Search Results - "C.D. Evans"

Critical review of the impacts of grazing intensity on soil organic carbon storage and other soil quality indicators in extensively managed grasslands by Abdalla, M., Hastings, A., Chadwick, D.R., Jones, D.L., Evans, C.D., Jones, M.B., Rees, R.M., Smith, P.

“…•The impact of grazing on SOC is climate-dependent.•Grazing increases SOC for C4 but decreases it for C3 and C3-C4 mixed grasslands.•Grazing increases TN and…”
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Long-term increases in surface water dissolved organic carbon: Observations, possible causes and environmental impacts by Evans, C.D., Monteith, D.T., Cooper, D.M.

“…Dissolved organic carbon (DOC) concentrations in 22 UK upland waters have increased by an average of 91% during the last 15 years. Increases have also occurred…”
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The importance of the relationship between scale and process in understanding long-term DOC dynamics by Clark, J.M., Bottrell, S.H., Evans, C.D., Monteith, D.T., Bartlett, R., Rose, R., Newton, R.J., Chapman, P.J.

“…Concentrations of dissolved organic carbon have increased in many, but not all, surface waters across acid impacted areas of Europe and North America over the…”
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Plant functional type affects nitrogen use efficiency in high-Arctic tundra by Oulehle, F., Rowe, E.C., Myška, O., Chuman, T., Evans, C.D.

“…To unravel the potential effects of climate warming on soil N availability in a high Arctic tundra ecosystem we studied temperature effects on soil…”
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Modelling impacts of atmospheric deposition and temperature on long-term DOC trends by Sawicka, K., Rowe, E.C., Evans, C.D., Monteith, D.T., E.I.Vanguelova, Wade, A.J., J.M.Clark

“…It is increasingly recognised that widespread and substantial increases in Dissolved organic carbon (DOC) concentrations in remote surface, and soil, waters in…”
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Carbon sequestration and biogeochemical cycling in a saltmarsh subject to coastal managed realignment by Burden, A., Garbutt, R.A., Evans, C.D., Jones, D.L., Cooper, D.M.

“…Globally, wetlands provide the largest terrestrial carbon (C) store, and restoration of degraded wetlands provides a potentially important mechanism for…”
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Metrics for evaluating the ecological benefits of decreased nitrogen deposition by Rowe, E.C., Jones, L., Dise, N.B., Evans, C.D., Mills, G., Hall, J., Stevens, C.J., Mitchell, R.J., Field, C., Caporn, S.J.M., Helliwell, R.C., Britton, A.J., Sutton, M.A., Payne, R.J., Vieno, M., Dore, A.J., Emmett, B.A.

“…Atmospheric pollution by reactive nitrogen (N) can have profound effects on ecosystem functioning and biodiversity. Numerous mechanisms are involved, and…”
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Modelling soil nitrogen: The MAGIC model with nitrogen retention linked to carbon turnover using decomposer dynamics by Oulehle, F., Cosby, B.J., Wright, R.F., Hruška, J., Kopáček, J., Krám, P., Evans, C.D., Moldan, F.

“…We present a new formulation of the acidification model MAGIC that uses decomposer dynamics to link nitrogen (N) cycling to carbon (C) turnover in soils. The…”
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N14C: A plant–soil nitrogen and carbon cycling model to simulate terrestrial ecosystem responses to atmospheric nitrogen deposition by Tipping, E., Rowe, E.C., Evans, C.D., Mills, R.T.E., Emmett, B.A., Chaplow, J.S., Hall, J.R.

“…► N14C is a new model linking soil–plant carbon and nitrogen cycles. ► Its main purpose is to simulate the effects of anthropogenic N deposition. ► N14C has…”
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Nitrate leaching as a confounding factor in chemical recovery from acidification in UK upland waters by Curtis, C.J., Evans, C.D., Helliwell, R.C., Monteith, D.T.

“…Over the period 1988–2002, data from 18 of the 22 lakes and streams in the UK Acid Waters Monitoring Network (AWMN) show clear trends of declining excess…”
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Prise en charge non chirurgicale de l’hémorragie majeure by Callum, Jeannie, Evans, Christopher C.D., Barkun, Alan, Karkouti, Keyvan

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Resilience of upland soils to long term environmental changes by McGovern, S.T., Evans, C.D., Dennis, P., Walmsley, C.A., Turner, A., McDonald, M.A.

“…The effect of long-term changes in land-use, pollution deposition and climate change on upland soils was evaluated by resurveying a large set of sites in a…”
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Nonsurgical management of major hemorrhage by Callum, Jeannie, Evans, Christopher C D, Barkun, Alan, Karkouti, Keyvan

“…Major hemorrhage is life-threatening and can occur in a variety of clinical settings. For the purpose of this review, we defined major hemorrhage as…”
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Trends in surface water chemistry of acidified UK Freshwaters, 1988–2002 by Davies, J.J.L., Jenkins, A., Monteith, D.T., Evans, C.D., Cooper, D.M.

“…Analysis of water chemistry data from 15 years of monitoring at 22 acid-sensitive lakes and streams in the UK reveals coherent national chemical trends…”
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Modelling nitrogen saturation and carbon accumulation in heathland soils under elevated nitrogen deposition by Evans, C.D., Caporn, S.J.M., Carroll, J.A., Pilkington, M.G., Wilson, D.B., Ray, N., Cresswell, N.

“…A simple model of nitrogen (N) saturation, based on an extension of the biogeochemical model MAGIC, has been tested at two long-running heathland N…”
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Groundwater nitrogen composition and transformation within a moorland catchment, mid-Wales by Lapworth, D.J., Shand, P., Abesser, C., Darling, W.G., Haria, A.H., Evans, C.D., Reynolds, B.

“…The importance of upland groundwater systems in providing a medium for nitrogen transformations and processes along flow paths is investigated within the Afon…”
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Prise en charge non chirurgicale de l'hemorragie majeure by Callum, Jeannie, Evans, Christopher C.D, Barkun, Alan, Karkouti, Keyvan

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Mental health outcomes after major trauma in Ontario: a population-based analysis by Evans, Christopher C.D., MD MSc, DeWit, Yvonne, MSc, Seitz, Dallas, MD PhD, Mason, Stephanie, MD PhD, Nathens, Avery, MD PhD, Hall, Stephen, MD

“…ABSTRACT BACKGROUND Major injury continues to be a common source of morbidity and mortality; improving the functional recovery of survivors of major trauma…”
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Balancing macronutrient stoichiometry to alleviate eutrophication by Stutter, M.I., Graeber, D., Evans, C.D., Wade, A.J., Withers, P.J.A.

“…Reactive nitrogen (N) and phosphorus (P) inputs to surface waters modify aquatic environments, affect public health and recreation. Source controls dominate…”
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Overriding water table control on managed peatland greenhouse gas emissions by Evans, C. D., Peacock, M., Baird, A. J., Artz, R. R. E., Burden, A., Callaghan, N., Chapman, P. J., Cooper, H. M., Coyle, M., Craig, E., Cumming, A., Dixon, S., Gauci, V., Grayson, R. P., Helfter, C., Heppell, C. M., Holden, J., Jones, D. L., Kaduk, J., Levy, P., Matthews, R., McNamara, N. P., Misselbrook, T., Oakley, S., Page, S. E., Rayment, M., Ridley, L. M., Stanley, K. M., Williamson, J. L., Worrall, F., Morrison, R.

“…Global peatlands store more carbon than is naturally present in the atmosphere 1 , 2 . However, many peatlands are under pressure from drainage-based…”
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