Multi-taxa consequences of management for an avian umbrella species

Hawkes, Robert W., Smart, Jennifer, Brown, Andy, Jones, Helen, Lane, Steven, Wells, Doreen and Dolman, Paul M. ORCID: (2019) Multi-taxa consequences of management for an avian umbrella species. Biological Conservation, 236. pp. 192-201. ISSN 0006-3207

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Whether management for so-called umbrella species actually benefits co-occurring biota has rarely been tested. Here, we studied consequences for multiple invertebrate taxa of two ground-disturbance treatments designed to support an avian umbrella species (Eurasian stone-curlew, Burhinus oedicnemus), and whether analysing ecological requirements across the regional species pool predicted beneficiaries. Responses were assessed for the abundance of five bird species of conservation concern, and the abundance, species richness and composition of carabids, staphylinids, other beetles (non-carabid, non-staphylinid), true bugs and ants, sampling 31258 individuals of 402 species in an extensively-replicated experiment across the UK’s largest grass-heath. Both treatments provided suitable habitat for the umbrella species, in contrast to controls. Treatment influenced the abundance of only one bird species; but carabid, other beetle and ant richness increased with one or both treatments, while staphylinid richness and abundance increased and true bug richness and abundance decreased with both treatments. Richness of ‘priority’ (rare, scarce or threatened) invertebrates a priori considered to share ecological requirements with the umbrella species (predicted beneficiaries) increased with both treatments. Resampling and rarefaction showed landscapes diversified by treatment supported a greater cumulative species richness of other beetles, ants and true bugs, and importantly priority invertebrates, than a landscape comprising only untreated controls. Such experiments provide strong evidence to assess co-benefits of umbrella species management, but are costly and time consuming. The systematic examination of the autoecological requirements of co-occurring taxa (the ‘Biodiversity Audit Approach’) successfully predicted likely beneficiaries. Demonstrating wider biodiversity benefits strengthens the case for avian conservation management.

Item Type: Article
Uncontrolled Keywords: surrogate species,conservation management,eurasian stone-curlew,burhinus oedicnemus,invertebrate conservation,grassland,ecology,nature and landscape conservation ,/dk/atira/pure/subjectarea/asjc/2300/2303
Faculty \ School: Faculty of Science > School of Environmental Sciences
Faculty of Science > School of Biological Sciences
UEA Research Groups: Faculty of Science > Research Centres > Centre for Ecology, Evolution and Conservation
Faculty of Science > Research Groups > Environmental Biology
Depositing User: LivePure Connector
Date Deposited: 05 Jun 2019 12:30
Last Modified: 22 Oct 2022 04:46
DOI: 10.1016/j.biocon.2019.05.039

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