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Keyword: snag density

Snag and log populations in northern Arizona mixed-conifer and ponderosa pine forests

Science Spotlights Posted on: August 24, 2016
Since 1997, RMRS scientists have monitored populations of snags (standing dead trees) and downed logs in northern Arizona mixed-conifer and ponderosa pine forests, as well as patterns of climate-mediated tree mortality influencing inputs to snag and log populations.

Recommendations for snag retention in southwestern mixed-conifer and ponderosa pine forests: History and current status

Publications Posted on: February 10, 2016
Snags provide habitat for numerous species of wildlife. Several authors have provided recommendations for snag retention in southwestern mixed-conifer and ponderosa pine (Pinus ponderosa) forests. Most recommendations were presented in terms of minimum snag density and/or size.

Application of Forest Inventory and Analysis (FIA) data to estimate the amount of old growth forest and snag density in the Northern Region of the National Forest System

Publications Posted on: January 06, 2009
This report discusses valid use of data produced by the Forest Service?s Forest Inventory and Analysis (FIA) program and used by the Northern Region of the National Forest System to analyze the compliance of individual National Forests with their Standards and Guidelines. It emphasizes use of FIA data on snag density and the percentage of forest area that meets the definition of old growth.