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| Content Provider | Springer Nature Link |
|---|---|
| Author | Baghli, A. Engel, E. Verhagen, R. |
| Copyright Year | 2002 |
| Abstract | The diets of the polecatMustela putorius (Linnaeus, 1758) and the beech martenMartes foina (Erxleben, 1777) in Luxembourg were investigated by using faecal analysis and determination of gut contents. Data of the polecat (121 scats and 16 guts) were collected around the country where the populations of this species have been sharply declining over the past decades. 112 scats of the more common and widespread beech marten were collected in those areas where both mustehds were known to be present. Standard techniques were applied for analysing the data. In winter, small mammals, especially rodents, were the most abundant food for both species. Amphibians dominated the summer diet of the polecat whereas fruits were the most important resource for the beech marten during that season. The pattern of resource partitioning between the polecat and the beech marten is based on the common use of small mammals. The niche overlap of food items is however limited and appears only during winter. The adaptation allowing the use of alternative food sources might avoid the competition for food.Durch Auswertung von Kotproben und Mageninhalten wurde die Zusammensetzung der Nahrung von Iltis und Steinmarder in Luxemburg bestimmt. Das Untersuchungsgut fÜr den Iltis (121 Kotproben, 16 Magen-Darmtrakte) wurde im gesamten Land gesammelt, in dem die Bestände der Art während der vergangenen Jahrzehnte stark zurÜckgegangen sind. 112 Kotproben des häufigeren und weiter verbreiteten Steinmarders wurden in Gebieten gesammelt, in denen beide Mustelidenarten vorkommen. Die Auswertung erfolgte mittels Standardmethoden. Im Winter waren Kleinsäuger, speziell Nager, die hauptsächliche Nahrung fÜr beide Arten. Im Sommer dominierten Amphibien in der Nahrung des Iltisses, während fÜr den Steinmarder FrÜchte die wichtigste Nahrungsquelle darstellten.Der Ressourcenaufteilung zwischen Iltis und Steinmarder liegt die gemeinsame Nutzung von Kleinsäugern zugrunde. Die Überlappung der Nahrungsnischen ist jedoch gering und existiert nur im Winter. Die Möglichkeit zur Nutzung alternativer Nahrungsquellen dÜrfte eine Nahrungskonkurrenz vermeiden.L'étude des régimes alimentaires du putoisMustela putorius (Linnaeus, 1758) et de la fouineMartes foina (Erxleben, 1777) ont été menés au Luxembourg par l'analyse des fèces et des contenus stomacaux. Le matériel (121 fèces et 16 estomacs) relatif au putois a été récolté à travers tout le pays où les populations de cette espèce ont fortement baissé au cours des dernières décennies. 112 fèces de la fouine, espèce plus commune et plus répandue, ont été ramassées dans les secteurs où les deux mustélidés ont été observés. Les techniques standards d'analyse ont été appliquées. En hiver, les petits mammifères, particulièrement les rongeurs, représentaient la proie la plus abondante pour les deux espèces. Les amphibiens ont dominé le régime d'été du putois, tandis que les fruits étaient la ressource la plus importante pour la fouine pendant cette saison.Le mode de partage des ressources entre le putois et la fouine est basé sur l'utilisation commune des petits mammifères. Le recouvrement des niches alimentaires reste toutefois limité et apparaÎt seulement en hiver. Cette stratégie d'adaptation à des ressources alimentaires alternatives atténuerait la concurrence interspécifique. |
| Starting Page | 217 |
| Ending Page | 225 |
| Page Count | 9 |
| File Format | |
| ISSN | 00442887 |
| Journal | European Journal of Wildlife Research |
| Volume Number | 48 |
| Issue Number | 4 |
| e-ISSN | 14390574 |
| Language | French |
| Publisher | Springer-Verlag |
| Publisher Date | 2002-01-01 |
| Publisher Place | Berlin, Heidelberg |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Polecat Mustela putorius Beech marten Martes foina diet niche overlap Luxembourg Animal Ecology Zoology |
| Content Type | Text |
| Resource Type | Article |
| Subject | Ecology Animal Science and Zoology |
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