Influence of Site Factors on Incidence of Vole and Lemming Feeding Damage to Forest Plantations
Authors: Sullivan, Thomas P.1; Martin, Wayne L.1
Source: Western Journal of Applied Forestry, Volume 6, Number 3, 1 July 1991 , pp. 64-67(4)
Publisher: Society of American Foresters
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Abstract:
The incidence of meadow vole (Microtus pennsylvanicus) and brown lemming (Lemmus sibiricus) feeding damage to young plantations of lodgepole pine (Pinus contorta var. latifolia) and interior spruce (Picea glauca x Picea engelmannii) was studied in west-central British Columbia. Fifty-eight plantations were surveyed for seedling survival and stocking, and an additional 21 older plantations of lodgepole pine were surveyed for tree damage. Average survival of pine (47.7%) was significantly lower than that of spruce (56.0%). Because of mortality from vole feeding, 24 of the 58 plantations were not satisfactorily restocked. Planted trees were attacked significantly more than natural regeneration. Severely attacked plantations occurred in the spruce-subalpine fir (Abies lasiocarpa) forest type at elevations > 800 m on N to NE aspects. Susceptible plantations generally had mechanical or no site preparation with complex post-harvest debris and limited vegetation cover. West. J. Appl. For. 6(3):64-67.Document Type: Journal article
Affiliations: 1: Ministry of Forests, Bag 5000, Smithers, B.C., Canada, V0J 2N0
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