Grazing-to-fencing increases alpine soil phosphorus availability by promoting phosphatase activity and regulating the phoD-harboring bacterial communities

Purpose Soil available phosphate (AP) is largely dependent on phoD -harboring bacteria, which can release alkaline phosphatase (ALP) to transform insoluble P for plant absorption. However, the way of phoD -harboring bacterial communities responding to restoration measures in alpine ecosystems, which...

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Veröffentlicht in:Journal of soils and sediments 2024-03, Vol.24 (3), p.1260-1273
Hauptverfasser: Bie, Yujing, Wang, Jie, Wang, Xiangtao, Liao, Lirong, Zhang, Chao
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container_end_page 1273
container_issue 3
container_start_page 1260
container_title Journal of soils and sediments
container_volume 24
creator Bie, Yujing
Wang, Jie
Wang, Xiangtao
Liao, Lirong
Zhang, Chao
description Purpose Soil available phosphate (AP) is largely dependent on phoD -harboring bacteria, which can release alkaline phosphatase (ALP) to transform insoluble P for plant absorption. However, the way of phoD -harboring bacterial communities responding to restoration measures in alpine ecosystems, which are among the least studied and most vulnerable ecosystems, remains largely unknown. This knowledge is fundamental for formulating effective ecosystem management and soil conservation policies. Materials and methods By combining quantitative PCR and amplicon sequencing, we examined the alterations in phoD -harboring bacterial communities across four distinct meadow types, and explored the potential environmental drivers of alpine soil P availability. Results and discussion The results indicated that the fenced and fenced + reseeded meadows exhibited higher ALP activity and soil AP content compared to the grazed meadow, but lower than that of the undegraded meadow. The fenced meadow had the highest phoD -harboring bacterial community diversity. Rare genera such as Rhizobium , Breoghania , and Actinomadura, played a critical role in regulating ALP activity. A structural equation model demonstrated that soil pH, nutrient supply (e.g., soil organic carbon, NO 3 − -N), and vegetation together drove the improvement of soil P availability by enhancing ALP activity, which was closely related to phoD -harboring bacterial communities. These findings suggest that fencing could promote alpine soil P availability by adjusting phoD -harboring bacteria and ALP activity. Conclusions Our results demonstrate the beneficial impacts of grazing-to-fencing conversion on meadows in alpine ecosystems and can contribute to the development of sustainable management strategies for degraded alpine ecosystems.
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However, the way of phoD -harboring bacterial communities responding to restoration measures in alpine ecosystems, which are among the least studied and most vulnerable ecosystems, remains largely unknown. This knowledge is fundamental for formulating effective ecosystem management and soil conservation policies. Materials and methods By combining quantitative PCR and amplicon sequencing, we examined the alterations in phoD -harboring bacterial communities across four distinct meadow types, and explored the potential environmental drivers of alpine soil P availability. Results and discussion The results indicated that the fenced and fenced + reseeded meadows exhibited higher ALP activity and soil AP content compared to the grazed meadow, but lower than that of the undegraded meadow. The fenced meadow had the highest phoD -harboring bacterial community diversity. Rare genera such as Rhizobium , Breoghania , and Actinomadura, played a critical role in regulating ALP activity. A structural equation model demonstrated that soil pH, nutrient supply (e.g., soil organic carbon, NO 3 − -N), and vegetation together drove the improvement of soil P availability by enhancing ALP activity, which was closely related to phoD -harboring bacterial communities. These findings suggest that fencing could promote alpine soil P availability by adjusting phoD -harboring bacteria and ALP activity. Conclusions Our results demonstrate the beneficial impacts of grazing-to-fencing conversion on meadows in alpine ecosystems and can contribute to the development of sustainable management strategies for degraded alpine ecosystems.</description><identifier>ISSN: 1439-0108</identifier><identifier>EISSN: 1614-7480</identifier><identifier>DOI: 10.1007/s11368-023-03709-2</identifier><language>eng</language><publisher>Berlin/Heidelberg: Springer Berlin Heidelberg</publisher><subject>Alkaline phosphatase ; Alpine environments ; Availability ; Bacteria ; Community composition ; Conserved sequence ; Earth and Environmental Science ; Ecosystem management ; Ecosystems ; Environment ; Environmental Physics ; Environmental policy ; Grazing ; Meadows ; Nucleotide sequence ; Nutrient cycles ; Organic carbon ; Organic soils ; Phosphatase ; Phosphates ; Phosphorus ; Restoration ; Sec 4 • Ecotoxicology • Research Article ; Soil chemistry ; Soil conservation ; Soil improvement ; Soil microorganisms ; Soil pH ; Soil Science &amp; Conservation ; Soils ; Species diversity ; Strategic management ; Sustainability management ; Sustainable development</subject><ispartof>Journal of soils and sediments, 2024-03, Vol.24 (3), p.1260-1273</ispartof><rights>The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature 2023. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><cites>FETCH-LOGICAL-c270t-616ad9cfbfd5f2c85e7d415864240b01ec618883a856e0158654b878fce591973</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s11368-023-03709-2$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s11368-023-03709-2$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,780,784,27924,27925,41488,42557,51319</link.rule.ids></links><search><creatorcontrib>Bie, Yujing</creatorcontrib><creatorcontrib>Wang, Jie</creatorcontrib><creatorcontrib>Wang, Xiangtao</creatorcontrib><creatorcontrib>Liao, Lirong</creatorcontrib><creatorcontrib>Zhang, Chao</creatorcontrib><title>Grazing-to-fencing increases alpine soil phosphorus availability by promoting phosphatase activity and regulating the phoD-harboring bacterial communities</title><title>Journal of soils and sediments</title><addtitle>J Soils Sediments</addtitle><description>Purpose Soil available phosphate (AP) is largely dependent on phoD -harboring bacteria, which can release alkaline phosphatase (ALP) to transform insoluble P for plant absorption. However, the way of phoD -harboring bacterial communities responding to restoration measures in alpine ecosystems, which are among the least studied and most vulnerable ecosystems, remains largely unknown. This knowledge is fundamental for formulating effective ecosystem management and soil conservation policies. Materials and methods By combining quantitative PCR and amplicon sequencing, we examined the alterations in phoD -harboring bacterial communities across four distinct meadow types, and explored the potential environmental drivers of alpine soil P availability. Results and discussion The results indicated that the fenced and fenced + reseeded meadows exhibited higher ALP activity and soil AP content compared to the grazed meadow, but lower than that of the undegraded meadow. The fenced meadow had the highest phoD -harboring bacterial community diversity. Rare genera such as Rhizobium , Breoghania , and Actinomadura, played a critical role in regulating ALP activity. A structural equation model demonstrated that soil pH, nutrient supply (e.g., soil organic carbon, NO 3 − -N), and vegetation together drove the improvement of soil P availability by enhancing ALP activity, which was closely related to phoD -harboring bacterial communities. These findings suggest that fencing could promote alpine soil P availability by adjusting phoD -harboring bacteria and ALP activity. 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subjects Alkaline phosphatase
Alpine environments
Availability
Bacteria
Community composition
Conserved sequence
Earth and Environmental Science
Ecosystem management
Ecosystems
Environment
Environmental Physics
Environmental policy
Grazing
Meadows
Nucleotide sequence
Nutrient cycles
Organic carbon
Organic soils
Phosphatase
Phosphates
Phosphorus
Restoration
Sec 4 • Ecotoxicology • Research Article
Soil chemistry
Soil conservation
Soil improvement
Soil microorganisms
Soil pH
Soil Science & Conservation
Soils
Species diversity
Strategic management
Sustainability management
Sustainable development
title Grazing-to-fencing increases alpine soil phosphorus availability by promoting phosphatase activity and regulating the phoD-harboring bacterial communities
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