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Synergistic effects of environmental variables on larvae of Uca pugilator

Synergistic effects of environmental variables on larvae of Uca pugilator 227 22 22 4 4 W. B. Vernberg P. J. DeCoursey W. J. Padgett Belle W. Baruch Coastal Research Institute University of South Carolina Columbia South Carolina USA Department of Biology University of South Carolina Columbia South Carolina USA Department of Mathematics University of South Carolina Columbia South Carolina USA Abstract The effects of sublethal concentrations of mercury in combination with stressful temperature-salinity regimes were considered for larval development of the fiddler crab Uca pugilator (Bosc.). Control organisms were compared to those treated with 1.8 ppb Hg for the following suboptimal regimes: 30°C, 30 ‰ S; 30°C, 20 ‰ S; 20°C, 30 ‰ S, and 20°C, 20 ‰ S. As physiological indicators of larval response, the survival rate, the O 2 consumption rate, and phototactic response were measured, following either acute 24 h doses of Hg, or chronic rearing in Hg. All response parameters were modified in larvae maintained under the suboptimal conditions; mercury compounded the effects. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Marine Biology Springer Journals

Synergistic effects of environmental variables on larvae of Uca pugilator

Marine Biology , Volume 22 (4) – Oct 1, 1973

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References (15)

Publisher
Springer Journals
Copyright
Copyright © 1973 by Springer-Verlag
Subject
Life Sciences; Biomedicine general; Oceanography; Ecology; Microbiology; Zoology
ISSN
0025-3162
eISSN
1432-1793
DOI
10.1007/BF00391386
Publisher site
See Article on Publisher Site

Abstract

227 22 22 4 4 W. B. Vernberg P. J. DeCoursey W. J. Padgett Belle W. Baruch Coastal Research Institute University of South Carolina Columbia South Carolina USA Department of Biology University of South Carolina Columbia South Carolina USA Department of Mathematics University of South Carolina Columbia South Carolina USA Abstract The effects of sublethal concentrations of mercury in combination with stressful temperature-salinity regimes were considered for larval development of the fiddler crab Uca pugilator (Bosc.). Control organisms were compared to those treated with 1.8 ppb Hg for the following suboptimal regimes: 30°C, 30 ‰ S; 30°C, 20 ‰ S; 20°C, 30 ‰ S, and 20°C, 20 ‰ S. As physiological indicators of larval response, the survival rate, the O 2 consumption rate, and phototactic response were measured, following either acute 24 h doses of Hg, or chronic rearing in Hg. All response parameters were modified in larvae maintained under the suboptimal conditions; mercury compounded the effects.

Journal

Marine BiologySpringer Journals

Published: Oct 1, 1973

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