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1 September 2008 Habitat Use and Home Range of the Endangered Gold-Spotted Pond Frog (Rana chosenica)
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Abstract
Because of their complex life styles, amphibians and reptiles living in wetlands require both aquatic and terrestrial buffer zones in their protected conservation areas. Due to steep declines in wild populations, the gold-spotted pond frog (Rana chosenica) is listed as vulnerable by the IUCN. However, lack of data about its movements and use of habitat prevents effective conservation planning. To determine the habitat use and home range of this species, we radio-tracked 44 adult frogs for 37 days between 10 July and 4 Nov. 2007 to observe three different populations in the breeding season, non-breeding season, and late fall. The gold-spotted pond frog was very sedentary; its daily average movement was 9.8 m. Frogs stayed close to breeding ponds (within 6.6 m), and did not leave damp areas surrounding these ponds, except for dormancy migration to terrestrial sites such as dried crop fields. The average distance of dormancy migration of seven frogs from the edge of their breeding ponds was 32.0 m. The average size of an individual’s home range was 713.8 m2 (0.07 ha). The year-round population home range, which accounts for the home ranges of a population of frogs, was determined for two populations to be 8,765.0 m2 (0.88 ha) and 3,700.9 m2 (0.37 ha). Our results showed that to conserve this endangered species, appropriately sized wetlands and extended terrestrial buffer areas surrounding the wetlands (at least 1.33 ha, diameter 130 m) should be protected.
Nam-Yong Ra, Ha-Cheol Sung, SeoKwan Cheong, Jung-Hyun Lee, Junho Eom and Daesik Park "Habitat Use and Home Range of the Endangered Gold-Spotted Pond Frog (Rana chosenica)," Zoological Science 25(9), (1 September 2008). https://doi.org/10.2108/zsj.25.894
Received: 25 January 2008; Accepted: 1 June 2008; Published: 1 September 2008
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