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Hatching, growth, ion accumulation, and skeletal ossification of brook trout (Salvelinus fontinalis) alevins in acidic soft waters

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Hatching, growth, ion accumulation, and skeletal ossification of brook trout (Salvelinus fontinalis) alevins in acidic soft waters; 1991; Article; Journal; Canadian Journal of Zoology; Steingraeber, M. T.; Gingerich, W. H.

Summary

Brook trout eyed eggs and subsequent alevins were exposed to pH 5.0, 6.5, and 7.0 in soft reconstituted water and to pH 8.2 in hard well water for up to 72 d. Hatching was delayed and hatching success reduced (p < 0.05) in eyed eggs exposed to pH 5.0 and 6.5. Alevin growth was not affected. Fish in all treatments rapidly accumulated monovalent ions in a similar pattern and in the order of Na+ > K+ > Cl- during yolk absorption and early exogenous feeding. Whole-body monovalent ion concentrations were reduced for short periods during yolk absorption in alevins exposed to pH 6.5 and throughout most of the experiment for those exposed to pH 5.0. Whole-body Mg2+ concentrations were not affected by treatment pH and remained near their median [...]

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  • Upper Midwest Environmental Sciences Center (UMESC)

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Harvested on Mon Jul 21 12:47:33 MDT 2014 from MODS XML Service

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Type Scheme Key
local-index unknown 1003409
local-pk unknown 1003409
series unknown Canadian Journal of Zoology

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journalCanadian Journal of Zoology
parts
typevolume
value69
typeissue
value8
typePublication Place
valueOttawa, Canada
languageEnglish
citationTypeArticle

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