Fattahi, Mohammad

Research Institute of Forests and Rangelands, Agricultural Research, Agricultural Research, Education and Extension Organization (AREEO), Tehran, I.R. Iran.

[ 1 ] - بررسی تأثیر شکل زمین و ویژگی های خاک بر صفات رویشی گونه تنگرس(.Fisch. & C. A. Mey Rhamnus pallaii) در منطقه جنگلی کندیرق خلخال با استفاده از روش تجزیه مؤلفه های اصلی

Rhamnus pallasii is one of the most important and valuable species in Khalkhal forest area. This study aimed to determine the relationship between vegetation properties of Rhamnus pallasii with soil and physiographic factors using PCA analysis in this forest reserve. In so doing, from 1030 to 2250 m.a.s.l, 48 sample plots of square shape with an area of 400 m2, in three land forms (ridge, valley …

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