Interguild fungal competition in litter and soil inversely modulate microbial necromass accumulation during Loess Plateau forest succession
Microbial interactions determine ecosystem carbon (C) and nutrient cycling, yet it remains unclear how interguild fungal interactions modulate microbial residue contribution to soil C pools (SOC) during forest succession. Here, we present a region-wide investigation of the relative dominance of sapr...
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description | Microbial interactions determine ecosystem carbon (C) and nutrient cycling, yet it remains unclear how interguild fungal interactions modulate microbial residue contribution to soil C pools (SOC) during forest succession. Here, we present a region-wide investigation of the relative dominance of saprophytic versus symbiotic fungi in litter and soil compartments, exploring their linkages to soil microbial residue pools and potential drivers along a chronosequence of secondary Chinese pine (Pinus tabulaeformis) forests on the Loess Plateau. Despite minor changes in C and nitrogen (N) stocks in the litter or soil layers across successional stages, we found significantly lower soil phosphorus (P) stocks, higher ratios of soil C: N, soil N: P and soil C: P but lower ratios of litter C: N and litter C: P in old (>75 years) than young stands ( |
doi_str_mv | 10.1016/j.scitotenv.2024.170259 |
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•C: nutrient ratios increased in soil but decreased in litter with stand development•Stand development favored the saprotrophs in litter and the symbiotrophs in soil•Litter: soil saprotrophs and symbiotrophs inversely regulated necromass C•Antagonistic fungal competition likely led to unchanged necromass C contribution</description><identifier>ISSN: 0048-9697</identifier><identifier>EISSN: 1879-1026</identifier><identifier>DOI: 10.1016/j.scitotenv.2024.170259</identifier><identifier>PMID: 38253096</identifier><language>eng</language><publisher>Netherlands: Elsevier B.V</publisher><subject>FunGuild ; Soil amino sugar ; Stable carbon formation ; The “Gadgil effect”</subject><ispartof>The Science of the total environment, 2024-03, Vol.916, p.170259-170259, Article 170259</ispartof><rights>2024 Elsevier B.V.</rights><rights>Copyright © 2024. Published by Elsevier B.V.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><cites>FETCH-LOGICAL-c317t-1c39985159b194ce8d65a4b7201fb438075fd144bc0692df7af640c154b54d8c3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.scitotenv.2024.170259$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3548,27922,27923,45993</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/38253096$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Zhang, Yaling</creatorcontrib><creatorcontrib>Yan, Yuqi</creatorcontrib><creatorcontrib>Huang, Jian-Guo</creatorcontrib><creatorcontrib>Wang, Minhuang</creatorcontrib><title>Interguild fungal competition in litter and soil inversely modulate microbial necromass accumulation during Loess Plateau forest succession</title><title>The Science of the total environment</title><addtitle>Sci Total Environ</addtitle><description>Microbial interactions determine ecosystem carbon (C) and nutrient cycling, yet it remains unclear how interguild fungal interactions modulate microbial residue contribution to soil C pools (SOC) during forest succession. Here, we present a region-wide investigation of the relative dominance of saprophytic versus symbiotic fungi in litter and soil compartments, exploring their linkages to soil microbial residue pools and potential drivers along a chronosequence of secondary Chinese pine (Pinus tabulaeformis) forests on the Loess Plateau. Despite minor changes in C and nitrogen (N) stocks in the litter or soil layers across successional stages, we found significantly lower soil phosphorus (P) stocks, higher ratios of soil C: N, soil N: P and soil C: P but lower ratios of litter C: N and litter C: P in old (>75 years) than young stands (<30 years). Pine stand development altered the saprotroph: symbiotroph ratios of fungal communities to favor the soil symbiotrophs versus the litter saprotrophs. The dominance of saprotrophs in litter is positively related to microbial necromass contribution to SOC, which is negatively related to the dominance of symbiotrophs in soils. Antagonistic interguild fungal competition in litter and soil layers, in conjunction with increased fungal but decreased bacterial necromass contribution to SOC, jointly contribute to unchanged total necromass contribution to SOC with stand development. The saprotroph: symbiotroph ratios in litter and soil layers are mainly driven by soil P stocks and stand parameters (e.g., stand age and slope), respectively, while substrate stoichiometries primarily regulate microbial necromass accumulation and fungal: bacterial necromass ratios. These results provide novel insights into how microbial interactions at local spatial scales modulate temporal changes in SOC pools, with management implications for mitigating regional land degradation.
[Display omitted]
•C: nutrient ratios increased in soil but decreased in litter with stand development•Stand development favored the saprotrophs in litter and the symbiotrophs in soil•Litter: soil saprotrophs and symbiotrophs inversely regulated necromass C•Antagonistic fungal competition likely led to unchanged necromass C contribution</description><subject>FunGuild</subject><subject>Soil amino sugar</subject><subject>Stable carbon formation</subject><subject>The “Gadgil effect”</subject><issn>0048-9697</issn><issn>1879-1026</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2024</creationdate><recordtype>article</recordtype><recordid>eNqFkcuOFCEUhonROO3oKyhLN9UCBUWxnEy8TNKJLnRNKDjVoVMFLZdO5hl8aan0OFvZQM75_nPhR-gDJXtK6PDptM_Wl1ggXPaMML6nkjChXqAdHaXqKGHDS7QjhI-dGpS8QW9yPpF25Ehfo5t-ZKInatihPw-hQDpWvzg813A0C7ZxPUPxxceAfcCLL43AJjico19a6AIpw_KI1-jqYgrg1dsUJ9-0AdprNTljY21dt_RWxtXkwxEfIrTMj01jKp5jglxwrta2cMPeolezWTK8e7pv0a8vn3_ef-sO378-3N8dOttTWTpqe6VGQYWaqOIWRjcIwyfJCJ0n3o9EitlRzidLBsXcLM08cGKp4JPgbrT9Lfp4rXtO8XdtM-jVZwvLYgLEmjVTVI6D4ANrqLyiba2cE8z6nPxq0qOmRG9O6JN-dkJvTuirE035_qlJnVZwz7p_X9-AuysAbdWLh7QVgmDB-QS2aBf9f5v8BRElonA</recordid><startdate>20240315</startdate><enddate>20240315</enddate><creator>Zhang, Yaling</creator><creator>Yan, Yuqi</creator><creator>Huang, Jian-Guo</creator><creator>Wang, Minhuang</creator><general>Elsevier B.V</general><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope></search><sort><creationdate>20240315</creationdate><title>Interguild fungal competition in litter and soil inversely modulate microbial necromass accumulation during Loess Plateau forest succession</title><author>Zhang, Yaling ; Yan, Yuqi ; Huang, Jian-Guo ; Wang, Minhuang</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c317t-1c39985159b194ce8d65a4b7201fb438075fd144bc0692df7af640c154b54d8c3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2024</creationdate><topic>FunGuild</topic><topic>Soil amino sugar</topic><topic>Stable carbon formation</topic><topic>The “Gadgil effect”</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Zhang, Yaling</creatorcontrib><creatorcontrib>Yan, Yuqi</creatorcontrib><creatorcontrib>Huang, Jian-Guo</creatorcontrib><creatorcontrib>Wang, Minhuang</creatorcontrib><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>The Science of the total environment</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Zhang, Yaling</au><au>Yan, Yuqi</au><au>Huang, Jian-Guo</au><au>Wang, Minhuang</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Interguild fungal competition in litter and soil inversely modulate microbial necromass accumulation during Loess Plateau forest succession</atitle><jtitle>The Science of the total environment</jtitle><addtitle>Sci Total Environ</addtitle><date>2024-03-15</date><risdate>2024</risdate><volume>916</volume><spage>170259</spage><epage>170259</epage><pages>170259-170259</pages><artnum>170259</artnum><issn>0048-9697</issn><eissn>1879-1026</eissn><abstract>Microbial interactions determine ecosystem carbon (C) and nutrient cycling, yet it remains unclear how interguild fungal interactions modulate microbial residue contribution to soil C pools (SOC) during forest succession. Here, we present a region-wide investigation of the relative dominance of saprophytic versus symbiotic fungi in litter and soil compartments, exploring their linkages to soil microbial residue pools and potential drivers along a chronosequence of secondary Chinese pine (Pinus tabulaeformis) forests on the Loess Plateau. Despite minor changes in C and nitrogen (N) stocks in the litter or soil layers across successional stages, we found significantly lower soil phosphorus (P) stocks, higher ratios of soil C: N, soil N: P and soil C: P but lower ratios of litter C: N and litter C: P in old (>75 years) than young stands (<30 years). Pine stand development altered the saprotroph: symbiotroph ratios of fungal communities to favor the soil symbiotrophs versus the litter saprotrophs. The dominance of saprotrophs in litter is positively related to microbial necromass contribution to SOC, which is negatively related to the dominance of symbiotrophs in soils. Antagonistic interguild fungal competition in litter and soil layers, in conjunction with increased fungal but decreased bacterial necromass contribution to SOC, jointly contribute to unchanged total necromass contribution to SOC with stand development. The saprotroph: symbiotroph ratios in litter and soil layers are mainly driven by soil P stocks and stand parameters (e.g., stand age and slope), respectively, while substrate stoichiometries primarily regulate microbial necromass accumulation and fungal: bacterial necromass ratios. These results provide novel insights into how microbial interactions at local spatial scales modulate temporal changes in SOC pools, with management implications for mitigating regional land degradation.
[Display omitted]
•C: nutrient ratios increased in soil but decreased in litter with stand development•Stand development favored the saprotrophs in litter and the symbiotrophs in soil•Litter: soil saprotrophs and symbiotrophs inversely regulated necromass C•Antagonistic fungal competition likely led to unchanged necromass C contribution</abstract><cop>Netherlands</cop><pub>Elsevier B.V</pub><pmid>38253096</pmid><doi>10.1016/j.scitotenv.2024.170259</doi><tpages>1</tpages></addata></record> |
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source | ScienceDirect Journals (5 years ago - present) |
subjects | FunGuild Soil amino sugar Stable carbon formation The “Gadgil effect” |
title | Interguild fungal competition in litter and soil inversely modulate microbial necromass accumulation during Loess Plateau forest succession |
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