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Preference of Physical Microhabitat on the $1^{st}$-class Endangered Species, Gobiobotia naktongensis inhabiting the Gam Stream, Tributary of the Nakdong River
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  • Preference of Physical Microhabitat on the $1^{st}$-class Endangered Species, Gobiobotia naktongensis inhabiting the Gam Stream, Tributary of the Nakdong River
  • Preference of Physical Microhabitat on the $1^{st}$-class Endangered Species, Gobiobotia naktongensis inhabiting the Gam Stream, Tributary of the Nakdong River
저자명
Seo. Jin-Won,Kim. Hee-Sung,Yi. Hye-Suk,Jeong. Sun-A
간행물명
한국하천호수학회지= Korean journal of limnology
권/호정보
2009년|42권 4호|pp.495-501 (7 pages)
발행정보
한국하천호수학회
파일정보
정기간행물|ENG|
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기타
이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
서지반출

기타언어초록

The study was conducted in 2007~2008 in order to understand preference of physical microhabitat on the $1^{st}$-class endangered species, Gobiobotia naktongensis inhabiting the Gam Stream, tributary of Nakdong River. The total number of fish caught from the study sites was 3,671 representing 7 families 24 species. There were 8 Korean endemic species including Odontobutis platycephala, and 2 introduced species (Carassius cuvieri, Micropterus salmoides) were found. According to investigation and analysis of physical microhabitat on Gobiobotia naktongensis caught in the Gam Stream, a total of 57 individuals were found at shallow depth (0.14~0.46 m) and run (0.239~0.585m $sec^{-1}$). As a result of sieve analysis, stream beds consisted of about 1% gravel and 99% sand (83.4% coarse sand, 15.6% find sand). Therefore, Gobiobotia naktongensis seemed to inhabit shallow-run with coarse sand bed than deep-pool microhabitat. The findings indicate preference of physical microhabitat on Gobiobotia naktongensis, and it is important to enhance efficiency of fish conservation and ecological restoration with understanding species-specific characteristics in microhabitat including protected species.