Environ Monit Assess (2009) 157:199–210 DOI 10.1007/s10661-008-0528-7 Utilizing the great blue heron (Ardea herodias) in ecological risk assessments of bioaccumulative contaminants Rita Marie Seston · Matthew John Zwiernik · Timothy Brian Fredricks · Sarah Jean Coefield · Dustin Lee Tazelaar · David Wayne Hamman · John David Paulson · John Paul Giesy Received: 10 February 2008 / Accepted: 11 September 2008 / Published online: 11 October 2008 © The Author(s) 2008. This article is published with open access at Springerlink.com Abstract Selection of an appropriate species is ease of study, high potential for exposure, wide- a key element of effective ecological risk assess- spread distribution, and territorial foraging be- ments (ERA), especially when site-specific field havior. Methodologies for assessing exposure and studies are to be employed. Great blue herons population health are described herein. As out- (GBH) possess several ideal characteristics of a lined, the collection of GBH eggs, GBH nestling receptor species for the assessment of bioaccu- blood, and adult GBH blood allows for the de- mulative compounds in the environment, such as termination of contaminant concentrations in var- ious GBH tissues, a top-down assessment, which can be done in conjunction with predicted dietary R. M. Seston (B) · M. J. Zwiernik · T. B. Fredricks · exposure, a bottom-up assessment, to support a S. J. Coefield · D. L. Tazelaar · J. P. Giesy multiple lines of evidence approach. Additionally, Zoology Department, Center for Integrative population parameters, such as productivity and Toxicology, National Food Safety and Toxicology survival, can also be measured to elucidate if the Center, Michigan State University, East Lansing, MI 48824, USA contaminant exposure may be causing population e-mail:
[email protected] level effects.