نتایج جستجو برای: and habitat destruction by farmers

تعداد نتایج: 17786228  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تبریز - دانشکده کشاورزی 1394

with the increasing population and the need for more food, as well as with the development of science and technology, human approach to unnatural and often chemical inputs to increase agricultural production has been a great expansion and problems such as increased cancers, chronic diseases has created environmental pollution. implementation of organic organic is a solution to these problems . ...

پایان نامه :0 1375

investigation the archetype of mother can help the reader to understand poes works, especially his fiction, better, if not fully. motivated by internal and external drives to get into the universe in its manifold form poe was impelled to art and, from various modes of art, to symbolism. how much was poe successful to produce works of art has been a matter of dispute among critics. however, ther...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه هنر اصفهان - دانشکده معماری و شهرسازی 1389

reserches show that relationship between human and residential places is based upo both emotional and identity structures. in other words, habitat place is not only the creator of a part of humanistic identity but also form a kind of sentimental and emotional bond that may result in tendency to maintain closeness to a specific place. therefor, formaton of emotional and identity relationship wit...

Journal: :محیط شناسی 0
سید امین نجات کارشناس ارشد حقوق محیط زیست، دانشگاه آزاد اسلامی، واحد علوم تحقیقات تهران فرهاد دبیری استادیار و مدیرگروه حقوق محیط زیست، دانشگاه آزاد اسلامی، واحد علوم تحقیقات تهران

in areas protected by the current rules are that it can be a special legal regime of the named areas, but these rules apply and a special legal regime to prevent law enforcement will be more general, but it also confirms the fact that the general rules in the areas of special rules that only apply in these areas is about legal regime make up. state eligibility rules related to the epa, hunting ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه سمنان - دانشکده علوم انسانی 1393

colonialism is an important factor in cultural production and many of cultural constructs all over the world. english and english language teaching are at the center of the contemporary world. postcolonial literature, the genre achebe exercised, is a kind of historical text which has become central to different debates and criticisms. in this thesis, different elements related to the colonial...

Journal: :international journal of horticultural science and technology 2015
homayoun farahmand farzad nazari

ornamental geophytes (ornamental flower bulbs) are international and national heritage considering their contribution to people's life quality around the world. iranian habitats support about 8000 species of flowering plants (belonging to 167 families and 100 genera) of which almost 1700 are endemic. iran is a rich country in terms of distribution of bulbous plants. more than 200 species of bul...

1996
Brock S. Allen Richard G. Otto Bob Hoffman

We live in an era when everyday activities are shaped by environments that are not only artificial—almost half of humanity lives in cities—but also mediated. Emotional and cognitive activities in all levels and segments of society are increasingly vested in information-rich venues supported by television, radio, telephone, and computer networks. Even in very remote areas, hunters and farmers wa...

ژورنال: اکوبیولوژی تالاب 2019
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Climate change and human activities have increased negative pressure on natural ecosystems. Wetlands are such ecosystems that widely affected by these negative changes. Birds as a part of wildlife in a wetland have damaged by destruction of wetlands, so, a large group of them, are at risk of extinction. Habitat destruction in wetlands in arid and semi-arid areas has more negative effects on the...

2011
William F. Laurance

Humankind has dramatically transformed much of the Earth’s surface and its natural ecosystems. This process is not new—it has been ongoing for millennia—but it has accelerated sharply over the last two centuries, and especially in the last several decades. Today, the loss and degradation of natural habitats can be likened to a war of attrition. Many natural ecosystems are being progressively ra...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه یزد - دانشکده جغرافیا 1392

the west of esfahan province, iran, is one of the most important agricultural areas throughout the country due to the climate variability and life-giving water of zayanderood river. rice is one of the major and economic crops in this area. the most important climatic elements in agricultural activities which should be considered include temperature, relative humidity, precipitation and wind. so...

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