Insect defoliators and their influence on oak forests in the Djerdap National Park, Serbia
2010
Glavendekić, M.M., Faculty of Forestry, Belgrade (Serbia) | Medarević, M.J., Faculty of Forestry, Belgrade (Serbia)
The study of oak phytophagous insects was performed during the period of 1992-2010 in the region of Djerdap National Park, Serbia. More than a third (36.67%) of the phytophages in oak forests are frequent and can occasionally cause local outbreaks. The early spring defoliator phytophages so far identified in the oak forests of the Djerdap National Park are outbreak species and are significant agents of forest ecosystem degradation and decline. The most frequent species are Tortrix viridana and Operophtera brumata. It was found that Quercus petraea was more affected by dieback then Quercus cerris and Quercus frainetto.
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