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Deadwood position matters:Diversity and biomass of saproxylic beetles in a temperate beech forest

Forest Ecosystems 2024年第1期11卷 120-130页

作者： Vaclav Zumr oto nakladal Josef Gallo JiríRemes Faculty of Forestry and Wood Sciences Czech University of Life Sciences PragueKamýck a 129Praha 6-Suchdol16500Czech Republic

Deadwood plays a key role for biodiversity in forests.A significant number of beetles from this group are currently listed as endangered in the Red *** addition to other management recommendations,there have been recent efforts to enrich stands with dead wood to promote *** important parameter for forestry enterprises is the optimization of these *** study investigated the abundance,species richness,gamma diversity,conservation value and biomass of saproxylic beetles in natural forests using window traps.A total of 89traps were used for saproxylic beetle monitoring,of which 29 were placed on lying logs,30 on snags and 30 as controls in forest stand space.A total of 35,011 beetles were recorded in 564 species(61 families).Notably,20,515 of these belong to saproxylic beetles(59%)in 311 species(55%),with 62 classified as Red-List species(20%).In the group of'all saproxylic beetles',the results indicate that a diversity and y diversity(q=0)remain consistent across various deadwood types,whileβdiversity showed significant *** differences were found in the Red-List species group,where a diversity and y diversity differed,with higher values observed in *** based total species richness of site was estimated to be 391 species,including 74 Red-Listed *** the sample coverage of the studied stand categories showed that all saproxylic species exhibit a pronounced preference for inhabiting areas featuring lying ***,Red-List species mainly inhabit snags,withβdiversity being more similar to snags and forest stand ***,both the conservation value(weighted average by conservation status)and beetle biomass are significantly highest in snags,whereas stand space shows the lowest values across all measured saproxylic beetle ***,the use of traps set on the poles in forest stand space resulted in an underestimation of the actual stand richness by 20%-25%.Our results support th

关键词： Snags Coleoptera Fagus sylvatica Unmanaged forests Red-list Coarse woody debris

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Diversity of click beetles in managed nonnative coniferous and native beech stands: Consequences of changes in the structural and species composition of tree stands in Central Europe

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Forest Ecosystems 2022年第5期9卷 596-605页

作者： Václav Zumr oto nakladal JiríRemes Tereza Brestovanska Váaclav Zumr Czech University of Life Sciences Prague Faculty of Forestry and Wood SciencesKamýcka 129Praha 6Suchdol16500Czech Republic The Silva Tarouca Research Institute for Landscape and Ornamental Gardening Kvetnove namestí391Průhonice25243Czech Republic SC*** Czech Republic

The natural composition of forests has undergone significant changes over recent centuries.A closer-to-natural tree species composition has long been perceived as key to a high *** investigated the impact on communities of click beetles(Elateridae)caused by changes in the tree species composition of spruce monocultures compared to reference sites of recently unmanaged natural beech *** collect data,passive interception traps were distributed within managed spruce stands of different age classes and natural beech forests of various developmental *** beetle species richness was slightly but not significantly higher in the beech *** saproxylic species group was significantly more common in the spruce stands,whereas the group of nonsaproxylic species was significantly more abundant in the beech *** the commercial stands,the significantly highest species richness was in the clearings(0–10-year-old stands),and at this forest age class,the vast majority of the beetle species occurred in the spruce *** the developmental stages of the natural forest,a slightly higher beetle richness was found at the disintegration *** study results suggested that different tree species compositions and stand structures affect the communities of click beetles and substantially change their species composition and thus their response to external ***,management of stands using diverse silvicultural systems is recommended for creating diverse ecological niches in forests.

关键词： Species richness Forest management Saproxylic beetles Nonsaproxylic beetles Dead wood Elateridae Canopy openness

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