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http://dx.doi.org/10.13047/KJEE.2014.28.3.281

Body Size and Age Structure of Mating Couples in Boreal Digging Frog(Kaloula borealis)  

Ko, Sang-Beom (Jeju amphibian ecology institute)
Ko, Young-Min (Jeju amphibian ecology institute)
Lee, Jeong-Hyun (National Wetlands Center, National Institute of Environment Research)
Publication Information
Korean Journal of Environment and Ecology / v.28, no.3, 2014 , pp. 281-286 More about this Journal
Abstract
This study was conducted to investigate the individual size and age of Kaloula borealis, a pair in amplexus. In June 2013, the total 23 pairs of Kaloula borealis were captured in the wetland located in Seongsan-eup and Daejeong-eup, Jeju Island. Size and age of each individual have been examined and as a result of analyzing SVL (snout-vent length), weight, length of forelimb and hindlimb of the collected 23 pairs, the females were shown to have the heavier weight and the longer SVL and hindlimb compared to males. No significant difference in the length of forelimb has been found between the female and the male. The average age of the male of the pair in amplexus was shown to be $5.17{\pm}0.26$, whereas the female was shown to be $6.22{\pm}0.28$, which indicates the higher average age in female compared to the male. The age range of Kaloula borealis was distributed from at least 3 years to 10 years at the maximum. A positive correlation was shown between age of the male and SVL; however, no significant difference was found in female. This study result expected to be utilized as an important base data in establishing the preservation and restoration strategy of endangered species, Kaloula borealis.
Keywords
AMPHIBIA; WETLAND; ANURAN; REPRODUCT; SPAWNING;
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Times Cited By KSCI : 2  (Citation Analysis)
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