Lonicera nummularifolia Jaub. & Spach is one of the valuable trees and shrubs species that can be observed with oak species in Zagros forests. Regard to the high value of this species from protection, support and medicinal aspect, it can be necessary to perform comp
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Lonicera nummularifolia Jaub. & Spach is one of the valuable trees and shrubs species that can be observed with oak species in Zagros forests. Regard to the high value of this species from protection, support and medicinal aspect, it can be necessary to perform comprehensive study. Therefore, this study was carried out in order to investigate the location, mixture and size of Lonicera nummulariifolia Jaub. & Spach in Zagros to neighboring trees in Parak Area, Khorramabad City. For this purpose, four-hectare plots was performed, L. nummulariifolia trees were identified and the azimuth and distance from four neighboring tree species and crown dimensions of neighbors trees were investigated. In this study, uniform angle index, Mingling mixture index and canopy size index were used to evaluate the diversity of positioning, to determine the mixture and to verify the dimensions of Lonicera, respectively. Based on the results of this study, an average of three uniform angle index, mingling mixture and canopy dimensions were 0.575, 0.940 and 0.590, respectively, which represent a random arrangement of this species to neighbors trees, the large mixture and medium dimensions in compared to other neighbors. Also, based on the distance index to the nearest neighbor, the average distance to the four neighboring tree was calculated equal to 1.99 meters. The results of this study can be used to provide a model to the preservation, restoration and development of Zagros forests which has fragile ecosystems.
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