• Dr. Jennifer Graham, Research Hydrologist, U.S. Geological Survey
• Dr. Quay Dorth, Coordinator, Ecology and Oceanography of Harmful Algal Bloom Program, National Oceanic and Atmospheric Administration

This presentation is the first in a series about harmful algal blooms (HABs), a worsening environmental problem and public health threat. The presentation provides an introduction to HABs, their causes and their impacts.

• An Overview of Harmful Algal Blooms and their Imacts in Marine and Freshwater Ecosystems: June 25, 2013 (PDF)(49 pp, 7 MB)