Excerpt from The Canadian Field-Naturalist, 1972, Vol. 86
This paper correlates the results of the study of spring migration at p.e.pt. And at Kingston with 'the weather in eastern Ontario between April 9 and May 31, 1971. Nine meteorological cycles occurred in which a high was replaced by a depression and this in turn succeeded by another high. A description of each is tabulated together with the number of species which staged an accompanying influx.
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