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Greater Input (greater + input)
Selected AbstractsElevated atmospheric CO2 effects on biomass production and soil carbon in conventional and conservation cropping systemsGLOBAL CHANGE BIOLOGY, Issue 4 2005Stephen A. Prior Abstract Increasing atmospheric CO2 concentration has led to concerns about potential effects on production agriculture as well as agriculture's role in sequestering C. In the fall of 1997, a study was initiated to compare the response of two crop management systems (conventional and conservation) to elevated CO2. The study used a split-plot design replicated three times with two management systems as main plots and two CO2 levels (ambient=375 ,L L,1 and elevated CO2=683 ,L L,1) as split-plots using open-top chambers on a Decatur silt loam (clayey, kaolinitic, thermic Rhodic Paleudults). The conventional system was a grain sorghum (Sorghum bicolor (L.) Moench.) and soybean (Glycine max (L.) Merr.) rotation with winter fallow and spring tillage practices. In the conservation system, sorghum and soybean were rotated and three cover crops were used (crimson clover (Trifolium incarnatum L.), sunn hemp (Crotalaria juncea L.), and wheat (Triticum aestivum L.)) under no-tillage practices. The effect of management on soil C and biomass responses over two cropping cycles (4 years) were evaluated. In the conservation system, cover crop residue (clover, sunn hemp, and wheat) was increased by elevated CO2, but CO2 effects on weed residue were variable in the conventional system. Elevated CO2 had a greater effect on increasing soybean residue as compared with sorghum, and grain yield increases were greater for soybean followed by wheat and sorghum. Differences in sorghum and soybean residue production within the different management systems were small and variable. Cumulative residue inputs were increased by elevated CO2 and conservation management. Greater inputs resulted in a substantial increase in soil C concentration at the 0,5 cm depth increment in the conservation system under CO2 -enriched conditions. Smaller shifts in soil C were noted at greater depths (5,10 and 15,30 cm) because of management or CO2 level. Results suggest that with conservation management in an elevated CO2 environment, greater residue amounts could increase soil C storage as well as increase ground cover. [source] Realising a resilient and sustainable built environment: towards a strategic agenda for the United KingdomDISASTERS, Issue 3 2007Lee Bosher Recent natural and human-induced emergencies have highlighted the vulnerability of the built environment. Although most emergency events are not entirely unexpected, and the effects can be mitigated, emergency managers in the United Kingdom have not played a sufficiently proactive role in the mitigation of such events. If a resilient and sustainable built environment is to be achieved, emergency management should be more proactive and receive greater input from the stakeholders responsible for the planning, design, construction and operation of the built environment. This paper highlights the need for emergency management to take a more systematic approach to hazard mitigation by integrating more with professions from the construction sector. In particular, design changes may have to be considered, critical infrastructures must be protected, planning policies should be reviewed, and resilient and sustainable agendas adopted by all stakeholders. [source] Does an acute care surgical model improve the management and outcome of acute cholecystitis?ANZ JOURNAL OF SURGERY, Issue 6 2010Christopher W. Lehane Abstract The aim of this study was to compare the management and outcome of acute cholecystitis in an acute care surgery (ACS) model to that of the traditional home-call attending surgeon. The ACS model is one in which a consultant led team manage all emergency surgical presentations. The consultant is involved with every decision made including theatre allocation. Records of all patients who underwent an emergency cholecystectomy in the 2 years before and after introduction of an ACS model were reviewed. A total of 202 patients were recruited into this study. The groups were matched for sex, age and insurance status. There was a decrease in the median time to theatre (1 versus 2 days) and total length of stay (4 versus 6 days) in the ACS group. There was no significant difference in the conversion rate between the groups. However, there was a decreased complication rate in the ACS group (8.7 versus 17.2%). There were no differences in the histological findings. Consultant presence in theatre was higher in the ACS group (73.9 versus 56.3%), and they were more often assisting (30.4 versus 4.6%). Results suggest that an ACS model is beneficial to patient care with shorter hospital stay and a decreased complication rate. This may reflects a greater input to patient assessment and management by the on-site consultant. In addition, the ACS model provides greater consultant supervision to the trainee. [source] The well-being of gays, lesbians and bisexuals in BotswanaJOURNAL OF ADVANCED NURSING, Issue 6 2001V.J. Ehlers BA BSSc MA DLitt RGN RM The well-being of gays, lesbians and bisexuals in Botswana Aims.,To investigate the level of well-being of gays, lesbians and bisexuals (GLBs) in Botswana, how this level of well-being could be promoted and whether their health care needs were met by health care professionals. Rationale.,It is illegal to engage in same-sex activities in Botswana, punishable by imprisonment. Although Botswana's citizens have one of Africa's best health care systems, little is known about the health status, health care needs and general well-being of Botswana's GLBs. This survey attempted to uncover some of these potential health care needs, impacting on the GLBs' well-being. Design/methods.,The research framework adopted was the health and human rights approach, placing dignity before rights. A survey design, with structured questionnaires, was used. Snow-ball sampling techniques were used. Results.,Results indicated that varying degrees of distress were experienced by 64% of the GLBs in this study. The GLBs identified a need for human immunodeficiency virus/acquired immunodeficiency syndrome (HIV/AIDS) education and had concerns about their general health, discrimination against them and vulnerability to violence including sexual assaults. Conclusions.,The well-being of the GLBs in Botswana was influenced by both positive internal acceptance of their sexual orientation and negative external acceptance by society. Health care professionals played insignificant roles in the promotion of GLBs' well-being, and could make greater inputs into health education efforts, and more significant contributions towards enhancing the GLBs' levels of well-being. Enhanced collaboration between health professionals and human rights activists are recommended to reduce violations of Botswana's GLBs' dignity and to improve their quality of life, including enhanced access to and utilization of health care services. [source] | ||||||||||