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[{"key": "dc.contributor.advisor", "value": "M\u00f6nkk\u00f6nen, Mikko", "language": "", "element": "contributor", "qualifier": "advisor", "schema": "dc"}, {"key": "dc.contributor.advisor", "value": "Peura, Maiju", "language": "", "element": "contributor", "qualifier": "advisor", "schema": "dc"}, {"key": "dc.contributor.author", "value": "M\u00e4enp\u00e4\u00e4, Hennariikka", "language": "", "element": "contributor", "qualifier": "author", "schema": "dc"}, {"key": "dc.date.accessioned", "value": "2018-09-26T05:37:57Z", "language": null, "element": "date", "qualifier": "accessioned", "schema": "dc"}, {"key": "dc.date.available", "value": "2018-09-26T05:37:57Z", "language": null, "element": "date", "qualifier": "available", "schema": "dc"}, {"key": "dc.date.issued", "value": "2018", "language": "", "element": "date", "qualifier": "issued", "schema": "dc"}, {"key": "dc.identifier.uri", "value": "https://jyx.jyu.fi/handle/123456789/59662", "language": null, "element": "identifier", "qualifier": "uri", "schema": "dc"}, {"key": "dc.description.abstract", "value": "Suomessa mets\u00e4lailla suojellut erityisen t\u00e4rke\u00e4t elinymp\u00e4rist\u00f6t, eli mets\u00e4lakikohteet, ovat yksi tapa suojella luonnon monimuotoisuutta talousmetsiss\u00e4. On kuitenkin ep\u00e4selv\u00e4\u00e4, kuinka mets\u00e4lakikohteita tulisi k\u00e4yt\u00e4nn\u00f6ss\u00e4 k\u00e4sitell\u00e4, jotta niiden ominaispiirteiden s\u00e4ilyminen voitaisiin turvata. T\u00e4m\u00e4n tutkimuksen tavoitteena on selvitt\u00e4\u00e4 suojavy\u00f6hykkeen ja poimintahakkuun vaikutuksia tuulenkaatojen m\u00e4\u00e4r\u00e4\u00e4n mets\u00e4lain 10 \u00a7:ss\u00e4 m\u00e4ritellyill\u00e4 puronvarsilla. Tutkimuksessa oli mukana 37 puronvarsimets\u00e4\u00e4 (leveys 15 m). Puronvarsimetsien viereen on tehty p\u00e4\u00e4tehakkuu vuonna 2006, lukuun ottamatta k\u00e4sittelem\u00e4tt\u00f6mi\u00e4 kontrolleja. Puronvarren ja hakkuun v\u00e4liin oli j\u00e4tetty osalla kohteista 15 m suojavy\u00f6hyke ja osa puronvarsista ja suojavy\u00f6hykkeist\u00e4 oli poimintahakattu. Tuulenkaadot m\u00e4\u00e4ritettiin puronvarsilla syksyll\u00e4 2017. Tulosten mukaan tuulenkaatoja syntyi enemm\u00e4n kohteilla, joiden vieress\u00e4 oli avohakkuu, kuin kontrollikohteilla ilman avohakkuuta. Tuulenkaatoja oli kuitenkin v\u00e4hemm\u00e4n puronvarsielinymp\u00e4rist\u00f6iss\u00e4, kun niiden ja avohakkuun v\u00e4liin oli j\u00e4tetty suojavy\u00f6hyke. Tuulenkaadot lis\u00e4\u00e4ntyiv\u00e4t avohakkuun reunan ilmansuunnan l\u00e4hestyess\u00e4 etel\u00e4\u00e4. My\u00f6s p\u00e4\u00e4tehakkuu puron toisella puolella lis\u00e4si tuulenkaatoja. Tulokset viittaavat siihen, ett\u00e4 15 m suojavy\u00f6hyke riitt\u00e4\u00e4 suojamaan puronvarsia tuulituhoilta my\u00f6s silloin, kun niill\u00e4 on suoritettu poimintahakkuu. T\u00e4m\u00e4n lis\u00e4ksi suojavy\u00f6hykkeiden suunnittelussa tulisi ottaa huomioon ymp\u00e4rist\u00f6n muu mets\u00e4nk\u00e4sittely ja avohakkuun ilmansuunta, jotta puronvarret ja niiden suojavy\u00f6hykkeet eiv\u00e4t olisi alttiita tuulituhoille.", "language": "fi", "element": "description", "qualifier": "abstract", "schema": "dc"}, {"key": "dc.description.abstract", "value": "Woodland key habitats represent one way of protecting biodiversity in production forests and some of them are protected by Finnish Forest Act. Habitats are set aside from the most intensive forest management and are protected with buffer zones. However, buffer zones are often narrow because of high costs to landowners and therefore are vulnerable to windthrows. Windthrows further increase the openness of the habitat and financial losses. The aim of this thesis is to disentangle the issue by estimating the effects of buffer zone and selective logging on windthrows on brook-side key habitats. The study was conducted on 37 brook-side habitats in Finland, where clear cuts have taken place in 2006, and some were left outside of management as control sites. Between the 15 meters wide brook-side and logged area, buffer zone of 15 meters or no buffer zone was left, and some of the brook-sides and buffer zones were selectively logged. Wind damages were estimated in autumn 2017 by counting windthrows. Brook-sides and buffer zones in adjacent to clear cuts had more windthrows than the control sites. However, brook-sides with buffer zones had less windthrows than brook-sides without, whether they were selectively logged or not. The number of windthrows increased when the direction of the clear cut approached south. Felling on the other side of the brook also increased the number of windthrows. This suggests, that 15 m buffer zones protect the brook-side habitats from windthrows, also when they are selectively logged. Forest management actions in surrounding landscape should be considered in buffer zone management. Especially on brook-sides with clear cuts facing south, the buffer zone should be left wide enough to prevent the risk of windthrows.", "language": "en", "element": "description", "qualifier": "abstract", "schema": "dc"}, {"key": "dc.description.provenance", "value": "Submitted by Paivi Vuorio (paelvuor@jyu.fi) on 2018-09-26T05:37:56Z\nNo. of bitstreams: 0", "language": "en", "element": "description", "qualifier": "provenance", "schema": "dc"}, {"key": "dc.description.provenance", "value": "Made available in DSpace on 2018-09-26T05:37:57Z (GMT). No. of bitstreams: 0\n Previous issue date: 2018", "language": "en", "element": "description", "qualifier": "provenance", "schema": "dc"}, {"key": "dc.format.extent", "value": "56", "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": "windthrows", "language": "", "element": "subject", "qualifier": "other", "schema": "dc"}, {"key": "dc.subject.other", "value": "woodland key habitat", "language": "", "element": "subject", "qualifier": "other", "schema": "dc"}, {"key": "dc.title", "value": "Wind damages on brook-side key habitats : effects of buffer zone and selective logging", "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-201809264240", "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": "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": "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": "restrictedAccess", "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": "4011", "language": "", "element": "subject", "qualifier": "oppiainekoodi", "schema": "dc"}, {"key": "dc.subject.yso", "value": "mets\u00e4nk\u00e4sittely", "language": null, "element": "subject", "qualifier": "yso", "schema": "dc"}, {"key": "dc.subject.yso", "value": "kangasmets\u00e4t", "language": null, "element": "subject", "qualifier": "yso", "schema": "dc"}, {"key": "dc.subject.yso", "value": "biodiversiteetti", "language": null, "element": "subject", "qualifier": "yso", "schema": "dc"}, {"key": "dc.subject.yso", "value": "avohakkuut", "language": null, "element": "subject", "qualifier": "yso", "schema": "dc"}, {"key": "dc.subject.yso", "value": "tuulituhot", "language": null, "element": "subject", "qualifier": "yso", "schema": "dc"}, {"key": "dc.subject.yso", "value": "talousmets\u00e4t", "language": null, "element": "subject", "qualifier": "yso", "schema": "dc"}, {"key": "dc.subject.yso", "value": "purot", "language": null, "element": "subject", "qualifier": "yso", "schema": "dc"}, {"key": "dc.subject.yso", "value": "forest management", "language": null, "element": "subject", "qualifier": "yso", "schema": "dc"}, {"key": "dc.subject.yso", "value": "boreal forests", "language": null, "element": "subject", "qualifier": "yso", "schema": "dc"}, {"key": "dc.subject.yso", "value": "biodiversity", "language": null, "element": "subject", "qualifier": "yso", "schema": "dc"}, {"key": "dc.subject.yso", "value": "clearcuttings", "language": null, "element": "subject", "qualifier": "yso", "schema": "dc"}, {"key": "dc.subject.yso", "value": "wind damage", "language": null, "element": "subject", "qualifier": "yso", "schema": "dc"}, {"key": "dc.subject.yso", "value": "commercial forests", "language": null, "element": "subject", "qualifier": "yso", "schema": "dc"}, {"key": "dc.subject.yso", "value": "brooks", "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.rights.accessrights", "value": "The author has not given permission to make the work publicly available electronically. Therefore the material can be read only at the archival workstation at Jyv\u00e4skyl\u00e4 University Library (https://kirjasto.jyu.fi/en/workspaces/facilities).", "language": "en", "element": "rights", "qualifier": "accessrights", "schema": "dc"}, {"key": "dc.rights.accessrights", "value": "Tekij\u00e4 ei ole antanut lupaa avoimeen julkaisuun, joten aineisto on luettavissa vain Jyv\u00e4skyl\u00e4n yliopiston kirjaston arkistoty\u00f6semalta. Ks. https://kirjasto.jyu.fi/fi/tyoskentelytilat/laitteet-ja-tilat..", "language": "fi", "element": "rights", "qualifier": "accessrights", "schema": "dc"}, {"key": "dc.type.okm", "value": "G2", "language": null, "element": "type", "qualifier": "okm", "schema": "dc"}]
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