Itcha-Ilgachuz alternative silvicultural systems trial

• Lichen (caribou forage)
• vegetation
• birds
• commercial mushrooms
• regeneration (natural and planted)
• microclimate
• stand stability
• long-term site productivity

• SBPSxc
• MSxv

• Lodgepole pine
• Hybrid spruce

• Clearcut
• Irregular group shelterwood – stem-only harvesting (50% area retention)
• Irregular group shelterwood – whole tree harvesting (50% area retention)
• Group selection (70% area retention)
• No-harvest controls
• Uncut mountain pine beetle monitoring blocks

In 3 phases:

• Pilot block
• Replicated trial
• Adaptive management trial

• Armleder, H. and M. Waterhouse. 1994. Demonstration of alternative silvicultural systems for lodgepole pine. B.C. Min. For., Cariboo For. Reg., Williams Lake, B.C. Exten. Note No. 12.
• B.C. Ministry of Forests. 1996. Silvicultural systems for lodgepole pine and northern caribou. Cariboo For. Reg., Res. Section, Williams Lake, B.C. Exten. Note 19.
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• Armleder, H. and M. Waterhouse. 2008. Mountain pine beetle and northern caribou: the Itcha-Ilgachuz experience. In: Mountain pine beetle: from lessons learned to community-based solutions. Conf. Proc., June 10–11, 2008. B.C. J. Ecosys. Manag. 9(3):102–105.

• Waterhouse, M.J., N. Daintith, and O. Steen. 2001. Itcha-Ilgachuz alternative silvicultural systems project: microclimate, planted stock and natural regeneration (PDF, 1.2MB). B.C. Min. For., Cariboo For. Reg., Res. Section, Williams Lake, B.C. Exten. Note 35.
• Daintith, N., M. Waterhouse, and H. Armleder. 2005. Seedling response following partial cutting in lodgepole pine forests on caribou winter range in west-central British Columbia. For. Chron. 81:409–417.
• Steen, O.A., M.J. Waterhouse, H.M. Armleder, and N.M. Daintith. 2007. Natural regeneration of lodgepole pine following partial harvesting on northern caribou winter range in west-central British Columbia. B.C. J. Ecosys. Manag. 8(1):61–74.
• Waterhouse, M.J., E.C. Wallich, N.M. Daintith, and H.M. Armleder. 2010. Planted stock performance 10-years after partial cutting in west-central British Columbia. For. Chron. 86(1):118–129.
• Daintith, N.M. and M.J. Waterhouse. 2015. Natural regeneration in partial cuts and mature forest after mountain pine beetle infestation in the west Chilcotin: Itcha-Ilgachuz research project. Prov. B.C., Victoria, B.C. Tech. Rep. 088.

• Miège, D., T. Goward, H. Armleder, M. Waterhouse, and D. Burgess. 2000. Impact of partial cutting on lichen diversity in lodgepole pine forests on the Chilcotin Plateau in British Columbia. B.C. Min. For., Res. Br., Victoria, B.C. Work. Pap. 55.
• Miège, D., H. Armleder, M. Waterhouse, and T. Goward. 2001. A pilot study of silvicultural systems for northern caribou winter range: lichen response. B.C. Min. For., Res. Br., Victoria, B.C. Work. Pap. 56.
• Waterhouse, M.J., H.M. Armleder, and A.F.L. Nemec. 2011. Terrestrial lichen response to partial cutting in lodgepole pine forests on caribou winter range in west-central British Columbia. Rangifer Spec. Issue 19:119–134.
• Stevenson, S.K. and D.S. Coxson. 2015. Can partial-cut harvesting be used to manage terrestrial lichen habitat? A review of recent evidence. Rangifer 35, Spec. Issue 23:11–26.

• Sagar, R.M., M.J. Waterhouse, and B. Chapman. 2005. Microclimate studies in silvicultural systems on the Chilcotin Plateau of British Columbia: the Itcha-Ilgachuz project (1997-2003). B.C. Min. For., Res. Br., Victoria, B.C. Tech. Rep. 22.
• Sagar, R.M. and M.J. Waterhouse. 2015. Microclimate studies in mountain pine beetle damaged silvicultural systems on the Chilcotin Plateau: the Itcha-Ilgachuz project (1997 -2013).  Prov. B.C., Victoria, B.C. Tech. Rep. 089.

• Waterhouse, M.J. and H.M. Armleder. 2004. Windthrow in partially cut lodgepole pine forests in west-central British Columbia. B.C. Min. For., Res. Br., Victoria, B.C. Exten. Note 70.

• Waterhouse, M.J. and H.M. Armleder. 2007. Forest bird response to partial cutting in lodgepole pine forests on caribou winter range in west-central British Columbia. B.C. J. Ecosys. Manag. 8(1):75–90.

• Wei, X., W. Liu, M. Waterhouse, and H. Armleder. 2000. Simulations on impacts of different management strategies on long-term site productivity in lodgepole pine forests of the central interior of British Columbia. For. Ecol. Manag. 133:217–229.
• Wei, X., Q. Li, M.J. Waterhouse, and H.M. Armleder. 2012. Organic matter loading affects lodgepole pine seedling growth. Environ. Manag. 49(6):1143–1149.