Spacing pattern of introduced female raccoons (<i>Procyon lotor</i>) in Hokkaido, Japan

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  • Suzuki Toru
    Laboratory of Boreal Forest Conservation, Field Science Center for Northern Biosphere, Hokkaido University
  • Aoi Toshiki
    Forest Science Division, Faculty of Agriculture, Iwate University
  • Maekawa Koji
    Laboratory of Boreal Forest Conservation, Field Science Center for Northern Biosphere, Hokkaido University

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  • Spacing pattern of introduced female raccoons (Procyon lotor) in Hokkaido, Japan

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We tracked six female raccoons (Procyon lotor) from June 1997 to October 1999 on the in Hokkaido, Japan and examined the distribution of home range characteristics, habitat selection, and interaction among individuals to identify the factors that affect seasonal spacing patterns. Female raccoons maintained home ranges throughout the year. Habitat use changed seasonally, with frequent use of wetlands and riparian areas between March and August, and higher use of forests from September to December. Home ranges overlapped broadly, but the core areas were generally exclusive of each other. Female raccoons are likely to have stable home ranges through a year to secure the various resources (food, water, and resting site) that are required and select the habitat associated with food resource available within each home range. This spacing pattern among female raccoons was similar to that in their native habitat and was consistent with the general mammalian pattern where female distribution was affected by resources. The control of this non-native species should focus on the aquatic areas during spring to summer.<br>

Journal

  • Mammal Study

    Mammal Study 28 (2), 121-128, 2003

    THE MAMMAL SOCIETY OF JAPAN

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