Mapping and distribution of seagrass habitat using hydroacoustic technique, coastal region, South Sea of Korea

DC Field Value Language 강돈혁 - 이형빈 - 정섬규 - 2020-07-16T14:30:27Z - 2020-07-16T14:30:27Z - 2020-02-11 - 2011-11-16 -
dc.identifier.uri -
dc.description.abstract Presence or absence of seagrass habitats is one of the important indexes for reproductive activity at coastal marine ecosystems. Like other countries, the habitats in Korea were rapidly decreasing in the natural condition because of polluted water or improper coastal development. Recently, studies on the restoration of the damaged seagrass habitat are carried out in Korea. Most important thing in the restoration is to assess present condition of the habitat. Generally, the studies for assessment of the seagrass have been depended on the directed sampling using scuba diving. The methods have some limitations for survey area, depth and efficiency. As an alternative method, an application with hydroacoustic technique was applied to know vertical and spatial distribution of seagrass bed. The field surveys were conduced around coastal regions, on the South Sea of Korea, in September 2005, February and July 2006. Acoustic data were collected using high frequency transducer (420 kHz split-beam), which was installed with a towed body system. Simultaneously, in situ underwater camera data and directly sampling data with quadrate were collected. The number of acoustic transect was 23, 34 and 66 for September 2005, February and July 2006, respectively. Then, survey speed was approximately 3-4 knots. Results indicated that the seagrass beds were strongly limited to bathymetry and region. Conside -
dc.description.uri 1 -
dc.language English -
dc.publisher 아시아수산음향학회 -
dc.relation.isPartOf 2011 아시아수산음향학회 학술발표 -
dc.title Mapping and distribution of seagrass habitat using hydroacoustic technique, coastal region, South Sea of Korea -
dc.type Conference -
dc.citation.conferencePlace CC -
dc.citation.endPage 9 -
dc.citation.startPage 9 -
dc.citation.title 2011 아시아수산음향학회 학술발표 -
dc.contributor.alternativeName 강돈혁 -
dc.contributor.alternativeName 이형빈 -
dc.contributor.alternativeName 정섬규 -
dc.identifier.bibliographicCitation 2011 아시아수산음향학회 학술발표, pp.9 -
dc.description.journalClass 1 -
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Marine Domain Management Research Division > Marine Security and Safety Research Center > 2. Conference Papers
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