[ نُشرت في: Pollution ]
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مصدر البيانات حسب البلد
الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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Air Pollution and Forest Condition in Central Europe
1993
Kandler, O. (University of Munich, Munich (Germany).Botanical Institute of University of Munich)
Depending on their concentrations, air pollutants are dangerous to forests. With the exception of some industrial areas in the east, concentrations of air pollutants in Central Europe are below the damaging threshold as shown by the records of the monitoring stations.
اظهر المزيد [+] اقل [-]
International Union of Forestry Research Organizations - Austria