Hardwood Silviculture Cooperative: Stand tending regimes for red alder (EP 1140.01-.02)

• To improve the understanding, management, and production of red alder.
• Enhance silvicultural research on hardwood species and mixed hardwood/softwood stands in the Pacific Northwest (Hardwood Silviculture Cooperative).

• French Creek (4205)
• Mohun Creek (4203)
• Lucky Creek (1202)
• Sechelt (4101) 

• Hardwood Silviculture Cooperative; 
• Thinned natural stand trials (Type 1) and, planted espacement trials (Type II) ranging in density from 247 sph to 2965 sph. 
• Pruning and thinning  treatments post planting.

• Courtin, P.J., K.R. Brown, and G.J. Harper. 2002. Red alder management trials in the Vancouver Forest Region. B.C. Min. For., Vancouver For. Reg., Nanaimo, B.C. For. Res. Exten. Note EN-016.

• Hardwood Silviculture Cooperative reference material and publications

• Cortini, F., P.G. Comeau, T. Wang, D.E. Hibbs, and A.A. Bluhm. 2012. Climate effects on red alder growth in the Pacific Northwest of North America. For. Ecol. Manag. 277:98–106.

• McColl Road
• Powell River
• Sayward
• Snowden

Red alder seedlings were fertilized with phosphorus, as triple super phosphate (0-45-0), with or without a blend of potassium-magnesium-sulphate (0-0-22-11-22) and fritted trace elements.

• Brown, K. 1999. First-year growth responses of young red alder stands to fertilization. B.C. Min. For., Res. Br., Victoria, B.C. Exten. Note 36.    

• Brown, K.R. and P.J. Courtin. 2003. Effects of phosphorus fertilization on the early growth of red alder plantations. B.C. Min. For., Vancouver For. Reg., Nanaimo, B.C. For. Res. Exten. Note EN-019.

• Brown, K.R. and P.J. Courtin. 2018. Can phosphorus additions increase long-term growth and survival of red alder (Alnus rubra Bong.) on periodically dry sites? For. Ecol. Manag. 430:545–557.