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[{"key": "dc.contributor.advisor", "value": "Taipale, Sami", "language": "", "element": "contributor", "qualifier": "advisor", "schema": "dc"}, {"key": "dc.contributor.advisor", "value": "Hiltunen, Minna", "language": "", "element": "contributor", "qualifier": "advisor", "schema": "dc"}, {"key": "dc.contributor.author", "value": "Alidu, Abdul-Hafiz", "language": "", "element": "contributor", "qualifier": "author", "schema": "dc"}, {"key": "dc.date.accessioned", "value": "2022-06-15T12:33:57Z", "language": null, "element": "date", "qualifier": "accessioned", "schema": "dc"}, {"key": "dc.date.available", "value": "2022-06-15T12:33:57Z", "language": null, "element": "date", "qualifier": "available", "schema": "dc"}, {"key": "dc.date.issued", "value": "2022", "language": "", "element": "date", "qualifier": "issued", "schema": "dc"}, {"key": "dc.identifier.uri", "value": "https://jyx.jyu.fi/handle/123456789/81768", "language": null, "element": "identifier", "qualifier": "uri", "schema": "dc"}, {"key": "dc.description.abstract", "value": "Ilmastonmuutoksella on havaittu olevan suuria vaikutuksia vesieli\u00f6ihin ja niiden ymp\u00e4rist\u00f6\u00f6n. Ilmastonmuutosten seurauksena j\u00e4rvivesien pintal\u00e4mp\u00f6tilat ja liuenneen orgaanisen hiilen (DOC) pitoisuus nousevat. Kasvavan DOC-kuormituksen ja j\u00e4rvien l\u00e4mp\u00f6tilan nousun vaikutuksia on vaikea erottaa luonnossa. Siksi niiden tutkiminen yhdess\u00e4 antaisi paremman ennusteen niiden vaikutuksista. T\u00e4ss\u00e4 tutkielmassa tarkasteltiin l\u00e4mp\u00f6tilan ja DOC-pitoisuuden yhteisvaikutuksia vesikirpun (Daphnia magna) selviytymiseen, kasvuun, lis\u00e4\u00e4ntymiseen ja rasvahappokoostumukseen kahdessa l\u00e4mp\u00f6tilassa (20\u00b0C ja 23\u00b0C) nelj\u00e4ss\u00e4 eri DOC-pitoisuudessa (0 mgC/L, 10 mgC/L, 30 mgC/L ja 90 mgC/L). Tutkimuksessa havaittiin, ett\u00e4 vesikirppujen eloonj\u00e4\u00e4nti kokeen lopussa oli korkea (> 80 %) kaikissa k\u00e4sittelyiss\u00e4. DOC-pitoisuus vaikutti sek\u00e4 vesikirppujen lis\u00e4\u00e4ntymiseen ett\u00e4 kokonaisrasvahappojen (TFA) pitoisuuteen, kun taas l\u00e4mp\u00f6tila sek\u00e4 l\u00e4mp\u00f6tilan ja DOC-pitoisuuden yhteisvaikutus eiv\u00e4t vaikuttaneet lis\u00e4\u00e4ntymiseen eik\u00e4 kokonaisrasvahappojen pitoisuuteen. Siit\u00e4 huolimatta havaittiin, ett\u00e4 kasvava DOC-pitoisuus johti poikasten lukum\u00e4\u00e4r\u00e4n kasvuun, mutta yleens\u00e4 laski vesikirppujen TFA-pitoisuutta molemmissa l\u00e4mp\u00f6tiloissa. T\u00e4m\u00e4 voi tarkoittaa, ett\u00e4 vesien tummuessa kalat ja muut vesikirppuja ravintonaan k\u00e4ytt\u00e4v\u00e4t eli\u00f6t saavat ravintoarvoltaan heikompia vesikirppuja saaliiksi.", "language": "fi", "element": "description", "qualifier": "abstract", "schema": "dc"}, {"key": "dc.description.abstract", "value": "Climate change has been found to have great impacts on aquatic organisms and their environment. As a result of changing climates, lake waters dissolved organic carbon (DOC) concentration and surface temperatures are rising. The impact of increasing temperature on freshwater surfaces and DOC loading would therefore be difficult to separate in field conditions. So, studying them together would give a better prediction of their effects. An experiment was carried out to study the interactive effects of four DOC levels (0 mgC/L, 10 mgC/L, 30 mgC/L, and 90 mgC/L) at two temperatures (20\u00b0C and 23\u00b0C) on the survival, growth, reproduction, and fatty acids composition of Daphnia magna in the laboratory. At the end of the experiment, we found that Daphnia survival was high (> 80%) in all treatments. Daphnia reproduction and total fatty acids (TFA) content were found to be influenced by changing DOC levels in the various treatments while temperature or the interaction between temperature and DOC did not affect these two significantly. Increasing DOC concentration increased the number of neonates produced but generally reduced Daphnia TFA content at both temperatures. This may imply that fishes and other organisms that depend on Daphnia for food will encounter more Daphnia with less nutritional quality in similar conditions as being demonstrated in this study, which is likely to be a consequence of climate change in the future.", "language": "en", "element": "description", "qualifier": "abstract", "schema": "dc"}, {"key": "dc.description.provenance", "value": "Submitted by Miia Hakanen (mihakane@jyu.fi) on 2022-06-15T12:33:57Z\nNo. of bitstreams: 0", "language": "en", "element": "description", "qualifier": "provenance", "schema": "dc"}, {"key": "dc.description.provenance", "value": "Made available in DSpace on 2022-06-15T12:33:57Z (GMT). No. of bitstreams: 0\n Previous issue date: 2022", "language": "en", "element": "description", "qualifier": "provenance", "schema": "dc"}, {"key": "dc.format.extent", "value": "47", "language": "", "element": "format", "qualifier": "extent", "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.rights", "value": "In Copyright", "language": "en", "element": "rights", "qualifier": null, "schema": "dc"}, {"key": "dc.subject.other", "value": "Browning", "language": "", "element": "subject", "qualifier": "other", "schema": "dc"}, {"key": "dc.subject.other", "value": "laboratory experiment", "language": "", "element": "subject", "qualifier": "other", "schema": "dc"}, {"key": "dc.subject.other", "value": "nutritional quality", "language": "", "element": "subject", "qualifier": "other", "schema": "dc"}, {"key": "dc.subject.other", "value": "terrestrial organic matter", "language": "", "element": "subject", "qualifier": "other", "schema": "dc"}, {"key": "dc.subject.other", "value": "zooplankton", "language": "", "element": "subject", "qualifier": "other", "schema": "dc"}, {"key": "dc.title", "value": "Interactive effects of dissolved organic carbon (DOC) and temperature on Daphnia magna", "language": "", "element": "title", "qualifier": null, "schema": "dc"}, {"key": "dc.type", "value": "master thesis", "language": null, "element": "type", "qualifier": null, "schema": "dc"}, {"key": "dc.identifier.urn", "value": "URN:NBN:fi:jyu-202206153377", "language": "", "element": "identifier", "qualifier": "urn", "schema": "dc"}, {"key": "dc.type.ontasot", "value": "Pro gradu -tutkielma", "language": "fi", "element": "type", "qualifier": "ontasot", "schema": "dc"}, {"key": "dc.type.ontasot", "value": "Master\u2019s thesis", "language": "en", "element": "type", "qualifier": "ontasot", "schema": "dc"}, {"key": "dc.contributor.faculty", "value": "Matemaattis-luonnontieteellinen tiedekunta", "language": "fi", "element": "contributor", "qualifier": "faculty", "schema": "dc"}, {"key": "dc.contributor.faculty", "value": "Faculty of Sciences", "language": "en", "element": "contributor", "qualifier": "faculty", "schema": "dc"}, {"key": "dc.contributor.department", "value": "Bio- ja ymp\u00e4rist\u00f6tieteiden laitos", "language": "fi", "element": "contributor", "qualifier": "department", "schema": "dc"}, {"key": "dc.contributor.department", "value": "Department of Biological and Environmental Science", "language": "en", "element": "contributor", "qualifier": "department", "schema": "dc"}, {"key": "dc.contributor.organization", "value": "Jyv\u00e4skyl\u00e4n yliopisto", "language": "fi", "element": "contributor", "qualifier": "organization", "schema": "dc"}, {"key": "dc.contributor.organization", "value": "University of Jyv\u00e4skyl\u00e4", "language": "en", "element": "contributor", "qualifier": "organization", "schema": "dc"}, {"key": "dc.subject.discipline", "value": "Akvaattiset tieteet", "language": "fi", "element": "subject", "qualifier": "discipline", "schema": "dc"}, {"key": "dc.subject.discipline", "value": "Aquatic sciences", "language": "en", "element": "subject", "qualifier": "discipline", "schema": "dc"}, {"key": "yvv.contractresearch.funding", "value": "0", "language": "", "element": "contractresearch", "qualifier": "funding", "schema": "yvv"}, {"key": "dc.type.coar", "value": "http://purl.org/coar/resource_type/c_bdcc", "language": null, "element": "type", "qualifier": "coar", "schema": "dc"}, {"key": "dc.rights.accesslevel", "value": "openAccess", "language": null, "element": "rights", "qualifier": "accesslevel", "schema": "dc"}, {"key": "dc.type.publication", "value": "masterThesis", "language": null, "element": "type", "qualifier": "publication", "schema": "dc"}, {"key": "dc.subject.oppiainekoodi", "value": "4012", "language": "", "element": "subject", "qualifier": "oppiainekoodi", "schema": "dc"}, {"key": "dc.subject.yso", "value": "orgaaninen aines", "language": null, "element": "subject", "qualifier": "yso", "schema": "dc"}, {"key": "dc.subject.yso", "value": "laboratoriokokeet", "language": null, "element": "subject", "qualifier": "yso", "schema": "dc"}, {"key": "dc.subject.yso", "value": "pitoisuus", "language": null, "element": "subject", "qualifier": "yso", "schema": "dc"}, {"key": "dc.subject.yso", "value": "vesikirput", "language": null, "element": "subject", "qualifier": "yso", "schema": "dc"}, {"key": "dc.subject.yso", "value": "ilmastonmuutokset", "language": null, "element": "subject", "qualifier": "yso", "schema": "dc"}, {"key": "dc.subject.yso", "value": "plankton", "language": null, "element": "subject", "qualifier": "yso", "schema": "dc"}, {"key": "dc.subject.yso", "value": "organic material", "language": null, "element": "subject", "qualifier": "yso", "schema": "dc"}, {"key": "dc.subject.yso", "value": "laboratory tests", "language": null, "element": "subject", "qualifier": "yso", "schema": "dc"}, {"key": "dc.subject.yso", "value": "concentration (chemical properties)", "language": null, "element": "subject", "qualifier": "yso", "schema": "dc"}, {"key": "dc.subject.yso", "value": "Cladocera", "language": null, "element": "subject", "qualifier": "yso", "schema": "dc"}, {"key": "dc.subject.yso", "value": "climate changes", "language": null, "element": "subject", "qualifier": "yso", "schema": "dc"}, {"key": "dc.subject.yso", "value": "plankton", "language": null, "element": "subject", "qualifier": "yso", "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.type.okm", "value": "G2", "language": null, "element": "type", "qualifier": "okm", "schema": "dc"}]
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