nitrogen use efficiency of c4 grasses
Advances in Photosynthesis and Respiration Volume 32 C4 Photosynthesis and Related CO2 Concentrating Mec
Ngày tải lên :
15/04/2015, 17:20
... mechanisms for the enhanced nitrogen use efficiency (NUE) and water use efficiency (WUE) of C4 relative to C3 species, and some of the ecological consequences of these differences Of particular note, ... in 1986 from the University of California, Davis under the supervision of Professor Robert W Pearcy His Ph.D dissertation addressed the nitrogen use efficiency of C4 photosynthesis in the ecologically ... WUE – Water use efficiency 3 Introduction This loss of natural grassland habitat threatens many of the native C4 species of the Earth through the destruction of their habitat Some C4 species...
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Climate change as environmental and economic hazard - phần 1.1
Ngày tải lên :
07/10/2012, 15:56
... effect) of climate change and of global warming in particular Indeed, since the Industrial Revolution the mean surface temperature of Earth has increased by an average of 28C with most of this ... (inclusive of G20 recovery talks) and to strengthen the policy of reducing climate change hazards – including the Copenhagen climate negotiations – instead Introduction 169 of using the excuse of the ... alone, or almost 16 per cent of the total amount of these packages China and the USA, the major contributors to greenhouse gas emissions, lead the way in absolute terms of resources to be spent,...
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Climate change as environmental and economic hazard - phần 1.2
Ngày tải lên :
07/10/2012, 15:56
... climate change mitigation (CCM) since its inception, however, because of a perceived sense of greater urgency to slow the pace of emissions in response to Article obligations about avoiding dangerous ... impacts of climate change In recent years, CCA has become a key focus of the scientific and policy-making communities and is now a major area of discussion under the UNFCCC The Seventh Conference of ... stress recent emphasis of working with communities, either by addressing risk aspects of climate change (in the case of DRR) or increasing resilience through CBA (in the case of CCA) (Næss et al.,...
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Climate change as environmental and economic hazard - phần 1.3
Ngày tải lên :
07/10/2012, 15:56
... can indeed be of scientific value However, for purposes of shaping expectations of hurricane behaviour on timescales of one to five years into the future, such studies are of little use if the signals ... because they tend to be active across the areas of science, policy and practice Here, we propose the use of boundary organizations specifically to link CCA and DRR while arguing that a variety of ... the needs and concerns of practitioners on the ground We have discussed two primary mechanisms to catalyse change in the fields of CCA and DRR These include an increased use of iterative risk management...
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Climate change as environmental and economic hazard - phần 1.4
Ngày tải lên :
07/10/2012, 15:57
... forthcoming in the near term Practically useful forecasts of landfall at timescales of one to five years will require the use of variables other than the number of storms in the basin 3.4 El Nino: ... time, even a perfect prediction of the number of landfalling hurricanes leaves a considerable amount of uncertainty about damage, due to the nonlinear impacts of storms of different hurricane intensities, ... has been devoted to developing statistical and dynamic models of hurricane activity with the goal of offering skilful predictions of landfall and thus impact The following section reviews this...
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Climate change as environmental and economic hazard - phần 1.5
Ngày tải lên :
07/10/2012, 15:57
... doubling the estimates of onshore insured losses provided by the Insurance Services Of ce for Louisiana and Texas in the third quarter of 2008 (see Insurance Services Of ce, 2008) See www.aoml.noaa.gov/hrd/hurdat/Data_Storm ... development of robust carbon strategies and increase the likelihood of meeting the ambitious emissions reduction targets it helps to set The legal framework requires the discussion of CCC advice and of ... set of recommendations in October 2008, when it advocated a long-term emissions reduction objective for the UK of 80 per cent, relative to 1990, and the extension of the target to all greenhouse...
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Climate change as environmental and economic hazard - phần 2.1
Ngày tải lên :
07/10/2012, 15:57
... to the burning of fossil fuels, deforestation and other land use changes These rising levels of greenhouse gases result in increases in surface air temperature, because the greenhouse gases in ... climate models (Stern, 2007) Examples are releases of methane due to melting of permafrost and a reduced uptake of carbon as a result of the weakening of natural carbons sinks, such as the Amazon forest3 ... caused by them is to a great extent influenced by human activities A natural disaster is usually defined as the impact of a natural event on human societies, for example, in terms of ˇ loss of...
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Climate change as environmental and economic hazard - phần 2.2
Ngày tải lên :
07/10/2012, 15:57
... such as the location of a flood, flood depth and flow velocities of water, wind speeds, and frequency of occurrence of the hazard The portfolio of properties at risk component of the model can include ... probability of a certain loss being surpassed or geographical maps that show levels of risk (Bouwer et al., 2009; de Moel et al., 2009) Examples of users of catastrophe models are insurers who use them ... and relocation of property out of hazard-prone areas Investments in hazard prevention are usually undertaken by governments because of the public good characteristics of protection of infrastructure...
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Climate change as environmental and economic hazard - phần 2.3
Ngày tải lên :
07/10/2012, 15:57
... vulnerability to disasters caused by climate change, for example, because of soil erosion and landslides resulting from more frequent and severe rains and floods The surface mass balance of the Greenland ... Re, are often the ‘last resort’ carriers of catastrophe risk Potential effects of climate change are likely to be passed on from reinsurance companies to primary insurers in the form of higher ... and mitigation of flood losses in private households in Germany Risk Analysis, 26(2) 383 –395 Timmerman, P., 1981 Vulnerability, Resilience and the Collapse of Society: A Review of Models and Possible...
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Climate change as environmental and economic hazard - phần 2.4
Ngày tải lên :
07/10/2012, 15:57
... grown for grain, 95 per cent of oranges, and 54 per cent of apples In addition it supports 28 per cent of the nation’s cattle herd, 45 per cent of sheep, and 62 per cent of pigs The Basin is home ... in terms of reconfiguration of water management systems, whereas the Opposition was more inclined towards framing the situation in favour of affected communities 3.2 Framing the cause of the event ... into potential political issues Figure illustrates the number of quotes made by each of the actor groups in terms of framing the cause of the event If politicians were sparsely quoted in framing...
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Climate change as environmental and economic hazard - phần 2.5
Ngày tải lên :
07/10/2012, 15:57
... Responsibility framing in a crisis 237 options This is so because media coverage of crises consists of a variety of actors involved in framing the event In the actual case, the scientists ... Wetlands are one of the most important wetlands in Australia The wetland consists of ocean beach, the mouth of the Murray River, lakes and estuaries This combination provides a wide range of habitats ... Journal of Sociology, 98(3) 555 – 596 Goffman, E., 1974 Frame Analysis: An Essay on the Organization of Experience Northeastern University Press, Boston, MA ENVIRONMENTAL HAZARDS 240 Olsson Goffman,...
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Environmental and Social Impacts of Shrimp farming in Tam Giang lagoon, Vietnam-Local perception
Ngày tải lên :
02/11/2012, 10:15
... Position Phu An North of Phu Vang Phu Da Middle of Phu Vang Vinh Ha South of Phu Vang Characteristics and major issues • Existence of resource use conflicts of interest • Most of farms are in tidal ... to the reduction of fishery in lagoon DOFI also clarified that the building of dams in the upstream of rivers has caused reduction of fishery resources and the disappearance of traditional fishery ... the area The research team consisted of a staff from RIA No 1, DOFI and CSSH and officers of People's Committee of the District (PCD) and People's Committee of the Commune (PCC) The fieldwork was...
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Tài liệu NTP-CERHR Monograph on the Potential Human Reproductive and Developmental Effects of Di-Isodecyl Phthalate (DIDP) pdf
Ngày tải lên :
13/02/2014, 10:20
... are a group of similar chemicals widely used to soften and increase the flexibility of plastic consumer products such as shower curtains, medical devices, upholstery, raincoats, and soft squeeze ... Human exposure to DIDP can occur during the manufacture of DIDP, during the manufacture of DIDP-containing products, during the use of Summary of Supporting Evidence As presented in the expert panel ... Clear evidence of no adverse effects development and reproduction These studies reported that exposure of pregnant dams to relatively high doses of DIDP causes abnormal development of the fetal...
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Tài liệu Environmental and Occupational Causes of Cancer doc
Ngày tải lên :
14/02/2014, 21:20
... review of the state of the science regarding environmental and occupational causes of cancer, we conducted a review of the peer-reviewed literature, ENVIRONMENTAL & OCCUPATIONAL CAUSES OF CANCER: ... Identification of carcinogenic agents and primary prevention of cancer, Annals of the New York Academy of Sciences 2006; 1076:1-14 145 Doll R, Peto R The causes of cancer: quantitative estimates of avoidable ... Biliary; Soft tissue sarcoma (angiosarcoma of the liver) Laryngeal Used widely in industry for the production of isopropanol, Lung ethanol; treatment of metals; and the manufacture of soaps,...
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Tài liệu International Workshop on Environmental and Economic Accounting - COMPILATION OF RESOURCES ACCOUNTS (SELECTED CASE STUDIES) pdf
Ngày tải lên :
17/02/2014, 10:20
... 10 4.2.4 Effluent reuse The effluent reuse column shows the volume of water supplied for subsequent reuse The majority of reuse water is supplied by the sewerage component of the water supply; ... excluded as a use of water by this industry because of the highly variable nature of losses across Australia Coefficients of water usage by this industry accounted for staff in their offices and ... type of information collected included volumetric data on the following: • water intake (source and volume); • distribution of supply to various users (volume and type of use and details of major...
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Tài liệu Ethical Issues in Environmental and Occupational Health pptx
Ngày tải lên :
17/02/2014, 10:20
... there is no evidence of environmental causes of cancer because they not investigate possible environmental causes of cancer In general, Walker accuses those (who say cancer is caused mainly by genetics ... the leading cause of death of Americans Moreover cancer is not a disease of old age, as cancer victims die, on average, 15 years earlier than others It is the leading cause of death of children ... Lashoff et al., Health and Life Sciences Division of the U.S Office of Technology Assessment, Assessment of Technologies for Determining Cancer Risks from the Environment, Washington D.C., Office...
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Tài liệu Indoor air pollution in developing countries: a major environmental and public health challenge doc
Ngày tải lên :
17/02/2014, 22:20
... available on the potential of other types of intervention, including the use of cleaner fuels, particularly for poor rural communities A study of patterns of fuel use in households following electrification ... is responsible for over 80% of cases of chronic bronchitis, i.e inflammation of the lining of the bronchial tubes, and for most cases of emphysema (overinflation of the air sacs in the lungs) ... Cataract Pollution attributable to the use of biomass fuel causes eye irritation (17) and may cause cataract In a hospital-based case-control study in Delhi the use of liquefied petroleum gas was associated...
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Tài liệu Car Fleet Renewal Schemes: Environmental and Safety Impacts docx
Ngày tải lên :
19/02/2014, 04:20
... as a consequence of their numbers increasing to the detriment of lighter vehicles The latter saw their emissions decrease because of this shift and partly because their share of the market decreased ... limited, because of the smaller scale of the scheme (e.g in comparison to Germany), the lower expected remaining vehicle kilometres of travel of the scrapped fleet (higher share of very old cars) ... Collecting odometer readings of the retired vehicles would provide some indication of the usefulness of the incentive in scrapping a high-emitting car that is still being used regularly Performing...
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Tài liệu Báo cáo khoa học: Molecular characterization, phylogenetic relationships, and developmental expression patterns of prion genes in zebrafish (Danio rerio) doc
Ngày tải lên :
19/02/2014, 16:20
... Transcripts of this gene and PrPC are present in a large variety of adult peripheral tissues [18–20] In contrast, there is a paucity of data on the spatiotemporal expression of prion proteins and that of ... signal was detected by dpf in enterocytes of the posterior part of the intestine (Fig 5M,Q,R) This last finding should be of interest because in terms of function, the fish intestine is highly regionalized ... importance of the intestinal barrier in the process of oral prion infection, this finding might help clarify the entry and routing of PrPSc in the early steps of infection Our observations of a prp2...
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