Habitat use and horizontal distribution of the green mussel, <i>Perna viridis</i>, in Uranouchi Inlet, Kochi Prefecture

• Yamada Chiharu

  Graduate School of Kuroshio Science, Kochi University

• Itani Gyo

  Laboratory of Marine Symbiotic Biology, Faculty of Education, Kochi University

• Ueda Hiroshi

  Laboratory of Zooplankton Ecology and Taxonomy, Usa Marine Biological Institute, Kochi University

Bibliographic Information

Other Title

• 高知県浦ノ内湾におけるミドリイガイの生息場所利用と水平分布
• コウチケン ウラノウチワン ニ オケル ミドリイガイ ノ セイソク バショ リヨウ ト スイヘイ ブンプ
• Habitat use and horizontal distribution of the green mussel, Perna viridis, in Uranouchi Inlet, Kochi Prefecture

Abstract

The green mussel, Perna viridis, is an invasive species, that has been expanding its geographic range in warmer Japanese waters recently. To elucidate its habitat use pattern, its distribution was investigated in Uranouchi Inlet, Kochi Prefecture, Japan (33º 26' N, 133º 25' E), from March to May, 2008. Intertidal surveys revealed that P. viridis uses natural rocky shores and cobble shores as well as artificial vertical seawalls and block seawalls. No difference in its abundance was detected among the four habitat types. Green mussels were more abundant in the inner bay and middle bay than in the outer bay. They were also found on floats of fish-farming rafts. The total abundance of P. viridis in Uranouchi Inlet was estimated 240,000 individuals on floats and 50,000 on intertidal shores. The distribution of another invasive mussel, Xenostrobus securis, was also surveyed in Uranouchi Inlet, along with the Japanese native mussels X. atratus, Hormomya mutabilis, Septifer bilocularis, and S. virgatus. Perna viridis overlapped with H. mutabilis and S. bilocularis. The high abundance of P. viridis and its invasion of natural shores possibly represents a threat to the indigenous mussel species community, but further ecological research is needed to evaluate the scale of this threat.

Journal

• Sessile Organisms

  Sessile Organisms 27 (1), 41-50, 2010

  THE SESSILE ORGANISMS SOCIETY OF JAPAN

Keywords

• fouling organisms
• green mussel
• <i>Perna viridis</i>
• invasive species
• habitat use

Details

• CRID: 1390001204367157120
• NII Article ID: 10026430738
• NII Book ID: AN10563630
• DOI: 10.4282/sosj.27.41
• ISSN: 18834701
• ISSN: 13424181
• NDL BIB ID: 10643563
• Web Site: https://ndlsearch.ndl.go.jp/books/R000000004-I10643563
• Web Site: https://www.jstage.jst.go.jp/article/sosj/27/1/27_41/_pdf
• Text Lang: ja
• Data Source:
  • JaLC
  • NDL
  • Crossref
  • CiNii Articles
• Abstract License Flag: Disallowed