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Lee, Ji Hyun,Sidharthan, M,Jung, Sang Mok,Jo, Qtae,Rahman, Mohammad M,Shin, Hyun Woung The Academy 2008 Journal of environmental biology Vol.29 No.4
<P>Algal spores respond to many environmental variables, especially to chemical 'cues'. This chemotactic response can be utilized to attract spores, thereby colonization of a new substrata is possible to be influenced. In this attempt, four chemoattractant candidates were screened against spores of Ulva pertusa to reveal their efficiencies. Attachment and subsequent germination of Ulva spores were effectively influenced by these chemoattractant candidates. In particular 100 microg cm2 of D-glucose coating was found to enhance spore attachment by > 150%. Furthermore, field investigations carried out with test panels, clearly indicate the chemoattractive properties of test coatings. In recent years, various anthropogenic activities and natural hazards cause detrimental impacts on the benthic algae and other fishery resources. Artificial reefs have been laid on many coastal regions to increase or restore marine resources. Chemoattractant coatings can be applied on artificial surfaces to increase the colonization of benthic forms. It also can be used in the mariculture devices. Influence of chemoattractants on Ulva spores and fouling biomass estimated on test panels are discussed.</P>
ACCUMULATION OF HEAVY METALS IN KOREAN MARINE SEAWEEDS
김신영,유용훈,임치영,진형주,유종수,신현웅,Kim, Sin-Yeong,M.Sidharthan,Yu, Yong-Hun,Im, Chi-Yeong,Jin, Hyeong-Ju,Yu, Jong-Su,Sin, Hyeon-Ung The Korean Society of Phycology 2003 ALGAE Vol.18 No.4
This paper reports that the heavy metal accumulation in marine seaweeds. Algal samples collected from Korean coast were analyzed to determine the concentrations of Cu, Cd, Cr, Zn and Pb. In general, heavy metals were found to be concentrated in many kinds of Korean seaweeds. The concentration levels of accumulated heavy metals in the marine seaweeds was in the following order: Zn > Cu > Cr > Pb > Cd. The concentrations of the heavy metals in the seawater were the highest in Iyajin harbor. Sargassum horneri, a brown alga accumulated high concentrations of Cu (80.66 ${\mu}g{\cdot}g^{-1}$ dw) and Cr (31.54 ${\mu}g{\cdot}g^{-1}$ dw). The high concentrations of heavy metals were accumulated in the brown algae.