COMUNIDADES DE MICROMAMÍFEROS DE BOSQUE SERRANO Y PASTIZAL DE ALTURA EN LA SIERRA CHICA, CORDOBA, ARGENTINA SMALL MAMMAL COMMUNITIES OF MOUNTAIN FOREST AND GRASSLAND IN SIERRA CHICA, CORDOBA, ARGENTINA
作者： Mariano Sironi , Liliana Giraudo , Gregorio Gavier , Maura Kufner , Mariana Altrichter
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摘要: Composition, relative abundance, species diversity and relation with habitat structure of small mammal communities the Sierras Chicas were studied in grassland forest vegetation layers La Quebrada Reserve, Cordoba, Argentina. Traps set two 30 spot grids for three consecutive nights, seasonally from spring 1991 to winter 1993. Seven Muridae captured: Akodon azarae, A. dolores, Calomys musculinus, C. venustus, Necromys benefactus, Phyllotys xanthopygus Oxymycterus rufus, Didelphidae: Monodelphis dimidiata Thylamys elegans. The reserve is zoogeographically representative Sierras’ mammalian fauna, it has a particular composition respect other provincial localities. Six caught grassland, major contribution benefactus. y dimidiata. P. was most abundant forest. Small different both habitats (Czekanowki I. = 0.009). Relative abundance specific higher grassland. Murids augmented autumnwinter Didelphids summer-autumn. Habitat use related cover analysis revealed forbs grasses' (between 0.11 0.40 m high) as important layer predict mammals (R²= 0.74; P< 0.04).
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