Capparella, Faculty Advisor, A. P.

Frick, Faculty Advisor, J. A.

Harper, Faculty Advisor, R. G.

Klemens, Jeffrey A.

Digital Commons @ Illinois Wesleyan University

Illinois Wesleyan UniversityDigital Commons @ IWUJohn Wesley Powell Student ResearchConference 1998, 9th Annual JWP ConferenceApr 18th, 9:00 AM - 10:30 AMDoes the Method of Preparation AlterMeasurements of Organochlorine Pesticide Levelsin Avian Carcasses?Jeffrey A. KlemensIllinois Wesleyan UniversityJ. A. Frick, Faculty AdvisorIllinois Wesleyan UniversityR. G. Harper, Faculty AdvisorIllinois Wesleyan UniversityA. P. Capparella, Faculty AdvisorIllinois State UniversityFollow this and additional works at: http://digitalcommons.iwu.edu/jwprcThis Event is brought to you for free and open access by The Ames Library, the Andrew W. Mellon Center for Curricular and FacultyDevelopment, the Office of the Provost and the Office of the President. It has been accepted for inclusion in Digital Commons @ IWU bythe faculty at Illinois Wesleyan University. For more information, please contact digitalcommons@iwu.edu.©Copyright is owned by the author of this document.Jeffrey A. Klemens; J. A. Frick, Faculty Advisor; R. G. Harper, Faculty Advisor; and A. P. Capparella, Faculty Advisor,"Does the Method of Preparation Alter Measurements of Organochlorine Pesticide Levels in Avian Carcasses?" (April 18,1998). John Wesley Powell Student Research Conference. Paper 11.http://digitalcommons.iwu.edu/jwprc/1998/posters/11THE JOHN WESLEY POWELL STUDENT RESEARCH CONFERENCE €I APRIL 1998 Poster Presentation 11 DOES THE METHOD OF PREPARATION ALTER MEASUREMENTS OF ORGANOCHLORINE PESTICIDE LEVELS IN AVIAN CARCASSES? Klemens. Jeffrey A, J.A. Frick*, R.O. Harper and A.P. Capparella Departments of Biology and Chemistry, lllinois Wesleyan University, and Department of Biological Sciences, lllinois State University Concern has been raised that measurements of avian organochlorine pesticide contaminants obtained from carcass material removed during preparation as museum study specimens may underestimate actual pesticide levels due to exclusion of the skin. In order to assess this potential underestimation, carcasses of 30 ovenbirds (Seiurus aurocapillus) were randomly assigned to one of three treatment groups: (1) skinned birds in which the skinned carcass was analyzed; (2) plucked birds in which the entire carcass minus the feathers was analyzed; and (3) bisected birds in which one half of each specimen was skinned and the other half was plucked. There were no statistically significant differences in levels of the most frequently detected compound, p,p'-DDE in skinned versus plucked birds or within pairs in the bisected birds. These data suggest that using carcass material left over after preparation as museum skin specimens has little effect on measurements of organochlorine pesticide levels. These results are important because they justify using tissues from skinned specimens for pesticide analysis, allowing data from museum study specimens to enhance the understanding of pesticide contamination patterns. 

Does the Method of Preparation Alter Measurements of Organochlorine Pesticide Levels in Avian Carcasses?

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Does the Method of Preparation Alter Measurements of Organochlorine Pesticide Levels in Avian Carcasses?

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