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Detection of human‐associated bacteria in water from Akiyoshi‐do Cave, Japan.

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Title: Detection of human‐associated bacteria in water from Akiyoshi‐do Cave, Japan.
Authors: Ando, Kanato1 (AUTHOR) ando.kanato@s.nenv.k.u-tokyo.ac.jp, Murakami, Takashi2 (AUTHOR)
Source: Water Environment Research (10614303). Nov2020, Vol. 92 Issue 11, p1866-1873. 8p.
Subjects: Water Environment Federation, Caves, Tourism impact, Bacteria, Escherichia coli, Water
Geographic Terms: Japan
Abstract: Akiyoshi‐do Cave is one of the oldest and the largest show caves in Japan. Environmental alterations induced by tourism impacts have been suggested; however, only a few previous studies have investigated the impacts of tourism on the cave. In this study, enrichment culture procedures were applied to detect human‐associated bacteria (HAB) including Escherichia coli, Staphylococcus aureus, and thermo‐tolerant Bacillus spp. in cave water. Physical and bacterial parameters of water including total nitrogen, ammonia, phosphate, total number of bacteria, and total number of viable bacteria were collected as environmental factors. Escherichia coli was absent at all sites, but increased levels of total bacteria, viable bacteria, S. aureus, and thermo‐tolerant Bacillus spp. were present at high‐impact sites. Examination of the origin tracking of HAB suggested that cave tourists could be a source of HAB contamination, but other causes related to the surface land use could also contribute to HAB contamination. © 2020 Water Environment Federation Practitioner points: Detection of HAB was performed for the first time in Japanese show caves to consider tourism impacts.The greater number of HAB was detected from the tourist area than the nontourist area in the cave.It was suggested that the origin of HAB may not be limited to tourists, but may also include the surface. [ABSTRACT FROM AUTHOR]
Copyright of Water Environment Research (10614303) is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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DbLabel: Engineering Source
An: 146733619
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
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  Label: Title
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  Data: Detection of human‐associated bacteria in water from Akiyoshi‐do Cave, Japan.
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  Data: <searchLink fieldCode="JN" term="%22Water+Environment+Research+%2810614303%29%22">Water Environment Research (10614303)</searchLink>. Nov2020, Vol. 92 Issue 11, p1866-1873. 8p.
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  Data: <searchLink fieldCode="DE" term="%22Water+Environment+Federation%22">Water Environment Federation</searchLink><br /><searchLink fieldCode="DE" term="%22Caves%22">Caves</searchLink><br /><searchLink fieldCode="DE" term="%22Tourism+impact%22">Tourism impact</searchLink><br /><searchLink fieldCode="DE" term="%22Bacteria%22">Bacteria</searchLink><br /><searchLink fieldCode="DE" term="%22Escherichia+coli%22">Escherichia coli</searchLink><br /><searchLink fieldCode="DE" term="%22Water%22">Water</searchLink>
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  Label: Abstract
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  Data: Akiyoshi‐do Cave is one of the oldest and the largest show caves in Japan. Environmental alterations induced by tourism impacts have been suggested; however, only a few previous studies have investigated the impacts of tourism on the cave. In this study, enrichment culture procedures were applied to detect human‐associated bacteria (HAB) including Escherichia coli, Staphylococcus aureus, and thermo‐tolerant Bacillus spp. in cave water. Physical and bacterial parameters of water including total nitrogen, ammonia, phosphate, total number of bacteria, and total number of viable bacteria were collected as environmental factors. Escherichia coli was absent at all sites, but increased levels of total bacteria, viable bacteria, S. aureus, and thermo‐tolerant Bacillus spp. were present at high‐impact sites. Examination of the origin tracking of HAB suggested that cave tourists could be a source of HAB contamination, but other causes related to the surface land use could also contribute to HAB contamination. © 2020 Water Environment Federation Practitioner points: Detection of HAB was performed for the first time in Japanese show caves to consider tourism impacts.The greater number of HAB was detected from the tourist area than the nontourist area in the cave.It was suggested that the origin of HAB may not be limited to tourists, but may also include the surface. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Water Environment Research (10614303) is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1002/wer.1355
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        Text: English
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        PageCount: 8
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        Type: general
      – SubjectFull: Caves
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      – SubjectFull: Tourism impact
        Type: general
      – SubjectFull: Bacteria
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      – SubjectFull: Escherichia coli
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      – SubjectFull: Water
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      – SubjectFull: Japan
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      – TitleFull: Detection of human‐associated bacteria in water from Akiyoshi‐do Cave, Japan.
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            NameFull: Murakami, Takashi
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              M: 11
              Text: Nov2020
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              Y: 2020
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