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Titolo:
EFFECTS OF SEXUAL CONDITION ON FOOD-CONSUMPTION AND TEMPERATURE SELECTION IN THE HERBIVOROUS DESERT LIZARD, UROMASTYX PHILBYI
Autore:
ZARI TA;
Indirizzi:
KING ABDULAZIZ UNIV,FAC SCI,DEPT BIOL SCI,POB 9028 JEDDAH 21413 SAUDIARABIA
Titolo Testata:
Journal of arid environments
fascicolo: 3, volume: 38, anno: 1998,
pagine: 371 - 377
SICI:
0140-1963(1998)38:3<371:EOSCOF>2.0.ZU;2-X
Fonte:
ISI
Lingua:
ENG
Soggetto:
STANDARD METABOLIC-RATE; ACTIVITY PATTERNS; THERMAL BIOLOGY; BODY-MASS; THERMOREGULATION; REPRODUCTION; PREGNANCY; SKINKS;
Keywords:
SEXUAL CONDITION; FOOD CONSUMPTION; TEMPERATURE SELECTION; LIZARD; UROMASTYX PHILBYI;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Science Citation Index Expanded
Citazioni:
34
Recensione:
Indirizzi per estratti:
Citazione:
T.A. Zari, "EFFECTS OF SEXUAL CONDITION ON FOOD-CONSUMPTION AND TEMPERATURE SELECTION IN THE HERBIVOROUS DESERT LIZARD, UROMASTYX PHILBYI", Journal of arid environments, 38(3), 1998, pp. 371-377

Abstract

Food consumption rate and temperature selection of male and female Uromastyx philbyi were measured during the spring. Mass-specific food consumption rates of this herbivorous desert lizard were lower than those of other lizard species. The exponents of body mass in relation to food consumption were 0.80, 0.78 and 0.69 for male, non-gravid and gravid females, respectively. Gravid females had significantly the lowest mass-specific food consumption rates. Both sexes selected significantly higher mean body temperatures in photophase than in scotophase over the 24-h period. Gravid females chose the highest mean selected body temperatures and spent a longer time at higher temperatures. The adaptive significance of these variations in food consumption rate and temperature selection is discussed. (C) 1998 Academic Press Limited.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 05/07/20 alle ore 21:47:31