Analysis of a feller-buncher productivity: A case study of whole-tree harvesting from marmara region, Turkey

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dc.authorid0000-0001-6558-9029en_US
dc.authorscopusid8536301500en_US
dc.contributor.authorGülci N.
dc.contributor.authorYüksel K.
dc.contributor.authorSerin H.
dc.contributor.authorBilici E.
dc.contributor.authorAkay, Abdullah Emin
dc.date.accessioned2022-04-01T12:04:11Z
dc.date.available2022-04-01T12:04:11Z
dc.date.issued2021en_US
dc.departmentBTÜ, Orman Fakültesi, Orman Mühendisliği Bölümüen_US
dc.description.abstractIn fully mechanized forest harvesting systems, tree felling activities are mostly performed by using harvesters or feller-bunchers. In some regions of Turkey, where terrain conditions and stand characteristics are suitable, fully mechanized harvesting systems have been recently practiced by some of the logging contractors as private forest industry demands for large amounts of forest products throughout the year. Thus, performances of these newly practiced harvesting systems should be carefully analyzed in order to implement productive and cost-effective mechanized harvesting systems. In this study, productivity of whole-tree harvesting using a feller-buncher was investigated based on stand parameters including tree height, DBH, and volume. The DBH of the felled trees were divided into four classes (i.e. very small: 16-19 cm, small: 20-23 cm, medium: 24-27 cm and large: 28-31 cm) to investigate the effects of various DBH class on the time consumption of cutting stage and productivity of the feller-buncher. To estimate productivity of feller-buncher in harvesting operation, multiple linear and polynomial regressions were also developed and discussed after the interpretation of diagnostic plots. The results indicated that the average productivity of the feller-buncher was 74.96 m3/h which was closely related with tree height (r = 0.63), DBH (r = 0.67), and volume (r = 0.67). The average moving time was the most time-consuming stage (60%), followed by cutting (29%) and bunching stages (11%). It was found that DBH classes caused statistically significant (p < 0.05) effects on the time spent on cutting stage and productivity of the feller-buncher. The cutting time and productivity increased from very small to large diameter classes, while bunching time increased from very small to small diameter and then medium diameter to large diameter classes. Polynomial regression had a positive impact on the performance of the estimation model of manually field-measured data based on the error parameters.en_US
dc.identifier.doi10.15287/afr.2021.2033en_US
dc.identifier.endpage110en_US
dc.identifier.issn18448135
dc.identifier.issue1en_US
dc.identifier.scopusqualityN/Aen_US
dc.identifier.startpage99en_US
dc.identifier.urihttps://hdl.handle.net/20.500.12885/1842
dc.identifier.volume64en_US
dc.identifier.wosqualityN/Aen_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.institutionauthorAkay, Abdullah Emin
dc.language.isoenen_US
dc.publisherEditura Silvicaen_US
dc.relation.ispartofAnnals of Forest Researchen_US
dc.relation.publicationcategoryMakale - Ulusal Hakemli Dergi - Başka Kurum Yazarıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectClear cuttingen_US
dc.subjectMechanized harvestingen_US
dc.subjectQuadratic modelen_US
dc.subjectStatistical analysisen_US
dc.titleAnalysis of a feller-buncher productivity: A case study of whole-tree harvesting from marmara region, Turkeyen_US
dc.typeArticleen_US

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