Journal of Marine Bioscience and Biotechnology (한국해양바이오학회지)

The Korean Society for Marine Biotechnology (한국해양바이오학회)
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Phenology of Zostera marina at Tongyeong in Southern Coast of Korea

통영 연안에 분포하는 거머리말의 계절변동과 생식특성

  • Yoon, Joon-Sik (Korea Fisheries Resources Agency) ;
  • Kim, Nam-Gil (Department of Marine Biology and Aquaculture/Institute of Marine Industry, Gyeongsang National University)
  • 윤준식 (한국수산자원공단) ;
  • 김남길 (경상대학교 해양생명과학과/해양산업연구소)
  • Received : 2019.11.22
  • Accepted : 2019.12.11
  • Published : 2019.12.31
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Abstract

We investigated the variation of morphological features, density, biomass and characteristics of reproductive shoot on Zostera marina. This species was monthly monitored and collected during a year in Tongyeong (from January 2016 to December 2016). Morphological features, biomass and density showed significantly seasonal variation (p<0.001). Dimensions of Z. marina were highest in spring and early summer but lowest in winter. Biomass and leaf density of Z. marina showed highest value in May (4,700.5 g w·wt m-2) and June (858.0 leaves m-2) respectively and lowest value in November (515.9 g w·wt m-2 and 312.0 leaves m-2). Reproductive shoot was monitored from April (13℃) to June (21℃) and grew up to ca. 200 cm. Spathe length, spadix weight, numbers and weight of fruit showed significantly different on monthly. None mature flowers were monitored in April but matured flowers, fruits were founded in May and seed releasing were occurred in June.

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