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Description of a robust interception trap for collecting airborne arthropods in climatically challenging regions

Published online by Cambridge University Press:  08 March 2013

Roger Farrow  and
Penelope Greenslade
Roger Farrow
Affiliation:
Tilembaya, 777 Urila Road, Urila, NSW 2620, Australia
Penelope Greenslade*
Affiliation:
Environmental Management, University of Ballarat, Ballarat, VIC 3350, Australia Botany and Zoology, Department of Biology, Australian National University, GPO, ACT 0200, Australia
*
*Corresponding author: [email protected]
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Abstract

An interception trap to collect airborne arthropods under extreme weather conditions is described. The trap, constructed from durable materials, is operated by wind pressure. It consists of a funnel of fine brass gauze mounted inside a cylinder of stainless steel that rotates into the wind on a mast at 1.5 m from the ground. The gauze funnel terminates in a removable, propanol-filled, collecting bottle into which airborne material accumulates. The counterbalanced cylinder rotates around a central shaft on roller bearings and faces into the wind. Two traps were successfully operated continuously for four and five years, respectively, on sub-Antarctic Macquarie Island and have collected large numbers of airborne arthropods and other biological material over this period.

Keywords

brass gauzeimmigrantsinvertebratesMacquarie Islandstainless steelwind
Type
Biological Sciences
Information
Antarctic Science , Volume 25 , Issue 5 , October 2013 , pp. 657 - 662
Copyright
Copyright © Antarctic Science Ltd 2013 

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