SPATIAL DISTRIBUTION OF BUXUS BLIGHT AND ITS RELATION WITH SOME ENVIRONMENTAL FACTORS (CASE STUDY: KHIBOOS ANJILSI PROTECTED AREA)

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ESMAILI R.; SOOSANI J.; SHATAEE JOUYBARI SH.; NAGHAVI H.; POORSHAKORI F.

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Journal: Journal of Wood and Forest Science and Technology Year:2016 | Volume:23 | Issue:SUPPLEMENT 2 Page(s): 147-167

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Title

SPATIAL DISTRIBUTION OF BUXUS BLIGHT AND ITS RELATION WITH SOME ENVIRONMENTAL FACTORS (CASE STUDY: KHIBOOS ANJILSI PROTECTED AREA)

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Keywords

BUX BLIGHTQ1

SPATIAL DISTRIBUTIONQ2

PRIMARY AND SECONDARY TOPOGRAPHY CHARACTERISTICSQ2

TERRAIN ANALYSISQ1

GISQ2

Abstract

Background and objectives: These days with the development of natural sciences, the importance of biodiversity is revealed in different fields and the objectives of forest management are focused on biodiversity. So that nowadays conservation of biodiversity is considered as an important issue in sustainable forest management. The importance of northern forests of Iran in aspect of conservation of genetic resources, and some plant species that are unique to this region is common clear fo all and And its vital role in many aspects such as economic, social, environmental balance, ecosystems stabilization and conservation has attracted the manager attention at regional and local levels. One of the most important problems of that forests is destruction caused by natural and anthropogenic factors in recent decades, has faced them with a crisis situation. Lately, Buxus blight is encountered as an important problem in the northern forests. According to the importance of Buxus Hyrcana in aspect of biodiversity, forest managers are trying to identify factors affecting on Buxus blight and its spatial patterns. This study aims to identify SPATIAL DISTRIBUTION of Buxus blight and its relationship to primary and secondry topography characteristic and som environmental factors using TERRAIN ANALYSIS and GIS.Materials and methods: The main goal of this study is an investigation on SPATIAL DISTRIBUTION of the BUX BLIGHT in relation to PRIMARY AND SECONDARY TOPOGRAPHY CHARACTERISTICS and distance from river and roads using TERRAIN ANALYSIS and GIS. A 200×500 meters random systematic sampling network with 0.1 ha sample area was designed in GIS and applied on Khiboos & Anjilsi Forest protected area. The locations of diseased trees were registered using GPS in each sample and was imported to GIS. The digital elevation model (DEM) of the study area was generated using the interpolating of contour lines from 1: 25000 topography map and the PRIMARY AND SECONDARY TOPOGRAPHY CHARACTERISTICS and distance from river and roads were produced using TERRAIN ANALYSIS and GIS. The digital values of location of eachbox blight tree were extracted from digital maps. The impact of selected factors on the tree crown dieback was assessed using relative effect (RE) method and principal component analysis (PCA).Results: The results showed that the north aspect, 400-600 meter mean sea level altitude, the 30-40 percent slop, the 0-50 meters distance from rivers, the 300-400 meters distance from roads, the shaded relief of 0.8-1, solar radiation of 0-250 and wetness of 17.5-20, were more effective on the Buxus Blight. The results of PCA analysis also showed that four factors of Aspect shaded relief wetness and distance from river with attending on four axes and 72 percent variances have been effective on Buxus Blight.Conclusion: According to the results of this research, it can be stated that damages caused by boxwood blight are heavily affected by some environmental factors such as light and humidity and landform factors because of receving of the different amount of light and humidity have an important role in severity of that disease.

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APA: Copy

ESMAILI, R., SOOSANI, J., SHATAEE JOUYBARI, SH., NAGHAVI, H., & POORSHAKORI, F.. (2016). SPATIAL DISTRIBUTION OF BUXUS BLIGHT AND ITS RELATION WITH SOME ENVIRONMENTAL FACTORS (CASE STUDY: KHIBOOS ANJILSI PROTECTED AREA). JOURNAL OF WOOD AND FOREST SCIENCE AND TECHNOLOGY, 23(SUPPLEMENT 2), 147-167. SID. https://sid.ir/paper/156700/en

Vancouver: Copy

ESMAILI R., SOOSANI J., SHATAEE JOUYBARI SH., NAGHAVI H., POORSHAKORI F.. SPATIAL DISTRIBUTION OF BUXUS BLIGHT AND ITS RELATION WITH SOME ENVIRONMENTAL FACTORS (CASE STUDY: KHIBOOS ANJILSI PROTECTED AREA). JOURNAL OF WOOD AND FOREST SCIENCE AND TECHNOLOGY[Internet]. 2016;23(SUPPLEMENT 2):147-167. Available from: https://sid.ir/paper/156700/en

IEEE: Copy

R. ESMAILI, J. SOOSANI, SH. SHATAEE JOUYBARI, H. NAGHAVI, and F. POORSHAKORI, “SPATIAL DISTRIBUTION OF BUXUS BLIGHT AND ITS RELATION WITH SOME ENVIRONMENTAL FACTORS (CASE STUDY: KHIBOOS ANJILSI PROTECTED AREA),” JOURNAL OF WOOD AND FOREST SCIENCE AND TECHNOLOGY, vol. 23, no. SUPPLEMENT 2, pp. 147–167, 2016, [Online]. Available: https://sid.ir/paper/156700/en

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