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Title: 和歌山県田辺湾とその近隣海域におけるムラサキイガイ個体群の激減とミドリイガイ個体群の激増(続報)
Other Titles: Sharp decrease of Mytilus galloprovincilis population and a marked increase of Perna viridis population in Tanabe Bay and its adjacent waters, Wakayama Prefecture, Japan (follow-up report)
Authors: 久保田, 信  KAKEN_name
Author's alias: Kubota, Shin
Keywords: global warming
Mytilus galloprovincialis
Perna viridis
Tanabe Bay
Issue Date: 20-Jan-2018
Publisher: 日本生物地理学会
Journal title: 日本生物地理学会会報 = Bulletin of the Biogeographical Society of Japan
Volume: 72
Start page: 223
End page: 225
Abstract: In September 2017, an extreme decrease in the population of Mytilus galloprovincialis and a contrasting increase of population of Perna viridis in Tanabe Bay and its adjacent waters in Wakayama Prefecture, Japan were confirmed. Owing to the global warming, this surprising alternation of these two introduced bivalve species have taken place.
和歌山県田辺湾で, 今から数十年前には多数が生息して普通種だったムラサキイガイが, 近年になって激減しそれに代わって新参の移入種のミドリイガイの激増を201l年に確認して以来の再調査を, 2017年9月に実施した. その結果, 地球温暖化によるこの交代状況がより進行したことを確認した.
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