Abstract
Carrion decomposition has a significant impact on soil chemical profiles. However, soil nutrient research associated with animal carcasses in Antarctica has been relatively scarce, and the effect of penguin carrion decomposition on soil chemical composition is largely unknown. We aimed to determine Antarctica’s soil chemistry profiles associated with penguin carrion. Soil samples were collected from a penguin rookery near King Sejong Station, Barton Peninsula, King George Island, Antarctica. Dry combustion methods were used to identify soil nitrogen and sulfur, while ammonia, nitrate, and phosphate were determined colorimetrically using a spectrophotometer. In addition, total carbon, pH, electrical conductivity, soil moisture, and soil porosity were also determined. Overall, soil chemical properties were not significantly different between the stages of decomposition and the sampling locations. These findings suggest that nutrients from penguin carrion disperse and leach in limited quantities into the soil, probably due to the active scavenging activities by vertebrate scavengers and the slower decomposition rate resulting from cold temperatures in the Antarctic region.
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