Feeding Traces on the Kelp Laminaria religiosa by Four Species of Small Herbivorous Gastropods
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- NAKATA Kazuyoshi
- Graduate School of Fisheries Sciences, Hokkaido University
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- YAMAZAKI Tomoyasu
- Graduate School of Fisheries Sciences, Hokkaido University
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- MIZUTA Hiroyuki
- Graduate School of Fisheries Sciences, Hokkaido University
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- KAWAI Tadashi
- Hokkaido Nuclear Energy Environmental Research Center
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- ITO Hiroshi
- Hokkaido National Fisheries Research Institute
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- GOSHIMA Seiji
- Graduate School of Fisheries Sciences, Hokkaido University
Bibliographic Information
- Other Title
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- ホソメコンブに見られる植食性小型巻貝4種による摂餌痕跡
- ホソメコンブ ニ ミラレル ショクショクセイ コガタ マキガイ 4シュ ニ ヨル セツジ コンセキ
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Abstract
To clarify the effects of small herbivorous gastropods on the kelp Laminaria religiosa, we examined feeding traces left on the kelp by gastropods, and the morphology of gastropod radula. We conducted laboratory experiments with four species of the small herbivorous gastropods, Chlorostoma lischkei, Omphalius rusticus rusticus, Homalopoma amussitatum and Littorina sitkana, which frequently occur in habitats of L. religiosa in Hokkaido, Japan, to examine feeding traces left on a sheet of kelp gametophytes settled on styrene chambers or glass slides. In the experiments, all gastropod species fed on the kelp gametophytes both on the styrene chamber and the glass slide. We observed species-specific differences in feeding traces among gastropod species that were considered to be because of differences in the species-specific morphology and size of their radula and differences in feeding patterns. We observed similar traces in adult L. religiosa collected from its natural habitat in Esashi, Hokkaido, to those in our laboratory experiments, suggesting that the four gastropod species used in this study feed on the surface of the adult kelp.
Journal
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- Aquaculture Science
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Aquaculture Science 54 (2), 217-224, 2006
Japanese Society for Aquaculture Science
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Details 詳細情報について
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- CRID
- 1390282679694965120
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- NII Article ID
- 10017620499
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- NII Book ID
- AN00124667
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- ISSN
- 21850194
- 03714217
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- NDL BIB ID
- 8018875
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- Text Lang
- ja
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- Data Source
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- JaLC
- IRDB
- NDL
- CiNii Articles
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- Abstract License Flag
- Disallowed