Multiple forest structural elements are needed to promote beetle biomass, diversity and abundance

作     者：Nolan J.Rappa Michael Staab Julian Frey Nathalie Winiger Alexandra-Maria Klein Nolan J.Rappa;Michael Staab;Julian Frey;Nathalie Winiger;Alexandra-Maria Klein

作者机构：Nature Conservation and Landscape EcologyUniversity of FreiburgTennenbacherstrasse 479106Freiburg im BreisgauGermany Ecological NetworksTechnical University DarmstadtSchnittspahnstrasse 364287DarmstadtGermany Forest Growth and DendroecologyUniversity of FreiburgTennenbacherstrasse 479106Freiburg im BreisgauGermany Wildlife Ecology and ManagementUniversity of FreiburgTennenbacherstrasse 479106Freiburg im BreisgauGermany 

出 版 物：《Forest Ecosystems》 (森林生态系统（英文版）)

年 卷 期：2022年第9卷第5期

页      面：585-595页

核心收录：

学科分类：07[理学] 0713[理学-生态学] 

基　　金：the RTG ConFoBi has been provided by the German Research Foundation(DFG)(Grant number GRK 2123/2) 

主　　题：Allometry Biodiversity Coleoptera Forest management Terrestrial laser scanning Window trap 

摘      要：Background:Retention forestry is a management strategy aiming to mitigate biodiversity loss by retaining structural elements such as dead trees that would otherwise be *** we analyze the biomass,diversity and abundance among forest beetles collected using window traps on 1281-ha forest sites reflecting gradients in the amount of structural elements in southwestern ***:We found that beetle biomass increased with mean diameter at breast height(a measure of tree size),and decreased with stand structural *** of individual feeding guilds responded differently to forest structural elements,namely lying deadwood,understory complexity,tree basal area and stand structural *** family diversity increased with the effective number of layers,i.e.1-m forest strata occupied by vegetation assessed via terrestrial laser *** of feeding guilds responded to only elevation and share of deciduous *** composition in terms of biomass was structured by forest elements similar to biomass of individual feeding guilds,with the addition of lying *** differed from community composition in terms of abundance of feeding guilds,which was structured by primarily standing deadwood volume and share of deciduous ***:Our results show that biomass,diversity and abundance respond differently to forest structural *** suggests that the concurrent prioritization of multiple forest elements is needed to promote forest beetles,with more focus placed on the differing resource needs among feeding *** addition,retention strategies should also consider the varying responses of beetle biodiversity metrics when assessing the importance of forest structural elements.