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Impacts of sub-micrometer sediment particles on early-stage growth and survival of the kelp Ecklonia bicyclis
https://oacis.repo.nii.ac.jp/records/2099
https://oacis.repo.nii.ac.jp/records/2099c501e60a-0ebb-4658-997a-1f7ef3981951
Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2021-05-10 | |||||
タイトル | ||||||
タイトル | Impacts of sub-micrometer sediment particles on early-stage growth and survival of the kelp Ecklonia bicyclis | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプ | journal article | |||||
アクセス権 | ||||||
アクセス権 | metadata only access | |||||
著者 |
Matsumoto, Akira
× Matsumoto, Akira× Sato, Minami× Arakawa, Hisayuki |
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書誌情報 |
Scientific Reports 巻 10, 号 1, 発行日 2020-11 |
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抄録 | ||||||
内容記述 | Marine forests have declined in many urbanized regions in recent years. One cause is the inflow of fine particles into coastal rocky shores. We examined the influence of sub-micrometre (sub-micro) particles on the early growth stages of the large brown macrophyte Ecklonia bicyclis. The percentage of substrate attachment of zoospores decreased with an increase in sub-micro sediments. As the size of the particles decreased, the negative effect became greater. There was an increase in poor levels of gametophyte survival and growth as more and smaller sediment was deposited. We consider that the causes of these phenomena owing to increasing amounts of sediment is a decrease in availability of substrate for zoospore attachment and that of area for substance exchange on the gametophytes. We also evaluated the effects in sea areas, based on the amount and size distribution of seabed sediment in the algal communities deforested by particles, and found that the inhibition of zoospore attachment and gametophyte growth by sub-micro particles was remarkably large. The sub-micro sediment on the substrate has seriously negative effects on the early stages of macrophytes. Inflow of very fine particles to natural marine forests may result in severe degradation of rocky reef ecosystems. | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 2045-2322 | |||||
DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.1038/s41598-020-75796-x | |||||
情報源 | ||||||
関連識別子 | https://doi.org/10.1038/s41598-020-75796-x | |||||
関連名称 | Publisher's Version/PDF (OpenAccess) | |||||
情報源 | ||||||
関連識別子 | https://www.nature.com/ | |||||
関連名称 | Nature | |||||
出版者 | ||||||
出版者 | Springer Nature |