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U.S. Forest Service
Caring for the land and serving people

United States Department of Agriculture

Pacific Northwest Research Station

Inventory, Monitoring, & Analysis

  • Hokitika Gorge on the South Island of New Zealand. USDA Forest Service photo by Geoffrey Donovan.
    Biodiversity around a child’s home is associated with a lower risk of developing childhood asthma

    Asthma is on the rise in developed countries. One possible reason for this trend is provided by the hygiene hypothesis, which posits that...

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  • The new normal: empirical estimates of future fire environments in the Pacific Northwest
    Large wildfires in the Pacific Northwest are increasingly frequent compared to the last three decades of the 20th century. These wildfires are...Read More
  • Forest inventory in interior Alaska

    The Forest Inventory and Analysis program provides a wealth of data on forests coast to coast. But until 2016, a large area of forest land was not...

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  • Dead and dying ponderosa pine and sugar pine in California
    How does drought contribute to forest health?

    Drought makes life harder for trees. For example, an estimated 129 million trees have died in California’s national forests since 2010 owing ...

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Forests and rangelands in the Pacific region are among the most diverse and productive in the world.  They are also in a constant state of change because of natural and anthropogenic impacts. We provide basic knowledge of the current status, past trends, and future projections of forest and rangeland ecosystems through inventory and monitoring.

Contact Information

1220 SW 3rd Avenue, Suite 1400
Portland, OR 97204 | Get Directions

Phone: (503) 808-2100
Fax: (503) 808-2130

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