1. ECOTOURISM IN THE RODNA-MOUNTAIN NATIONAL PARK – FUNDAMENTAL DIMENSION OF THE CONCEPT OF SUSTAINABLE DEVELOPMENT / STRATEGIEN ZUR FÖRDERUNG DER ÖKOLOGISCHEN ENTWICKLUNG IM RODNA GEBIRGE – NATIONAL PARK. Authors: M. MUREŞIANU, E. SCHUSTER.2. FROM THE SUBSISTENCE AGRICULTURE TO THE ECOLOGICAL MOUNTAIN AGRICULTURE IN THE UPPER BASIN OF THE SOMEŞUL MARE RIVER. Authors: A. BARTA, E. SCHUSTER, M. MUREŞIANU.3. PROTECTED AREAS IN ROMANIA BETWEEN DESIDERATA AND REALITY. CASE STUDY: IZVORUL TĂUŞOARELOR CAVE. Authors: M. MUREŞIANU, E. SCHUSTER, A. BARTA.