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تعداد نتایج: 245 فیلتر نتایج به سال:
by the scientific community through the Intergovernmental Panel on Climate Change (IPCC) process established by the United Nations Environment Program (UNEP) and the World Meteorological Organization (WMO) has largely settled the discussion about whether an action should be taken to stabilize atmospheric greenhouse gases (GHGs) (Parry et al., 2007). Climate change is now acknowledged as being a...
Title: INDUCIBLE PLANT RESPONSES LINKING ABOVEAND BELOW-GROUND HERBIVORY: ECOLOGICAL SIGNIFICANCE AND UNDERLYING MECHANISMS Ian Kaplan, Doctor of Philosophy, 2007 Directed By: Professor Robert F. Denno, Department of Entomology Aboveand below-ground organisms can indirectly affect one another via several recently-described mechanisms, one such mechanism being herbivore-induced plant responses. ...
Most OECD countries are committed to reducing their emissions of greenhouse gases There is increasing scientific consensus that global warming is under way, linked at least in part to human economic activity. The considerable attention paid to this problem over the past ten years resulted not least from the 1992 United Nations (UN) Framework Convention on Climate Change (UNFCCC). Despite this a...
Electricity production is a challenging issue when it comes to mitigating greenhouse gases (GHG) emissions without risking development goals. Non-renewable energy sources, as fossil fuel burning, account for most of the global energy production (68% in 2007) and are responsible for most of the anthropogenic GHG emissions to the atmosphere (40%, International Panel on Climate Change IPCC, 2007)....
Since the economic reform in Vietnam in 1986, the arts community has had more opportunity to develop, given greater artistic and financial autonomy. In this context it has become necessary for arts leaders to develop management skills to adapt to a new competitive context. This has become more important since the Vietnamese government sought to relieve the problem of inadequate state funding fo...
Emissions of CO2 and CH4 from freshwater reservoirs constitute a globally significant source of atmospheric greenhouse gases (GHGs), but knowledge gaps remain with regard to spatiotemporal drivers of emissions. We document the spatial and seasonal variation in surface diffusion of CO2 and CH4 from Douglas Lake, a hydropower reservoir in Tennessee, USA. Monthly estimates across 13 reservoir site...
The figure on the cover is a modified version of figure 9 in W. Jay Dowling's article. It shows the melody Twinkle, twinkle little Star (squares) together with distractors. Preface On a sunny day in late May 1991, the Music Acoustics Committee of the Royal Swedish Academy of Music arranged a full-day public seminar. The theme was called Mzlsicidn's Tone Glzle and it concerned the phenomenon tha...
Forests play an important role in regulating the global climate by storing carbon that would otherwise be released as CO2 to the atmosphere, and affecting the global energy balance through absorption of solar radiation. Forests are also affected directly by the impact of increased CO2 levels and temperatures on ecosystem processes, and indirectly by human responses seeking to mitigate the net e...
The purpose of the article is to explore little-known areas performing work famous Ukrainian composer Mykola Lysenko — his accompanist and ensemble activities. Research methodology. A system analysis, which combined analytical, culturological, observational methods, was applied. Scientific novelty. research first experience a special analysis Lysenko’s practice as an player in domestic musicolo...
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