FEEDING ECOLOGY OF PINE SHOOT BEETLES (TOMICUS SPP.) IN TREE CROWNS OF SCOTS PINE (PINUS SYLVESTRIS L.) STANDS UNDER ONE-YEAR OUTBREAK

Feeding ecology of pine shoot beetles (Tomicus spp.) in tree crowns of Scots pine (Pinus sylvestris L.) stands under one-year outbreak

Studies were carried out in integrated dryer southern Poland during 2002-2006 in Scots pine stands under the effect of an outbreak of pine shoot beetles.The qualitative aspects of beetle feeding in tree crowns, studied on the basis of fallen shoots collected on experimental plots, are presented in this paper.The beetle numbers affected the age dist

read more


Research Methods in a Multinational Business Environment and Implications for Capital Formation: Application of Cross-Sectional Autoregressive Distributed Lag Methods

We explore whether foreign direct investment outflows augment or obstruct public or private capital in developing countries by decomposing domestic capital MSM into private and public capital.While developed countries are the primary source of foreign direct investment outflows (FDIOs), developing economies have become the primary source of FDIO ov

read more