Unmanned Aerial Survey of Elephants

PLoS ONE

Volumn 8, Issue 2, 2013, Pages

  Vermeulen, Cédric ^a   Lejeune, Philippe ^a   Lisein, Jonathan ^a   Sawadogo, Prosper ^b   Bouché, Philippe ^a  

^a UNIVERSITY OF LIÈGE   (Belgium)

^b Section Suivi Écologique du Ranch de Gibier de Nazinga Office National des Aires Protégées   (Burkina Faso)

Author keywords

[No Author keywords available]

Indexed keywords

ANIMAL BEHAVIOR; ANIMAL STRUCTURES; ARTICLE; BODY SIZE; CAMERA; CONTROLLED STUDY; DEVICES; ELEPHANT; ENVIRONMENTAL MONITORING; IMAGE ANALYSIS; IMAGE QUALITY; NONHUMAN; POPULATION DENSITY; UNMANNED AIRCRAFT SYSTEM; WILDLIFE; AIRCRAFT; ANIMAL; BURKINA FASO; EVOLUTION; GROWTH, DEVELOPMENT AND AGING; INFORMATION PROCESSING; PHYSIOLOGY;

AIRCRAFT; ANIMALS; BEHAVIOR, ANIMAL; BIOLOGICAL EVOLUTION; BURKINA FASO; DATA COLLECTION; ELEPHANTS;

EID: 84873547399     PISSN: None     EISSN: 19326203     Source Type: Journal    
DOI: 10.1371/journal.pone.0054700     Document Type: Article

References (22)

1. Jachmann H (2001) Estimating abundance of African wildlife: an aid to adaptive management. Kluwer Academic Publishers, Boston, Dordrecht, London.
2. Jachmann H (1991) Evaluation of four survey methods for estimating elephant densities. Afr. J. Ecol., 29, 188-195.
3. Bouché P (2012) Évolution des effectifs des populations d'éléphants d'Afrique Soudano-sahélienne: enjeux pour leur conservation. Thèse de doctorat. Université de Liège. Gembloux Agro-Bio Tech.
4. Dunham KM (2012) Trends in populations of elephant and other large herbivores in Gonarezhou National Park, Zimbabwe, as revealed by sample aerial surveys. Afr. J. Ecol. In press.
5. Bouché P, Douglas-Hamilton I, Wittemyer G, Nianogo AJ, Doucet J-L, et al. (2011) Will elephants soon disappear from West African savannahs? PloS ONE 6(6): e20619 doi:10.1371/journal.pone.0020619.
6. Ferreira SM, van Aarde RJ (2009) Aerial survey intensity as a determinant of estimates of African elephant population sizes and trends. South African Journal of Wildlife Research, 39(2), 181-191.
7. Bouché P, Nzapa Mbeti Mange R, Tankalet F, Zowoya F, Lejeune P, et al. (2012) Game over! Wildlife collapse in Northern Central African Republic. Environmental Monitoring and Assessment. In press.
8. Martin J, Edwards HH, Burgess MA, Percival HF, Fagan DE, et al. (2012) Estimating Distribution of hidden objects with drones: from tennis balls to manatees. PLoS ONE 7(6): e38882 doi:10.1371/journal.pone.0038882.
9. Wilkinson BE, Dewitt BA, Watts AC, Mohamed AH, Burgess MA, (2009) A new approach for passpoint generation from aerial video imagery. Photogrammetric Engineering and Remote Sensing 75: 1415-1424.
10. Israel M (2011) A UAV-based roe deer fawn detection system; In International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, Vol. XXXVIII-1/C22 UAV-g 2011, Conference on Unmanned Aerial Vehicle in geomatics, Zurich, Switzerland.
11. Koh LP, Wich SA, (2012) Dawn of drone ecology: low-cost autonomous aerial vehicles for conservation. Tropical Conservation Science 5 (2): 121-132.
12. Jones PG, Pearlstine LG, Percival HF, (2006) An assessment of small unmanned aerial vehicles for wildlife research. Wildlife Society Bulletin 34(3): 750-758.
13. National Oceanic and Atmospheric Administration (2009) NOAA Unmanned Aircraft Helping Scientists Learn About Alaskan Ice Seals. Available: http://uas.noaa.gov. Accessed 1 Aug 2011.
14. Sarda-Palomera F, Bota G, Vinolo C, Pallares O, Sazatornil V, et al. (2012) Fine-scale bird monitoring from light unmanned aircraft systems. Ibis 154: 177-183.
15. Watts AC, Perry JH, Smith SE, Burgess MA, Wilkinson BE, et al. (2010) Small unmanned aircraft systems for low-altitude aerial surveys. Journal of Wildlife Management 74(7): 1614-1619.
16. Norton-Griffiths (1978) Counting animals. AWF Handbook no 1. AWF.
17. Bouché P, Lejeune P, Vermeulen C, (2012) How to count elephants in West African savannahs? Synthesis and comparison of main gamecount methods. Biotechnology, Agronomy, Sociology and Environment 16 (1): 77-91.
18. Marchal A, Lejeune P, Bouché P, Ouédraogo M, Sawadogo P, et al. (2012) Status of medium-sized ungulate populations in 2010, at the Nazinga Game Ranch, Burkina Faso (Western Africa). Biotechnology, Agronomy, Sociology and Environment 16 (3): 307-315.
19. Dekker AJFM (1985) Carte de paysage de la région du Ranch de Gibier de Nazinga, Burkina Faso. PNUD/FAO, DP/BKF/82/008.
20. Croze H, (1972) A modified photogrammetric technique for assessing age structures of elephant populations and its use in Kidepo National Park. Afr J Ecol 10: 91-115.
21. Trimble MJ, van Aarde RJ, Ferreira SM, Nørgaard CF, Fourie J, et al. (2011) Age determination by back length for African savanna elephants: extending age assessment techniques for aerial-based surveys. PLoS ONE 6(10): e26614 doi:10.1371/journal.pone.0026614.
22. Nichols JD, Hines JE, Sauer JR, Fallon FW, Fallon JE, Heglund PJ, (2000) A double observer approach for estimating detection probability and abundance from points counts. The Auk 117(2): 393-408.