Estimation of crown closure and tree density using landsat tm satellite images in mixed forest stands

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dc.authorid0000-0001-9696-1153en_US
dc.contributor.authorKahriman, Aydın
dc.contributor.authorGünlü, Alkan
dc.contributor.authorKarahalil, Uzay
dc.date.accessioned2021-10-19T08:51:38Z
dc.date.available2021-10-19T08:51:38Z
dc.date.issued2014
dc.departmentAÇÜ, Orman Fakültesi, Orman Mühendisliği Bölümüen_US
dc.description.abstractThe objective of this study was to investigate the relationship between crown closure and tree density in mixed forest stands using Landsat Thematic Mapper (TM) reflectance values (TM 1- TM 5 and TM 7) and six vegetation indices (SR, DVI, SAVI, NDVI, TVI and NLI). In this study, multiple regression analysis was used to estimate the relationships between the crown closure and tree density (number of tree stems per hectare) using reflectance values and vegetation indices (VIs). The results demonstrated that the model that used SR and DVI had the best performances in terms of crown closure (R-2 = 0.674) and the model that used the DVI and SAVI had the best performances in terms of tree density (R-2 = 0.702). The regression model that used TM 1, TM 3 together with TM 4 showed the performances of the crown closure (R-2 = 0.610) and the regression model that used TM 1 showed the performances of the tree density (0.613). Results obtained from this research show that vegetation indices (VIs) were a better predictor of crown closure and tree density than other TM bands.
dc.identifier.citationKahriman, A., Günlü, A., & Karahalil, U. (2014). Estimation of crown closure and tree density using Landsat TM satellite images in mixed forest stands. Journal of the Indian Society of Remote Sensing, 42(3), 559-567.en_US
dc.identifier.doi10.1007/s12524-013-0355-3
dc.identifier.endpage567en_US
dc.identifier.issue3en_US
dc.identifier.scopusqualityQ1
dc.identifier.startpage559en_US
dc.identifier.urihttps://hdl.handle.net/11494/3530
dc.identifier.volume42en_US
dc.identifier.wosqualityN/A
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.institutionauthorKahriman, Aydın
dc.language.isoenen_US
dc.publisherSpringeren_US
dc.relation.ispartofJournal of the Indian Society of Remote Sensing
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectCrown closureen_US
dc.subjectTree densityen_US
dc.subjectLandsat TMen_US
dc.subjectMixed foresten_US
dc.titleEstimation of crown closure and tree density using landsat tm satellite images in mixed forest standsen_US
dc.typeArticle

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