Welcome!
Welcome to the web pages of the USDA Forest Service National Lichens and Air Quality Database and Clearinghouse. Across the US, lichen biomonitoring is helping federal land managers meet federal and agency responsibilities to detect, map, evaluate trends, and assess the ecological impacts of air pollutants. On these pages you can access lichen data from the National Forest system and find out more about lichens and lichen monitoring in general.
Website Features
- Database Queries
Query the USFS database of lichen species by geographic area or sensitivity class; retrieve lichen elemental analysis data - Elemental Analysis Thresholds & Sensitivity Ratings
Aids for interpreting lichen data - Reports, Publications & Protocols
Full articles, citations and PowerPoint presentations pertaining to lichens and air quality monitoring in national forests and parks - Lichen Images
Get a drawing or photograph of a lichen, submit your own images - Fun with Lichens
Resources for teachers, students, naturalists - Links to Other Resources
Websites for further exploration - Lichens and Air Quality Workgroup Homepage
Uses of lichen data by federal land managers, resources for managers, ongoing federal and university programs - Air program Contacts
Regional contacts for USFS Air Resource Managment