Bacterial and insect present in faeces in different natural and introduced marmot localtions [Bactéries et insectes présents dans les fèces de différent sites naturels et d'introduction de marmottes].

Résumé

The ecosystems where the populations of Marmota marmota are present is often complex and delicate. The introduction of this rodent can interfere with the availability of forge, with predator diet, with invertebrate and parasite relationship. In order to evaluate the possible role of marmots in this sense a small project was established to collect information on bacterial and insects in different population of marmots belonging to natural or introduced zones. Presence of latrines or different use of the territory for defecation, bacterial and parasite presences and insect faunal composition are researched in different location in Alps and Apennines by visual observation and traditional laboratory system. Information collected will be related with different origin of marmot population, presence of other sources of mammals’ faeces and landscape characteristic to determine the possible influence of marmot on this ecosystem parts.