Drought directly and indirectly affects human society in a number of ways. In many regions of the world climate change will exasperate the effects of droughts, affect national economies more intensely. The main aim of this article was to catalogue and analyze the drought impacts in the 11 Central and South Eastern European states located in the Danube river basin. The identification of dry episodes was based on information from publicly available sources, namely, newspaper and journal articles that reported drought impacts. Information on drought impact occurrences was classified into one of five defined categories in which the drought impact report was most clearly manifested (i.e., agriculture, forestry, soil systems, wildfires and hydrology). In terms of the spatial distribution of drought impacts, individual recorded events were analyzed at the level of EU NUTS regions (or their equivalent in non‑EU countries). The analysis highlights country‑specific vulnerability to drought. Furthermore, gradual increases in drought events and the number of reported impacts were identified, which was particularly evident in the agricultural sector.

Decision makers in developing countries are struggling to solve the present problems of solid waste management. Prioritisation and ranking of the most important indicators that influence the waste management system is very useful for any decision maker for the future planning and implementation of a sustainable waste management system. The aim of this study is to evaluate key indicators and their related sub-indicators in a group decision-making environment. In order to gain insight into the subject it was necessary to obtain the qualified opinions of decision makers from different countries who understand the situation in the sector of waste management in developing countries. An assessment is performed by 43 decision makers from both developed and developing countries, and the applied methodology is based on a combined use of the analytic hierarchy process, from the multi-criteria decision-making set of tools, and the preferential voting method known as Borda Count, which belongs to social choice theory. Pairwise comparison of indicators is performed with the analytic hierarchy process, and the ranking of indicators once obtained is assessed with Borda Count. Detailed analysis of the final results showed that the Institutional-Administrative indicator was the most important one, with the maximum weight as derived by both groups of decision makers. The results also showed that the combined use of the analytic hierarchy process and Borda Count contributes to the credibility and objectivity of the decision-making process, allowing its use in more complex waste management group decision-making problems to be recommended.

No abstract

No abstract

Sažetak: Ograničeni vodni resursi, rastući zahtevi za vodom i sve nepovoljniji klimatski uslovi doveli su do razvoja novih koncepata, sa ciljem procene potražnje i potrošnje vode na lokalnom i globalnom nivou. Koncepti koji se u novije vreme koriste pri rešavanju ovakvih problema su "vodni otisak" i "virtuelna trgovina vodom". Ciljevi ovog rada su: (1) da se odrede specifični zahtevi za vodom najvažnijih poljoprivrednih proizvoda u procesu međunarodne trgovine Srbije, (2) da se oceni mogućnost povećanja produktivnosti vode pri proizvodnji tih proizvoda i (3) da se proceni održivost vodnih resursa Srbije, na osnovu odnosa vode koju Srbija uvozi/izvozi tokom "virtuelne trgovine vodom". Izračunavanjem specifične potrošnje vode za pšenicu, kukuruz, suncokret, šećernu repu i soju i poređenjem sa specifičnom potrošnjom vode ovih kultura u drugim zemljama, utvrđeno je da postoji prostor da se unapredi korišćenje vode, npr. podešavanjem sortimenta ili promenama u tehnologiji gajenja. Na osnovu odnosa izračunatih izvezenih i uvezenih virtuelnih količina vode za period 1995-1999. godine i 2010-2013. godine, može se zaključiti Srbija izvozi više vode nego što uvozi. Čak i sa dodatnim porastom izvoza poljoprivrednih proizvoda neće doći do narušavanja vodne održivosti Srbije. Ključne reči: specifična potrošnja vode, virtuelna trgovina vodom, poljoprivredni proizvodi, produktivnost vode. Uvod Poljoprivreda je najveći potrošač vode na svetu sa prosečnom potrošnjom od oko 70% ukupnih voda (FAO, 2017). Ovaj procenat je u aridnim predelima znatno veći i ide do 89%, dok je u humidnim predelima značajno manji i varira od 20% u Rusiji, do 35-60% u tropskim i humidnim predelima (FAO, 2017). Sa porastom