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KMID : 0382420040300020104
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Korean Journal of Environmental Health Society
2004 Volume.30 No. 2 p.104 ~ p.107
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The Effects of pH on Early Embryo Development of Sea Urchins
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Yu Chun-Man
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Abstract
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This study was conducted to evaluate the effects of pH, using gametes, embryos and early development system of three sea urchins species, Hemicentrotus pulcherrimus, Anthocidaris crassispina and Scaphechinus brevis. As the result of performing effects of pH on early embryo development, the conditions of appropriate pH on formation of normal pluteus were pH 7.0-8.0 for H. pulcherrimus, A. crassispina and S. brevis. Otherwise, the conditions of pH 5.0, pH 6.0, pH 9.0 and pH 10.0 damaged the development of early embryos of each testing animal moderately or strongly.
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