지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
초록· 키워드
오류제보하기
To overcome the stream fragmentation and blockage of migration of fishes by damsand weirs, fishways are commonly installed. However, limited studies were conducted for effectivenessand suitability of fishways installed in Korean streams. In this study, we investigated fishusages (by time periods, locations and months) of the Ice Harbor type fishway installed in theGongju weir using traps. The monitoring were monthly conducted from June to October, 2012.
The number of individuals which used fishway in September and October decreased than in Juneto August. Although no statistical significance was identified, many numbers of species and individualswere occurred at the trap installed at the left end of fishway than others. Fishes of morediverse size classes occurred at this trap as well. The number of collected individuals and waterlevel of weir were positively correlated though they showed low correlation coefficient. Conversely,occurrence rate of fishes smaller than 70 mm of total length decreased with increasing waterlevel of weir. fishway usage time of fish were different depends on ecological characteristics ofeach species. Various sizes of fishes can use fishway for their upstream migration. These resultsare useful for establishing management and evaluation plans of Ice Harbor type fishway in S.
Korea.
목차
등록된 정보가 없습니다.
참고문헌 (31)
참고문헌 신청
Barry T. / 1986 / Attraction of adult American shad to fish lifts at Holyoke dam, Connecticut river / N. Am. J. Fish. Manag 6 : 233 ~ 241
Breton F. / 2013 / Flow in nature-like fishway and its relation to fish behaviour / Can. J. Civ. Eng 40 : 567 ~ 573
Brodersen J. / 2011 / Interplay between temperature., fish partial migration and trophic dynamics / Oikos 120 : 1838 ~ 1846
Bunt CM. / 2001 / Fishway entrance modifications enhance fish attraction / Fish. Manag. Ecol 8 : 95 ~ 105
Clay CH. / 1995 / Design of Fishways and Other Fish Facilities / Lewis Publishers
Breton F. / 2013 / Flow in nature-like fishway and its relation to fish behaviour / Can. J. Civ. Eng 40 : 567 ~ 573
Brodersen J. / 2011 / Interplay between temperature., fish partial migration and trophic dynamics / Oikos 120 : 1838 ~ 1846
Bunt CM. / 2001 / Fishway entrance modifications enhance fish attraction / Fish. Manag. Ecol 8 : 95 ~ 105
Clay CH. / 1995 / Design of Fishways and Other Fish Facilities / Lewis Publishers
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