Soil Testate Amoebae and Diatoms as Bioindicators of an Old Heavy Metal Contaminated Floodplain in Japan
Soil protists are rarely included in ecotoxicological investigations, despite their fundamental role in ecological processes. Moreover, testate amoebae and diatoms contribute considerably to silicon fluxes in soils. We investigated the effects of heavy metals on testate amoebae (species and individu...
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| Veröffentlicht in: | Microbial ecology 2020-01, Vol.79 (1), p.123-133 |
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| creator | Wanner, Manfred Birkhofer, Klaus Fischer, Thomas Shimizu, Miki Shimano, Satoshi Puppe, Daniel |
| description | Soil protists are rarely included in ecotoxicological investigations, despite their fundamental role in ecological processes. Moreover, testate amoebae and diatoms contribute considerably to silicon fluxes in soils. We investigated the effects of heavy metals on testate amoebae (species and individual densities) and diatoms (individual densities) in aged soils of a floodplain (Watarase retarding basin, Japan) taking soil samples from two unpolluted reference sites and two polluted sites. The total concentrations of Cu, Pb, and Zn in soil were higher at the polluted sites as compared with the reference sites. The available concentrations of Co, Cu, and Zn in CaCl₂ extracts were higher at the polluted sites but available Pb was not detectable. Testate amoeba taxonomic richness was higher in the reference sites (45/38 taxa) than in the polluted sites (36/27 taxa). The reference sites had higher diatom and amoeba densities than the polluted sites. There was a significant negative correlation between total testate amoeba density and heavy metal concentration (available Co), while significant negative correlations were found between diatom density and Co, Cu, and Zn (available and total concentration). Densities of Cyclopyxis kahli cyclostoma, Centropyxis spp., and Trinema complanatum were negatively correlated to concentrations of available heavy metals. The observed decrease in individual numbers due to heavy metal pollution resulted in a considerable decline in protozoic (testate amoebae) and protophytic (pennate diatoms) silicon pools. Our data suggest that heavy metal pollution affects biogeochemical cycling in this system. |
| doi_str_mv | 10.1007/s00248-019-01383-x |
| format | Article |
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Moreover, testate amoebae and diatoms contribute considerably to silicon fluxes in soils. We investigated the effects of heavy metals on testate amoebae (species and individual densities) and diatoms (individual densities) in aged soils of a floodplain (Watarase retarding basin, Japan) taking soil samples from two unpolluted reference sites and two polluted sites. The total concentrations of Cu, Pb, and Zn in soil were higher at the polluted sites as compared with the reference sites. The available concentrations of Co, Cu, and Zn in CaCl₂ extracts were higher at the polluted sites but available Pb was not detectable. Testate amoeba taxonomic richness was higher in the reference sites (45/38 taxa) than in the polluted sites (36/27 taxa). The reference sites had higher diatom and amoeba densities than the polluted sites. There was a significant negative correlation between total testate amoeba density and heavy metal concentration (available Co), while significant negative correlations were found between diatom density and Co, Cu, and Zn (available and total concentration). Densities of Cyclopyxis kahli cyclostoma, Centropyxis spp., and Trinema complanatum were negatively correlated to concentrations of available heavy metals. The observed decrease in individual numbers due to heavy metal pollution resulted in a considerable decline in protozoic (testate amoebae) and protophytic (pennate diatoms) silicon pools. Our data suggest that heavy metal pollution affects biogeochemical cycling in this system.</description><identifier>ISSN: 0095-3628</identifier><identifier>EISSN: 1432-184X</identifier><identifier>DOI: 10.1007/s00248-019-01383-x</identifier><identifier>PMID: 31079198</identifier><language>eng</language><publisher>New York: Springer Science + Business Media</publisher><subject>Amoeba ; Amoeba - growth & development ; Amoeba - metabolism ; Bacillariophyceae ; Biogeochemical cycles ; Biogeochemistry ; Bioindicators ; Biomedical and Life Sciences ; Biomonitoring ; Calcium chloride ; Cobalt ; Copper ; Copper - analysis ; Copper - metabolism ; Correlation ; Density ; Detention basins ; Diatoms ; Diatoms - growth & development ; Diatoms - metabolism ; Ecological monitoring ; Ecology ; Ecotoxicology ; Environmental Biomarkers ; Environmental Monitoring ; Floodplains ; Floods ; Fluxes ; Geoecology/Natural Processes ; Heavy metals ; Indicator organisms ; Indicator species ; Japan ; Lead ; Lead - analysis ; Lead - metabolism ; Life Sciences ; Metal concentrations ; Metals, Heavy - analysis ; Metals, Heavy - metabolism ; Microbial Ecology ; Microbiology ; Nature Conservation ; Plankton ; Pollution ; Protists ; Silicon ; Soil ; Soil - chemistry ; Soil - parasitology ; Soil contamination ; Soil investigations ; SOIL MICROBIOLOGY ; Soil Pollutants - analysis ; Soil Pollutants - metabolism ; Soil pollution ; Soil testing ; Soils ; Taxa ; Water Quality/Water Pollution ; Zinc ; Zinc - analysis ; Zinc - metabolism</subject><ispartof>Microbial ecology, 2020-01, Vol.79 (1), p.123-133</ispartof><rights>Springer Science+Business Media, LLC, part of Springer Nature 2019</rights><rights>Microbial Ecology is a copyright of Springer, (2019). All Rights Reserved.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c397t-55400fc94aeeecb5b97acee3ffa2630c905b0dfcb566889954af76076552625f3</citedby><cites>FETCH-LOGICAL-c397t-55400fc94aeeecb5b97acee3ffa2630c905b0dfcb566889954af76076552625f3</cites><orcidid>0000-0002-9574-8585</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.jstor.org/stable/pdf/48739910$$EPDF$$P50$$Gjstor$$H</linktopdf><linktohtml>$$Uhttps://www.jstor.org/stable/48739910$$EHTML$$P50$$Gjstor$$H</linktohtml><link.rule.ids>314,777,781,800,27905,27906,41469,42538,51300,57998,58231</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/31079198$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Wanner, Manfred</creatorcontrib><creatorcontrib>Birkhofer, Klaus</creatorcontrib><creatorcontrib>Fischer, Thomas</creatorcontrib><creatorcontrib>Shimizu, Miki</creatorcontrib><creatorcontrib>Shimano, Satoshi</creatorcontrib><creatorcontrib>Puppe, Daniel</creatorcontrib><title>Soil Testate Amoebae and Diatoms as Bioindicators of an Old Heavy Metal Contaminated Floodplain in Japan</title><title>Microbial ecology</title><addtitle>Microb Ecol</addtitle><addtitle>Microb Ecol</addtitle><description>Soil protists are rarely included in ecotoxicological investigations, despite their fundamental role in ecological processes. Moreover, testate amoebae and diatoms contribute considerably to silicon fluxes in soils. We investigated the effects of heavy metals on testate amoebae (species and individual densities) and diatoms (individual densities) in aged soils of a floodplain (Watarase retarding basin, Japan) taking soil samples from two unpolluted reference sites and two polluted sites. The total concentrations of Cu, Pb, and Zn in soil were higher at the polluted sites as compared with the reference sites. The available concentrations of Co, Cu, and Zn in CaCl₂ extracts were higher at the polluted sites but available Pb was not detectable. Testate amoeba taxonomic richness was higher in the reference sites (45/38 taxa) than in the polluted sites (36/27 taxa). The reference sites had higher diatom and amoeba densities than the polluted sites. 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Our data suggest that heavy metal pollution affects biogeochemical cycling in this system.</description><subject>Amoeba</subject><subject>Amoeba - growth & development</subject><subject>Amoeba - metabolism</subject><subject>Bacillariophyceae</subject><subject>Biogeochemical cycles</subject><subject>Biogeochemistry</subject><subject>Bioindicators</subject><subject>Biomedical and Life Sciences</subject><subject>Biomonitoring</subject><subject>Calcium chloride</subject><subject>Cobalt</subject><subject>Copper</subject><subject>Copper - analysis</subject><subject>Copper - metabolism</subject><subject>Correlation</subject><subject>Density</subject><subject>Detention basins</subject><subject>Diatoms</subject><subject>Diatoms - growth & development</subject><subject>Diatoms - metabolism</subject><subject>Ecological monitoring</subject><subject>Ecology</subject><subject>Ecotoxicology</subject><subject>Environmental Biomarkers</subject><subject>Environmental 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Testate Amoebae and Diatoms as Bioindicators of an Old Heavy Metal Contaminated Floodplain in Japan</title><author>Wanner, Manfred ; Birkhofer, Klaus ; Fischer, Thomas ; Shimizu, Miki ; Shimano, Satoshi ; Puppe, Daniel</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c397t-55400fc94aeeecb5b97acee3ffa2630c905b0dfcb566889954af76076552625f3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Amoeba</topic><topic>Amoeba - growth & development</topic><topic>Amoeba - metabolism</topic><topic>Bacillariophyceae</topic><topic>Biogeochemical cycles</topic><topic>Biogeochemistry</topic><topic>Bioindicators</topic><topic>Biomedical and Life Sciences</topic><topic>Biomonitoring</topic><topic>Calcium chloride</topic><topic>Cobalt</topic><topic>Copper</topic><topic>Copper - analysis</topic><topic>Copper - metabolism</topic><topic>Correlation</topic><topic>Density</topic><topic>Detention 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Moreover, testate amoebae and diatoms contribute considerably to silicon fluxes in soils. We investigated the effects of heavy metals on testate amoebae (species and individual densities) and diatoms (individual densities) in aged soils of a floodplain (Watarase retarding basin, Japan) taking soil samples from two unpolluted reference sites and two polluted sites. The total concentrations of Cu, Pb, and Zn in soil were higher at the polluted sites as compared with the reference sites. The available concentrations of Co, Cu, and Zn in CaCl₂ extracts were higher at the polluted sites but available Pb was not detectable. Testate amoeba taxonomic richness was higher in the reference sites (45/38 taxa) than in the polluted sites (36/27 taxa). The reference sites had higher diatom and amoeba densities than the polluted sites. There was a significant negative correlation between total testate amoeba density and heavy metal concentration (available Co), while significant negative correlations were found between diatom density and Co, Cu, and Zn (available and total concentration). Densities of Cyclopyxis kahli cyclostoma, Centropyxis spp., and Trinema complanatum were negatively correlated to concentrations of available heavy metals. The observed decrease in individual numbers due to heavy metal pollution resulted in a considerable decline in protozoic (testate amoebae) and protophytic (pennate diatoms) silicon pools. Our data suggest that heavy metal pollution affects biogeochemical cycling in this system.</abstract><cop>New York</cop><pub>Springer Science + Business Media</pub><pmid>31079198</pmid><doi>10.1007/s00248-019-01383-x</doi><tpages>11</tpages><orcidid>https://orcid.org/0000-0002-9574-8585</orcidid></addata></record> |
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| subjects | Amoeba Amoeba - growth & development Amoeba - metabolism Bacillariophyceae Biogeochemical cycles Biogeochemistry Bioindicators Biomedical and Life Sciences Biomonitoring Calcium chloride Cobalt Copper Copper - analysis Copper - metabolism Correlation Density Detention basins Diatoms Diatoms - growth & development Diatoms - metabolism Ecological monitoring Ecology Ecotoxicology Environmental Biomarkers Environmental Monitoring Floodplains Floods Fluxes Geoecology/Natural Processes Heavy metals Indicator organisms Indicator species Japan Lead Lead - analysis Lead - metabolism Life Sciences Metal concentrations Metals, Heavy - analysis Metals, Heavy - metabolism Microbial Ecology Microbiology Nature Conservation Plankton Pollution Protists Silicon Soil Soil - chemistry Soil - parasitology Soil contamination Soil investigations SOIL MICROBIOLOGY Soil Pollutants - analysis Soil Pollutants - metabolism Soil pollution Soil testing Soils Taxa Water Quality/Water Pollution Zinc Zinc - analysis Zinc - metabolism |
| title | Soil Testate Amoebae and Diatoms as Bioindicators of an Old Heavy Metal Contaminated Floodplain in Japan |
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