نتایج جستجو برای: agropastoral systems
تعداد نتایج: 1183457 فیلتر نتایج به سال:
Although geneticists have extensively debated the mode by which agriculture diffused from the Near East to Europe, they have not directly examined similar agropastoral diffusions in Africa. It is unclear, for example, whether early instances of sheep, cows, pottery, and other traits of the pastoralist package were transmitted to southern Africa by demic or cultural diffusion. Here, we report a ...
در این پایان نامه، کنترل نرو-فازی در پرنده هدایت پذیر از دور (پهپاد) استفاده شده است ابتدا در روش پیشنهادی اول، کنترل کننده نرو-فازی توسط مجموعه اطلاعات یک کنترل کننده pid به صورت off-line آموزش دیده است و در روش دوم یک کنترل کننده نرو-فازی on-line مبتنی بر شناسایی سیستم توسط شبکه عصبی rbf پیشنهاد شده است. سپس کاربرد این کنترل کننده در پهپاد بررسی شده است و مقایسه ای ما بین کنترل کننده های معمو...
This paper aims to map the ecosystem services (ES) provided by a reputed agropastoral in south of Albania and ascertain whether social capital affects level importance attributed them. A perception analysis both buyers sellers ES within pastoral is undertaken. The mainly evaluated for cultural such as tradition, enhancing area’s image, environment ES. strong inclination towards socioeconomic in...
Island environments present challenges to human colonization, but we have a poor understanding of how environmental difference drives heterogeneous patterns insular settlement. In this paper, assess which and geographic variables positively or negatively affect the long-term sustainability settlement on islands. Using postglacial Mediterranean basin as case study, impact area, isolation index, ...
the application of e-learning systems - as one of the solutions to the issue of anywhere and anytime learning – is increasingly spreading in the area of education. content management - one of the most important parts of any e-learning system- is in the concern of tutors and teachers through which they can obtain means and paths to achieve the goals of the course and learning objectives. e-learn...
Was the spread of agropastoralism from the Eurasian founder regions dominated by demic or by cultural diffusion? This study employs a mathematical model of regional sociocultural development that includes different diffusion processes, local innovation and societal adaptation. Simulations hindcast the emergence and expansion of agropastoral life style in 294 regions of Eurasia and North Africa....
The environment and biodiversity of the Huascarán Biosphere Reserve (HBR) are threatened according to many in the region’s conservation community. This chapter explores how social, political, and economic changes in the region have affected agropastoral land uses and indigenous institutions for managing them. Here, I examine the extent to which the region’s policies of “conservation with develo...
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