Browsing Journal of Range Management, Volume 47, Number 2 (March 1994) by Subjects
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Viewpoint: The logic of using tracks and signs in predation incidents where bears are suspectedBased on recent circumstances in connection with compensation of livestock killed by large, protected carnivores in Norway, this paper discusses what type of logic should be used to establish which animal is the perpetrator. We suggest that the use of a "modus tollens" logic based upon tracks and signs which are not found at the site is invalid for management purposes. Instead, we suggest "modus ponens" logic based upon what is actually found by a carcass.