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The research was carried out in the economic and natural Forest Reserve ‘Yertys Ormany’ in Pavlodarsk Oblast (Kazakhstan) in 2018. In the middle of May, two barrier traps of the ‘Netocia’ type (30, in total) were installed on each research plot damaged by wind, fire and great pine web – spinning pine sawfly – Acantholyda posticalis Mats. Insects were caught every month, from mid−June to mid−August...
In the end of 2013 the Norway spruce stands in the Kościelska Valley in the Tatra National Park (S Poland) were severely damaged by the wind. In the next year about 22,000 m³ of timber from broken and fallen trees was processed and removed from the active protection zone, whilst in the strict protection zone those trees were left. In 2014, when the presented survey started, the infestation of lying...
Nowe możliwości wykorzystania wierzby i topoli, szczególnie w przemyśle energetycznym i celulozowym, prowadzą do wzrostu zainteresowania ich produkcją, a więc również czynnikami ją ograniczającymi. Celem opracowania było zebranie danych dotyczących krytoryjka olchowca – jednego z najgroźniejszych szkodników wierzby i topoli, z literatury polskiej i zagranicznej. Omówiono rozmieszczenie geograficzne...
In response to the information published in “Forest Research Papers” (vol. 77(4), 2016), regarding the problem of the European spruce bark beetle Ips typographus (L.) in the Białowieża Forest, we present our viewpoint on this issue. The role of the European spruce bark beetle in the Białowieża Forest is discussed based on experience gained in Europe’s forests. We present the effects of I. typographus...
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