Gill morphology and terrestrial adaptation in the estuarine crab uca uruguayensis nobili, 1901 (Decapoda, brachyura)

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Gill area (GA), proportion of ion-regulation and respiratory tissue surface, mean thickness of diffusion barrier (epithelium plus cuticle) and metabolic rate/gill area ratio (VO. 2/GA) were measured in the intertidal fiddler crab Uca uruguayensis. Mean GA was 351.56 mm. 2 ± 19.55, n = 18, 60% corres...

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Autores principales:	Luquet, Carlos Marcelo, Pellerano, Gladys Norma, De Carlo, Jorge Miguel
Publicado:	1995
Acceso en línea:	https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_0011216X_v68_n7_p882_Luquet http://hdl.handle.net/20.500.12110/paper_0011216X_v68_n7_p882_Luquet
Aporte de:	Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires

id	paper:paper_0011216X_v68_n7_p882_Luquet
record_format	dspace
spelling	paper:paper_0011216X_v68_n7_p882_Luquet2023-06-08T14:34:45Z Gill morphology and terrestrial adaptation in the estuarine crab uca uruguayensis nobili, 1901 (Decapoda, brachyura) Luquet, Carlos Marcelo Pellerano, Gladys Norma De Carlo, Jorge Miguel Gill area (GA), proportion of ion-regulation and respiratory tissue surface, mean thickness of diffusion barrier (epithelium plus cuticle) and metabolic rate/gill area ratio (VO. 2/GA) were measured in the intertidal fiddler crab Uca uruguayensis. Mean GA was 351.56 mm. 2 ± 19.55, n = 18, 60% corresponding to ion-regulation tissue surface and 40% to respiratory area. Mean diffusion distance was 8.02 μm, ranging from 1.63 μm at the fourth gill pair (fully respiratory) to 12.0 μm for the seventh, ion-regulatory, gill pair. Cuticle thickness was 0.81 μm in the lamellae of all the gills; a thicker cuticle was noted in the marginal channels (up to 10 μm), that provide structural support to the gills. VO. 2/GA was calculated for U. uruguayensis and compared with the same ratio for several species living in different habitats. This ratio increased with terrestrial tendencies, being sevenfold higher in terrestrial crabs than in aquatic and low tide ones. Air-active intertidal species, like U. uruguayensis showed intermediate values between those groups. © 1995 BRILL. Fil:Luquet, C.M. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:Pellerano, G. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:De carlo, J. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. 1995 https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_0011216X_v68_n7_p882_Luquet http://hdl.handle.net/20.500.12110/paper_0011216X_v68_n7_p882_Luquet
institution	Universidad de Buenos Aires
institution_str	I-28
repository_str	R-134
collection	Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA)
description	Gill area (GA), proportion of ion-regulation and respiratory tissue surface, mean thickness of diffusion barrier (epithelium plus cuticle) and metabolic rate/gill area ratio (VO. 2/GA) were measured in the intertidal fiddler crab Uca uruguayensis. Mean GA was 351.56 mm. 2 ± 19.55, n = 18, 60% corresponding to ion-regulation tissue surface and 40% to respiratory area. Mean diffusion distance was 8.02 μm, ranging from 1.63 μm at the fourth gill pair (fully respiratory) to 12.0 μm for the seventh, ion-regulatory, gill pair. Cuticle thickness was 0.81 μm in the lamellae of all the gills; a thicker cuticle was noted in the marginal channels (up to 10 μm), that provide structural support to the gills. VO. 2/GA was calculated for U. uruguayensis and compared with the same ratio for several species living in different habitats. This ratio increased with terrestrial tendencies, being sevenfold higher in terrestrial crabs than in aquatic and low tide ones. Air-active intertidal species, like U. uruguayensis showed intermediate values between those groups. © 1995 BRILL.
author	Luquet, Carlos Marcelo Pellerano, Gladys Norma De Carlo, Jorge Miguel
spellingShingle	Luquet, Carlos Marcelo Pellerano, Gladys Norma De Carlo, Jorge Miguel Gill morphology and terrestrial adaptation in the estuarine crab uca uruguayensis nobili, 1901 (Decapoda, brachyura)
author_facet	Luquet, Carlos Marcelo Pellerano, Gladys Norma De Carlo, Jorge Miguel
author_sort	Luquet, Carlos Marcelo
title	Gill morphology and terrestrial adaptation in the estuarine crab uca uruguayensis nobili, 1901 (Decapoda, brachyura)
title_short	Gill morphology and terrestrial adaptation in the estuarine crab uca uruguayensis nobili, 1901 (Decapoda, brachyura)
title_full	Gill morphology and terrestrial adaptation in the estuarine crab uca uruguayensis nobili, 1901 (Decapoda, brachyura)
title_fullStr	Gill morphology and terrestrial adaptation in the estuarine crab uca uruguayensis nobili, 1901 (Decapoda, brachyura)
title_full_unstemmed	Gill morphology and terrestrial adaptation in the estuarine crab uca uruguayensis nobili, 1901 (Decapoda, brachyura)
title_sort	gill morphology and terrestrial adaptation in the estuarine crab uca uruguayensis nobili, 1901 (decapoda, brachyura)
publishDate	1995
url	https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_0011216X_v68_n7_p882_Luquet http://hdl.handle.net/20.500.12110/paper_0011216X_v68_n7_p882_Luquet
work_keys_str_mv	AT luquetcarlosmarcelo gillmorphologyandterrestrialadaptationintheestuarinecrabucauruguayensisnobili1901decapodabrachyura AT pelleranogladysnorma gillmorphologyandterrestrialadaptationintheestuarinecrabucauruguayensisnobili1901decapodabrachyura AT decarlojorgemiguel gillmorphologyandterrestrialadaptationintheestuarinecrabucauruguayensisnobili1901decapodabrachyura
_version_	1768543114836836352

Gill morphology and terrestrial adaptation in the estuarine crab uca uruguayensis nobili, 1901 (Decapoda, brachyura)

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