Abstract
The prevalence of hematozoa in 3096 passeriforms of 70 species collected from 1972 to 1974 from the Tantramar Marshes in New Brunswick and 518 birds of 28 species from Charlotte County, New Brunswick, collected in 1973 was analyzed with respect to the effect of (i) climate, (ii) aerial application of insecticide, and (iii) large-scale environmental alteration. The effect of climate was found to be marked and of such magnitude as to mask other effects that may have arisen as a result of man's interference with the natural environment. The data presented represent the first analysis of the hematozoa of passeriforms for the New Brunswick region and may serve as baseline information for future studies using the prevalence of avian hematozoa as a criterion of environmental quality.
Published Version
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