SYSTEM DYNAMICS MODELING FOR CANCER PREVENTION AND CONTROL: A SYSTEMATIC REVIEW.


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 southern Poland during 2002-2006 in Scots pine stands under the effect of an outbreak of pine shoot beetles.The biab spirited 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 distrib

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