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CROWN DEFOLIATION OF PEDUNCULATE OAK (Quercus robur L.) ON PERMANENT RESEARCH PLOTS IN THE PERIOD FROM 1995-2000
forest pedunculate oak Quercus robur L. forest decline oak decline permanent research plot
2009/11/26
Permanent research plotting a crown defoliation survey on pedunculate oak was performed from 1995-2000 every August and included 192 grown trees in every year. On average from 1995 to 2000 conditions ...