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Land‐use intensity influences European tetrapod food webs.

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Title: Land‐use intensity influences European tetrapod food webs.
Authors: Botella, Christophe1,2 (AUTHOR) christophe.botella@gmail.com, Gaüzère, Pierre1 (AUTHOR), O'Connor, Louise1 (AUTHOR), Ohlmann, Marc1 (AUTHOR), Renaud, Julien1 (AUTHOR), Yue Dou3,4 (AUTHOR), Graham, Catherine H.5 (AUTHOR), Verburg, Peter H.4,5 (AUTHOR), Maiorano, Luigi6 (AUTHOR), Thuiller, Wilfried1 (AUTHOR)
Source: Global Change Biology. Feb2024, Vol. 30 Issue 2, p1-14. 14p. 5 Diagrams, 1 Chart, 1 Map.
Subjects: Land management, Top predators, Ecosystems, Land use
Abstract: Land use intensification favours particular trophic groups which can induce architectural changes in food webs. These changes can impact ecosystem functions, services, stability and resilience. However, the imprint of land management intensity on food‐web architecture has rarely been characterized across large spatial extent and various land uses. We investigated the influence of land management intensity on six facets of food‐web architecture, namely apex and basal species proportions, connectance, omnivory, trophic chain lengths and compartmentalization, for 67,051 European terrestrial vertebrate communities. We also assessed the dependency of this influence of intensification on land use and climate. In addition to more commonly considered climatic factors, the architecture of food webs was notably influenced by land use and management intensity. Intensification tended to strongly lower the proportion of apex predators consistently across contexts. In general, intensification also tended to lower proportions of basal species, favoured mesopredators, decreased food webs compartmentalization whereas it increased their connectance. However, the response of food webs to intensification was different for some contexts. Intensification sharply decreased connectance in Mediterranean and Alpine settlements, and it increased basal tetrapod proportions and compartmentalization in Mediterranean forest and Atlantic croplands. Besides, intensive urbanization especially favoured longer trophic chains and lower omnivory. By favouring mesopredators in most contexts, intensification could undermine basal tetrapods, the cascading effects of which need to be assessed. Our results support the importance of protecting top predators where possible and raise questions about the long‐term stability of food webs in the face of human‐induced pressures. [ABSTRACT FROM AUTHOR]
Copyright of Global Change Biology is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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DbLabel: Engineering Source
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PubType: Academic Journal
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  Data: Land‐use intensity influences European tetrapod food webs.
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  Data: <searchLink fieldCode="AR" term="%22Botella%2C+Christophe%22">Botella, Christophe</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<i> christophe.botella@gmail.com</i><br /><searchLink fieldCode="AR" term="%22Gaüzère%2C+Pierre%22">Gaüzère, Pierre</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22O'Connor%2C+Louise%22">O'Connor, Louise</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Ohlmann%2C+Marc%22">Ohlmann, Marc</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Renaud%2C+Julien%22">Renaud, Julien</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Yue+Dou%22">Yue Dou</searchLink><relatesTo>3,4</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Graham%2C+Catherine+H%2E%22">Graham, Catherine H.</searchLink><relatesTo>5</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Verburg%2C+Peter+H%2E%22">Verburg, Peter H.</searchLink><relatesTo>4,5</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Maiorano%2C+Luigi%22">Maiorano, Luigi</searchLink><relatesTo>6</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Thuiller%2C+Wilfried%22">Thuiller, Wilfried</searchLink><relatesTo>1</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Global+Change+Biology%22">Global Change Biology</searchLink>. Feb2024, Vol. 30 Issue 2, p1-14. 14p. 5 Diagrams, 1 Chart, 1 Map.
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  Data: <searchLink fieldCode="DE" term="%22Land+management%22">Land management</searchLink><br /><searchLink fieldCode="DE" term="%22Top+predators%22">Top predators</searchLink><br /><searchLink fieldCode="DE" term="%22Ecosystems%22">Ecosystems</searchLink><br /><searchLink fieldCode="DE" term="%22Land+use%22">Land use</searchLink>
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  Data: Land use intensification favours particular trophic groups which can induce architectural changes in food webs. These changes can impact ecosystem functions, services, stability and resilience. However, the imprint of land management intensity on food‐web architecture has rarely been characterized across large spatial extent and various land uses. We investigated the influence of land management intensity on six facets of food‐web architecture, namely apex and basal species proportions, connectance, omnivory, trophic chain lengths and compartmentalization, for 67,051 European terrestrial vertebrate communities. We also assessed the dependency of this influence of intensification on land use and climate. In addition to more commonly considered climatic factors, the architecture of food webs was notably influenced by land use and management intensity. Intensification tended to strongly lower the proportion of apex predators consistently across contexts. In general, intensification also tended to lower proportions of basal species, favoured mesopredators, decreased food webs compartmentalization whereas it increased their connectance. However, the response of food webs to intensification was different for some contexts. Intensification sharply decreased connectance in Mediterranean and Alpine settlements, and it increased basal tetrapod proportions and compartmentalization in Mediterranean forest and Atlantic croplands. Besides, intensive urbanization especially favoured longer trophic chains and lower omnivory. By favouring mesopredators in most contexts, intensification could undermine basal tetrapods, the cascading effects of which need to be assessed. Our results support the importance of protecting top predators where possible and raise questions about the long‐term stability of food webs in the face of human‐induced pressures. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Global Change Biology is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1111/gcb.17167
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        Text: English
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      – SubjectFull: Top predators
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      – SubjectFull: Ecosystems
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      – SubjectFull: Land use
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      – TitleFull: Land‐use intensity influences European tetrapod food webs.
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              M: 02
              Text: Feb2024
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