USDA Forest Service

Pacific Southwest Research Station

Pacific Southwest
Research Station

1731 Research Park Dr.
Davis, CA 95618
(530) 759-1700
United States Department of Agriculture Forest Service. USDA logo which links to the department's national site. Forest Service logo which links to the agency's national site.

Research Topics Forest Management

Participating Programs
Related Links

Conifers - A young stand model for Northern California and Southern Oregon[image:] Conifers Title


Conifers is an individual-plant growth and yield simulator with two variants. The SWO variant is for young mixed-conifer stands in southern Oregon and northern California (see map) and the SMC variant variant is for northwestern Oregon and western Washington (see map). Conifers provides forecasts for young plantations of single species or mixed-species growing with or without competition from shrubs (data requirements/overview).

Current Version Number: Version 4.13
This version of CONIFERS was compiled in November 2010.

Requirements & Downloads: Microsoft Windows 95 or later operating system. Internet Explorer 5 or later version required for the help system.

CONIFERS Notes: Updates, bug fixes, answers to questions and other bits and pieces of information on the simulator are here in CONIFERS Notes.

The existing rconifers packages will not compile under R Version 3.x.
Users who need rconifers may locate the list of archived versions of rconifers at:
Any of these versions of rconifers should load with R versions 2.x.


Ritchie, M.W.; Hamann, J.D. 2013. CONIFERS package in R: rconifers.