Predicted decline in common bird and butterfly species despite conservation policies in Europe
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2025
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| author | Rigal, Stanislas Lenormand, Maxime Tardieu, Léa Auniņš, Ainārs Bakx, Tristan Brambilla, Mattia Brotons, Lluis Chodkiewicz, Tomasz Fontaine, Benoît Fric, Zdenek Faltynek Gamero, Anna Herrando, Sergi Kålås, John Atle Kamp, Johannes Kurlavičienė, Petras Kuussaari, Mikko Lehikoinen, Aleksi Maes, Dirk Mestdagh, Xavier Musche, Martin Øien, Ingar Jostein Pettersson, Lars Reif, Jiří Rüdisser, Johannes Markus Šašić, Martina Schmucki, Reto Stefanescu, Constanti Stokke, Bård Gunnar Strebel, Nicolas Titeux, Nicolas Trautmann, Sven Van Swaay, Chris Luque, Sandra |
| author_facet | Rigal, Stanislas Lenormand, Maxime Tardieu, Léa Auniņš, Ainārs Bakx, Tristan Brambilla, Mattia Brotons, Lluis Chodkiewicz, Tomasz Fontaine, Benoît Fric, Zdenek Faltynek Gamero, Anna Herrando, Sergi Kålås, John Atle Kamp, Johannes Kurlavičienė, Petras Kuussaari, Mikko Lehikoinen, Aleksi Maes, Dirk Mestdagh, Xavier Musche, Martin Øien, Ingar Jostein Pettersson, Lars Reif, Jiří Rüdisser, Johannes Markus Šašić, Martina Schmucki, Reto Stefanescu, Constanti Stokke, Bård Gunnar Strebel, Nicolas Titeux, Nicolas Trautmann, Sven Van Swaay, Chris Luque, Sandra |
| contents | In response to increasing threats to biodiversity, conservation objectives have been set at national and international level, with the aim of halting biodiversity decline by reducing direct anthropogenic pressures on species. However, the potential effects of conservation policies derived from these objectives on common species remain rarely studied. Common species are often not the primary species targeted by conservation measures and can be distributed across a wide range of habitats that may be affected differently by these measures. We analyse the effect of a range of pressures related to climate, land use and land use intensity, on 263 common bird and 144 common butterfly species from more than 20,000 sites between 2000 and 2021 across 26 European countries. We use land-use and land-use-intensity change scenarios produced previously using the IPBES Nature Futures Framework to support the achievement of conservation objectives, as well as climate change scenarios in order to project the future of biodiversity pressures in Europe up to 2050. To project the future of common biodiversity in these scenarios, we translate these pressure changes into expected variations of abundances for all common bird and butterfly species, as well as for the multi-species indicators used to monitor common biodiversity status in Europe. The projected trends are improved, while still declining, for birds in particular farmland species under the scenarios that meet the conservation objectives, with few effects on butterflies. No scenario shows a stop or a reversal in the decline in abundance of bird and butterfly species that are currently common, on the time scale considered. Our results therefore call into question the fate of common biodiversity under the current conservation policies and the need for other anticipatory frameworks that do not implicitly require a growing need for natural resources. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2509_18227 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Predicted decline in common bird and butterfly species despite conservation policies in Europe Rigal, Stanislas Lenormand, Maxime Tardieu, Léa Auniņš, Ainārs Bakx, Tristan Brambilla, Mattia Brotons, Lluis Chodkiewicz, Tomasz Fontaine, Benoît Fric, Zdenek Faltynek Gamero, Anna Herrando, Sergi Kålås, John Atle Kamp, Johannes Kurlavičienė, Petras Kuussaari, Mikko Lehikoinen, Aleksi Maes, Dirk Mestdagh, Xavier Musche, Martin Øien, Ingar Jostein Pettersson, Lars Reif, Jiří Rüdisser, Johannes Markus Šašić, Martina Schmucki, Reto Stefanescu, Constanti Stokke, Bård Gunnar Strebel, Nicolas Titeux, Nicolas Trautmann, Sven Van Swaay, Chris Luque, Sandra Populations and Evolution In response to increasing threats to biodiversity, conservation objectives have been set at national and international level, with the aim of halting biodiversity decline by reducing direct anthropogenic pressures on species. However, the potential effects of conservation policies derived from these objectives on common species remain rarely studied. Common species are often not the primary species targeted by conservation measures and can be distributed across a wide range of habitats that may be affected differently by these measures. We analyse the effect of a range of pressures related to climate, land use and land use intensity, on 263 common bird and 144 common butterfly species from more than 20,000 sites between 2000 and 2021 across 26 European countries. We use land-use and land-use-intensity change scenarios produced previously using the IPBES Nature Futures Framework to support the achievement of conservation objectives, as well as climate change scenarios in order to project the future of biodiversity pressures in Europe up to 2050. To project the future of common biodiversity in these scenarios, we translate these pressure changes into expected variations of abundances for all common bird and butterfly species, as well as for the multi-species indicators used to monitor common biodiversity status in Europe. The projected trends are improved, while still declining, for birds in particular farmland species under the scenarios that meet the conservation objectives, with few effects on butterflies. No scenario shows a stop or a reversal in the decline in abundance of bird and butterfly species that are currently common, on the time scale considered. Our results therefore call into question the fate of common biodiversity under the current conservation policies and the need for other anticipatory frameworks that do not implicitly require a growing need for natural resources. |
| title | Predicted decline in common bird and butterfly species despite conservation policies in Europe |
| topic | Populations and Evolution |
| url | https://arxiv.org/abs/2509.18227 |