نتایج جستجو برای: plant geography
تعداد نتایج: 413757 فیلتر نتایج به سال:
چکیده ندارد.
During the recent decades the geography discipline has lost its priority and position to some degree in Iran. Most of the graduates could not enter into the work in the universities and other private organizations. The human-environment system, the main area of geographical specialty has experienced many crises and hazards among which the global warming and climate change being the most destruc...
Department of Geography and Program in Planning, University of Toronto, Toronto, ON, Canada, Faculty of Land and Food Systems, University of British Columbia, Vancouver, BC, Canada, Natural Resources Canada, Canadian Forest Service, Edmonton, AB, Canada, Natural Resources Canada, Canadian Forest Service-Pacific Forestry Centre, Victoria, BC, Canada, Department of Atmospheric and Oceanic Science...
B. Ramezani Gourab1 and P.Foroughe2 1-Dept. of Physical Geography, Islamic Azad University, Rasht Branch, Iran. 2- Dept. of Geography and Tourism Planning, USM, Malaysia. * Corresponding author?s E-mail: [email protected]
b. ramezani gourab1 and p.foroughe2 1-dept. of physical geography, islamic azad university, rasht branch, iran. 2- dept. of geography and tourism planning, usm, malaysia. * corresponding author?s e-mail: [email protected]
After demonstrating Ottoman Empire and attempt of Turkish emperors in order to gain caliphate and government of all Muslims, World’s political geography witnessed the demonstration of great Ottoman Empire for six months. The formation of Ottoman Empire, on one hand, was converted to the main axis of the political geography of the region, and started competing with other political power district...
The use of local knowledge in and for development is a relatively recent phenomenon, entering the realm of development theory and practice from the mid 1970s, yet it has become a key part of the rhetoric and practice of development agencies and academic research. The conceptual and historical background to local knowledge in development, including its roots of ‘Western’ engagement with ‘other’ ...
Qs Sand Wind-blown sand blankets a number of areas in the western part of the quadrangle. These well-sorted, mediumto fine-grained quartzose sands are commonly deposited on the east to northeast sides of hills but may extend across some flat areas. The sands are uncemented and loose but most are well stabilized by vegetation, locally including trees. The sands are usually white to tan but local...
• With growing concerns over serious ecological problems, a particular challenge is to reveal the complex mechanisms underlying rapid expansion of invasive species. Ageratina adenophora is of particular interest in addressing this question. • We used geographic information systems and logistic regression to identify the geographic and environmental factors contributing to the presence of A. ade...
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