Plasma ion levels of freshwater and marine/estuarine teleosts from Southern Brazil

被引：9

作者：

Becker, Alexssandro Geferson ^{[1
]}

Goncalves, Jamile Fabbrin ^{[1
]}

Toledo, Jaderson dos Anjos ^{[2
]}

Burns, Marcelo D. M. ^{[3
]}

Garcia, Luciano de Oliveira ^{[3
]}

Vieira, Joao Paes ^{[3
]}

Baldisserotto, Bernardo ^{[1
]}

机构：

[1] Univ Fed Santa Maria, Dept Fisiol & Farmacol, BR-97105900 Santa Maria, RS, Brazil

[2] Univ Fed Santa Maria, Dept Solos, BR-97105900 Santa Maria, RS, Brazil

[3] Univ Fed Rio Grande, Inst Oceanografia, BR-96201900 Rio Grande, RS, Brazil

来源：

NEOTROPICAL ICHTHYOLOGY | 2011年 / 9卷 / 04期

关键词：

Ariidae; Estuaries; Ionoregulation; Osmoregulation; Salinity; Sciaenidae; ACID-BASE REGULATION; 1997-1998; EL-NINO; OSMOTIC BALANCE; FISH ASSEMBLAGE; GAS-EXCHANGE; OSMOREGULATION; STURGEON; TRANSPORT; PATOS; ACCLIMATION;

D O I：

10.1590/S1679-62252011005000039

中图分类号：

Q95 [动物学];

学科分类号：

071002 ;

摘要：

The purpose of this study was to investigate Na+, Cl-, K+, Ca2+, and Mg2+ levels in the plasma of freshwater and marine/estuarine teleosts collected at different salinities (0 to 34) from the estuarine and freshwater portions of the Sao Goncalo channel in Southern Brazil. Any relationship between plasma ion levels and salinity and the capacity of ionic regulation of teleosts found at three or more different salinities (Genidens barbus and Micropogonias furnieri) was also investigated. Results showed no relationship between plasma ion levels and salinity when considering all species together, but the two species collected from three or more different salinities showed a significant positive relationship between plasma ion levels and salinity, indicating that G. barbus and M. furnieri have a high capacity to regulate plasma ion levels at both low and high salinities.

引用

页码：895 / 900

页数：6

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