期刊
PEST MANAGEMENT SCIENCE
卷 79, 期 6, 页码 2050-2055出版社
JOHN WILEY & SONS LTD
DOI: 10.1002/ps.7379
关键词
ant; eradication; hydrogel; treatment; UAV
This study analysed aerial treatment data from two ant-eradication programs and found that Isolair was more efficient than the use of two underslung buckets, and the use of upgraded Flight Management System (FMS) and higher flight speed was more efficient for bait dispersal by drone. The study suggests practitioners to publish their aerial treatment data and try new methods to improve efficiency and reduce costs.
BACKGROUNDAerial treatments for invasive species management are now common, but we are unaware of any work published in the scientific literature quantifying how the interplay of numerous factors affects flight time and therefore operational costs. Here, we analyse aerial treatment data collected from two ant-eradication programmes, quantifying how the relationships between flight time and area are influenced by numerous aircraft/delivery system/bait/flight speed combinations. RESULTSFor bait dispersal by helicopters, and when swath widths are equivalent, side-mounted Isolair was significantly more efficient than the simultaneous use of two underslung buckets, and use of two buckets was slightly but not significantly more efficient than one bucket. In this scenario, delivery by Isolair was, on average, 39.8% and 31.5% more efficient than the use of one or two buckets, respectively. However, when the swath width used with Isolair was halved to 10 m and flight speed was increased slightly, flight time was significantly greater compared to the other configurations. For bait dispersed by drone, flights conducted using an upgraded Flight Management System (FMS) and greater flight speed but smaller swath width were significantly more efficient than flights using the older FMS and lower flight speed. Over 10 and 50 ha the helicopter was 2.87 and 4.82 times more time efficient than the drone. CONCLUSIONWe encourage practitioners to publish data from their aerial treatments, and to try new methods, to accelerate improvements in efficiency and reduce the costs of aerial treatments. (c) 2023 The Authors. Pest Management Science published by John Wiley & Sons Ltd on behalf of Society of Chemical Industry.
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