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[{"key": "dc.contributor.author", "value": "Saarinen, Kati", "language": null, "element": "contributor", "qualifier": "author", "schema": "dc"}, {"key": "dc.date.accessioned", "value": "2011-11-13T21:26:01Z", "language": null, "element": "date", "qualifier": "accessioned", "schema": "dc"}, {"key": "dc.date.available", "value": "2011-11-13T21:26:01Z", "language": null, "element": "date", "qualifier": "available", "schema": "dc"}, {"key": "dc.date.issued", "value": "2011", "language": null, "element": "date", "qualifier": "issued", "schema": "dc"}, {"key": "dc.identifier.other", "value": "oai:jykdok.linneanet.fi:1188658", "language": null, "element": "identifier", "qualifier": "other", "schema": "dc"}, {"key": "dc.identifier.uri", "value": "https://jyx.jyu.fi/handle/123456789/36938", "language": null, "element": "identifier", "qualifier": "uri", "schema": "dc"}, {"key": "dc.description.abstract", "value": "Yksil\u00f6n kelpoisuus riippuu j\u00e4lkel\u00e4istuotosta, ja parittelumenestys on yksi j\u00e4lkel\u00e4istuoton avaintekij\u00f6ist\u00e4. Monien el\u00e4inlajiryhmien lis\u00e4\u00e4ntymist\u00e4 on tutkittu laajasti sek\u00e4 laboratorio-oloissa ett\u00e4 luonnossa, mutta lierojen lis\u00e4\u00e4ntymismenestykseen vaikuttavia tekij\u00f6it\u00e4 luonnonpopulaatioissa ei viel\u00e4 juurikaan tunneta. T\u00e4m\u00e4n tutkimuksen tavoitteena oli selvitt\u00e4\u00e4, miten kahden ekologialtaan erilaisen lierolajin parittelumenestys riippuu ymp\u00e4rist\u00f6oloista, yksil\u00f6tiheydest\u00e4 ja yksil\u00f6n koosta. Tutkimuksessa k\u00e4ytettiin tietoja lieron\u00e4ytteist\u00e4, jotka oli ker\u00e4tty syksyin\u00e4 2004 ja 2005 viljelymailta eri puolilta Suomea. Spermatoforien esiintymist\u00e4 yksil\u00f6ill\u00e4 k\u00e4ytettiin indikaattorina n\u00e4ytteenottoa edelt\u00e4neest\u00e4 parittelusta. Tutkimuslajeina k\u00e4ytettiin kahta Suomen viljelymaiden yleisint\u00e4 lierolajia: pintamaassa el\u00e4v\u00e4\u00e4 peltolieroa (Aporrectodea caliginosa Sav.) ja syv\u00e4lle maahan kaivautuvaa kastelieroa (Lumbricus terrestris L.). Spermatoforien esiintymisen todenn\u00e4k\u00f6isyytt\u00e4 lieroilla (eli parittelutodenn\u00e4k\u00f6isyytt\u00e4) mallinnettiin logistisella regressiolla. Selitt\u00e4jin\u00e4 k\u00e4ytettiin s\u00e4\u00e4- ja ymp\u00e4rist\u00f6oloja, yksil\u00f6tiheytt\u00e4 ja etanoliin s\u00e4il\u00f6ttyjen yksil\u00f6iden painoa. Tulosten mukaan sek\u00e4 kaste- ett\u00e4 peltolierot olivat paritelleet sit\u00e4 todenn\u00e4k\u00f6isemmin, mit\u00e4 painavampi yksil\u00f6 oli. Isokokoisten yksil\u00f6iden parempi parittelumenestys selittynee suuria yksil\u00f6it\u00e4 suosivalla valikoivalla pariutumisella. Lis\u00e4ksi kastelierojen parittelutodenn\u00e4k\u00f6isyytt\u00e4 lis\u00e4si n\u00e4ytteenottoa edelt\u00e4v\u00e4n viikon runsas sadem\u00e4\u00e4r\u00e4, kun taas peltolieroilla parittelutodenn\u00e4k\u00f6isyytt\u00e4 lis\u00e4si n\u00e4ytteenottoa edelt\u00e4vien kahden viikon korkea ilmankosteus. Kastelierojen vaste sadem\u00e4\u00e4r\u00e4\u00e4n selittyy lajin paritteluk\u00e4ytt\u00e4ytymisell\u00e4: kasteliero parittelee maan pinnalla, ja kosteat s\u00e4\u00e4olot tarjoavat suotuisat olosuhteet pinta-aktiivisuudelle. My\u00f6s maan alla parittelevien peltolierojen vaste ilmankosteuteen kertonee suotuisien kosteusolosuhteiden positiivisesta vaikutuksesta lajin aktiivisuuteen ja my\u00f6s parittelumenestykseen. Yksil\u00f6tiheydell\u00e4 ei ollut tilastollisesti merkitsev\u00e4\u00e4 yhteytt\u00e4 kummankaan lajin parittelutodenn\u00e4k\u00f6isyyteen sen j\u00e4lkeen, kun yksil\u00f6n painon ja ymp\u00e4rist\u00f6muuttujien yhteydet todenn\u00e4k\u00f6isyyteen oli otettu huomioon. Tulosten samankaltaisuus molemmilla tutkimuslajeilla on yll\u00e4tt\u00e4v\u00e4, koska lajit ovat ekologialtaan ja paritteluk\u00e4ytt\u00e4ytymiselt\u00e4\u00e4n huomattavan erilaiset.", "language": null, "element": "description", "qualifier": "abstract", "schema": "dc"}, {"key": "dc.description.provenance", "value": "Submitted using Plone Publishing form by Kati Saarinen (kmsaarin) on 2011-11-13 21:25:57.917007. Form: Pro gradu -lomake (1 tekij\u00e4) (https://kirjasto.jyu.fi/julkaisut/julkaisulomakkeet/pro-gradu-lomake-1-tekijae). JyX data:", "language": "en", "element": "description", "qualifier": "provenance", "schema": "dc"}, {"key": "dc.description.provenance", "value": "Submitted by jyx lomake-julkaisija (jyx-julkaisija@noreply.fi) on 2011-11-13T21:26:00Z\nNo. of bitstreams: 2\nURN:NBN:fi:jyu-2011111311678.pdf: 958134 bytes, checksum: 82a13c31e02b3eb5723b7fbd1827ec1b (MD5)\nlicense.html: 5039 bytes, checksum: 4bee1dae485dd88569169b3305842c3d (MD5)", "language": "en", "element": "description", "qualifier": "provenance", "schema": "dc"}, {"key": "dc.description.provenance", "value": "Made available in DSpace on 2011-11-13T21:26:01Z (GMT). No. of bitstreams: 2\nURN:NBN:fi:jyu-2011111311678.pdf: 958134 bytes, checksum: 82a13c31e02b3eb5723b7fbd1827ec1b (MD5)\nlicense.html: 5039 bytes, checksum: 4bee1dae485dd88569169b3305842c3d (MD5)\n Previous issue date: 2011", "language": "en", "element": "description", "qualifier": "provenance", "schema": "dc"}, {"key": "dc.format.extent", "value": "22 sivua", "language": null, "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": "Aporrectodea caliginosa", "language": "", "element": "subject", "qualifier": "other", "schema": "dc"}, {"key": "dc.subject.other", "value": "Lumbricus terrestris", "language": "", "element": "subject", "qualifier": "other", "schema": "dc"}, {"key": "dc.subject.other", "value": "parittelutodenn\u00e4k\u00f6isyys", "language": "", "element": "subject", "qualifier": "other", "schema": "dc"}, {"key": "dc.subject.other", "value": "spermatofori", "language": "", "element": "subject", "qualifier": "other", "schema": "dc"}, {"key": "dc.title", "value": "Lierojen parittelumenestyksen yhteys s\u00e4\u00e4- ja ymp\u00e4rist\u00f6oloihin, yksil\u00f6tiheyteen ja yksil\u00f6n kokoon", "language": null, "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-2011111311678", "language": null, "element": "identifier", "qualifier": "urn", "schema": "dc"}, {"key": "dc.type.dcmitype", "value": "Text", "language": "en", "element": "type", "qualifier": "dcmitype", "schema": 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"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.subject.discipline", "value": "Ekologia ja evoluutiobiologia", "language": "fi", "element": "subject", "qualifier": "discipline", "schema": "dc"}, {"key": "dc.subject.discipline", "value": "Ecology and evolutionary biology", "language": "en", "element": "subject", "qualifier": "discipline", "schema": "dc"}, {"key": "dc.date.updated", "value": "2011-11-13T21:26:01Z", "language": null, "element": "date", "qualifier": "updated", "schema": "dc"}, {"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": 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