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Grazing on the Crustose Coralline Alga Lithophyllum yessoense by the Sea Urchin Styongylocentrotus nudus and the Limpet Acmaea pallida
エゾイシゴロモ(殻状無節サンゴモの1種)に対するキタムラサキウニ及びユキノカサガイの摂食
1992
Benthos research
エゾイシゴロモ(殻状無節サンゴモの1種)に対するキタムラサキウニ及びユキノカサガイの摂食
Lithophyllum yessoense, a dominant crustose coralline alga on lsoyake (urchin-dominated barren) ground in southwestern Hokkaido, was experimentally fed to the sea urchin Strongylocentrotus nudus (3cm in test diameter) and the limpet Acmaea pallida (2cm in shell length) in the laboratory. Grazing marks of the urchin were composed of pentagonally-arranged five strips, and scattered on the crust surface. The wound was 0.01mm deep within sacrificial epithallium, and crust surface of 0.20mm2 was
doi:10.5179/benthos1990.1992.42_49
fatcat:maic3jumdvee3o2u52cwlneqla