Viewpoint: the logic of using tracks and signs in predation incidents where bears are suspected.

Based 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 tra...

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Bibliographic Details
Main Author: Mysterud, I.
Format: Article in Journal/Newspaper
Language:English
Published: Rangeland Ecology & Management / Journal of Range Management Archives 1994
Subjects:
Online Access:https://journals.uair.arizona.edu/index.php/jrm/article/view/8913
Description
Summary:Based 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.