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首页> 外文期刊>Journal of Insect Conservation >A cost-efficient and accurate pheromone-baited monitoring protocol for Elater ferrugineus, a biodiversity indicator of hollow trees
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A cost-efficient and accurate pheromone-baited monitoring protocol for Elater ferrugineus, a biodiversity indicator of hollow trees

机译：A cost-efficient and accurate pheromone-baited monitoring protocol for Elater ferrugineus, a biodiversity indicator of hollow trees

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Introduction To evaluate the loss of biodiversity, monitoring of priority species has been proposed. As these species need to include different taxonomical and functional groups, there is a need for cost-efficient and accurate monitoring protocols for saproxylic indicator species. Elater ferrugineus is known as an indicator of hollow trees and the associated biodiversity and can be monitored easily with the use of pheromones. Aims/methods We evaluated the effect of the trap type (funnel and bottle trap) and the required sampling effort to detect E. ferrugineus or to monitor its trend with a power of 80%. Results The effort needed for species detection is 7 and 13 days for funnel and bottle trap respectively. While for trend monitoring 27 and 63 days are needed respectively. Trap type was not significant for species detection while for trend monitoring, funnel traps performed significantly better. Discussion The sampling effort is high compared to earlier studies performed on this species, which is likely related to the low habitat quality of the study areas. The local variation found within sites was low reflecting the mobility of the beetle. We conclude that distribution surveys and trend monitoring of this species is feasible with a citizen science approach even in areas with low habitat quality using commercially produced pheromones in respectively bottle and funnel traps. Implications for insect conservation For distribution surveys, we propose to use 4 bottle traps during 3 days in each site. For trend monitoring, we propose to use 1 funnel trap during 27 days or multiple traps in a shorter period.

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