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The accuracy of matrix population model projections for coniferous trees in the Sierra Nevada

Journal of Ecology

By:
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Abstract

No. 2 fuel oil was fed to mallard (Anas platyrhynchos) ducklings in concentrations of 0.5 and 5.0% of the diet from hatching to 18 wk of age to assess the effects of chronic oil ingestion during early development. Five growth parameters (body weight, wing length, ninth primary length, tarsal length, and bill length) were depressed in birds receiving a diet containing 5% fuel oil. There was no oil-related mortality. The 5% fuel oil diet impaired avoidance behavior of 9-d-old mallard ducklings compared with controls or ducklings fed 0.5% oil. Open-field activity was greatly increased in 16-wk-old ducklings fed 5.0% oil. Liver hypertrophy and splenic atrophy were gross evidences of pathological effects in birds on the 5.0% oil diet. More subtle effects included biochemical lesions that resulted in the elevation of plasma alanine aminotransferase and ornithine carbamoyltransferase activity.

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
The accuracy of matrix population model projections for coniferous trees in the Sierra Nevada
Series title:
Journal of Ecology
Volume
93
Year Published:
2005
Language:
English
Contributing office(s):
Western Ecological Research Center
Description:
p. 737-747
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
Larger Work Title:
Journal of Ecology
First page:
737
Last page:
747
Number of Pages:
11