Ocean and Polar Research

  • 제27권1호
  • /
  • Pages.67-74
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  • 2005
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  • 1598-141X(pISSN)
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  • 2234-7313(eISSN)
한국해양과학기술원 (Korea Institute of Ocean Science & Technology)
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남해 연안에 생육하는 거머리말(Zostera marina L.) 개체군의 생물계절학과 생식 능력

Phenology and Reproductive Effort of Two Zostera marina L. Populations on the Southern Coast of Korea

  • 이상룡 (한양대학교 과학기술대학 해양환경과학과) ;
  • 이성미 (한양대학교 과학기술대학 해양환경과학과) ;
  • 최청일 (한양대학교 과학기술대학 해양환경과학과)
  • Lee, Sang-Yong (Department of Earth and Marine Sciences, College of Science and Technology Hanyang University) ;
  • Lee, Sung-Mi (Department of Earth and Marine Sciences, College of Science and Technology Hanyang University) ;
  • Choi, Chung-Il (Department of Earth and Marine Sciences, College of Science and Technology Hanyang University)
  • 발행 : 2005.03.31
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초록

남해안의 동대만과 앵강만에 생육하는 거머리말 개체군의 생물계절학과 생식 능력을 2002년 9월부터 2003년 8월까지 조사하였다. 동대만의 퇴적물 입도는 앵강만보다 세립하였으며, 퇴적물의 유기물 함량도 유의하게 높았다. 동대만의 수온은 $7.5^{\circ}C$(2월)에서 $25.5^{\circ}C$(8월)까지 분포하였으며, 앵강만은$6.7^{\circ}C$(2월)에서부터 $25.2^{\circ}C$(9월)까지 분포하였다. 두 지역의 거머리말 개체군은 다년생의 생활사를 보였으며, 생식지의 생식 능력들은 동대만이 앵강만보다 유의하게 높았다. 동대만의 생식지는 2003년 2월부터 6월까지 출현하였으나, 앵강만에서는 2003년 3월부터 6월까지 출현하였다. 동대만에서 생식지의 생육밀도는 $11{\sim}33%$를 차지하였으나, 동대만에서는 5% 이하로 나타났다. 생식지의 구조적인 특징은 육수화서 내 열매와 종자 수를 제외하고 동대만에서 유의하게 높았다. 두 생육지에서 거머리말 개체군의 생식 단계의 출현 시기는 수온과 관계하는 것으로 사료되었다.

The phonology and reproductive effort of Zostera marina L. (Dongdae Bay and Aenggang Bay) on the southern coast of Korea were investigated from September 2002 to August 2003. The Dongdae Bay(DB) exhibited a finer sediment grain size with richer organic content than the Aenggang Bay(AB). Water temperature at DB site ranged from $7.5^{\circ}C$ in February to $25.5^{\circ}C$ in August, while water temperature at AB site ranged rrom $6.7^{\circ}C$ in February to $25.2^{\circ}C$ in september. Both populations exhibited a perennial lifB span, but the sexual reproductive effort was significantly higher at DB than AB. The reproductive shoots of DB site were developed from February to June 2003, while those of AB site from March to June 2003. At DB site, the frequency of reproductive shoot ranged from 11 to 33%, whereas reproductive shoot of AB did below 5%. Reproductive structures were larger and more abundant at DB, with the exception of number of fruits and seeds per spadix. Water temperature seems most important to regulate the timing of reproductive phase of Z. marina populations for two study sites.

키워드

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피인용 문헌

  1. Trophic importance of meiofauna to polychaetes in a seagrass (Zostera marina) bed as traced by stable isotopes vol.94, pp.01, 2014, https://doi.org/10.1017/S0025315413001148
  2. Seasonal Changes of Community Structure of Phytoplankton in Three Korean Seagrass Beds vol.28, pp.2, 2006, https://doi.org/10.4217/OPR.2006.28.2.095
  3. Population analysis of eelgrass, Zostera marina L. in Geojedo, Gaedo, and Jedo on the southern coastal water of Korea using RAPD-PCR vol.17, pp.4, 2007, https://doi.org/10.5352/JLS.2007.17.4.455
  4. Trophic transfer between coastal habitats in a seagrass-dominated macrotidal embayment system as determined by stable isotope and fatty acid signatures vol.64, pp.12, 2013, https://doi.org/10.1071/MF12327