United States Forest Service
National Lichens & Air Quality Database and Clearinghouse
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Database Queries
Explanation
Lichen Plot Data
Elemental Analysis Data
Element Threshold Data (R6)
Lichen Species Data
Element Analysis Thresholds & Sensitivity Ratings
Clean Site Thresholds
Eastern US Sensitivity Ratings
Western US Sensitivity Ratings
Pacific NW Sensitivity Ratings
Air Pollution Effects on Lichens
Reports, Publications, Protocols
Lichen Images
Illustrations
Lichen Structures
Photographs
Contribute Images
Effects of Pollution
Fun with Lichens and Air Quality: Projects & Ideas
Lesson Plans
Share Your Projects
Resources for Teachers
Links to Other Resources
Lichens and Air Quality Workgroup
Air Program Contacts
Lichen Species Data
Step 1: Select Items of Interest
Select Items of Interest
View Map of USFS Regions
(popup window)
Multiple selections are allowed (drag cursor across items, or hold down Ctrl key while clicking)
Region
(*) All
Area of interest
(*) All
Species
(*) All
AQ Rating
(*) All
Wilderness Area
(*) All
You can refine your query using the Minimize button. For example, if you select Region 6 and click "Minimize," the menus will reload with the remaining applicable choices. You will have "minimized" your possible choices to only those which are available in Region 6.
Select Database Fields to Include in Query
View Database Field Definitions
Plot Data
Region
Field collection date
Plot name
Lichen surveyor(s)
U.S. state
County name
USFS or BLM District
Location description
Township, Range and Section
Elevation (ft)
Ecoregion III
Ecoregion IV
Distance from coast (miles)
Precipitation (cm/yr)
Mean mininum daily temperature (°C)
Air pollution score
Protocol
Lichen Data
Repetition number of that species within a Plot number
Abundance
Chemical tests
Lichen substances present
Substrate
Collector
Packet no.
Collector's number
Determiner
Date determined
Verified
Vdate
Acquisition nos. and remarks
Lichen Names
Taxonomic authority
Common name
AQ Rating
Step 2: Your Results