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[{"key": "dc.contributor.author", "value": "Alaoja, Vilhelmiina", "language": null, "element": "contributor", "qualifier": "author", "schema": "dc"}, {"key": "dc.date.accessioned", "value": "2013-04-18T17:13:04Z", "language": null, "element": "date", "qualifier": "accessioned", "schema": "dc"}, {"key": "dc.date.available", "value": "2013-04-18T17:13:04Z", "language": null, "element": "date", "qualifier": "available", "schema": "dc"}, {"key": "dc.date.issued", "value": "2013", "language": null, "element": "date", "qualifier": "issued", "schema": "dc"}, {"key": "dc.identifier.other", "value": "oai:jykdok.linneanet.fi:1259121", "language": null, "element": "identifier", "qualifier": "other", "schema": "dc"}, {"key": "dc.identifier.uri", "value": "https://jyx.jyu.fi/handle/123456789/41219", "language": null, "element": "identifier", "qualifier": "uri", "schema": "dc"}, {"key": "dc.description.abstract", "value": "Suurin osa maalla el\u00e4vist\u00e4 putkilokasvilajeista ja -heimoista el\u00e4\u00e4 symbioosissa mykorritsasienten kanssa. Mykorritsatyyppej\u00e4 on useita, ja n\u00e4ist\u00e4 yleisin ja vanhin on arbuskelimykorritsasymbioosi, jossa Glomeromycota-sienet muodostavat arbuskelimykorritsaa (AM) kasvien juurien sis\u00e4ll\u00e4. T\u00e4m\u00e4 kasvin ja sienen v\u00e4linen tiivis suhde on molempia osapuolia hy\u00f6dytt\u00e4v\u00e4 symbioosi. Toisenvarainen AM sieni on riippuvainen kasvin tuottamasta orgaanisesta hiilest\u00e4, ja vastapalveluksena sieni voi parantaa kasvin ravinteiden- ja vedenottokyky\u00e4, sek\u00e4 suojata t\u00e4t\u00e4 taudinaiheuttajilta, tuhohy\u00f6nteisilt\u00e4 ja laiduntajilta, sek\u00e4 parantaa kasvin kuivuudensietokyky\u00e4. Vaikuttamalla is\u00e4nt\u00e4kasvien kasvuun ja resurssien kohdentamiseen AM sienet vaikuttavat my\u00f6s kasvien v\u00e4lisiin suhteisiin, sek\u00e4 edelleen kasvien ja maaper\u00e4n pieneli\u00f6st\u00f6n eli\u00f6yhteis\u00f6iden rakenteisiin ja monimuotoisuuteen. Tutkin AM sienten roolia hietatievojen sukkessiossa Suomen Lapissa. Mittasin sienten merkityst\u00e4 is\u00e4nt\u00e4kasville juurten kolonisaatioasteen (%) avulla. Tutkimuskasvilajina oli mets\u00e4lauha, Deschampsia flexuosa, joka kasvoi sek\u00e4 hietatievojen deflaatioaltaissa (sukkession alkuvaihe) ett\u00e4 jo metsittyneill\u00e4 dyyneill\u00e4 (kliimaksi). AM symbioosin merkityksen on aikaisemmissa tutkimuksissa todettu nousevan ekosysteemin ik\u00e4\u00e4ntyess\u00e4 ja vakaantuessa. Kolonisaatio on tyypillisesti suurempaa ekosysteemeiss\u00e4, joissa ep\u00e4orgaanisten ravinteiden saatavuus on heikko ja kilpailu resursseista on kovaa. T\u00e4ss\u00e4 tutkimuksessa kolonisaation m\u00e4\u00e4r\u00e4 is\u00e4nt\u00e4kasvien juurissa oli kuitenkin suurempaa deflaatioaltaissa kuin metsittyneill\u00e4 dyyneill\u00e4, mik\u00e4 oli vastoin ennakko-oletuksia. N\u00e4ytt\u00e4\u00e4 siis silt\u00e4, ett\u00e4 mets\u00e4lauhakasvit deflaatioaltaissa ovat riippuvaisempia AM sienist\u00e4 kuin metsittyneiden dyynien mets\u00e4lauhat - jatkotutkimus on tarpeen selvitt\u00e4m\u00e4\u00e4n miksi.", "language": "fi", "element": "description", "qualifier": "abstract", "schema": "dc"}, {"key": "dc.description.abstract", "value": "Most of all land plant species and families are mycorrhizal, and the majority of them house the symbiont arbuscular mycorrhizal (AM) fungi in their roots. The attachment between the host plant and the mycorrhizal fungus is called a mutualistic symbiosis. The heterotrophic AM fungi rely on organic carbon provided by their plant hosts and in return the fungi can improve their host plants nutrients acquisition, provide protection from pathogens and herbivores, and tolerance of water deficit. By affecting the plant's resource allocation and growth, AM fungi may affect the interactions between plants and thus alter the composition of plant and soil microbial communities. I studied the role of AM fungi in vegetation succession of inland sand dunes in Finnish Lapland. I assessed the mycorrhizal status of a host plant as percent root length colonized (%). The study plant, Deschampsia flexuosa, grew both in the deflation basins (the beginning of succession) and in the vegetated dunes (the climax) in the study area. Mycorrhizal colonization is generally common in old and stabilized ecosystems and absent or low in early successional phases of ecosystems, or in ecosystem suffering from severe disturbances. Colonization tends to be high when the amount of inorganic nutrients in soil is low and competition for sparse resources is intense. In this study I found that the colonization of roots was greater in the disturbed deflation basins than in the stabilized vegetated dunes, which was contrary to what was expected. For one reason or the other it seems that the host plants in the deflation basins are more dependent on AM fungi - but to find out for what, we need to study further.", "language": "en", "element": "description", "qualifier": "abstract", "schema": "dc"}, {"key": "dc.description.provenance", "value": "Submitted using Plone Publishing form by Vilhelmiina Alaoja (lavialao) on 2013-04-18 17:13:02.592610. 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 2013-04-18T17:13:04Z\nNo. of bitstreams: 2\nURN:NBN:fi:jyu-201304181464.pdf: 12175726 bytes, checksum: f23869c0b29993f6efa2a05e1c5f9419 (MD5)\nlicense.html: 107 bytes, checksum: a7d86e598caa500b1b433bbb9dc8ef1c (MD5)", "language": "en", "element": "description", "qualifier": "provenance", "schema": "dc"}, {"key": "dc.description.provenance", "value": "Made available in DSpace on 2013-04-18T17:13:04Z (GMT). No. of bitstreams: 2\nURN:NBN:fi:jyu-201304181464.pdf: 12175726 bytes, checksum: f23869c0b29993f6efa2a05e1c5f9419 (MD5)\nlicense.html: 107 bytes, checksum: a7d86e598caa500b1b433bbb9dc8ef1c (MD5)\n Previous issue date: 2013", "language": "en", "element": "description", "qualifier": "provenance", "schema": "dc"}, {"key": "dc.format.extent", "value": "34 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": "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": "Arbuscular mycorrhizal fungi", "language": "", "element": "subject", "qualifier": "other", "schema": "dc"}, {"key": "dc.subject.other", "value": "Deschampsia flexuosa", "language": "", "element": "subject", "qualifier": "other", "schema": "dc"}, {"key": "dc.subject.other", "value": "Glomeromycota", "language": "", "element": "subject", "qualifier": "other", "schema": "dc"}, {"key": "dc.subject.other", "value": "inland sand dunes", "language": "", "element": "subject", "qualifier": "other", "schema": "dc"}, {"key": "dc.subject.other", "value": "mycorrhiza", "language": "", "element": "subject", "qualifier": "other", "schema": "dc"}, {"key": "dc.subject.other", "value": "subarctic", "language": "", "element": "subject", "qualifier": "other", "schema": "dc"}, {"key": "dc.subject.other", "value": "succession", "language": "", "element": "subject", "qualifier": "other", "schema": "dc"}, {"key": "dc.subject.other", "value": "symbiosis", "language": "", "element": "subject", "qualifier": "other", "schema": "dc"}, {"key": "dc.title", "value": "The role of symbiotic arbuscular mycorrhizal fungi (Glomeromycota) in roots of the host plant Deschampsia flexuosa in vegetation succession of inland sand dunes in Finnish Lapland", "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-201304181464", "language": null, "element": "identifier", "qualifier": "urn", "schema": "dc"}, {"key": "dc.type.dcmitype", "value": "Text", "language": "en", "element": "type", "qualifier": "dcmitype", "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": "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": "2013-04-18T17:13:05Z", "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": "openAccess", "language": "fi", "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": "4011", "language": null, "element": "subject", "qualifier": "oppiainekoodi", "schema": "dc"}, {"key": "dc.subject.yso", "value": "putkilokasvit", "language": null, "element": "subject", "qualifier": "yso", "schema": "dc"}, {"key": "dc.subject.yso", "value": "mykorritsa", "language": null, "element": "subject", "qualifier": "yso", "schema": "dc"}, {"key": "dc.subject.yso", "value": "sukkessio", "language": null, "element": "subject", "qualifier": "yso", "schema": "dc"}, {"key": "dc.subject.yso", "value": "symbioosi", "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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