Are current management recommendations for saproxylic invertebrates effective? A systematic review

Davies, Zoe G. and Tyler, Claire and Stewart, Gavin B. and Pullin, Andrew S. (2008) Are current management recommendations for saproxylic invertebrates effective? A systematic review. Biodiversity and Conservation, 17 (1). pp. 209-234. ISSN 1572-9710. (Full text available)

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http://dx.doi.org/10.1007/s10531-007-9242-y

Abstract

Conservation management recommendations for saproxylic invertebrates advocate the continuous provision of the dead and decayingwood microhabitats that they require for survival. Accepted site-based management practices include leaving fallen dead and decaying wood in situ, providing supplementary coarse woody material (CWM), inducing decay in mature trees and strategic planting in order to maintain a balanced age structure of trees in both space and time. Here we examine the empirical evidence regarding the effectiveness of such interventions using rigorous systematic reviewmethodology. Systematic searching yielded 27 studies containing pertinent information. The evidence presently available is insufficient to critically appraise the utility of any specific intervention for conserving saproxylic species, or assemblages, in the long-term. However, there are a range of studies, conducted over relatively short periods of time,which do describe changes in saproxylic fauna in response to management practices. In the absence of robust, high quality evidence, recommendations relating to the use of specific site-based conservation interventions should only be regarded as speculative. Nonetheless, general proposals for the maintenance of suitable microhabitats, such as the protection of veteran trees within the landscape, are based on sound ecological principles and should be encouraged even though experimentally controlled and replicated evidence is lacking. Further primary research and long-term monitoring are required to fill the gaps in our ecological knowledge that potentially weaken the case for the effectiveness of current saproxylic invertebrate conservation action and would enable practitioners to make better informed decisions with regard to dead wood protection and provision.

Item Type: Article
Uncontrolled keywords: coarse woody material (CWM); Coleoptera; conservation; dead wood; decaying wood; Diptera; forestry; microhabitat; old-growth; veteran trees
Subjects: Q Science > QH Natural history > QH75 Conservation (Biology)
Divisions: Faculties > Social Sciences > School of Anthropology and Conservation > DICE (Durrell Institute of Conservation and Ecology)
Depositing User: Zoe Davies
Date Deposited: 22 Oct 2011 16:02
Last Modified: 16 May 2014 09:42
Resource URI: http://kar.kent.ac.uk/id/eprint/28301 (The current URI for this page, for reference purposes)
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