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Author |
Dáder, B.; Fereres, A.; Moreno, A. |
Title |
Effects of UV radiation on pests and plant pathogens. Keynote lecture |
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2014 |
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Conference Horticultural Stakeholders UV4Growth COST-Action FA0906. Odense, Denmark., 2014-03-09 to 2014-03-11 |
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MA @ admin @ |
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2375 |
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Author |
Dáder, B.; Moreno, A.; Fereres, A. |
Title |
Impact of UV-A radiation on the performance of aphids and whiteflies and on the leaf chemistry of their host plants |
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Conference Article |
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2014 |
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Annual Conference of the Australian Entomological Society. Canberra, Australia., 2014-09-28 to 2014-10-01 |
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MA @ admin @ |
Serial |
2376 |
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Author |
Bojar, W.; Żarski, J.; Knopik, L.; Kuśmierek-Tomaszewska, R.; Sikora, M.; Dzieża, G. |
Title |
Markov chain as a model of daily total precipitation and a prediction of future natural events |
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Conference Article |
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2015 |
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ft_macsur; MACSUR or FACCE acknowledged. |
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The size of arable crop yields depends on many weather factors, such as precipitation and air temperature during the vegetation period. When studying the relation between yields and precipitation, not only the total amount of precipitation, but also the occurrence of long periods without precipitation must be taken into account. The paper [Bojar et al., 2014] demonstrated that barley yield significantly statistically depends on the length of the series of days without precipitation. This paper attempts to analyse the statistical data on daily precipitation totals recorded during the January – December periods in the years 1971 – 2013 at the weather station of the University of Science and Technology in Bydgoszcz, Faculty of Agriculture and Biotechnology, in the Research Centre located in an agricultural area in the Mochle township, situated 17 kilometres from Bydgoszcz. The primary statistical operation in the study is an attempt to estimate the Markov chain order. To this end, two criteria of chain order determination are applied: BIC (Bayesian information criterion, Schwarz 1978) and AIC (Akaike information criterion, Akaike 1974). Both are based on the log-likelihood functions for transition probability of the Markov chain constructed on certain data series. Statistical analysis of precipitation totals data leads to the conclusion that both AIC and BIC indicate the 2nd order for the studied Markov chain. The proposed method of estimating the variability of precipitation occurrence in the future will be utilised to improve region-related bio-physical and economical models, and to assess the risk of extreme events in the context of growing climate hazards. It will serve as basis for a search in agriculture for solutions mitigating those hazards. |
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Braunschweig (Germany) |
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FACCE MACSUR Joint Workshops October 2015, 2015-10-27 to 2015-10-30, Braunschweig |
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MA @ admin @ |
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4236 |
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Conradt, T.; Koch, H.; Hattermann, F.F.; Wechsung, F.; Hartje, V.; Kaden, S.; Venohr, M.; Hansjürgens, B.; Gräfe, P. |
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Validierung von Lokalkorrekturen der Verdunstung bei den Simulationen des Wasserabflusses |
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Book Chapter |
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2013 |
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211-231 |
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CropM |
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Weißensee Verl. |
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Berlin |
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Wechsung, F.; Hartje, V.; Kaden, S.; Venohr, M.; Hansjürgens, B.; Gräfe, P. |
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Die Elbe im globalen Wandel |
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MA @ admin @ |
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2367 |
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Author |
Challinor, A.E.A. |
Title |
How have uncertainties in projected yields changed between AR4 and AR5 |
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Conference Article |
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2014 |
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MACSUR CropM International Symposium and Workshop: Modelling climate change impacts on crop production for food security, Oslo, Norway, 2014-02-10 to 2014-02-12 |
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MA @ admin @ |
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2359 |
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