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Mammalia

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Microgeographical distribution of shrews (Mammalia, Soricidae) in the Congo River basin (Kisangani, D.R. Congo)

Mbalitini Gambalemoke1 / Itoka Mukinzi2 / Drazo Amundala3 / Tungaluna Gembu4 / Kyamakya Kaswera5 / Gatate-Banda Katuala6 / Akaibe Dudu7 / Patrick Barrière8 / Marc Colyn9 / Rainer Hutterer10 / Jan Kennis11 / Herwig Leirs12 / Bie Vanlinden13 / Erik Verheyen14

1Université de Kisangani, Laboratoire d'Ecologie et de Gestion des Ressources Animales (LEGERA), B.P. 2012 Kisangani, R.D. Congo

2Université de Kisangani, Laboratoire d'Ecologie et de Gestion des Ressources Animales (LEGERA), B.P. 2012 Kisangani, R.D. Congo

3Université de Kisangani, Laboratoire d'Ecologie et de Gestion des Ressources Animales (LEGERA), B.P. 2012 Kisangani, R.D. Congo

4Université de Kisangani, Laboratoire d'Ecologie et de Gestion des Ressources Animales (LEGERA), B.P. 2012 Kisangani, R.D. Congo

5Université de Kisangani, Laboratoire d'Ecologie et de Gestion des Ressources Animales (LEGERA), B.P. 2012 Kisangani, R.D. Congo

6Université de Kisangani, Laboratoire d'Ecologie et de Gestion des Ressources Animales (LEGERA), B.P. 2012 Kisangani, R.D. Congo

7Université de Kisangani, Laboratoire d'Ecologie et de Gestion des Ressources Animales (LEGERA), B.P. 2012 Kisangani, R.D. Congo

8Université de Rennes 1, UMR 6553 – CNRS, Ecosystèmes, Biodiversité et Evolution, Station Biologique de Paimpont, F-35380, France

9Université de Rennes 1, UMR 6553 – CNRS, Ecosystèmes, Biodiversité et Evolution, Station Biologique de Paimpont, F-35380, France

10Zoologisches Forschungsmuseum Alexander Koenig, Adenauerallee 160, D-53113 Bonn, Germany

11Evolutionary Ecology Group, Universiteit Antwerpen, Groenenborgerlaan 171, B-2020 Antwerpen, Belgium

12Evolutionary Ecology Group, Universiteit Antwerpen, Groenenborgerlaan 171, B-2020 Antwerpen, Belgium and Danish Pest Infestation Laboratory, University of Aarhus, Faculty of Agricultural Sciences, Department of Integrated Pest Management, Skovbrynet 14, DK-2800 Kongens Lyngby, Denmark

13Evolutionary Ecology Group, Universiteit Antwerpen, Groenenborgerlaan 171, B-2020 Antwerpen, Belgium

14Royal Belgian Institute of Natural Sciences (RBINS), Vertebrate Department, Molecular Laboratory, Vautierstaat 29, Brussels, Belgium

Corresponding author ;

Citation Information: mammalia. Volume 72, Issue 3, Pages 213–222, ISSN (Online) 1864-1547, ISSN (Print) 0025-1461, DOI: 10.1515/MAMM.2008.043, October 2008

Publication History

Published Online:
2008-10-06

Abstract

Research on the biodiversity of shrews was conducted in eight forest blocks at eight sampling localities: Djabir, Maiko, Masako, Yoko, Yelenge, Baliko, Bomane-1 and Bomane-2. We used pitfall traps combined with Sherman LFA traps placed on transects. We collected 724 shrews from primary forests, secondary forests, old fallow lands and old palm plantation for a total of 18,900 trap-nights. Shrews collected represent 5 genera and at least 19 species: Scutisorex (1 species), Crocidura (12 species), Paracrocidura (2 species), Sylvisorex (3 species) and Suncus (1 species). Sylvisorex nov. sp. is currently being described as a new species for the Kisangani region. Primary forests (16 species), secondary forests (17 species) and old fallow lands (16 species) are the habitats with higher species diversity. In an old palm plantation, only five species have been collected. Crocidura olivieri was caught in all types of prospected habitats. C. cf muricauda was only caught in old palm plantation and C. grassei only in old fallow land. Sylvisorex johnstoni was caught mainly in primary forest. Species composition is different for the different forest blocks studied, possibly indicating some influence of the larger rivers separating our sampling localities as natural barriers.

Keywords: Congo River basin; Crocidura; microgeography

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