Exploring the feasibility of unmanned aerial vehicles and thermal imaging for ungulate surveys in forests - preliminary results
PBN-AR
Instytucja
Wydział Geografii i Studiów Regionalnych (Uniwersytet Warszawski)
Informacje podstawowe
Główny język publikacji
en
Czasopismo
INTERNATIONAL JOURNAL OF REMOTE SENSING (30pkt w roku publikacji)
ISSN
0143-1161
EISSN
Wydawca
TAYLOR & FRANCIS LTD
DOI
URL
Rok publikacji
2017
Numer zeszytu
Strony od-do
1-18
Numer tomu
Identyfikator DOI
Liczba arkuszy
Streszczenia
Język
en
Treść
Effective wildlife management and conservation require reliable assessments of animal abundance. However, no ungulate monitoring methods is entirely satisfying in terms of cost-effectiveness and accuracy. A new method combining unmanned aerial vehicles (drones) and thermal infrared (TIR) imaging may have great potential as a tool for ungulate surveys. Drones enable safe operations at low flying altitudes, and at night – a time that often offers the optimal conditions for wildlife monitoring. To assess the feasibility of the proposed method we used fixed-wing drones with TIR cameras to conduct test surveys in Drawieński National Park, Poland. We demonstrated that ungulate thermal signatures are visible both in leafless deciduous and in pine-dominated coniferous forests. Survey timing highly influenced the results – the best quality thermal images were obtained at sunrise, late evening, and at night. Our preliminary results indicated that thermal surveys from drones are a promising method for ungulate enumeration. We demonstrated that with ground resolution of ~10 cm it is possible to visibly distinguish large species (i.e. red deer) and achieve a good level of area coverage. The main challenges of the method are difficulties in species identification due to relatively low resolution of TIR cameras, regulations limiting drone operations to visual line of sight, and high dependence on weather.
Cechy publikacji
discipline:Biologia
discipline:Geografia
discipline:Biology
discipline:Geography
Original article
Original article presents the results of original research or experiment.
Oryginalny artykuł naukowy
Oryginalny artykuł naukowy przedstawia rezultaty oryginalnych badań naukowych lub eksperymentu.
Inne
System-identifier
PBN-R:834734
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