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[{"key": "dc.contributor.advisor", "value": "H\u00e4m\u00e4l\u00e4inen, Heikki", "language": "", "element": "contributor", "qualifier": "advisor", "schema": "dc"}, {"key": "dc.contributor.advisor", "value": "Tolonen, Kimmo", "language": "", "element": "contributor", "qualifier": "advisor", "schema": "dc"}, {"key": "dc.contributor.advisor", "value": "Nyholm, Kristiina", "language": "", "element": "contributor", "qualifier": "advisor", "schema": "dc"}, {"key": "dc.contributor.author", "value": "Valkonen, Sini", "language": "", "element": "contributor", "qualifier": "author", "schema": "dc"}, {"key": "dc.date.accessioned", "value": "2020-10-19T05:49:42Z", "language": null, "element": "date", "qualifier": "accessioned", "schema": "dc"}, {"key": "dc.date.available", "value": "2020-10-19T05:49:42Z", "language": null, "element": "date", "qualifier": "available", "schema": "dc"}, {"key": "dc.date.issued", "value": "2020", "language": "", "element": "date", "qualifier": "issued", "schema": "dc"}, {"key": "dc.identifier.uri", "value": "https://jyx.jyu.fi/handle/123456789/72228", "language": null, "element": "identifier", "qualifier": "uri", "schema": "dc"}, {"key": "dc.description.abstract", "value": "J\u00e4rvet ovat merkitt\u00e4vi\u00e4 ekosysteemej\u00e4, joiden rooli luonnon monimuotoisuuden\nyll\u00e4pit\u00e4miseksi on eritt\u00e4in t\u00e4rke\u00e4. Elinymp\u00e4rist\u00f6jen tuhoutuminen uhkaa my\u00f6s\nj\u00e4rvi\u00e4, joten n\u00e4iden ekosysteemien toimintaan ja monimuotoisuuteen vaikuttavien\ntekij\u00f6iden ymm\u00e4rt\u00e4minen on t\u00e4rke\u00e4\u00e4 suojelun onnistumiseksi. Pohjael\u00e4imet ovat\nt\u00e4rkeit\u00e4 j\u00e4rven ekosysteemin toiminnalle ja niiden yhteis\u00f6koostumusta s\u00e4\u00e4telev\u00e4t\nsyvyyteen liittyv\u00e4t tekij\u00e4t (esim. happi, l\u00e4mp\u00f6tila, ravinnon m\u00e4\u00e4r\u00e4) sek\u00e4\nspatiaalinen riippuvuus. T\u00e4ss\u00e4 pro gradu -ty\u00f6ss\u00e4 pohjael\u00e4inyhteis\u00f6jen\nkoostumusta ja siihen vaikuttavia tekij\u00f6it\u00e4 kartoitettiin Etel\u00e4-Konnevedell\u00e4,\ntarkoituksena luoda malleja, joilla pohjael\u00e4inyhteis\u00f6n runsautta ja\nmonimuotoisuutta voitaisiin ennustaa ymp\u00e4rist\u00f6muuttujien perusteella.\nAineistona oli kultakin 55 paikalta (syvyydet 3,5\u201358,6 m) Ekman-noutimella ker\u00e4tyt\n5 rinnakkaista pohjael\u00e4inn\u00e4ytett\u00e4, sedimenttin\u00e4ytteet ja l\u00e4mp\u00f6tila- ja\nvedenlaatutiedot. Pohjael\u00e4inlajisto oli j\u00e4rvityypille ominaista. Yhteis\u00f6koostumusta\neniten selitt\u00e4v\u00e4t tekij\u00e4t olivat osittavan redundanssianalyysin (pRDA) perusteella\nl\u00e4mp\u00f6tila, happipitoisuus ja pohjanlaatu hehkutush\u00e4vi\u00f6n mukaan. Yksil\u00f6tiheytt\u00e4\nselitti parhaiten lineaarisen regressioanalyysin perusteella syvyys ja\npohjanlaatutyyppi \u201dmoreeni\u201d ja taksonirunsautta selitti vain syvyys. Ty\u00f6n avulla\nsaatiin lis\u00e4\u00e4 tietoa suurten v\u00e4h\u00e4humuksisten j\u00e4rvien pohjael\u00e4inyhteis\u00f6ist\u00e4 ja niit\u00e4\ns\u00e4\u00e4televist\u00e4 tekij\u00f6ist\u00e4. Tulosten perusteella voidaan karkeasti ennustaa lajistoa,\nmonimuotoisuutta ja pohjael\u00e4inten runsautta j\u00e4rven sis\u00e4isesti ymp\u00e4rist\u00f6muuttujien\nperusteella.", "language": "fi", "element": "description", "qualifier": "abstract", "schema": "dc"}, {"key": "dc.description.provenance", "value": "Submitted by Paivi Vuorio (paelvuor@jyu.fi) on 2020-10-19T05:49:42Z\nNo. of bitstreams: 0", "language": "en", "element": "description", "qualifier": "provenance", "schema": "dc"}, {"key": "dc.description.provenance", "value": "Made available in DSpace on 2020-10-19T05:49:42Z (GMT). No. of bitstreams: 0\n Previous issue date: 2020", "language": "en", "element": "description", "qualifier": "provenance", "schema": "dc"}, {"key": "dc.format.extent", "value": "50", "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": "fin", "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": "syv\u00e4nnepohjael\u00e4imet", "language": "", "element": "subject", "qualifier": "other", "schema": "dc"}, {"key": "dc.subject.other", "value": "yhteis\u00f6koostumus", "language": "", "element": "subject", "qualifier": "other", "schema": "dc"}, {"key": "dc.title", "value": "Pohjael\u00e4inyhteis\u00f6jen vaihtelu Konneveden sublitoraali- ja syv\u00e4nnealueilla", "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-202010196288", "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": "ekosysteemit", "language": null, "element": "subject", "qualifier": "yso", "schema": "dc"}, {"key": "dc.subject.yso", "value": "j\u00e4rvet", "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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