Use of Infrared Sensors as a New Method in Estimating Wilson's Storm Petrels' Population Density in Antarctica
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As a new method for localization of Wilson's Storm Petrel Oceanites
oceanicus (Oceanitidae) nests, an infrared sensor was used at Cierva
Point, Gerlache Strait, in the Antarctic Peninsula. It detects the
heat emitted by breeding birds beneath debris. Seven other coastal
areas with an average surface of 548 m2 were sampled. The infrared
sensor showed to be highly sensitive to the presence of birds beneath
rocks; no error sources were found. This method was compared to
another conventional method to estimate effectiveness. Besides
providing reliable density values, the use of infrared sensor has
reduced human impact on colonies because no traumatic methods were
used in order to find nests.
提供机构：
SCIOPS
