OREGON STATE UNIVERSITY
Red alder plantation in the Oregon Coast Range
Red alder plantation in the Oregon Coast Range
Washington alder mill
Washington alder mill
Mature, natural alder stand
Mature, natural alder stand
Newly germinated alder plugs
Newly germinated alder plugs
Measuring HSC site
Measuring HSC site
Red alder plantation near St Helens
Red alder plantation near St Helens
Red alder leaves and female "cones"
Red alder leaves and female "cones"
Thinned natural alder stand
Thinned natural alder stand

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The Hardwood Silviculture Cooperative (HSC) is a multi-faceted research and education program focused primarily on the silviculture of red alder (Alnus rubra) and mixed stands of red alder and Douglas-fir (Pseudotsuga menziesii).

The Hardwood Silviculture Cooperative (HSC) was first established in 1988 by a small (and visionary) group of public agencies and industries. The HSC has been providing information for foresters interested in hardwood management for over 20 years.

The HSC has the oldest and most extensive red alder growth database in existence. The study design includes thirty-six study installations from Coos Bay, Oregon to Vancouver Island, British Columbia. The goal of the HSC research is simple, to improve the understanding, management, and production of red alder.


At A Glance

HSC 2018 Summer Meeting – Will be held on June 15, 2018 at the DNR Pacific Cascades Regional Office, Castle Rock, WA. The morning will consist of the HSC Management Committee business meeting. Then, at 10am, the public is welcome to attend a field tour of research and operational red alder plantations on DNR land in the Longview area. Here, we visit a unit to be planted in red alder, and 10, 20 and 30 year-old plantations. Topics covered will include site selection, seedlings, pre-commercial thinning, log sizes, yields, and various economic comparisons. Transportation will be provided. For the meeting agenda, click here.

HSC 2017 Annual Report - a look at current HSC activities (pdf).

 

Red alder Growth and Yield Model! - After many years of development, the first-of-its-kind red alder plantation growth and yield model has been developed using the ORGANON architecture. In addition, a new user-friendly interface for this model has been created by the Center for Intensive-planted Silviculture (CIPS). Click here for the link to download the model and here for the link to download the model interface.

"An Alder Day in the Woods"– Was the Washington hardwood Commission (WHC) Annual Symposium on June 16th. Here, we had the opportunity and privilege to tour operational, mid-rotation red alder plantations on Weyerhaeuser property in the Kelso & Ryderwood, WA area. Most aspects of operational red alder management were covered but special emphasis was placed on site productivity, site selection, plantation establishment, stand density management, and commercial thinning. The tour was jam packed with information which is nicely assembled into a pdf found at the following: http://wahardwoodscomm.com/2016_AnnualMtg.html.

Red Alder Symposium -On March 23-25, 2005, the University of Washington hosted a symposium to examine the economic, ecological, and social values of red alder. This link allows viewing of all the presentations.

Symposium Proceedings - Still the most up-to-date and complete resource regarding red alder biology and management - Red alder: a state of knowledge.

HSC Brochure - a brief description of the HSC, its history, objectives, and study designs.