ESTIMATION OF EUROPEAN OTTER (LUTRA LUTRA) POPULATION SIZE BY FECAL DNA TYPING IN SOUTHERN ITALY
作者： Claudio Prigioni , Luigi Remonti , Alessandro Balestrieri , Silvia Sgrosso , Giuseppe Priore
DOI: 10.1644/05-MAMM-A-294R1.1
关键词: Ecology 、 National park 、 Otter 、 Mustelidae 、 Biology 、 Population 、 Veterinary medicine 、 Lutra 、 Microsatellite 、 Population size 、 European otter
摘要: Population size of European otters (Lutra lutra) was estimated in Pollino National Park (southern Italy) by genetic typing fresh feces collected the field. Of 187 fecal samples gathered, 185 (98.9%) yielded otter DNA, 77 (41.2%) were successfully typed, and 23 different genotypes identified. A nonlinear regression between number typed spraints cumulative identified repeated after randomization sample until it gave an population 34‐37 animals (0.18‐0.20 otters/km watercourse). The applied method represents a valuable conservation tool, combining advantages indirect survey with accuracy exhaustive census.
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