Description

Counts of SBW larvae collected in the fall as L2 or in the following spring as L4, from 75-cm branches or 45-cm branch tips (respectively) of balsam fir in the Ottawa River valley from 1998-2001, North Shore 2008-2010, and New Brunswick 2017-2022. Defoliation measured at the end of the feeding period after the L4 sample. Data linked to scientific paper: Régnière, J., Johns, R., Edwards, S., Owens, E., Dupont, A., 2023. Overwintering spruce budworm population density as predictor of following-year larval density and defoliation on balsam fir. For. Ecol. Manag. (submitted).

Resources

Name	Format	Description	Link
SBW L2 and L4 samples from Ottawa River valley, North Shore and New Brunswick 1998-2022	xlsx		https://open.canada.ca/data/dataset/42ca63ee-aa9a-4437-8810-7d54d328229e/resource/74630e73-1212-4122-8c7c-db00733ead41/download/cfumiferana_l2_l4.xlsx

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