Effects of contaminant exposure on wild American kestrel nestlings at Rocky Mountain Arsenal
Conference
·
OSTI ID:37414
- Fish and Wildlife Service, Commerce City, CO (United States)
- Colorado State Univ., Ft. Collins, CO (United States)
Over a two year period the effects of contaminant exposure on the hatching success, growth, survival, fledgling success, and biomarker response was evaluated for kestrel nestlings from over 50 nest boxes located on the Arsenal and from off-post reference sites. Contaminant exposure was quantified by using radio telemetry to document the foraging areas of the adult kestrels and ligatures to collect prey items directly from the nestlings. Nests were monitored to determine nest success, clutch sizes, hatching success, nestling growth rates, nestling survival, and fledgling success. From each nest, one chick was collected at 21 days of age for contaminant residue (aldrin, dieldrin, endrin, DDE, DDT, arsenic, and mercury) and biomarker analyses (EROD, PROD, P-450 content, GST, total kidney porphyrins, and brain biogenic amines). The relationships between contaminant exposure, contaminant burdens, nest success, hatching success, growth rates, survival, and biomarker activity will be presented.
- OSTI ID:
- 37414
- Report Number(s):
- CONF-9410273--
- Country of Publication:
- United States
- Language:
- English
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