نتایج جستجو برای: hyrcanian area
تعداد نتایج: 584356 فیلتر نتایج به سال:
Taxus baccata L. is a native and ancient tree species growing the Hyrcanian forests that have been considered in recent years because of being in the red lists of threated species. The aim of this research was to provide quantitative characteristics of forest stand structure using a set of indicators in the natural habitat of this species. Three one-hectare sampling area were selected to ...
Structural diversity is recognized as a complementary aspect of biological and plays fundamental role in forest management, conservation, restoration. Hence, the assessment structural has become major effort primary international processes, dealing with biodiversity sustainable management. Because prohibitive costs associated ground measurements structure, despite their high accuracy, space-bor...
Hyrcanian forests are one of the most valuable forests in the world, dating from about 25 to 50 million years old. Climate variation, unique plant and animal species accompany with habitat diversity have made these forests one of the most unique ecosystems on Earth and worthy of being listed on the UNESCOchr('39')s World Heritage List. Therefore, the main purpose of this study is to use both De...
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