RELATION BETWEEN DIEBACK OF QUERCUS BRANTII LINDL. TREES WITH ECOLOGICAL AND SYLVICULTURAL FACTORS, (STUDY AREA: DENA PROTECTED AREA)

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AMIR AHMADI BAHMAN; ZOLFAGHARI ROGHAYEH; MIRZAEI MOHAMMAD REZA

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Journal: ECOLOGY OF IRANIAN FOREST Year:2016 | Volume:3 | Issue:6 Page(s): 19-27

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Title

RELATION BETWEEN DIEBACK OF QUERCUS BRANTII LINDL. TREES WITH ECOLOGICAL AND SYLVICULTURAL FACTORS, (STUDY AREA: DENA PROTECTED AREA)

Author(s)

AMIR AHMADI BAHMAN | ZOLFAGHARI ROGHAYEH | MIRZAEI MOHAMMAD REZA | Issue Writer Certificate

Keywords

AMOUNT OF COPPICE SHOOTQ2

DECLINEQ1

KOHGILOUYE AND BOYERAHMADQ2

SLOPEQ2

SOIL CHARACTERISTICSQ2

Abstract

In recent years, fundamental changes in the ecosystems of Zagros forest structure have occurred, including the DECLINE of brant’s oak (Quercus bratii Lindl.) that is main species in this region. So this research intends to study trees DECLINE in relation to sylviculture, topography, and SOIL CHARACTERISTICS. For this purpose, first, parts of forest that showed oak DECLINE were identified by field survey and three plots were selected in every land form (elevation, SLOPE, geographic directions and different land forms).23 plots were totally selected in Dena area. In each plot physiographic variables, sylviculture parameters were recorded and then soil samples were collected for soil physicochemical experiments. Trees were categorized in three classes including low (0-15%), medium (15-30%) and high DECLINE (>30%). Results of topography showed that high SLOPEs and south directions had more DECLINE, but soil factors showed no significant correlation with DECLINE. The sylviculture results showed that low and medium diameter classes, the greater canopy area and the lower height of trees were more DECLINEd. In the other side, correlation results showed positive significant relationship between coppices shoot and DECLINE percentage. In fact, trees in the form of coppice had the most DECLINEs. In general, it can be said that topography and forestry factors in the studied area are among the important factors affecting distribution of oak trees DECLINE and situation and amount of dieback especially for small and coppice trees.

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APA: Copy

AMIR AHMADI, BAHMAN, ZOLFAGHARI, ROGHAYEH, & MIRZAEI, MOHAMMAD REZA. (2016). RELATION BETWEEN DIEBACK OF QUERCUS BRANTII LINDL. TREES WITH ECOLOGICAL AND SYLVICULTURAL FACTORS, (STUDY AREA: DENA PROTECTED AREA). ECOLOGY OF IRANIAN FOREST, 3(6 ), 19-27. SID. https://sid.ir/paper/263060/en

Vancouver: Copy

AMIR AHMADI BAHMAN, ZOLFAGHARI ROGHAYEH, MIRZAEI MOHAMMAD REZA. RELATION BETWEEN DIEBACK OF QUERCUS BRANTII LINDL. TREES WITH ECOLOGICAL AND SYLVICULTURAL FACTORS, (STUDY AREA: DENA PROTECTED AREA). ECOLOGY OF IRANIAN FOREST[Internet]. 2016;3(6 ):19-27. Available from: https://sid.ir/paper/263060/en

IEEE: Copy

BAHMAN AMIR AHMADI, ROGHAYEH ZOLFAGHARI, and MOHAMMAD REZA MIRZAEI, “RELATION BETWEEN DIEBACK OF QUERCUS BRANTII LINDL. TREES WITH ECOLOGICAL AND SYLVICULTURAL FACTORS, (STUDY AREA: DENA PROTECTED AREA),” ECOLOGY OF IRANIAN FOREST, vol. 3, no. 6 , pp. 19–27, 2016, [Online]. Available: https://sid.ir/paper/263060/en

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