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[{"key": "dc.contributor.advisor", "value": "Vallius, Elisa", "language": "", "element": "contributor", "qualifier": "advisor", "schema": "dc"}, {"key": "dc.contributor.author", "value": "M\u00e4kel\u00e4, Pyry", "language": null, "element": "contributor", "qualifier": "author", "schema": "dc"}, {"key": "dc.date.accessioned", "value": "2016-02-08T16:18:26Z", "language": "", "element": "date", "qualifier": "accessioned", "schema": "dc"}, {"key": "dc.date.available", "value": "2016-02-08T16:18:26Z", "language": "", "element": "date", "qualifier": "available", "schema": "dc"}, {"key": "dc.date.issued", "value": "2016", "language": null, "element": "date", "qualifier": "issued", "schema": "dc"}, {"key": "dc.identifier.other", "value": "oai:jykdok.linneanet.fi:1522012", "language": null, "element": "identifier", "qualifier": "other", "schema": "dc"}, {"key": "dc.identifier.uri", "value": "https://jyx.jyu.fi/handle/123456789/48676", "language": "", "element": "identifier", "qualifier": "uri", "schema": "dc"}, {"key": "dc.description.abstract", "value": "Suuri osa maapallon pinta-alasta on ihmisen muokkaamaa, ja maank\u00e4yt\u00f6n aiheuttamia ymp\u00e4rist\u00f6muutoksia pidet\u00e4\u00e4n yhten\u00e4 keskeisen\u00e4 syyn\u00e4 ekosysteemien monimuotoisuuden v\u00e4henemiseen. Elinymp\u00e4rist\u00f6jen pienentyminen, pirstoutuminen ja heikentyminen ovat yksitt\u00e4isi\u00e4 esimerkkej\u00e4 ihmistoiminnan seurauksista. T\u00e4ss\u00e4 Pro gradu -ty\u00f6ss\u00e4 tutkin maank\u00e4yt\u00f6n muuttumista arvokkaiden lehtokohteiden ymp\u00e4rist\u00f6ss\u00e4 vanhojen ilmakuvien avulla vuosina 1965\u20132002. Lis\u00e4ksi tarkastelin vanhojen maastokartoitusten perusteella, ovatko maank\u00e4yt\u00f6st\u00e4 seuranneet ymp\u00e4rist\u00f6muutokset aiheuttaneet n\u00e4kyv\u00e4n luontovaikutuksen tutkimusalueiden kasvilajistossa. Aineistoa tarkastelin paikkatietomenetelmill\u00e4, tilastollisilla testeill\u00e4 sek\u00e4 tutkimusaluekohtaisella tapaustutkimuksella. Tuloksista n\u00e4hd\u00e4\u00e4n, ett\u00e4 maank\u00e4ytt\u00f6 lehtokohteilla ja niiden ymp\u00e4rist\u00f6ss\u00e4 muuttui tarkastelujaksolla, ja merkitt\u00e4vin muutos oli teiden merkitt\u00e4v\u00e4 runsastuminen. Luontokohteiden kasvilajisto muuttui ennen kaikkea uusien, avoimuudesta hy\u00f6tyvien lajien ilmestymisen my\u00f6t\u00e4 ja n\u00e4m\u00e4 muutokset ovat p\u00e4\u00e4osin selitett\u00e4viss\u00e4 maank\u00e4yt\u00f6n muutoksilla. Maank\u00e4yt\u00f6n ohjauksen haasteena tulevaisuudessa on rajata arvokkaat luontokohteet ihmistoiminnan ulkopuolelle ja n\u00e4in ehk\u00e4ist\u00e4 luonnon monimuotoisuuden v\u00e4hentymist\u00e4.", "language": "fi", "element": "description", "qualifier": "abstract", "schema": "dc"}, {"key": "dc.description.abstract", "value": "Considerable part of the surface of the Earth is modified by man and the environ-mental impacts of land use are central reasons for the loss of biodiversity. Destruction, fragmentation and damaging of habitats are just a few examples of the result of human activity. In this master thesis, I studied land use changes around grove patterns during the years 1965\u20132002 using old aerial photographs. I also used old field inventory data to find out if land use changes have caused visible ecological impacts on the flora of grove patterns. The consequences show that land use changed in and around valued ecosystem components during the examined period. The key finding was that narrow roads became more frequent. The flora of valued ecosystem components changed above all by invasion of species that prefer open areas. Changes in grove patterns over time can be explained by land use changes. According to the results, the main challenge in the future is to restrict land use near valued ecosystem components to prevent the loss of biodiversity.", "language": "en", "element": "description", "qualifier": "abstract", "schema": "dc"}, {"key": "dc.description.provenance", "value": "Submitted using Plone Publishing form by Pyry M\u00e4kel\u00e4 (pylavama) on 2016-02-08 16:18:25.370548. Form: Pro gradu -lomake (https://kirjasto.jyu.fi/julkaisut/julkaisulomakkeet/pro-gradu-lomake). JyX data: [jyx_publishing-allowed (fi) =True]", "language": "en", "element": "description", "qualifier": "provenance", "schema": "dc"}, {"key": "dc.description.provenance", "value": "Submitted by jyx lomake-julkaisija (jyx-julkaisija.group@korppi.jyu.fi) on 2016-02-08T16:18:25Z\r\nNo. of bitstreams: 2\r\nURN:NBN:fi:jyu-201602081500.pdf: 3464022 bytes, checksum: fa102155f5fdbfb9112d67c87d888e3b (MD5)\r\nlicense.html: 4842 bytes, checksum: 025631de45eb7b3ec403186bf42a282f (MD5)", "language": "en", "element": "description", "qualifier": "provenance", "schema": "dc"}, {"key": "dc.description.provenance", "value": "Made available in DSpace on 2016-02-08T16:18:26Z (GMT). No. of bitstreams: 2\r\nURN:NBN:fi:jyu-201602081500.pdf: 3464022 bytes, checksum: fa102155f5fdbfb9112d67c87d888e3b (MD5)\r\nlicense.html: 4842 bytes, checksum: 025631de45eb7b3ec403186bf42a282f (MD5)\r\n Previous issue date: 2016", "language": "en", "element": "description", "qualifier": "provenance", "schema": "dc"}, {"key": "dc.format.extent", "value": "1 verkkoaineisto (113 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": "ihmisvaikutus", "language": "", "element": "subject", "qualifier": "other", "schema": "dc"}, {"key": "dc.subject.other", "value": "kasviyhteis\u00f6", "language": "", "element": "subject", "qualifier": "other", "schema": "dc"}, {"key": "dc.subject.other", "value": "luontokohde", "language": "", "element": "subject", "qualifier": "other", "schema": "dc"}, {"key": "dc.subject.other", "value": "maank\u00e4ytt\u00f6", "language": "", "element": "subject", "qualifier": "other", "schema": "dc"}, {"key": "dc.title", "value": "Ymp\u00e4rist\u00f6muutos ja luontovaikutus : arvokkaat lehtokohteet ihmistoiminnan keskell\u00e4", "language": null, "element": "title", "qualifier": null, "schema": "dc"}, {"key": "dc.title.alternative", "value": "Arvokkaat lehtokohteet ihmistoiminnan keskell\u00e4", "language": null, "element": "title", "qualifier": "alternative", "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-201602081500", "language": null, "element": 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