The feasibility of using otolith microchemistry to trace movements of rainbow trout and common smelt in lakes Rotoiti and Rotorua

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dc.contributor.authorRiceman, Matthew Sean
dc.contributor.authorHicks, Brendan J.
dc.date.accessioned2013-02-18T02:44:19Z
dc.date.available2013-02-18T02:44:19Z
dc.date.issued2007-05
dc.description.abstractOtolith microchemistry can be used to determine the natal origins of fish. Our feasibility study using single water samples has determined that the water chemistry around Lakes Rotorua and Rotoiti, have different elemental compositions warranting further investigation. We have shown that juvenile trout populations from spawning tributaries around lakes Rotorua and Rotoitit, Rotoua lakes district, New Zealand, could be grouped by using the ¹³⁷Ba:⁴³Ca isotopic ratio obtained from otolith laser ablation inductively coupled plasma mass spectrometry (LA-ICP-MS) analysis. The ⁸⁸Sr:⁴³Ca isotopic ration further distinguished between different sample locations when combined with the the ¹³⁷Ba:⁴³Ca isotopic ratio. Laser ablation analysis across common smelt otoliths provided information related to the movements between different chemical habitats across the fishes life and some distinct resident and migratory pattern are presented although further investigation into migration is required. Our preliminary results indicate that we will be able to distinguish natal steam for juvenile rainbow trout and probably lake of origin for common smelt.en_NZ
dc.format.mimetypeapplication/pdf
dc.identifier.citationRiceman, M.S. & Hicks, B.J. (2007). The feasibility of using otolith microchemistry to trace movements of rainbow trout and common smelt in lakes Rotoiti and Rotorua. CBER Contract Report No. 50, prepared for Environment Bay of Plenty. Hamilton, New Zealand: Centre for Biodiversity and Ecology Research, The University of Waikato.en_NZ
dc.identifier.urihttps://hdl.handle.net/10289/7213
dc.language.isoen
dc.publisherCentre for Biodiversity and Ecology Research, The University of Waikatoen_NZ
dc.relation.ispartofseriesCBER Contract Report
dc.relation.urihttp://cber.bio.waikato.ac.nz/en_NZ
dc.subjectotolith microchemistryen_NZ
dc.subjectLake Rotoruaen_NZ
dc.subjectLake Rotoitien_NZ
dc.subjectrainbow trouten_NZ
dc.subjectcommon smelten_NZ
dc.titleThe feasibility of using otolith microchemistry to trace movements of rainbow trout and common smelt in lakes Rotoiti and Rotoruaen_NZ
dc.typeCommissioned Report for External Bodyen_NZ
uow.relation.seriesNo.50
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