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3 results for “Artibeus obscurus”
Data from: Phylogeography of the dark fruit-eating bat Artibeus obscurus in the Brazilian Amazon
Artibeus obscurus (Mammalia: Chiroptera) is endemic to South America, being found in at least 18 Brazilian states. Recent studies revealed that different populations of this genus present distinct phylogeographic patterns; however, very little is known on the population genetics structure of A. obscurus in the Amazon rainforest. Here, using a fragment (1010bp) of the mitochondrial gene cytochrome b from 87 samples, we investigated patterns of genetic divergence among populations of A. obscurus from different locations in the Brazilian Amazon rainforest and compared them with other Brazilian and South American regions. Analysis of molecular variance (AMOVA), fixation index (Fst) analysis, and phylogeographic patterns showed divergence between two major monophyletic groups, each one corresponding to a geographic region associated with the Atlantic and Amazon forest biomes. The Atlantic forest clusters formed a monophyletic group with a high bootstrap support and a fragmented distribution that follows the pattern predicted by the Refuge Theory. On the other hand, a different scenario was observed for the Amazon forest, where no fragmentation was identified. The AMOVA results revealed a significant geographic heterogeneity in the distribution of genetic variation, with 70% found within populations across the studied populations (Fst values ranging from 0.05864 to 0.09673; φST = 0.55). The intrapopulational analysis revealed that one population (Bragança) showed significant evidence of population expansion, with the formation of 2 distinct phylogroups, suggesting the occurrence of a subspecies or at least a different population in this region. These results also suggest considerable heterogeneity for A. obscurus in the Amazon region.
On following pages: 190. Hairy Fruit-eating Bat (Artibeus hirsutus); 191. Fringed Fruit-eating Bat (Artibeus fimbriatus); 192. Ecuadorian Fruit-eating Bat (Artibeus aequatorialis); 193. Jamaican Fruit-eating Bat (Artibeus jamaicensis); 194. Dark Fruit-eating Bat (Artibeus obscurus); 195. Schwartz's Fruit-eating Bat (Artibeus schwartz); 196. Great Fruit-eating Bat (Artibeus lituratus); 197. Large Fruit-eating Bat (Artibeus amplus); 198. Flat-faced Fruit-eating Bat (Artibeus planirostris); 199. Rosenberg's Fruit-eating Bat (Artibeus rosenbergi); 200. Thomas's Fruit-eating Bat (Artibeus watson); 201. Toltec Fruit-eating Bat (Artibeus toltecus); 202. Pygmy Fruit-eating Bat (Artibeus phaeotis); 203. Gervais's Fruit-eating Bat (Artibeus cinereus); 204. Andersen's Fruit-eating Bat (Artibeus anderseni); 205. Little Fruit-eating Bat (Artibeusravus); 206. Aztec Fruit-eating Bat (Artibeus aztecus); 207. Bogota Fruit-eating Bat (Artibeus bogotensis); 208. Silvery Fruit-eating Bat (Artibeus glaucus); 209. Dwarf Fruit-eating Bat (Artibeus gnomus); 210. Jamaican Fig-eating Bat (Ariteus flavescens); 211. Tree Bat (Ardops nicholls); 212. Red Fruit Bat (Stenoderma rufum); 213. Wrinkle-faced Bat (Centurio senex): 214. Ipanema Broad-nosed Bat (Pygoderma bilabiatum); 215. Visored Bat (Sphaeronycteris toxophyllum); 216. Little White-shouldered Bat (Ametrida centurio); 217. Cuban Fig-eating Bat (Phyllops falcatus). in Phyllostomidae
On following pages: 190. Hairy Fruit-eating Bat (Artibeus hirsutus); 191. Fringed Fruit-eating Bat (Artibeus fimbriatus); 192. Ecuadorian Fruit-eating Bat (Artibeus aequatorialis); 193. Jamaican Fruit-eating Bat (Artibeus jamaicensis); 194. Dark Fruit-eating Bat (Artibeus obscurus); 195. Schwartz's Fruit-eating Bat (Artibeus schwartz); 196. Great Fruit-eating Bat (Artibeus lituratus); 197. Large Fruit-eating Bat (Artibeus amplus); 198. Flat-faced Fruit-eating Bat (Artibeus planirostris); 199. Rosenberg's Fruit-eating Bat (Artibeus rosenbergi); 200. Thomas's Fruit-eating Bat (Artibeus watson); 201. Toltec Fruit-eating Bat (Artibeus toltecus); 202. Pygmy Fruit-eating Bat (Artibeus phaeotis); 203. Gervais's Fruit-eating Bat (Artibeus cinereus); 204. Andersen's Fruit-eating Bat (Artibeus anderseni); 205. Little Fruit-eating Bat (Artibeusravus); 206. Aztec Fruit-eating Bat (Artibeus aztecus); 207. Bogota Fruit-eating Bat (Artibeus bogotensis); 208. Silvery Fruit-eating Bat (Artibeus glaucus); 209. Dwarf Fruit-eating Bat (Artibeus gnomus); 210. Jamaican Fig-eating Bat (Ariteus flavescens); 211. Tree Bat (Ardops nicholls); 212. Red Fruit Bat (Stenoderma rufum); 213. Wrinkle-faced Bat (Centurio senex): 214. Ipanema Broad-nosed Bat (Pygoderma bilabiatum); 215. Visored Bat (Sphaeronycteris toxophyllum); 216. Little White-shouldered Bat (Ametrida centurio); 217. Cuban Fig-eating Bat (Phyllops falcatus).
Data from: Phylogeography of the dark fruit-eating bat Artibeus obscurus in the Brazilian Amazon
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