Daily Evolution of the Insect Biomass Spectrum in an Agricultural Landscape Accessed with Lidar
1 Lund Laser Centre (LLC), Lund University, Sölvegatan 14, 22362 Lund, Sweden
2 Centre for Animal Movement Research (CAnMove), Lund University, Sölvegatan 37, 22362 Lund, Sweden
3 Laser Research Institute (LRI), Stellenbosch University, Private Bag X1, 7602 Matieland, South Africa
4 Norsk Elektro Optikk AS (NEO), Prost Stabels vei 22, N-2019 Skedsmokorset, Norway
5 National Veterinary Institute, Technical University of Denmark, Bülowsvej 27, 1870 Frederiksberg C, Denmark
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Published online: 7 June 2016
We present measurements of atmospheric insect fauna intercepted by a static lidar transect over arable and pastoral land over one day. We observe nearly a quarter million of events which are calibrated to optical cross section. Biomass spectra are derived from the size distribution and presented against space and time. We discuss detection limits and instrument biasing, and we relate the insect observations to relevant ecological landscape features and land use. Future directions and improvements of the technique are also outlined.
© Owned by the authors, published by EDP Sciences, 2016
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