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008170823s2017    nfcbd   ob   f000 0 eng d
020 |a978-0-660-07677-5
040 |aCaOODSP|beng
041 |aeng|bfre
043 |an-cn-nf
0861 |aFs97-6/3203E-PDF
24500|aArctic charr (Salvelinus alpinus) distribution in seawater cages in relation to environmental conditions|h[electronic resource] / |cby A. Ratsimandresy ... [et al.].
260 |aSt. Alban’s, N.L. : |bFisheries and Oceans Canada, |c2017.
300 |avi, 20 p. : |bcharts (some col.), maps
4901 |aCanadian technical report of fisheries and aquatic sciences, |x1488-5379 ; |v3203
500 |aIssued by: Northwest Atlantic Fisheries Centre.
504 |aIncludes bibliographical references.
5203 |a“The aim of this study is to use Arctic charr distribution in two commercial sea cages in relation to spatial and temporal variations in environmental factors to infer preferred environmental conditions of two farmed strains: a Labrador strain (LAB) and a hybrid strain between Tree Rivers and Nauyuk Lake, Nunavut (NU), Canada. Our results show that neither strain exhibits a strong diel rhythm but both display preferences in temperature and salinity. Results suggest a range of preferred temperatures from 12 to 16 °C for the NU strain and 10 to 14 °C for the LAB strain. Salinity preferences found in this study are bimodal for the LAB strain (30% of maximum observed fish densities at 20-31 and 40% at 5-10) but had only one preferred mode for the NU strain (50% at 20-31). Our results suggest a more conservative behaviour of the NU strain when choosing environmental conditions as they appear to show less flexibility in their choice of conditions in comparison to the LAB strain"--Abstract, p. v.
546 |aIncludes pref. matter and abstract in French.
69207|2gccst|aSalt water fish
69207|2gccst|aFish farming
7001 |aRatsimandresy, A. |q(Andry)
7101 |aCanada. |bDepartment of Fisheries and Oceans. |bNewfoundland and Labrador Region. |bScience Branch.
7102 |aNorthwest Atlantic Fisheries Centre (Canada)
830#0|aCanadian technical report of fisheries and aquatic sciences,|x1488-5379 ; |v3203|w(CaOODSP)9.504449
85640|qPDF|s1.01 MB|uhttps://publications.gc.ca/collections/collection_2017/mpo-dfo/Fs97-6-3203-eng.pdf