ISSN : 1225-3480
유생의 발달크기에 따라 미세조류 12종에 대하여 섭취 가능성을 조사한 결과 유생의 크기에 따라 섭취 가능한 미세조류는 많은 차이를 보였다. 전체 유생크기에서 I. galban, I. aff. galbana, P. lutheri, C. ellipsoidea, N. oculata는 94.2-99.7%의 섭취율를 보였고, C. calcitrans, C. gracilis, C. simplex는 평균 각장 <TEX>$189.3{\pm}13.8{\mu}m$</TEX> 크기인 중형 각 정기 이후 90.0% 이상의 섭취율을 보였다. P. triconutum, D. tertiolecta, T. tetrathele는 평균 각장 <TEX>$65.0-100.0{\mu}m$</TEX>의 D형 유생은 섭취가 관찰되지 않았지만, 이후 유생에서는 각각 97.3-99.7%, 43.3-99.3%, 48.5-99.3% 섭취하였다. 그러나 T. weissflogii는 평균 각장 <TEX>$306.2{\pm}14.7{\mu}m$</TEX> 이상에서 1.0-1.7%의 섭취율을 보였지만, 전체 유생기동안 그의 섭취가 되지 않았다. 이상의 결과를 이용해 전체 50.0% 이상 섭취 가능한 먹이생물의 세포크기를 조사한 결과, 평균 각장 <TEX>$102.3{\mu}m$</TEX> 이하의 D형 단계는 장축과 단축 모두 <TEX>$4.6{\mu}m$</TEX> 이하, <TEX>$158.3{\mu}m$</TEX> 미만에서는 장축기준으로 <TEX>$9.3{\mu}m$</TEX> 미만까지 섭취가 가능하고, <TEX>$158.3{\mu}m$</TEX> 이상 크기는 단축 기준 <TEX>$9.3{\mu}m$</TEX>까지 섭취가 가능한 것으로 나타났다. 전제 유생기 동안 장축과 단축을 포함해서 <TEX>$10.0{\mu}m$</TEX> 이상은 섭취가 되지 않았다.
유생의 발달크기에 따라 미세조류 12종에 대하여 섭취 가능성을 조사한 결과 유생의 크기에 따라 섭취 가능한 미세조류는많은 차이를 보였다. 전체 유생크기에서 I. galban, I. aff. galbana, P. lutheri, C. ellipsoidea, N. oculata는94.2-99.7%의 섭취율를 보였고, C. calcitrans, C. gracilis,C. simplex는 평균 각장 189.3 ± 13.8 μm 크기인 중형 각정기 이 후 90.0% 이상의 섭취율을 보였다. P. triconutum,D. tertiolecta, T. tetrathele는 평균 각장 65.0-100.0 μm의D형 유생은 섭취가 관찰되지 않았지만, 이 후 유생에서는 각각 97.3-99.7%, 43.3-99.3%, 48.5-99.3% 섭취하였다. 그러나 T. weissflogii는 평균 각장 306.2 ± 14.7 μm 이상에서1.0-1.7%의 섭취율을 보였지만, 전체 유생기동안 그의 섭취가되지 않았다. 이상의 결과를 이용해 전체 50.0% 이상 섭취 가능한 먹이생물의 세포크기를 조사한 결과, 평균 각장 102.3μm 이하의 D형 단계는 장축과 단축 모두 4.6 μm 이하,158.3 μm 미만에서는 장축기준으로 9.3 μm 미만까지 섭취가 가능하고, 158.3 μm 이상 크기는 단축 기준 9.3 μm까지섭취가 가능한 것으로 나타났다. 전제 유생기 동안 장축과 단축을 포함해서 10.0 μm 이상은 섭취가 되지 않았다.
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