Defoliation levels of oriental spruce by Ips typographus (L.) in relation to elevation and exposure
A study concerning the effects of elevation and exposure of the spruce forests on defoliation levels of oriental spruce (Picea orientalis (L.) Link.) by Ips typographus L. was carried out during 2005 and 2006 in Artvin-Hatila National Park, Turkey Nine spruce stands were selected at 3 zones of eleva...
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Veröffentlicht in: | Journal of environmental biology 2008-03, Vol.29 (2), p.223-226 |
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Sprache: | eng |
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