Western Ecology Division
Research Update
June 1999

Additional expertise helps Division
fulfill its evolving scientific mission

After leading WED since 1979,
Director Tom Murphy steps down

Genetically engineered bacteria spread
in four-year alfalfa field experiment

Click button to read research news:
Scientists develop method to show costs and benefits of conserving biodiversity Wildfire in tropical Mexico emits additional 4.6 million tons of carbon Amphipods, given the choice, will opt for less-contaminated sediments WED scientist analyzes significance of episodic acidification on aquatic resources Data from regional hydrographs helpful in studies of local wetlands Biodiversity study: a two-stage problem that can be analyzed on various scales Amphibians, fish sensitive to fertilizer but not at concentrations found in field	Combination of data needed to assess variables that affect forest ecosystems Research finds 4 species of pine trees tolerant of Smoky Mountains ozone Ditching works to restore salt marsh creek but the return of natural systems is slow New ecoregion maps allow biologists to compare data across state lines Methods for measuring stream conditions set forth in revised monitoring manual Mid-Atlantic EMAP pilot study provides stream-selection process Scientists find & analyze differences in 2 adjoining Olympic Peninsula basins
Select WED research news by subject:
Aquatic toxicity Biodiversity Biocriteria Ecological modeling Ecoregions EMAP EMAP Episodic acidification Fertilizer toxicity	Genetically engineered bacteria Global climate change Monitoring design New Personnel Ozone stress Stream surveys Wetlands Wetlands restoration Wildfires