 26/11/20 alle ore 19:50:51