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Estimating production in ducks : a comparison between ground surveys and unmanned aircraft surveys

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Date
2018
Author(s)
Pöysä, Hannu
Kotilainen, Juho
Väänänen, Veli-Matti
Kunnasranta, Mervi
Unique identifier
10.1007/s10344-018-1238-2
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Citation
Pöysä, Hannu. Kotilainen, Juho. Väänänen, Veli-Matti. Kunnasranta, Mervi. (2018). Estimating production in ducks : a comparison between ground surveys and unmanned aircraft surveys.  European Journal of Wildlife Research, 64, 74. 10.1007/s10344-018-1238-2.
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CC BY http://creativecommons.org/licenses/by/4.0/
Abstract

We tested the use of unmanned aerial systems (UAS) in duck brood surveys in boreal wetlands in Finland. We performed brood surveys at the same wetlands concurrently with ground-based point counts and using a UAS (multicopter; drone counts) equipped with a camera that produced high-quality images for identification of broods and ducklings. The number of broods did not differ between point counts and drone counts in three duck species, the mallard (Anas platyrhynchos), common teal (Anas crecca), and common goldeneye (Bucephala clangula). The number of ducklings was higher in drone counts than in point counts in the common teal, but no such difference was found in the mallard and common goldeneye. UAS-based images seem to be useful for estimating numbers of both broods and ducklings for different duck species, although the manual processing of images is labor intensive.

Subjects
brood size   drone   multicopter   species detection   waterbird census   
URI
https://erepo.uef.fi/handle/123456789/7200
Link to the original item
http://dx.doi.org/10.1007/s10344-018-1238-2
Publisher
Springer Nature America, Inc
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  • Luonnontieteiden ja metsätieteiden tiedekunta [1144]
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