Depletion of Oak (Quercus spp.) Forests in the Western Himalaya: Grazing, Fuelwood and Fodder Collection
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منابع مشابه
Some species of fungi associated with declined Persian oak trees in Ilam province with emphasis on new records to mycobiota of Iran
Zagros vegetation zone is one of the most important forest regions in Iran, which consists of a diverse group of arboreal species, especially oaks (Quercus spp.). Ilam province located in west of Iran and in Zagros vegetation zone which has 641000 ha of oak forests that its dominant species is Persian oak (Q. brantii). Oak trees decline is a complicated phenomenon that may result from different...
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Zagros forests are one of the important natural ecosystems in Iran with high plant diversity and variety of plant communities. In recent decades, fire events have frequently occurred in some of these ecosystems. The purpose of this research is to investigate the composition and diversity of herbaceous species after nine years of fire occurrence in the forests of Zagros in western Iran. For this...
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Acorn production plays a fundamental role in the organization and dynamics of oak forest ecosystems. Regarding acorn importance, visual survey methods have been used to estimate acorn production of oak species throughout the world. In this study, the mast indices of Brant`s oak (Quercus brantii Lindl.) were determined in a section of northern Zagros forests, almost 36 ha area, near Baneh, Kurdi...
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Chestnut-leaved oak (Quercus castaneifolia C. A. Mey) is one of the most important native oaks of Iran distributed in the Hyrcanian Forests. The pure and mixed stands of it cover about 6.5% of these forests. The species represents morphological variations which have resulted in the description of several infraspecific taxa by different authors. Eight taxa were recognized as subspecies and varie...
متن کاملSudden oak death: endangering California and Oregon forest ecosystems
had major impacts on forest ecosystems around the world. Classic examples include chestnut blight in North America, caused by Cryphonectria parasitica, and jarrah dieback in western Australia, caused by Phytophthora cinnamomi (Anagnostakis 1987; Weste and Marks 1987). Some exotic diseases, such as chestnut blight and white pine blister rust, have severely impacted populations of a single plant ...
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تاریخ انتشار 2017