Ecologically similar saproxylic beetles depend on diversified deadwood resources: From habitat requirements to management implications

摘要: Abstract Organisms dependent on dead wood (i.e., saproxylic) are some of the most threatened by changes in forest environment. Aside from anthropogenic disturbances resulting fragmentation and a decrease wood, expansion homogenous closed-canopy forests due to successional is identified as main threat for many saproxylic organisms. It especially important major conservation areas Europe. Thus, studies combining knowledge about habitat requirements species with impacts different types management populations these organisms essential identify effective strategies. In this study, we focused three beetles similar ecology, i.e., Cucujus cinnaberinus, C. haematodes Boros schneideri, close-to-natural forest. The study was conducted stronghold temperate Europe, Bialowieza Forest Poland, based field survey more than 11,000 pieces. We investigated their relationships environment at tree landscape levels. further analysed distribution under various levels intensity. Based results present published data compositional area, attempt formulate implications related studied beetles. cinnaberinus widespread frequent species, preference high-diameter aspens managed high amounts. second abundant haematodes, preferred downed ashes alders rather fragmented bark. Its spatially aggregated unmanaged forests. rarest beetle B. associated large pines. Our confirm importance also revealed highly diversified demands beetles, which may not be met future if abundance declining. recommend strategy that combines non-intervention towards naturally developed deadwood monitoring recruitment necessary, measures assure particular e.g., pine aspen. Future should investigate role natural thus, long-term persistence species.