Forest Planning

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Access the relevant website and a step-by-step guide for using the website.

CLAS–Critical Loads Assessment by Site

CLAD CL Summary Reports

Air Quality Conditions and Trends National Forests

FLAG–Federal Land Managers’ Air Quality Related Values Work Group

Examples of Plans Using CLs

Forest Plan Monitoring Templates

Lichen Current Condition Map

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Step-by-step instructions

1. Select the folder for the agency that you want data for.
2. Select the region folder or use the map to identify the region that your park/forest is in.
3. Download the PDF and explore it for critical load data.
4. The document has 4 sections: 1) CL Summary, 2) deposition summary, 3) Critical Loads of N, 4) Critical Loads of Sulfur.
5. The Critical Loads of N has data for up to 8 critical loads: alpine communities, aquatic eutrophication, herbaceous species richness, individual herbaceous species, epiphytic lichen communities, tree species growth, tree species survival, and soil mycorrhizae.
6. The Critical Loads of S section has data for 5 critical loads: aquatic acidification, individual herbaceous species, epiphytic lichen communities, tree species growth, and tree species survival.