Four sites with ten-year cone counts is available from Messaoud et al. (2007) include cone counts for Abies balsamea and Picea species were observed to evaluate the potential role of reproduction at the northern mixed forest boundary. Site names are Lake Montalais (LMONT), Lake Duparquet (LDUPT), Cochrane (COCH), and Maskuchis (MASK).
Messaoud, Y., Y. Bergeron, and H. Asselin. 2007. Reproductive potential of balsam fir (Abies balsamea), white spruce (Picea glauca), and black spruce (P. mariana) at the ecotone between mixed wood and coniferous forests in the boreal zone of western Quebec. American Journal of Botany 94: 746–754.