نتایج جستجو برای: and increasing urbanization
تعداد نتایج: 16846470 فیلتر نتایج به سال:
Iran is among the world’s arid and semi-arid regions and its demand for water has been increased due topopulation growth, urbanization and the development the economic sectors (industrial and agricultural). Inmany of these regions, the lack of planning and the unauthorized use of resources have led to excessiveexploitation and a lower level of groundwater. The usable groundwater for the country...
Following the global trend of economic and social change, urbanization has been increasing. The trend that has dominated in recent decades in developing countries is the outshining of growth over development which has challenged the maintaining and improving the city residents’ quality of life. One of the most recent topics in the theory of urbanism in response to the decline of urban life h...
As the pace and extent of urbanization increase, an understanding of the mechanisms that shape wildlife communities in cities will be essential to their effective management. Predation could be an important determinant of the structure of these communities, but the research to date suggests a predation paradox: Vertebrate predator numbers increase with urbanization, whereas predation rates decl...
Increasing urbanization has important consequences for wildlife, including the potential for higher prevalence of diseases within "urban adapter" species exposed to spillover from domestic animals. We investigated whether prevalence of antibodies to Toxoplasma gondii in woodchucks (Marmota monax) was related to urbanization in a Midwestern landscape. We collected serum samples from adult woodch...
which consists of an increasing sequence of m decreasing sequences, each of length n/m. The longest increasing subsequence has length m but but the only way for the sample to imply that the input is not sorted is if two chosen elements land in the same decreasing sequence. The probability that this happens is at most ( s 2 ) /m ≤ s/(2m) which is o(1) if s is o( √ m). In particular, for ε = 1/2 ...
To assess differences in exposure to air pollution from traffic in relation to degree of urbanization and traffic density, we measured personal and home outdoor nitrogen dioxide (NO(2)) concentrations for 241 children from six different primary schools in the Netherlands. Three schools were situated in areas with varying degrees of urbanization (very urban, fairly urban, and nonurban) and three...
China has recently undergone rapid social and economic change. Increases in urbanization have led to equally rapid shifts toward more sedentary occupations through the acquisition of new technology and transitions away from a mostly agricultural economy. Our purpose was to utilize a detailed measure of urbanicity comprising 10 dimensions of urban services and infrastructure to examine its effec...
Land-use intensification and resulting habitat loss are put forward as the main causes of flower visitor decline. However, the impact of urbanization, the prime driver of land-use intensification in Europe, is poorly studied. In particular, our understanding of whether and how it affects the composition and functioning of flower visitor assemblages is scant, yet required to cope with increasing...
BACKGROUND Coronary Heart Disease (CHD) and other Non Communicable Diseases (NCDs) are increasing globally. Comparison of various sections of the South Asian populations living at different levels of urbanization can help in understanding the role of demographic transition in the increased prevalence of these diseases in urbanized populations. OBJECTIVE To compare the prevalence of certain CH...
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