Please use this identifier to cite or link to this item:https://hdl.handle.net/20.500.12259/89049
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dc.contributor.authorSidabras, Nerijus-
dc.contributor.authorAugustaitis, Algirdas-
dc.coverage.spatialLV-
dc.date.accessioned2019-05-18T01:34:41Z-
dc.date.available2019-05-18T01:34:41Z-
dc.date.issued2015-
dc.identifier.issn22558535-
dc.identifier.otherVDU02-000050606-
dc.identifier.urihttps://hdl.handle.net/20.500.12259/89049-
dc.description.abstractLeaf area index (LAI) is widely used to describe the main characteristics of forest stands such as cover intensity at different forest levels from moss to tree as well as main stand dendrometric parameters. Hemispherical canopy photograph was used for analyzing quality and quantity of coniferous forest in Aukstaitija national park. Different sampling systems from single plots to aggregating them into stands allowed assessing significance of LAI detected by the HemiView system in forestry without special preparation. The obtained data revealed that the use of hemispheric photograph for LAI estimation in multi-aged and multi-layered mature and over mature pine and spruce stands was rather problematic. Only cover intensity of understory vegetation (grasses and mosses) was reflected best. In pure pine stands LAI also significantly reflected spatial changes in cover intensity of shrubs, grasses and mosses levels and in addition - spatial changes in main dendrometric stand parameters. Key findings - significant relationships between LAI detected in November and pine needle litterfall over September-October. It allowed detecting significance of LAI in mass balance of the main nutritional and contaminant components calculations. LAI increase by 1 m2 m-2 increased total litterfall amount by 1.7 t ha-1 in a pure mature pine forest. The obtained results indicated good perspectives of LAI detected by HemiView system in forestry even without special their preparationen
dc.description.sponsorshipVytauto Didžiojo universitetas-
dc.description.sponsorshipŽemės ūkio akademija-
dc.format.extentp. 26–34-
dc.language.isoen-
dc.relation.ispartofProceedings of the Latvia university of agriculture. , 2015, vol. 33, iss.1-
dc.relation.isreferencedbyCAB Abstracts-
dc.subjectLAI by HemiView systemen
dc.subjectDendrometric parametersen
dc.subjectCover intensityen
dc.subjectLitterfallen
dc.subject.otherMiškotyra / Forestry (A004)-
dc.titleApplication Perspectives of the Leaf Area Index (LAI) Estimated by the Hemiview System in Forestryen
dc.typeStraipsnis kitose duomenų bazėse / Article in other databases (S4)-
dc.identifier.doihttps://doi.org/10.1515/plua-2015-0004-
dcterms.bibliographicCitation32-
dc.date.updated2015-12-15T16:02Z-
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local.typeS-
item.fulltextWith Fulltext-
item.grantfulltextopen-
crisitem.author.deptMiškotvarkos ir medienotyros institutas-
crisitem.author.deptŽemės ūkio akademija-
Appears in Collections:Universiteto mokslo publikacijos / University Research Publications
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