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Bojar, W. |
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Title |
Short information on progress in MACSUR |
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Report |
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2014 |
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Format UTP |
Abbreviated Journal |
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68 C6 - |
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63 |
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TradeM |
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MA @ admin @ |
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2075 |
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Barbier-Brygoo, H.; Chilliard, Y.; Durand, J.-L.; Elmayan, T.; Goldringer, I.; Porter, J.R. |
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Title |
Rapport du groupe de traveil sur la Propriétè Intellectuelle dans le végétal, du conseil scientifique nationale de l’INRA |
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Report |
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2014 |
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Rapport de L’INRA Conseil Scientifique |
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43 |
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CropM |
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Paris, France |
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MA @ admin @ |
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2074 |
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Author |
Hutchings, N.; Kipling, R. |
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Title |
Inventory of farm-scale models within LiveM |
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Report |
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Year |
2014 |
Publication |
FACCE MACSUR Reports |
Abbreviated Journal |
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3 |
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Pages |
D-L3.1 |
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LiveM; |
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The aim of WP3 is to improve the assessment of the impact of climate change on livestock and grassland systems at the farm-scale. The first step in this process is to understand the current state of the art in farm-scale modelling, and the resources available within the MACSUR knowledge hub. Here, an inventory of the farm-scale models available within LiveM is presented, along with a summary of the types of model represented. Thirteen farm-scale models were identified, three of which focus on environmental aspects of farm systems (GHG emissions etc.) and ten of which focus on management strategies (productivity, economics etc.). |
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MA @ admin @ |
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2064 |
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Refsgaard, J.C.; Madsen, H.; Andréassian, V.; Arnbjerg-Nielsen, K.; Davidson, T.A.; Drews, M.; Hamilton, D.P.; Jeppesen, E.; Kjellström, E.; Olesen, J.E.; Sonnenborg, T.O.; Trolle, D.; Willems, P.; Christensen, J.H. |
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Title |
A framework for testing the ability of models to project climate change and its impacts |
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Journal Article |
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2014 |
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Climatic Change |
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Clim. Change |
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122 |
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1-2 |
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271-282 |
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simulation-models; shallow lakes; predictions; calibration; ensembles; terminology; uncertainty; temperature; adaptation; validation |
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Models used for climate change impact projections are typically not tested for simulation beyond current climate conditions. Since we have no data truly reflecting future conditions, a key challenge in this respect is to rigorously test models using proxies of future conditions. This paper presents a validation framework and guiding principles applicable across earth science disciplines for testing the capability of models to project future climate change and its impacts. Model test schemes comprising split-sample tests, differential split-sample tests and proxy site tests are discussed in relation to their application for projections by use of single models, ensemble modelling and space-time-substitution and in relation to use of different data from historical time series, paleo data and controlled experiments. We recommend that differential-split sample tests should be performed with best available proxy data in order to build further confidence in model projections. |
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0165-0009 1573-1480 |
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CropM |
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MA @ admin @ |
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4688 |
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Shrestha, S.; Hennessy, T.; Abdalla, M.; Forristal, D.; Jones, M.J. |
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Title |
Determining short term responses of Irish dairy farms under climate change |
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Journal Article |
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Year |
2014 |
Publication |
German Journal of Agricultural Economics |
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German Journal of Agricultural Economics |
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63 |
Issue |
3 |
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143-155 |
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This study aimed to determine short term farm responses of Irish dairy farms under climate change. The Irish National Farm Survey data and Irish weather data were the main datasets used in this study. A set of simulation models were used to determine grass yields and field time under a baseline scenario and a future climate scenario. An optimising farm level model which maximises farm net income under limiting farm resources was then run under these scenarios. Changes in farm net incomes under the climate change scenario compared to the baseline scenario were taken as a measure to determine the effect of climate change on farms. Any changes in farm activities under the climate run compared to the baseline run were considered as farm’s responses to maximise farm profits. The results showed that there was a substantial increase in yields of grass (49% to 56%) in all regions. The impact of climate change on farms was different based on the regions. Dairy farms in the Border, Midlands and South East regions suffered whereas dairy farms in other regions generally fared better under the climate change scenario. For a majority of farms, a substitution of concentrate feed with grass based feeds and increasing stocking rate were identified as the most common farm responses. However, farms replaced concentrate feed at varying degree. Dairy farms in the Mid East showed a move towards beef production system where medium dairy farms in the South East regions shifted entire tillage land to grass land. Farms in the South East region also kept animals on grass longer under the climate change scenario compared to the baseline scenario. |
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TradeM |
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MA @ admin @ |
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4672 |
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