1992
DOI: 10.7773/cm.v18i3.901
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Oxygen consumption, ammonia excretion and osmoregulation of callinectes similis Juveniles (Crustacea: Portunidae) exposed to fluctuating salinities

Abstract: Recibido en septiembre de 1991; aceptado en diciembre de 1991 RESUMEN El consumo de oxigeno de Callinectes similis sometido a fluctuaciones de salinidad no se modificó significativamente (P > 0.05) y se mantuvo en un intervalo metabólico de 1.23 a 2.08 mg 02.h-l.g-1P.S. que correspondió al tipo de respuesta IV propuesta por Kinne (1971). La tasa de excreción de amonio aumentó significativamente a 0.028 mg N-NHb.h-1.g'lP.S. (P < 0.05) al disminuir la salinidad de 35 a 26o/oo; en el intervalo de salinidad de 1&1… Show more

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“…Oxygen consumption of blue shrimp was not affected by salinity. In other euryhaline decapods salinity was not found to significantly affect oxygen consumption if the experimental organisms were acclimated to the test salinities and if these were not extreme (Bishop et al, 1980;Gaudy and Sloane, 1981;Díaz-Herrera et al, 1992;Villarreal and Rivera, 1993;Salvato et al, 2001). For L. stylirostris juveniles, the time of acclimation to each salinity condition was sufficient for them to stabilize their internal medium (Castille and Lawrence, 1981); moreover, the range of salinities used corresponds to the natural fluctuations to which the species is exposed (Aragón, 2000).…”
Section: Discussionmentioning
confidence: 99%
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“…Oxygen consumption of blue shrimp was not affected by salinity. In other euryhaline decapods salinity was not found to significantly affect oxygen consumption if the experimental organisms were acclimated to the test salinities and if these were not extreme (Bishop et al, 1980;Gaudy and Sloane, 1981;Díaz-Herrera et al, 1992;Villarreal and Rivera, 1993;Salvato et al, 2001). For L. stylirostris juveniles, the time of acclimation to each salinity condition was sufficient for them to stabilize their internal medium (Castille and Lawrence, 1981); moreover, the range of salinities used corresponds to the natural fluctuations to which the species is exposed (Aragón, 2000).…”
Section: Discussionmentioning
confidence: 99%
“…El consumo de oxígeno del camarón azul no se vió afectado por la salinidad. Se ha demostrado para otros decápodos eurihalinos que la salinidad no tiene un efecto pronunciado sobre el consumo de oxígeno si los organismos experimentales son aclimatados a las salinidades de prueba y si éstas no son extremas (Bishop et al, 1980;Gaudy y Sloane, 1981;Díaz-Herrera et al, 1992;Villarreal y Rivera, 1993;Salvato et al, 2001). En los juveniles de L. stylirostris el tiempo de aclimatación a cada condición de salinidad fue el suficiente para estabilizar su medio interno (Castille y Lawrence, 1981).…”
Section: Discussionunclassified