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The Life Cycle and Secondary Production of Nemoura gemma Ham and Lee (1998) in a High Mountain Stream in Korea
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  • The Life Cycle and Secondary Production of Nemoura gemma Ham and Lee (1998) in a High Mountain Stream in Korea
  • The Life Cycle and Secondary Production of Nemoura gemma Ham and Lee (1998) in a High Mountain Stream in Korea
저자명
Chung. Keun
간행물명
한국하천호수학회지= Korean journal of limnology
권/호정보
2010년|43권 1호|pp.19-23 (5 pages)
발행정보
한국하천호수학회
파일정보
정기간행물|ENG|
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이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
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기타언어초록

Life cycle and secondary production of Nymphs of Nemoura gemma Ham and Lee were estimated by using specimens collected from a stream in Mt. Jumbong in the central Korean peninsula. N. gemma in the study stream was univoltine. Youngest nymphs were collected in April. They appeared to grow continuously until the emergence in early spring next year. The cohort production interval for the species was estimated as 399 days. The annual secondary production (ash free dry weight) estimated by removal-summation and the size-frequency methods were 582 and $786;mg;m^{-2};yr^{-1}$, respectively. Gut content analysis showed that N. gemma was a shredder.