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Journal:   FOREST RESEARCH AND DEVELOPMENT   2016 , Volume 2 , Number 2 ; Page(s) 169 To 180.
 
Paper: 

Comparing Leaf Area Index At Different Distances From Constructed Forest Roads Edge In Hyrcanian Forest (Case Study: A Hornbeam-Beech Forest In Kheyrud, Mazandaran)
 
 
Author(s):  Deljouei A.*, Sadeghi S.M.M., Abdi E.
 
* FACULTY OF NATURAL RESOURCES, UNIVERSITY OF TEHRAN, KARAJ, I.R. IRAN
 
Abstract: 
The aim of this study was to investigate LAI in the main forest roads edge and comparing it at different distances in hornbeam-beech type. Study site was chosen in Namkhane district of Kheyrud Forest, in addition, LAI values were estimated along with16 transects having 100 meters length from the both edges of roadside into the forest (at each transect 9 points at the distances of zero (roadside), 5, 10, 15, 20, 30, 45, 60, and 100 meters from the main road) by using hemispherical photography method. The results of ANOVA analysis showed the effect of distance from road were significant on LAI value (P<0.001). Based on Tukey’s test, the LAI value at 100 meter was significantly greater than 15, 10, 5 and zero intervals of forest roads (P<0.05). The best correlation between LAI and distances from roads based on values of R2adj (0.60), and RMSE percentage (9.13) was positive power. Results showed that main forest roads up to 15 meters had an effect on LAI. Therefore, the less traffic and narrow roadbed and constructing the standard forest roads with respect to principle of close-to-nature in Kheyrud caused stress reduction on forest ecosystems. In general, when all ecological issues are considered while forest roads construction, roads will have little influence on forest ecological balance.
 
Keyword(s): HEMISPHERICAL PHOTOGRAPHY, LEAF AREA INDEX, ROAD EDGE, TRANSECT
 
 
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APA: Copy

DELJOUEI, A., & SADEGHI, S., & ABDI, E. (2016). COMPARING LEAF AREA INDEX AT DIFFERENT DISTANCES FROM CONSTRUCTED FOREST ROADS EDGE IN HYRCANIAN FOREST (CASE STUDY: A HORNBEAM-BEECH FOREST IN KHEYRUD, MAZANDARAN). FOREST RESEARCH AND DEVELOPMENT, 2(2 ), 169-180. https://www.sid.ir/en/journal/ViewPaper.aspx?id=571163



Vancouver: Copy

DELJOUEI A., SADEGHI S.M.M., ABDI E.. COMPARING LEAF AREA INDEX AT DIFFERENT DISTANCES FROM CONSTRUCTED FOREST ROADS EDGE IN HYRCANIAN FOREST (CASE STUDY: A HORNBEAM-BEECH FOREST IN KHEYRUD, MAZANDARAN). FOREST RESEARCH AND DEVELOPMENT. 2016 [cited 2022May28];2(2 ):169-180. Available from: https://www.sid.ir/en/journal/ViewPaper.aspx?id=571163



IEEE: Copy

DELJOUEI, A., SADEGHI, S., ABDI, E., 2016. COMPARING LEAF AREA INDEX AT DIFFERENT DISTANCES FROM CONSTRUCTED FOREST ROADS EDGE IN HYRCANIAN FOREST (CASE STUDY: A HORNBEAM-BEECH FOREST IN KHEYRUD, MAZANDARAN). FOREST RESEARCH AND DEVELOPMENT, [online] 2(2 ), pp.169-180. Available: https://www.sid.ir/en/journal/ViewPaper.aspx?id=571163.
 
 
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