Drivers of above‐ground understorey biomass and nutrient stocks in temperate deciduous forests
The understorey in temperate forests can play an important functional role, depending on its biomass and functional characteristics. While it is known that local soil and stand characteristics largely determine the biomass of the understorey, less is known about the role of global change. Global cha...
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| Veröffentlicht in: | The Journal of ecology 2020-05, Vol.108 (3), p.982-997 |
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| creator | Landuyt, Dries Maes, Sybryn L. Depauw, Leen Ampoorter, Evy Blondeel, Haben Perring, Michael P. Brūmelis, Guntis Brunet, Jörg Decocq, Guillaume Ouden, Jan Härdtle, Werner Hédl, Radim Heinken, Thilo Heinrichs, Steffi Jaroszewicz, Bogdan Kirby, Keith J. Kopecký, Martin Máliš, František Wulf, Monika Verheyen, Kris Chen, Han |
| description | The understorey in temperate forests can play an important functional role, depending on its biomass and functional characteristics. While it is known that local soil and stand characteristics largely determine the biomass of the understorey, less is known about the role of global change. Global change can directly affect understorey biomass, but also indirectly by modifying the overstorey, local resource availability and growing conditions at the forest floor.
In this observational study across Europe, we aim at disentangling the impact of global‐change drivers on understorey biomass and nutrient stocks, from the impact of overstorey characteristics and local site conditions. Using piecewise structural equation modelling, we determine the main drivers of understorey biomass and nutrient stocks in these forests and examine potential direct and indirect effects of global‐change drivers.
Tree cover, tree litter quality and differences in former land use were the main drivers of understorey biomass and nutrient stocks, via their influence on understorey light and nitrogen availability and soil acidity. Other global‐change drivers, including climate and nitrogen deposition, had similar indirect effects, but these were either weak or only affecting nutrient concentrations, not stocks.
Synthesis. We found that direct effects of global‐change drivers on understorey biomass and nutrient stocks were absent. The indirect effects of global change, through influencing resource availability and growing conditions at the forest floor, were found to be less important than the effects of overstorey cover and composition. These results suggest that understorey biomass and nutrient stocks might respond less to global change in the presence of a dense overstorey, highlighting the buffering role of the overstorey in temperate forests.
We found that direct effects of global‐change drivers on understorey biomass and nutrient stocks were absent. The indirect effects of global change, through influencing resource availability and growing conditions at the forest floor, were found to be less important than the effects of overstorey cover and composition. These results suggest that understorey biomass and nutrient stocks might respond less to global change in the presence of a dense overstorey, highlighting the buffering role of the overstorey in temperate forests. |
| doi_str_mv | 10.1111/1365-2745.13318 |
| format | Article |
| fullrecord | <record><control><sourceid>proquest_swepu</sourceid><recordid>TN_cdi_swepub_primary_oai_slubar_slu_se_109372</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><sourcerecordid>2391846613</sourcerecordid><originalsourceid>FETCH-LOGICAL-c4298-c50269fcae735219a173cb7502a1c034f999fc32c0b23a4380f13e3fcc4298383</originalsourceid><addsrcrecordid>eNqFkc1KAzEUhYMoWKtrtwFXLqbNz_xlWWq1SsGNrmMmTXTqdDImk5bufASf0Scx05GCKwPhwrnnu-TmAHCJ0QiHM8Y0TSKSxckIU4rzIzA4KMdggBAhEYqz7BScObdCCKVZggbg5caWG2UdNBqKwmzU9-fXqzW-XsJwQ6M1Vu1gUZq1cA6KoNe-taWqWxh68t3BsoatWjfKilbBpZLl0hvvoA6ga905ONGicuritw7B8-3saTqPFo9399PJIpIxYXkkE0RSpqVQGU0IZgJnVBbhiURgiWisGQtdSiQqCBUxzZHGVFEt9zjN6RCM-rluqxpf8MaWa2F33IiSu8oXwnaFO8UxYjQjAbjugTdR_XHPJwveaYimOE0w2-Dgveq9jTUfPqzFV8bbOuzDCWU4j9M0fPoQjHuXtMY5q_RhLEa8y4h3ifAuEb7PKBBJT2zLSu3-s_OH2bTnfgBREpRl</addsrcrecordid><sourcetype>Open Access Repository</sourcetype><iscdi>true</iscdi><recordtype>article</recordtype><pqid>2391846613</pqid></control><display><type>article</type><title>Drivers of above‐ground understorey biomass and nutrient stocks in temperate deciduous forests</title><source>Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals</source><source>Wiley Free Content</source><source>Wiley Online Library All Journals</source><creator>Landuyt, Dries ; Maes, Sybryn L. ; Depauw, Leen ; Ampoorter, Evy ; Blondeel, Haben ; Perring, Michael P. ; Brūmelis, Guntis ; Brunet, Jörg ; Decocq, Guillaume ; Ouden, Jan ; Härdtle, Werner ; Hédl, Radim ; Heinken, Thilo ; Heinrichs, Steffi ; Jaroszewicz, Bogdan ; Kirby, Keith J. ; Kopecký, Martin ; Máliš, František ; Wulf, Monika ; Verheyen, Kris ; Chen, Han</creator><contributor>Chen, Han</contributor><creatorcontrib>Landuyt, Dries ; Maes, Sybryn L. ; Depauw, Leen ; Ampoorter, Evy ; Blondeel, Haben ; Perring, Michael P. ; Brūmelis, Guntis ; Brunet, Jörg ; Decocq, Guillaume ; Ouden, Jan ; Härdtle, Werner ; Hédl, Radim ; Heinken, Thilo ; Heinrichs, Steffi ; Jaroszewicz, Bogdan ; Kirby, Keith J. ; Kopecký, Martin ; Máliš, František ; Wulf, Monika ; Verheyen, Kris ; Chen, Han ; Sveriges lantbruksuniversitet ; Chen, Han</creatorcontrib><description>The understorey in temperate forests can play an important functional role, depending on its biomass and functional characteristics. While it is known that local soil and stand characteristics largely determine the biomass of the understorey, less is known about the role of global change. Global change can directly affect understorey biomass, but also indirectly by modifying the overstorey, local resource availability and growing conditions at the forest floor.
In this observational study across Europe, we aim at disentangling the impact of global‐change drivers on understorey biomass and nutrient stocks, from the impact of overstorey characteristics and local site conditions. Using piecewise structural equation modelling, we determine the main drivers of understorey biomass and nutrient stocks in these forests and examine potential direct and indirect effects of global‐change drivers.
Tree cover, tree litter quality and differences in former land use were the main drivers of understorey biomass and nutrient stocks, via their influence on understorey light and nitrogen availability and soil acidity. Other global‐change drivers, including climate and nitrogen deposition, had similar indirect effects, but these were either weak or only affecting nutrient concentrations, not stocks.
Synthesis. We found that direct effects of global‐change drivers on understorey biomass and nutrient stocks were absent. The indirect effects of global change, through influencing resource availability and growing conditions at the forest floor, were found to be less important than the effects of overstorey cover and composition. These results suggest that understorey biomass and nutrient stocks might respond less to global change in the presence of a dense overstorey, highlighting the buffering role of the overstorey in temperate forests.
We found that direct effects of global‐change drivers on understorey biomass and nutrient stocks were absent. The indirect effects of global change, through influencing resource availability and growing conditions at the forest floor, were found to be less important than the effects of overstorey cover and composition. These results suggest that understorey biomass and nutrient stocks might respond less to global change in the presence of a dense overstorey, highlighting the buffering role of the overstorey in temperate forests.</description><identifier>ISSN: 0022-0477</identifier><identifier>ISSN: 1365-2745</identifier><identifier>EISSN: 1365-2745</identifier><identifier>DOI: 10.1111/1365-2745.13318</identifier><language>eng</language><publisher>Oxford: Blackwell Publishing Ltd</publisher><subject>Acidic soils ; Acidity ; Availability ; Biomass ; Climate change ; Deciduous forests ; Ecology ; ecosystem functioning ; Ekologi ; Floors ; Forest floor ; Forest Science ; Forests ; ground layer ; herb layer ; Land use ; Life Sciences ; Mathematical models ; Mineral nutrients ; Multivariate statistical analysis ; Nitrogen ; Nutrient concentrations ; Nutrients ; Observational studies ; PhytoCalc ; piecewise SEM ; productivity ; Resource availability ; Skogsvetenskap ; Soil ; Soils ; Stocks ; Temperate forests</subject><ispartof>The Journal of ecology, 2020-05, Vol.108 (3), p.982-997</ispartof><rights>2019 British Ecological Society</rights><rights>Journal of Ecology © 2020 British Ecological Society</rights><rights>Distributed under a Creative Commons Attribution 4.0 International License</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c4298-c50269fcae735219a173cb7502a1c034f999fc32c0b23a4380f13e3fcc4298383</citedby><cites>FETCH-LOGICAL-c4298-c50269fcae735219a173cb7502a1c034f999fc32c0b23a4380f13e3fcc4298383</cites><orcidid>0000-0002-2042-8245 ; 0000-0001-6499-0750 ; 0000-0002-1018-9316 ; 0000-0003-2760-6988 ; 0000-0002-2067-9108 ; 0000-0002-6040-8126 ; 0000-0001-9939-5994 ; 0000-0002-5599-5792 ; 0000-0001-8107-5546 ; 0000-0003-2667-4575 ; 0000-0001-9262-5873 ; 0000-0002-7168-2390 ; 0000-0002-8385-2553 ; 0000-0001-8553-4893 ; 0000-0003-1518-2460 ; 0000-0001-5703-6811 ; 0000-0002-1681-5971</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1111%2F1365-2745.13318$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1111%2F1365-2745.13318$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>230,314,780,784,885,1417,1433,27924,27925,45574,45575,46409,46833</link.rule.ids><backlink>$$Uhttps://u-picardie.hal.science/hal-03616519$$DView record in HAL$$Hfree_for_read</backlink><backlink>$$Uhttps://res.slu.se/id/publ/109372$$DView record from Swedish Publication Index$$Hfree_for_read</backlink></links><search><contributor>Chen, Han</contributor><creatorcontrib>Landuyt, Dries</creatorcontrib><creatorcontrib>Maes, Sybryn L.</creatorcontrib><creatorcontrib>Depauw, Leen</creatorcontrib><creatorcontrib>Ampoorter, Evy</creatorcontrib><creatorcontrib>Blondeel, Haben</creatorcontrib><creatorcontrib>Perring, Michael P.</creatorcontrib><creatorcontrib>Brūmelis, Guntis</creatorcontrib><creatorcontrib>Brunet, Jörg</creatorcontrib><creatorcontrib>Decocq, Guillaume</creatorcontrib><creatorcontrib>Ouden, Jan</creatorcontrib><creatorcontrib>Härdtle, Werner</creatorcontrib><creatorcontrib>Hédl, Radim</creatorcontrib><creatorcontrib>Heinken, Thilo</creatorcontrib><creatorcontrib>Heinrichs, Steffi</creatorcontrib><creatorcontrib>Jaroszewicz, Bogdan</creatorcontrib><creatorcontrib>Kirby, Keith J.</creatorcontrib><creatorcontrib>Kopecký, Martin</creatorcontrib><creatorcontrib>Máliš, František</creatorcontrib><creatorcontrib>Wulf, Monika</creatorcontrib><creatorcontrib>Verheyen, Kris</creatorcontrib><creatorcontrib>Chen, Han</creatorcontrib><creatorcontrib>Sveriges lantbruksuniversitet</creatorcontrib><title>Drivers of above‐ground understorey biomass and nutrient stocks in temperate deciduous forests</title><title>The Journal of ecology</title><description>The understorey in temperate forests can play an important functional role, depending on its biomass and functional characteristics. While it is known that local soil and stand characteristics largely determine the biomass of the understorey, less is known about the role of global change. Global change can directly affect understorey biomass, but also indirectly by modifying the overstorey, local resource availability and growing conditions at the forest floor.
In this observational study across Europe, we aim at disentangling the impact of global‐change drivers on understorey biomass and nutrient stocks, from the impact of overstorey characteristics and local site conditions. Using piecewise structural equation modelling, we determine the main drivers of understorey biomass and nutrient stocks in these forests and examine potential direct and indirect effects of global‐change drivers.
Tree cover, tree litter quality and differences in former land use were the main drivers of understorey biomass and nutrient stocks, via their influence on understorey light and nitrogen availability and soil acidity. Other global‐change drivers, including climate and nitrogen deposition, had similar indirect effects, but these were either weak or only affecting nutrient concentrations, not stocks.
Synthesis. We found that direct effects of global‐change drivers on understorey biomass and nutrient stocks were absent. The indirect effects of global change, through influencing resource availability and growing conditions at the forest floor, were found to be less important than the effects of overstorey cover and composition. These results suggest that understorey biomass and nutrient stocks might respond less to global change in the presence of a dense overstorey, highlighting the buffering role of the overstorey in temperate forests.
We found that direct effects of global‐change drivers on understorey biomass and nutrient stocks were absent. The indirect effects of global change, through influencing resource availability and growing conditions at the forest floor, were found to be less important than the effects of overstorey cover and composition. These results suggest that understorey biomass and nutrient stocks might respond less to global change in the presence of a dense overstorey, highlighting the buffering role of the overstorey in temperate forests.</description><subject>Acidic soils</subject><subject>Acidity</subject><subject>Availability</subject><subject>Biomass</subject><subject>Climate change</subject><subject>Deciduous forests</subject><subject>Ecology</subject><subject>ecosystem functioning</subject><subject>Ekologi</subject><subject>Floors</subject><subject>Forest floor</subject><subject>Forest Science</subject><subject>Forests</subject><subject>ground layer</subject><subject>herb layer</subject><subject>Land use</subject><subject>Life Sciences</subject><subject>Mathematical models</subject><subject>Mineral nutrients</subject><subject>Multivariate statistical analysis</subject><subject>Nitrogen</subject><subject>Nutrient concentrations</subject><subject>Nutrients</subject><subject>Observational studies</subject><subject>PhytoCalc</subject><subject>piecewise SEM</subject><subject>productivity</subject><subject>Resource availability</subject><subject>Skogsvetenskap</subject><subject>Soil</subject><subject>Soils</subject><subject>Stocks</subject><subject>Temperate forests</subject><issn>0022-0477</issn><issn>1365-2745</issn><issn>1365-2745</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><recordid>eNqFkc1KAzEUhYMoWKtrtwFXLqbNz_xlWWq1SsGNrmMmTXTqdDImk5bufASf0Scx05GCKwPhwrnnu-TmAHCJ0QiHM8Y0TSKSxckIU4rzIzA4KMdggBAhEYqz7BScObdCCKVZggbg5caWG2UdNBqKwmzU9-fXqzW-XsJwQ6M1Vu1gUZq1cA6KoNe-taWqWxh68t3BsoatWjfKilbBpZLl0hvvoA6ga905ONGicuritw7B8-3saTqPFo9399PJIpIxYXkkE0RSpqVQGU0IZgJnVBbhiURgiWisGQtdSiQqCBUxzZHGVFEt9zjN6RCM-rluqxpf8MaWa2F33IiSu8oXwnaFO8UxYjQjAbjugTdR_XHPJwveaYimOE0w2-Dgveq9jTUfPqzFV8bbOuzDCWU4j9M0fPoQjHuXtMY5q_RhLEa8y4h3ifAuEb7PKBBJT2zLSu3-s_OH2bTnfgBREpRl</recordid><startdate>202005</startdate><enddate>202005</enddate><creator>Landuyt, Dries</creator><creator>Maes, Sybryn L.</creator><creator>Depauw, Leen</creator><creator>Ampoorter, Evy</creator><creator>Blondeel, Haben</creator><creator>Perring, Michael P.</creator><creator>Brūmelis, Guntis</creator><creator>Brunet, Jörg</creator><creator>Decocq, Guillaume</creator><creator>Ouden, Jan</creator><creator>Härdtle, Werner</creator><creator>Hédl, Radim</creator><creator>Heinken, Thilo</creator><creator>Heinrichs, Steffi</creator><creator>Jaroszewicz, Bogdan</creator><creator>Kirby, Keith J.</creator><creator>Kopecký, Martin</creator><creator>Máliš, František</creator><creator>Wulf, Monika</creator><creator>Verheyen, Kris</creator><creator>Chen, Han</creator><general>Blackwell Publishing Ltd</general><general>Wiley</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7QG</scope><scope>7SN</scope><scope>7SS</scope><scope>7ST</scope><scope>8FD</scope><scope>C1K</scope><scope>F1W</scope><scope>FR3</scope><scope>H95</scope><scope>L.G</scope><scope>M7N</scope><scope>P64</scope><scope>RC3</scope><scope>SOI</scope><scope>1XC</scope><scope>ADTPV</scope><scope>AOWAS</scope><orcidid>https://orcid.org/0000-0002-2042-8245</orcidid><orcidid>https://orcid.org/0000-0001-6499-0750</orcidid><orcidid>https://orcid.org/0000-0002-1018-9316</orcidid><orcidid>https://orcid.org/0000-0003-2760-6988</orcidid><orcidid>https://orcid.org/0000-0002-2067-9108</orcidid><orcidid>https://orcid.org/0000-0002-6040-8126</orcidid><orcidid>https://orcid.org/0000-0001-9939-5994</orcidid><orcidid>https://orcid.org/0000-0002-5599-5792</orcidid><orcidid>https://orcid.org/0000-0001-8107-5546</orcidid><orcidid>https://orcid.org/0000-0003-2667-4575</orcidid><orcidid>https://orcid.org/0000-0001-9262-5873</orcidid><orcidid>https://orcid.org/0000-0002-7168-2390</orcidid><orcidid>https://orcid.org/0000-0002-8385-2553</orcidid><orcidid>https://orcid.org/0000-0001-8553-4893</orcidid><orcidid>https://orcid.org/0000-0003-1518-2460</orcidid><orcidid>https://orcid.org/0000-0001-5703-6811</orcidid><orcidid>https://orcid.org/0000-0002-1681-5971</orcidid></search><sort><creationdate>202005</creationdate><title>Drivers of above‐ground understorey biomass and nutrient stocks in temperate deciduous forests</title><author>Landuyt, Dries ; Maes, Sybryn L. ; Depauw, Leen ; Ampoorter, Evy ; Blondeel, Haben ; Perring, Michael P. ; Brūmelis, Guntis ; Brunet, Jörg ; Decocq, Guillaume ; Ouden, Jan ; Härdtle, Werner ; Hédl, Radim ; Heinken, Thilo ; Heinrichs, Steffi ; Jaroszewicz, Bogdan ; Kirby, Keith J. ; Kopecký, Martin ; Máliš, František ; Wulf, Monika ; Verheyen, Kris ; Chen, Han</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c4298-c50269fcae735219a173cb7502a1c034f999fc32c0b23a4380f13e3fcc4298383</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Acidic soils</topic><topic>Acidity</topic><topic>Availability</topic><topic>Biomass</topic><topic>Climate change</topic><topic>Deciduous forests</topic><topic>Ecology</topic><topic>ecosystem functioning</topic><topic>Ekologi</topic><topic>Floors</topic><topic>Forest floor</topic><topic>Forest Science</topic><topic>Forests</topic><topic>ground layer</topic><topic>herb layer</topic><topic>Land use</topic><topic>Life Sciences</topic><topic>Mathematical models</topic><topic>Mineral nutrients</topic><topic>Multivariate statistical analysis</topic><topic>Nitrogen</topic><topic>Nutrient concentrations</topic><topic>Nutrients</topic><topic>Observational studies</topic><topic>PhytoCalc</topic><topic>piecewise SEM</topic><topic>productivity</topic><topic>Resource availability</topic><topic>Skogsvetenskap</topic><topic>Soil</topic><topic>Soils</topic><topic>Stocks</topic><topic>Temperate forests</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Landuyt, Dries</creatorcontrib><creatorcontrib>Maes, Sybryn L.</creatorcontrib><creatorcontrib>Depauw, Leen</creatorcontrib><creatorcontrib>Ampoorter, Evy</creatorcontrib><creatorcontrib>Blondeel, Haben</creatorcontrib><creatorcontrib>Perring, Michael P.</creatorcontrib><creatorcontrib>Brūmelis, Guntis</creatorcontrib><creatorcontrib>Brunet, Jörg</creatorcontrib><creatorcontrib>Decocq, Guillaume</creatorcontrib><creatorcontrib>Ouden, Jan</creatorcontrib><creatorcontrib>Härdtle, Werner</creatorcontrib><creatorcontrib>Hédl, Radim</creatorcontrib><creatorcontrib>Heinken, Thilo</creatorcontrib><creatorcontrib>Heinrichs, Steffi</creatorcontrib><creatorcontrib>Jaroszewicz, Bogdan</creatorcontrib><creatorcontrib>Kirby, Keith J.</creatorcontrib><creatorcontrib>Kopecký, Martin</creatorcontrib><creatorcontrib>Máliš, František</creatorcontrib><creatorcontrib>Wulf, Monika</creatorcontrib><creatorcontrib>Verheyen, Kris</creatorcontrib><creatorcontrib>Chen, Han</creatorcontrib><creatorcontrib>Sveriges lantbruksuniversitet</creatorcontrib><collection>CrossRef</collection><collection>Animal Behavior Abstracts</collection><collection>Ecology Abstracts</collection><collection>Entomology Abstracts (Full archive)</collection><collection>Environment Abstracts</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Engineering Research Database</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 1: Biological Sciences & Living Resources</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><collection>Algology Mycology and Protozoology Abstracts (Microbiology C)</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>Genetics Abstracts</collection><collection>Environment Abstracts</collection><collection>Hyper Article en Ligne (HAL)</collection><collection>SwePub</collection><collection>SwePub Articles</collection><jtitle>The Journal of ecology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Landuyt, Dries</au><au>Maes, Sybryn L.</au><au>Depauw, Leen</au><au>Ampoorter, Evy</au><au>Blondeel, Haben</au><au>Perring, Michael P.</au><au>Brūmelis, Guntis</au><au>Brunet, Jörg</au><au>Decocq, Guillaume</au><au>Ouden, Jan</au><au>Härdtle, Werner</au><au>Hédl, Radim</au><au>Heinken, Thilo</au><au>Heinrichs, Steffi</au><au>Jaroszewicz, Bogdan</au><au>Kirby, Keith J.</au><au>Kopecký, Martin</au><au>Máliš, František</au><au>Wulf, Monika</au><au>Verheyen, Kris</au><au>Chen, Han</au><au>Chen, Han</au><aucorp>Sveriges lantbruksuniversitet</aucorp><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Drivers of above‐ground understorey biomass and nutrient stocks in temperate deciduous forests</atitle><jtitle>The Journal of ecology</jtitle><date>2020-05</date><risdate>2020</risdate><volume>108</volume><issue>3</issue><spage>982</spage><epage>997</epage><pages>982-997</pages><issn>0022-0477</issn><issn>1365-2745</issn><eissn>1365-2745</eissn><abstract>The understorey in temperate forests can play an important functional role, depending on its biomass and functional characteristics. While it is known that local soil and stand characteristics largely determine the biomass of the understorey, less is known about the role of global change. Global change can directly affect understorey biomass, but also indirectly by modifying the overstorey, local resource availability and growing conditions at the forest floor.
In this observational study across Europe, we aim at disentangling the impact of global‐change drivers on understorey biomass and nutrient stocks, from the impact of overstorey characteristics and local site conditions. Using piecewise structural equation modelling, we determine the main drivers of understorey biomass and nutrient stocks in these forests and examine potential direct and indirect effects of global‐change drivers.
Tree cover, tree litter quality and differences in former land use were the main drivers of understorey biomass and nutrient stocks, via their influence on understorey light and nitrogen availability and soil acidity. Other global‐change drivers, including climate and nitrogen deposition, had similar indirect effects, but these were either weak or only affecting nutrient concentrations, not stocks.
Synthesis. We found that direct effects of global‐change drivers on understorey biomass and nutrient stocks were absent. The indirect effects of global change, through influencing resource availability and growing conditions at the forest floor, were found to be less important than the effects of overstorey cover and composition. These results suggest that understorey biomass and nutrient stocks might respond less to global change in the presence of a dense overstorey, highlighting the buffering role of the overstorey in temperate forests.
We found that direct effects of global‐change drivers on understorey biomass and nutrient stocks were absent. The indirect effects of global change, through influencing resource availability and growing conditions at the forest floor, were found to be less important than the effects of overstorey cover and composition. These results suggest that understorey biomass and nutrient stocks might respond less to global change in the presence of a dense overstorey, highlighting the buffering role of the overstorey in temperate forests.</abstract><cop>Oxford</cop><pub>Blackwell Publishing Ltd</pub><doi>10.1111/1365-2745.13318</doi><tpages>16</tpages><orcidid>https://orcid.org/0000-0002-2042-8245</orcidid><orcidid>https://orcid.org/0000-0001-6499-0750</orcidid><orcidid>https://orcid.org/0000-0002-1018-9316</orcidid><orcidid>https://orcid.org/0000-0003-2760-6988</orcidid><orcidid>https://orcid.org/0000-0002-2067-9108</orcidid><orcidid>https://orcid.org/0000-0002-6040-8126</orcidid><orcidid>https://orcid.org/0000-0001-9939-5994</orcidid><orcidid>https://orcid.org/0000-0002-5599-5792</orcidid><orcidid>https://orcid.org/0000-0001-8107-5546</orcidid><orcidid>https://orcid.org/0000-0003-2667-4575</orcidid><orcidid>https://orcid.org/0000-0001-9262-5873</orcidid><orcidid>https://orcid.org/0000-0002-7168-2390</orcidid><orcidid>https://orcid.org/0000-0002-8385-2553</orcidid><orcidid>https://orcid.org/0000-0001-8553-4893</orcidid><orcidid>https://orcid.org/0000-0003-1518-2460</orcidid><orcidid>https://orcid.org/0000-0001-5703-6811</orcidid><orcidid>https://orcid.org/0000-0002-1681-5971</orcidid><oa>free_for_read</oa></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0022-0477 |
| ispartof | The Journal of ecology, 2020-05, Vol.108 (3), p.982-997 |
| issn | 0022-0477 1365-2745 1365-2745 |
| language | eng |
| recordid | cdi_swepub_primary_oai_slubar_slu_se_109372 |
| source | Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals; Wiley Free Content; Wiley Online Library All Journals |
| subjects | Acidic soils Acidity Availability Biomass Climate change Deciduous forests Ecology ecosystem functioning Ekologi Floors Forest floor Forest Science Forests ground layer herb layer Land use Life Sciences Mathematical models Mineral nutrients Multivariate statistical analysis Nitrogen Nutrient concentrations Nutrients Observational studies PhytoCalc piecewise SEM productivity Resource availability Skogsvetenskap Soil Soils Stocks Temperate forests |
| title | Drivers of above‐ground understorey biomass and nutrient stocks in temperate deciduous forests |
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