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[{"key": "dc.contributor.author", "value": "Lyytik\u00e4inen, Tapani", "language": null, "element": "contributor", "qualifier": "author", "schema": "dc"}, {"key": "dc.date.accessioned", "value": "2024-08-26T10:32:56Z", "language": null, "element": "date", "qualifier": "accessioned", "schema": "dc"}, {"key": "dc.date.available", "value": "2024-08-26T10:32:56Z", "language": null, "element": "date", "qualifier": "available", "schema": "dc"}, {"key": "dc.date.issued", "value": "1998", "language": null, "element": "date", "qualifier": "issued", "schema": "dc"}, {"key": "dc.identifier.isbn", "value": "978-952-86-0297-2", "language": null, "element": "identifier", "qualifier": "isbn", "schema": "dc"}, {"key": "dc.identifier.uri", "value": "https://jyx.jyu.fi/handle/123456789/96759", "language": null, "element": "identifier", "qualifier": "uri", "schema": "dc"}, {"key": "dc.description.abstract", "value": "The thermal biology of underyearling Lake Inari Arctic Charr can be described by point-estimators of temperatures where minima or maxima of a certain phenomena occur, and by rate-temperature relationships. Thermal effects may be divided into chronic effects, acute effects modulated by acclimation, and the effects of diel temperature fluctuations. The ultimate upper incipient lethal temperature of underyearling Arctic charr was found to be 23-24 \u00b0C. Acclimation to steadily increasing temperatures improved the upper thermal tolerance of fish slightly but the scope of tolerance became narrower with increasing acclimation temperature. Maximum feed intake occurred at a temperature below these survival limits (14.4 \u00b0C) and the optimum for growth of underyearling Arctic charr was within the range of 13.8-15.1 \u00b0C. Growth efficiency in energy and nitrogen reached its maximum at a lower temperature (12.4-13.2 \u00b0C) than growth. An acute temperature increase of 3.4-6.7 \u00b0C produced an oxygen consumption peak that declined within 3-4 days. Therefore, the energy metabolism of Arctic charr appeared to be adjusted rapidly (within 3-4 days). Similarly, diel thermal fluctuation (\u00b11 \u00b0C) increased metabolic rate while ammonia excretion, feed intake, growth and faecal losses were not observed to be influenced by this temperature manipulation. Thermal fluctuation resulted in poorer growth efficiencies than the exposure of fish to a constant temperature.", "language": "en", "element": "description", "qualifier": "abstract", "schema": "dc"}, {"key": "dc.description.provenance", "value": "Submitted by Harri Hirvi (hirvi@jyu.fi) on 2024-08-26T10:32:56Z\r\nNo. of bitstreams: 0", "language": "en", "element": "description", "qualifier": "provenance", "schema": "dc"}, {"key": "dc.description.provenance", "value": "Made available in DSpace on 2024-08-26T10:32:56Z (GMT). No. of bitstreams: 0\r\n Previous issue date: 1998", "language": "en", "element": "description", "qualifier": "provenance", "schema": "dc"}, {"key": "dc.format.mimetype", "value": "application/pdf", "language": null, "element": "format", "qualifier": "mimetype", "schema": "dc"}, {"key": "dc.language.iso", "value": "eng", "language": null, "element": "language", "qualifier": "iso", "schema": "dc"}, {"key": "dc.relation.ispartofseries", "value": "Biological Research Reports from the University of Jyv\u00e4skyl\u00e4", "language": null, "element": "relation", "qualifier": "ispartofseries", "schema": "dc"}, {"key": "dc.relation.haspart", "value": "<b>Artikkeli I:</b> Lyytikainen T., Koskela J. & Rissanen I. (1997). Thermal resistance and upper\r\nlethal temperatures of underyearling Lake Inari Arctic charr. <i>Journal of Fish Biology, 51, 515-525.</i> DOI: <a href=\"https://doi.org/10.1111/j.1095-8649.1997.tb01509.x\"target=\"_blank\">10.1111/j.1095-8649.1997.tb01509.x </a>", "language": "", "element": "relation", "qualifier": "haspart", "schema": "dc"}, {"key": "dc.relation.haspart", "value": "<b>Artikkeli II:</b> Lyytik\u00e4inen T., Koskela J. & Rissanen I. (1997). The influence of temperature\r\non growth and proximate body composition of underyearling Lake Inari Arctic charr (SaJvelinus alpinus (L.)). <i>Journal of Applied Ichthyology, 13, 191-194.</i> DOI: <a href=\"https://doi.org/10.1111/j.1439-0426.1997.tb00120.x\"target=\"_blank\">10.1111/j.1439-0426.1997.tb00120.x </a>", "language": "", "element": "relation", "qualifier": "haspart", "schema": "dc"}, {"key": "dc.relation.haspart", "value": "<b>Artikkeli III:</b> Lyytik\u00e4inen, T. & Jobling M. (1998). The effects of temperature, temperahtre\r\nshift and temperature fluctuation on daily feed intake, growth and proximate composition of underyearling Lake Inari Arctic charr (Salvelinus alpinus (L.)). <i>Nordic Journal of Freshwater Research, 74, 87-94.</i>", "language": "", "element": "relation", "qualifier": "haspart", "schema": "dc"}, {"key": "dc.relation.haspart", "value": "<b>Artikkeli IV:</b> Lyytik\u00e4inen, T. & Jobling, M. )1998).. The effect of temperahtre fluctuations on\r\noxygen consumption and ammonia excretion of underyearling Lake Inari Arctic charr. <i>Journal of Fish Biology, 52, 1186-1198.</i> DOI: <a href=\"https://doi.org/10.1111/j.1095-8649.1998.tb00965.x\"target=\"_blank\">10.1111/j.1095-8649.1998.tb00965.x </a>", "language": "", "element": "relation", "qualifier": "haspart", "schema": "dc"}, {"key": "dc.relation.haspart", "value": "<b>Artikkeli V:</b> Lyytik\u00e4inen, T. & Jobling, M. (1999). The effects of thermal regime on energy\r\nand nitrogen budgets of an early juvenile Arctic charr Salvelinus alpinus from Lake Inari. <i>Environmental Biology of Fishes, 54, 219\u2013227.</i> DOI: <a href=\"https://doi.org/10.1023/A:1007566806749\"target=\"_blank\">10.1023/A:1007566806749 </a>", "language": "", "element": "relation", "qualifier": "haspart", "schema": "dc"}, {"key": "dc.rights", "value": "In Copyright", "language": null, "element": "rights", "qualifier": null, "schema": "dc"}, {"key": "dc.title", "value": "Thermal biology of underyearling Lake Inari Arctic Charr Salvelinus alpinus", "language": null, "element": "title", "qualifier": null, "schema": "dc"}, {"key": "dc.type", "value": "doctoral thesis", "language": null, "element": "type", "qualifier": null, "schema": "dc"}, {"key": "dc.identifier.urn", "value": "URN:ISBN:978-952-86-0297-2", "language": null, "element": "identifier", "qualifier": "urn", "schema": "dc"}, {"key": "dc.contributor.faculty", "value": "Faculty of Mathematics and Science", "language": "en", "element": "contributor", "qualifier": "faculty", "schema": "dc"}, {"key": "dc.contributor.faculty", "value": "Matemaattis-luonnontieteellinen tiedekunta", "language": "fi", "element": "contributor", "qualifier": "faculty", "schema": "dc"}, {"key": "dc.contributor.organization", "value": "University of Jyv\u00e4skyl\u00e4", "language": "en", "element": "contributor", "qualifier": "organization", "schema": "dc"}, {"key": "dc.contributor.organization", "value": "Jyv\u00e4skyl\u00e4n yliopisto", "language": "fi", "element": "contributor", "qualifier": "organization", "schema": "dc"}, {"key": "dc.type.coar", "value": "http://purl.org/coar/resource_type/c_db06", "language": null, "element": "type", "qualifier": "coar", "schema": "dc"}, {"key": "dc.relation.issn", "value": "0356-1062", "language": null, "element": "relation", "qualifier": "issn", "schema": "dc"}, {"key": "dc.relation.numberinseries", "value": "69", "language": null, "element": "relation", "qualifier": "numberinseries", "schema": "dc"}, {"key": "dc.rights.accesslevel", "value": "openAccess", "language": null, "element": "rights", "qualifier": "accesslevel", "schema": "dc"}, {"key": "dc.type.publication", "value": "doctoralThesis", "language": null, "element": "type", "qualifier": "publication", "schema": "dc"}, {"key": "dc.format.content", "value": "fulltext", "language": null, "element": "format", "qualifier": "content", "schema": "dc"}, {"key": "dc.rights.url", "value": "https://rightsstatements.org/page/InC/1.0/", "language": null, "element": "rights", "qualifier": "url", "schema": "dc"}, {"key": "dc.date.digitised", "value": "2024", "language": null, "element": "date", "qualifier": "digitised", "schema": "dc"}, {"key": "dc.type.okm", "value": "G4", "language": null, "element": "type", "qualifier": "okm", "schema": "dc"}]
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