Response of bird assemblages to windstorm and salvage logging — Insights from analyses of functional guild and indicator species

Thorn, Simon; Werner, Sinja A.B.; Wohlfahrt, Jürgen; Bässler, Claus; Seibold, Sebastian; Quillfeldt, Petra; Müller, Jörg

doi:10.1016/j.ecolind.2015.06.033

Cited by 39 publications

(30 citation statements)

References 51 publications

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“…During the experimental salvage logging operations, branches were sawed off the trunks and left on the ground, but the main trunk was removed. This resulted in a reduction of dead‐wood resources from ~300 m 3 /ha to ~50 m 3 /ha in all 22 logged areas (details in Thorn et al , ). Beside the removal of dead‐wood resources, salvage logging resulted in additional disturbances such as logging trails and soil compaction.…”

Section: Methodsmentioning

confidence: 99%

Rare species, functional groups, and evolutionary lineages drive successional trajectories in disturbed forests

Thorn

Chao

Bernhardt‐Römermann

et al. 2020

Ecology

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Following natural disturbances, additional anthropogenic disturbance may alter community recovery by affecting the occurrences of species, functional groups, and evolutionary lineages. However, our understanding of whether rare, common, or dominant species, functional groups, or evolutionary lineages are most strongly affected by an additional disturbance, particularly across multiple taxa, is limited. Here, we used a generalized diversity concept based on Hill numbers to quantify the community differences of vascular plants, bryophytes, lichens, wood‐inhabiting fungi, saproxylic beetles, and birds in a storm‐disturbed, experimentally salvage logged forest. Communities of all investigated species groups showed dissimilarities between logged and unlogged plots. Most species groups showed no significant changes in dissimilarities between logged and unlogged plots over the first seven years of succession, indicating a lack of community recovery. In general, the dissimilarities of communities were mainly driven by rare species. Convergence of dissimilarities occurred more often than divergence during the early stages of succession for rare species, indicating a major role in driving decreasing taxonomic dissimilarities between logged and unlogged plots over time. Trends in species dissimilarities only partially match the trends in dissimilarities of functional groups and evolutionary lineages, with little significant changes in successional trajectories. Nevertheless, common and dominant species contributed to a convergence of dissimilarities over time in the case of the functional dissimilarities of wood‐inhabiting fungi. Our study shows that salvage logging following disturbances can alter successional trajectories in early stages of forest succession following natural disturbances. However, community changes over time may differ remarkably in different taxonomic groups and are best detected based on taxonomic, rather than functional or phylogenetic dissimilarities.

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Section: Methodsmentioning

confidence: 99%

Rare species, functional groups, and evolutionary lineages drive successional trajectories in disturbed forests

Thorn

Chao

Bernhardt‐Römermann

et al. 2020

Ecology

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“…For example, the windstorm Kyrill altered assemblages of breeding birds in the Bavarian Forest National Park, and numbers of bird species associated with open landscapes, such as pipits, increased (Thorn et al, 2016c(Thorn et al, , 2013. Likewise, open-habitat bat foraging activity was higher in stands killed by bark beetles, while closed-habitat bat foraging activity was higher in vital spruce stands (Mehr et al, 2012).…”

Section: Increasing Insolation By Disturbancementioning

confidence: 98%

Effects of natural disturbances and salvage logging on biodiversity – Lessons from the Bohemian Forest

Thorn

Bässler

Svoboda

et al. 2017

Forest Ecology and Management

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104

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“…Consequently, different taxonomic groups in different types of natural disturbances may respond differently to salvage logging (Zmihorski & Durska, ). Numerous studies have focused on the effects of salvage logging after natural disturbances on species richness and the community composition of various taxa such as vascular plants (Blair, McBurney, Blanchard, Banks, & Lindenmayer, ; Macdonald, ; Stuart, Grifantini, Fox, & Fox, ), carabids (Cobb, Langor, & Spence, ; Koivula & Spence, ; Phillips, Cobb, Spence, & Brigham, ), birds (Castro, Moreno‐Rueda, & Hódar, ; Choi, Lee, Nam, Lee, & Lim, ; Nappi & Drapeau, ; Saab, Russell, & Dudley, ; Thorn, Werner, et al., ; Zmihorski, ), and saproxylic organisms (i.e. those depending on dead wood during some part of their life cycles; Cobb et al., ; Norvez, Hébert, Bélanger, Hebert, & Belanger, ).…”

Section: Introductionmentioning

confidence: 99%

Impacts of salvage logging on biodiversity: A meta‐analysis

Thorn

Bässler

Brandl

et al. 2017

Journal of Applied Ecology

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279

179

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Logging to "salvage" economic returns from forests affected by natural disturbances has become increasingly prevalent globally. Despite potential negative effects on biodiversity, salvage logging is often conducted, even in areas otherwise excluded from logging and reserved for nature conservation, inter alia because strategic priorities for post-disturbance management are widely lacking.A review of the existing literature revealed that most studies investigating the effects of salvage logging on biodiversity have been conducted less than 5 years following natural disturbances, and focused on non-saproxylic organisms.A meta-analysis across 24 species groups revealed that salvage logging significantly decreases numbers of species of eight taxonomic groups. Richness of dead wood dependent taxa (i.e. saproxylic organisms) decreased more strongly than richness of non-saproxylic taxa. In contrast, taxonomic groups typically associated with open habitats increased in the number of species after salvage logging.By analysing 134 original species abundance matrices, we demonstrate that salvage logging significantly alters community composition in 7 of 17 species groups, particularly affecting saproxylic assemblages. Our results suggest that salvage logging is not consistent with the management objectives of protected areas. Substantial changes, such as the retention of dead wood in naturally disturbed forests, are needed to support biodiversity. Future research should investigate the amount and spatio-temporal distribution of retained dead wood needed to maintain all components of biodiversity.

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Response of bird assemblages to windstorm and salvage logging — Insights from analyses of functional guild and indicator species

Cited by 39 publications

References 51 publications

Rare species, functional groups, and evolutionary lineages drive successional trajectories in disturbed forests

Rare species, functional groups, and evolutionary lineages drive successional trajectories in disturbed forests

Effects of natural disturbances and salvage logging on biodiversity – Lessons from the Bohemian Forest

Impacts of salvage logging on biodiversity: A meta‐analysis

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