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WED Research Update
February, 2003

Surface water chemistry research
confirms success of 1990 Clean Air Act

Branch chief voices support for ecological risk assessment

Structure of variation influences estimation of status

Tracking 16 years of change to wetlands in an urbanizing area

Can changes in farming affect water quality and biodiversity?

Carbon dioxide and nitrogen effects on ponderosa pine roots

Two approaches for selecting areas for preserving biodiversity

Carolinas, Nevada and Oregon added to ecoregion map series

A cost-effective method for making wildlife risk assessments

Court decision creates need for information on isolated wetlands

Web page provides information on monitoring aquatic resources 

Database provides history of ozone in San Bernardino Mountains

Burrowing shrimp have important impact on NW estuaries

Study projects response of firs to global climate change

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