Contaminants
Contaminants
Filter Total Items: 15
Pacific Nearshore Project
Sea otters are crucial indicators of the health of our nearshore waters and coastal resources, from kelp forests to fisheries. What clues does the sea otter's decline hold for our knowledge of ecosystem and global change? WERC's sea otter team and U.S. and Canadian researchers have teamed together to investigate. Relevance to USGS Missions: This research project has direct relevance for the...
Birds as Indicators of Contaminant Exposure in the Great Lakes
Objectives: 1. Use tree swallows and colonial waterbirds in the Great Lakes to evaluate contaminant Exposure (geographic and spatial) 2. Trends through time (temporal) 3. Effects (reproductive, physiological, genetic) 4. Monitor cleanup actions
Monarch Butterfly Utilization of Milkweed Plants Grown in Close Proximity to Corn Treated by a Neonicotinoid Insecticide (Seed Treatment)
Monarch butterfly populations have declined sufficiently to result in noticeably fewer overwintering at sites in central Mexico as in California.