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  • Applied ecology ; Atmospheric pollution ; Central Europe ; Climatic variability ; Congress ; Czech Republic ; Eastern Europe ; Ecosystem ; Environment ; Environmental management ; Forest ; Hungary ; International cooperation ; Lithuania
  • and perspectives of scientific cooperation between Poland and USA in research on effects of climatic changes and increasing levels of environmental pollution on forests ecosystems. The remaining articles are connected with forest monitoring, forest gradient studies
  • on old traditions and a newborn international cooperative program, a complex monitoring and research project was developed in Hungary to better understand the rapid changes in the forest ecosystems. - (L'A.).
  • Peculiarities of the impact of permanent chronic air contamination by dust and gaseous waste of the copper-nickel industry on morphological structure of Scots pine crown in secondary north taiga forests of the Kola Peninsula were investigated