Cascading effects of moth outbreaks on subarctic soil food webs
Abstract The increasing severity and frequency of natural disturbances requires a better understanding of their effects on all compartments of biodiversity. In Northern Fennoscandia, recent large-scale moth outbreaks have led to an abrupt change in plant communities from birch forests dominated by d...
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Nature Portfolio
2021
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oai:doaj.org-article:dab459c4978348289f589993781baa682021-12-02T16:17:18ZCascading effects of moth outbreaks on subarctic soil food webs10.1038/s41598-021-94227-z2045-2322https://doaj.org/article/dab459c4978348289f589993781baa682021-07-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-94227-zhttps://doaj.org/toc/2045-2322Abstract The increasing severity and frequency of natural disturbances requires a better understanding of their effects on all compartments of biodiversity. In Northern Fennoscandia, recent large-scale moth outbreaks have led to an abrupt change in plant communities from birch forests dominated by dwarf shrubs to grass-dominated systems. However, the indirect effects on the belowground compartment remained unclear. Here, we combined eDNA surveys of multiple trophic groups with network analyses to demonstrate that moth defoliation has far-reaching consequences on soil food webs. Following this disturbance, diversity and relative abundance of certain trophic groups declined (e.g., ectomycorrhizal fungi), while many others expanded (e.g., bacterivores and omnivores) making soil food webs more diverse and structurally different. Overall, the direct and indirect consequences of moth outbreaks increased belowground diversity at different trophic levels. Our results highlight that a holistic view of ecosystems improves our understanding of cascading effects of major disturbances on soil food webs.Irene Calderón-SanouTamara MünkemüllerLucie ZingerHeidy SchimannNigel Gilles YoccozLudovic GiellyArnaud FoulquierMickael HeddeMarc OhlmannMélanie RoySara Si-MoussiWilfried ThuillerNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-12 (2021) |
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| topic |
Medicine R Science Q |
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Medicine R Science Q Irene Calderón-Sanou Tamara Münkemüller Lucie Zinger Heidy Schimann Nigel Gilles Yoccoz Ludovic Gielly Arnaud Foulquier Mickael Hedde Marc Ohlmann Mélanie Roy Sara Si-Moussi Wilfried Thuiller Cascading effects of moth outbreaks on subarctic soil food webs |
| description |
Abstract The increasing severity and frequency of natural disturbances requires a better understanding of their effects on all compartments of biodiversity. In Northern Fennoscandia, recent large-scale moth outbreaks have led to an abrupt change in plant communities from birch forests dominated by dwarf shrubs to grass-dominated systems. However, the indirect effects on the belowground compartment remained unclear. Here, we combined eDNA surveys of multiple trophic groups with network analyses to demonstrate that moth defoliation has far-reaching consequences on soil food webs. Following this disturbance, diversity and relative abundance of certain trophic groups declined (e.g., ectomycorrhizal fungi), while many others expanded (e.g., bacterivores and omnivores) making soil food webs more diverse and structurally different. Overall, the direct and indirect consequences of moth outbreaks increased belowground diversity at different trophic levels. Our results highlight that a holistic view of ecosystems improves our understanding of cascading effects of major disturbances on soil food webs. |
| format |
article |
| author |
Irene Calderón-Sanou Tamara Münkemüller Lucie Zinger Heidy Schimann Nigel Gilles Yoccoz Ludovic Gielly Arnaud Foulquier Mickael Hedde Marc Ohlmann Mélanie Roy Sara Si-Moussi Wilfried Thuiller |
| author_facet |
Irene Calderón-Sanou Tamara Münkemüller Lucie Zinger Heidy Schimann Nigel Gilles Yoccoz Ludovic Gielly Arnaud Foulquier Mickael Hedde Marc Ohlmann Mélanie Roy Sara Si-Moussi Wilfried Thuiller |
| author_sort |
Irene Calderón-Sanou |
| title |
Cascading effects of moth outbreaks on subarctic soil food webs |
| title_short |
Cascading effects of moth outbreaks on subarctic soil food webs |
| title_full |
Cascading effects of moth outbreaks on subarctic soil food webs |
| title_fullStr |
Cascading effects of moth outbreaks on subarctic soil food webs |
| title_full_unstemmed |
Cascading effects of moth outbreaks on subarctic soil food webs |
| title_sort |
cascading effects of moth outbreaks on subarctic soil food webs |
| publisher |
Nature Portfolio |
| publishDate |
2021 |
| url |
https://doaj.org/article/dab459c4978348289f589993781baa68 |
| work_keys_str_mv |
AT irenecalderonsanou cascadingeffectsofmothoutbreaksonsubarcticsoilfoodwebs AT tamaramunkemuller cascadingeffectsofmothoutbreaksonsubarcticsoilfoodwebs AT luciezinger cascadingeffectsofmothoutbreaksonsubarcticsoilfoodwebs AT heidyschimann cascadingeffectsofmothoutbreaksonsubarcticsoilfoodwebs AT nigelgillesyoccoz cascadingeffectsofmothoutbreaksonsubarcticsoilfoodwebs AT ludovicgielly cascadingeffectsofmothoutbreaksonsubarcticsoilfoodwebs AT arnaudfoulquier cascadingeffectsofmothoutbreaksonsubarcticsoilfoodwebs AT mickaelhedde cascadingeffectsofmothoutbreaksonsubarcticsoilfoodwebs AT marcohlmann cascadingeffectsofmothoutbreaksonsubarcticsoilfoodwebs AT melanieroy cascadingeffectsofmothoutbreaksonsubarcticsoilfoodwebs AT sarasimoussi cascadingeffectsofmothoutbreaksonsubarcticsoilfoodwebs AT wilfriedthuiller cascadingeffectsofmothoutbreaksonsubarcticsoilfoodwebs |
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