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I. Seletković, N. Potočić: OŠTEĆENOST ŠUMA U HRVATSKOJ U RAZDOBLJU OD 1999. DO 2003 Šumarski list br. 3-4, CXXVIII (2004), 137-148 Potočić,N., I. Seletković, 2002: Oštećenost šuma Seletković, Z., I. Tikvić, 1996: Oštećenost šumu Hrvatskoj 2001. godine. Izvješće za JP "Hrvatskih ekosustava različitih stanišnih prilika u Reske šume", Šumarski institut, Jastrebarsko. publici Hrvatskoj. U: Sever, S. (ur.): Zaštita šu Potočić , N., I. Seletković , 2003: Oštećenost šuma ma i pridobivanje drva, Šumarski fakultet, Zau Hrvatskoj 2002. godine. Izvješće za JP "Hrvatgreb i Šumarski institut, Jastrebarsko: 81-88. ske šume", Šumarski institut, Jastrebarsko. UN/ECE & EC. 2002. Lorenz, M, V. M ues, G. Becher, Ch. Miiller-Edzards, S. Luys Potočić, N., I. Seletković, 2004: Oštećenost šuma saert, H. Raitio, A. Fiirst, D. Langou u Hrvatskoj 2003. godine. Izvješće za JP "Hrvatske šume", Šumarski institut, Jastrebarsko. c h e, Forest Condition in Europe - 2003 Technical Report, Geneva, Brussels Prpić, B., N. Komlenović, Z. Seletković, 1988: Propadanje šuma u SR Hrvatskoj. (Dieback of Forests in Croatia). Šumarski list (5/6): 195-216, Zagreb SUMMARY: In this paper the data on crown condition of forests in Croatia is presented for the five-year period 1999-2003, separately for all species, broadleaves, conifers and three most prominent tree species, pedunculate oak (Quercus robur L.j, common beech (Tagus sylvatica L.) and silver fir (Abies alba Mill.). A comparison is made of the percentage of moderately to severely damaged trees for these three species with European data, as well as with the data from Forest Administration. The percentage of moderately to severely damaged trees in Croatia does not fluctuate significantly in the research period. While the damage of oak and beech is higher in Europe, silerfir is more damaged in Croatia. The sample size, year- to- year differences and variability of applied criteria in Forest Administration affect the accuracy of crown condition assessment. Key words: Crown condition assessment, pedunculate oak, common beech, silver fir, percentage of moderately to severely damaged trees |