서식지 특성에 따른 한국산 도롱뇽 유생의 body condition에 관한 연구
A Study on Body Condition by Habitat in Larvae Korea Salamander
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초록
Scientific study has investigated the body condition differences by habitat characteristicsin larvae Korea salamander (Hynobius leechii) from March to April in 2012. To examinethe sensitivity of external environment (predation risk), we divided two groups according tohabitat characteristic; 1) Permanent pond and 2) Temporary pond. Howere, each larva wasmeasured by head width at the level of the eye (HWE), largest head width (LHW) and snout-ventlength, and we calculated the ratio of the head size by dividing HWE/LHW. As a result, larvaewere larger in permanent pond group, had a faster growth rate than in temporary pond group. When exposed to the predator, larvae in permanent pond were smaller HWE/LHW than larvaein permanent pond. Therefore, these results indicate larvae in temporary pond more sensitive tothe external environment.
Abstract
Scientific study has investigated the body condition differences by habitat characteristicsin larvae Korea salamander (Hynobius leechii) from March to April in 2012. To examinethe sensitivity of external environment (predation risk), we divided two groups according tohabitat characteristic; 1) Permanent pond and 2) Temporary pond. Howere, each larva wasmeasured by head width at the level of the eye (HWE), largest head width (LHW) and snout-ventlength, and we calculated the ratio of the head size by dividing HWE/LHW. As a result, larvaewere larger in permanent pond group, had a faster growth rate than in temporary pond group. When exposed to the predator, larvae in permanent pond were smaller HWE/LHW than larvaein permanent pond. Therefore, these results indicate larvae in temporary pond more sensitive tothe external environment.
참고문헌 (30)
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