Specialist carabids in mixed montane forests are positively associated with biodiversity-oriented forestry and abundance of roe deer

The ongoing transition within forest management towards more biodiversity-oriented practices, such as close-to-nature forestry and retention forestry, may benefit forest fauna such as forest-specialized ground beetles (Coleoptera: Carabidae). However, it remains unclear how forest carabids are joint...

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Main Authors: João M. Cordeiro Pereira, Sebastian Schwegmann, Clàudia Massó Estaje, Martin Denter, Grzegorz Mikusiński, Ilse Storch
Format: Article
Language:English
Published: Elsevier 2024-04-01
Series:Global Ecology and Conservation
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S2351989424000258
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author João M. Cordeiro Pereira
Sebastian Schwegmann
Clàudia Massó Estaje
Martin Denter
Grzegorz Mikusiński
Ilse Storch
author_facet João M. Cordeiro Pereira
Sebastian Schwegmann
Clàudia Massó Estaje
Martin Denter
Grzegorz Mikusiński
Ilse Storch
author_sort João M. Cordeiro Pereira
collection DOAJ
description The ongoing transition within forest management towards more biodiversity-oriented practices, such as close-to-nature forestry and retention forestry, may benefit forest fauna such as forest-specialized ground beetles (Coleoptera: Carabidae). However, it remains unclear how forest carabids are jointly affected by these practices in Central European montane forests, which host particularly sensitive, range-restricted carabid species, and where biodiversity-oriented forestry is widely applied. Moreover, roe deer (Capreolus capreolus), the most common large herbivore in these forests, is intensively managed to reduce browsing pressure, but it is yet unknown how this may affect carabids, alongside the effect of silviculture. On 66 1-ha plots in the Black Forest region of Germany, we sampled carabids with pitfall traps, measured roe deer abundances using camera trapping, and measured several structural variables directly related to close-to-nature and retention practices, as well as variables describing microclimate and landscape-level forest cover. We found that the carabid assemblage was dominated by forest specialists, with little influence from fragmentation of the surrounding forest. Higher broadleaf share (and canopy cover for montane specialists) was correlated with higher carabid activity-density. Increasing stand maturity (and lying deadwood volume for montane specialists), was correlated with higher species richness. Plots with higher roe deer abundances showed higher carabid richness and activity-density. Assemblage composition changed along the altitudinal gradient, and both richness and activity-density increased with elevation. Thus, carabid communities, including montane specialists and several species of conservation interest, stand to benefit from close-to-nature and retention practices, if applied throughout the altitude range of montane forests. Forest carabids may additionally profit from maintaining higher roe deer abundances, but further research is needed to understand this causal link, as well as to weigh the costs and benefits of deer culling for forest biodiversity.
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spelling doaj.art-1d1d0476c1e447dfab138df7bbab29762024-03-06T05:27:21ZengElsevierGlobal Ecology and Conservation2351-98942024-04-0150e02821Specialist carabids in mixed montane forests are positively associated with biodiversity-oriented forestry and abundance of roe deerJoão M. Cordeiro Pereira0Sebastian Schwegmann1Clàudia Massó Estaje2Martin Denter3Grzegorz Mikusiński4Ilse Storch5Chair of Wildlife Ecology and Management, University of Freiburg, Tennenbacher Str. 4, 79106 Freiburg im Breisgau, Germany; Corresponding author.Chair of Wildlife Ecology and Management, University of Freiburg, Tennenbacher Str. 4, 79106 Freiburg im Breisgau, GermanyDepartment of Animal Ecology and Tropical Biology, Biocenter, University of Würzburg, Am Hubland, 97074 Würzburg, GermanyChair of Remote Sensing and Landscape Information Systems, University of Freiburg, Tennenbacher Str. 4, 79106 Freiburg im Breisgau, GermanySchool for Forest Management, Swedish University of Agricultural Sciences, Box 43, SE-739 21 Skinskatteberg, SwedenChair of Wildlife Ecology and Management, University of Freiburg, Tennenbacher Str. 4, 79106 Freiburg im Breisgau, GermanyThe ongoing transition within forest management towards more biodiversity-oriented practices, such as close-to-nature forestry and retention forestry, may benefit forest fauna such as forest-specialized ground beetles (Coleoptera: Carabidae). However, it remains unclear how forest carabids are jointly affected by these practices in Central European montane forests, which host particularly sensitive, range-restricted carabid species, and where biodiversity-oriented forestry is widely applied. Moreover, roe deer (Capreolus capreolus), the most common large herbivore in these forests, is intensively managed to reduce browsing pressure, but it is yet unknown how this may affect carabids, alongside the effect of silviculture. On 66 1-ha plots in the Black Forest region of Germany, we sampled carabids with pitfall traps, measured roe deer abundances using camera trapping, and measured several structural variables directly related to close-to-nature and retention practices, as well as variables describing microclimate and landscape-level forest cover. We found that the carabid assemblage was dominated by forest specialists, with little influence from fragmentation of the surrounding forest. Higher broadleaf share (and canopy cover for montane specialists) was correlated with higher carabid activity-density. Increasing stand maturity (and lying deadwood volume for montane specialists), was correlated with higher species richness. Plots with higher roe deer abundances showed higher carabid richness and activity-density. Assemblage composition changed along the altitudinal gradient, and both richness and activity-density increased with elevation. Thus, carabid communities, including montane specialists and several species of conservation interest, stand to benefit from close-to-nature and retention practices, if applied throughout the altitude range of montane forests. Forest carabids may additionally profit from maintaining higher roe deer abundances, but further research is needed to understand this causal link, as well as to weigh the costs and benefits of deer culling for forest biodiversity.http://www.sciencedirect.com/science/article/pii/S2351989424000258Ground beetlesUngulatesSustainable forest managementMulti-purpose forestryCentral Europe
spellingShingle João M. Cordeiro Pereira
Sebastian Schwegmann
Clàudia Massó Estaje
Martin Denter
Grzegorz Mikusiński
Ilse Storch
Specialist carabids in mixed montane forests are positively associated with biodiversity-oriented forestry and abundance of roe deer
Global Ecology and Conservation
Ground beetles
Ungulates
Sustainable forest management
Multi-purpose forestry
Central Europe
title Specialist carabids in mixed montane forests are positively associated with biodiversity-oriented forestry and abundance of roe deer
title_full Specialist carabids in mixed montane forests are positively associated with biodiversity-oriented forestry and abundance of roe deer
title_fullStr Specialist carabids in mixed montane forests are positively associated with biodiversity-oriented forestry and abundance of roe deer
title_full_unstemmed Specialist carabids in mixed montane forests are positively associated with biodiversity-oriented forestry and abundance of roe deer
title_short Specialist carabids in mixed montane forests are positively associated with biodiversity-oriented forestry and abundance of roe deer
title_sort specialist carabids in mixed montane forests are positively associated with biodiversity oriented forestry and abundance of roe deer
topic Ground beetles
Ungulates
Sustainable forest management
Multi-purpose forestry
Central Europe
url http://www.sciencedirect.com/science/article/pii/S2351989424000258
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