Effects of tree canopy on litter decomposition rates of Abies nordmanniana, Picea orientalis and Pinus sylvestris

dc.contributor.authorSarıyıldız, Temel
dc.date.accessioned2025-06-10T13:01:30Z
dc.date.available2025-06-10T13:01:30Z
dc.date.issued2008
dc.departmentAÇÜ, Orman Fakültesi, Orman Mühendisliği Bölümü
dc.description.abstractEffects of tree canopy (distance from the stem) on litter decay rates were investigated in the field for 4 years. Needle litter of Nordmann fir [Abies nordmanniana (Stev.) Spach.], Oriental spruce [Picea orientalis (L.) Link] and Scots pine (Pinus sylvestris L.) species were placed at three distances from their stems (<1 m, 1-2 m and >2 m). The litter showed highest decomposition rates at the distance of >2 m and lowest rates at <1 m for all species. Initial lignin concentrations were most strongly correlated with the decay rates, but among the microclimatic and soil factors, forest floor moisture content was the best predictor. The results showed that litter quality variables define the potential rates of microbial decomposition rates within and between trees, but adverse environmental conditions created by a tree canopy can also significantly affect decomposition rates. The closer distance to the stem significantly reduces litter decay rates by changing environmental conditions (especially forest floor moisture content) which can reduce microbial activity, and thus, the effects of tree canopy on litter decomposition rates should be taken into an account when calculating or comparing litter decomposition dynamics of forest ecosystems.
dc.identifier.doi10.1080/02827580802275816
dc.identifier.endpage338
dc.identifier.issn16511891
dc.identifier.issue4
dc.identifier.scopus2-s2.0-49949085884
dc.identifier.scopusqualityQ2
dc.identifier.startpage330
dc.identifier.urihttps://hdl.handle.net/11494/5466
dc.identifier.volume23
dc.identifier.wosWOS:000258590400006
dc.identifier.wosqualityQ2
dc.indekslendigikaynakScopus
dc.indekslendigikaynakWeb of Science
dc.institutionauthorSarıyıldız, Temel
dc.language.isoen
dc.publisherTaylor&Francis
dc.relation.ispartofScandinavian Journal of Forest Research
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/embargoedAccess
dc.subjectForest floor moisture
dc.subjectLitter decomposition
dc.subjectLitter quality
dc.subjectNordmann fir
dc.subjectOriental spruce
dc.subjectScots pine
dc.subjectTree canopy
dc.titleEffects of tree canopy on litter decomposition rates of Abies nordmanniana, Picea orientalis and Pinus sylvestris
dc.typeArticle

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