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Hunger and the Capture of Grayling and Char
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Arctic grayling, Thymallus arcticus, and Arctic char, Salvelinus alpinus, were collected by angling and seining in remote areas of northern Yukon Territory. Stomach samples were observed to test the hypothesis that fish caught by angling had eaten less food than those caught by seining. The hypothesis was supported by the data for grayling. The data for char were consistent with the hypothesis, but the results were not statistically significant. There was no difference in the sex ratio of fish caught by the two methods. Angling selected larger char than did seining, but there was no evidence of size selection in grayling.
Title: Hunger and the Capture of Grayling and Char
Description:
Arctic grayling, Thymallus arcticus, and Arctic char, Salvelinus alpinus, were collected by angling and seining in remote areas of northern Yukon Territory.
Stomach samples were observed to test the hypothesis that fish caught by angling had eaten less food than those caught by seining.
The hypothesis was supported by the data for grayling.
The data for char were consistent with the hypothesis, but the results were not statistically significant.
There was no difference in the sex ratio of fish caught by the two methods.
Angling selected larger char than did seining, but there was no evidence of size selection in grayling.
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