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The current state of the art and dedicated applications in Early Warning Systems (EWS) of hydrological and meteorological threats are presented herein. Special emphasis is placed on systems based on the post-processing of deterministic numerical weather forecasts in the real-time mode. The importance of climate and weather forecasting models in providing warnings against slow and rapid onset rates e.g. drought and dispersion of atmospheric pollutants respectively, is discussed. It is strongly suggested that there is a need for systems, corresponding to crisis situations in the field of environmental hazards and/or human activities in general, that would be able to provide support and information about further possible scenarios with a projected state of both the environment and the possibility of the negative impact of various factors on the population (human communities). Since there are highly developed plans for the construction of a nuclear power plant in Poland, there is an urgent need to prepare adequate tools that will help avoid crisis situations, or at least to minimize their negative effects. The Early Warning System should be considered one such tool, to be used not only for its economic benefits, but also for pro-social areas of services responsible for the appropriate reaction to crisis events.
The aim of this study was to assess the financial situation of enterprises producing feeds, focusing on the potential risk of bankruptcy. Selected Polish models of discriminant analysis were used for the assessment of the financial condition of enterprises. Studies have shown that between the years 2006 to 2011, Cargill Polska, De Heus and Polmass had a good financial situation. The situation of PPUH Pasz Konspol and Fel Pasz was unfavourable, whereas Agrocentrum and Eurolpol were in a poor situation between 2007 and 2008. The assessment of the financial condition, by means of the applied early warning models, was not unequivocal for medium and small enterprises.
Many species of leaf mining flies feed on cereal crops. Cereal crop plantations with high level of the pest infestation need to be treated with insecticides. The yellow tables covered with glue were used for trapping the pests. The leaf mining flies warning system can provide the information about date of treatment based on counting the trapped imagines of the pest and observation of leaf beetle appearance and its development. The following species of leaf mining flies are the most common in Poland: Phytomyza nigra Mg., Agromyza ambigua Fll., Ceroclontha pygmaea Mg., Agromyza mobilis Mg.
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