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The renewable freshwater resources in a territory are equivalent to the total yield. Non-renewable resources are characterised by the fact that they can only be used once during the period considered.
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The study distinguishes between geographical zones as follows:
Euro 1: EU countries: Austria, Belgium, Denmark, Finland, France, Germany, Greece, Ireland, Italy, Luxembourg, Netherlands, Portugal, Spain, Sweden, United Kingdom. Non-EU countries: Andorra, Iceland, Monaco, Norway, San Marino, Switzerland.
Euro 2: Bulgaria, Cyprus, Czech Republic, Estonia, Hungary, Latvia, Lithuania, Malta, Poland, Romania, Slovakia, Slovenia.
Euro 3: Armenia, Azerbaijan, Belarus, Georgia, Kazakhstan, Kyrgyzstan, Republic of Moldova, Russian Federation, Tajikistan, Turkmenistan, Ukraine, Uzbekistan.
Euro 4: Albania, Bosnia and Herzegovina, Croatia, Israel, Montenegro, Serbia, the former Yugoslav Republic of Macedonia, Turkey.
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