Carabid beetles in solar parks: assemblages under solar panels are severely impoverished compared to gaps between panel rows and edge areas

Publikation: Beitrag in FachzeitschriftArtikelForschungPeer-Review

Autoren

  • Felix Zitzmann
  • Michael Stern
  • Magdalena Schmidt
  • Jens Schirmel

Externe Organisationen

  • Stiftung Tierärztliche Hochschule Hannover
  • Rheinland-Pfälzische Technische Universität Kaiserslautern-Landau (RPTU)
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Details

OriginalspracheEnglisch
Seiten (von - bis)763–776
Seitenumfang14
FachzeitschriftJournal of Insect Conservation
Jahrgang28
Ausgabenummer4
Frühes Online-Datum5 Juni 2024
PublikationsstatusVeröffentlicht - Aug. 2024

Abstract

Renewable energies are a major tool to reduce greenhouse gas emissions and combat climate change. Among renewables, solar parks are a key technology and their expansion will strongly increase in the future. Hence, there is a great need for research regarding their impact on biodiversity. In this study, we investigated the importance of three solar parks in northern Germany as habitat for carabid beetles. More specifically, we determined how habitat characteristics (temperature, vegetation structure), species richness, activity densities and carabid beetle assemblages vary between different locations within solar parks: areas under solar panels “UNDR”, gaps between panel rows “BTW” and areas at the edge of solar parks “EDGE”. We found that UNDR strongly differed from BTW/EDGE in terms of habitat conditions, species richness and activity densities of carabid beetles. UNDR mainly provided habitat for a species- and individual-poor subset of species already present in BTW/EDGE and made only a small contribution to the total species richness of the investigated solar parks. BTW and EDGE, on the other hand, differed only slightly. Thus, the narrow gaps between the panel rows were of similar importance as a habitat for carabid beetles as the edge areas. Overall, the investigated solar parks – and thus also the more species-rich areas EDGE and BTW – almost exclusively provided habitat for widespread and common non-threatened generalists, while species of conservation concern were extremely rare. Implications for insect conservation: The low importance of UNDR for carabid beetles should be considered when assessing the biodiversity value of solar parks, since a large proportion of these facilities is covered with solar panels. Between panel rows and at the edge of solar parks, larger areas should be kept free from construction with solar panels in order to provide habitats for carabid beetles and other species groups. More research should be conducted on how to further improve solar parks for carabid beetles and overall biodiversity.

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Carabid beetles in solar parks: assemblages under solar panels are severely impoverished compared to gaps between panel rows and edge areas. / Zitzmann, Felix; Stern, Michael; Schmidt, Magdalena et al.
in: Journal of Insect Conservation, Jahrgang 28, Nr. 4, 08.2024, S. 763–776.

Publikation: Beitrag in FachzeitschriftArtikelForschungPeer-Review

Zitzmann F, Stern M, Schmidt M, Schirmel J. Carabid beetles in solar parks: assemblages under solar panels are severely impoverished compared to gaps between panel rows and edge areas. Journal of Insect Conservation. 2024 Aug;28(4):763–776. Epub 2024 Jun 5. doi: 10.1007/s10841-024-00597-w
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abstract = "Renewable energies are a major tool to reduce greenhouse gas emissions and combat climate change. Among renewables, solar parks are a key technology and their expansion will strongly increase in the future. Hence, there is a great need for research regarding their impact on biodiversity. In this study, we investigated the importance of three solar parks in northern Germany as habitat for carabid beetles. More specifically, we determined how habitat characteristics (temperature, vegetation structure), species richness, activity densities and carabid beetle assemblages vary between different locations within solar parks: areas under solar panels “UNDR”, gaps between panel rows “BTW” and areas at the edge of solar parks “EDGE”. We found that UNDR strongly differed from BTW/EDGE in terms of habitat conditions, species richness and activity densities of carabid beetles. UNDR mainly provided habitat for a species- and individual-poor subset of species already present in BTW/EDGE and made only a small contribution to the total species richness of the investigated solar parks. BTW and EDGE, on the other hand, differed only slightly. Thus, the narrow gaps between the panel rows were of similar importance as a habitat for carabid beetles as the edge areas. Overall, the investigated solar parks – and thus also the more species-rich areas EDGE and BTW – almost exclusively provided habitat for widespread and common non-threatened generalists, while species of conservation concern were extremely rare. Implications for insect conservation: The low importance of UNDR for carabid beetles should be considered when assessing the biodiversity value of solar parks, since a large proportion of these facilities is covered with solar panels. Between panel rows and at the edge of solar parks, larger areas should be kept free from construction with solar panels in order to provide habitats for carabid beetles and other species groups. More research should be conducted on how to further improve solar parks for carabid beetles and overall biodiversity.",
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TY - JOUR

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AU - Zitzmann, Felix

AU - Stern, Michael

AU - Schmidt, Magdalena

AU - Schirmel, Jens

N1 - Publisher Copyright: © The Author(s) 2024.

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KW - Renewable energies

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