four years of camera trapping the wildcats: the rate of capture success as index of population size?...
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Four years of camera trapping the wildcats: the rate of capture success as index of population size? A case report
from Sicily.Stefano Anile, Dipartimento di Biologia Animale, Università di Catania
Bernardino Ragni, Dipartimento di Biologia Cellulare ed Ambientale, Università di Perugia
VII CONGRESSO ITALIANO DI TERIOLOGIA Fabriano (Ancona) 5-7 Maggio 2010
Four years of camera trapping the wildcats: the rate of trapping success as index of population size?A case report from Sicily.
VII CONGRESSO ITALIANO DI TERIOLOGIA Fabriano (Ancona) 5-7 Maggio 2010
FIRST PERIOD SECOND PERIOD(14 pictures/518 trap-days) vs. (10 pictures/306 trap-days) 1 capture/37 trap-days vs. 1 capture/31 trap-days; X2= 0.02 , N. S.r2006 =1 capture/34.3 trap-days
Anile S, Bizzarri L, Ragni B (2009)Camera trapping the European wildcat (Felis silvestris silvestris) in Sicily (Southern Italy): preliminary resultsHystrix It. J. Mamm. (n.s) 20(1): 55-60
Four years of camera trapping the wildcats: the rate of trapping success as index of population size?A case report from Sicily.
VII CONGRESSO ITALIANO DI TERIOLOGIA Fabriano (Ancona) 5-7 Maggio 2010
Anile S, Bizzarri L, Ragni B (2010) Estimation of european wildcat population size in Sicily (Italy) using camera-trapping and capture-recapture analysesItalian Journal of Zoology in press
r2007 = 1 capture/24.9 trap-days
Four years of camera trapping the wildcats: the rate of trapping success as index of population size?A case report from Sicily.
VII CONGRESSO ITALIANO DI TERIOLOGIA Fabriano (Ancona) 5-7 Maggio 2010
r 2008 = 1 capture/122 trap-days
Four years of camera trapping the wildcats: the rate of trapping success as index of population size?A case report from Sicily.
VII CONGRESSO ITALIANO DI TERIOLOGIA Fabriano (Ancona) 5-7 Maggio 2010
Station/Trap X Y Start Time End Time trap-days Events
1 AB 493127 4176420 14/05/2009 13/07/2009 60 1
2 CD 492201 4176312 14/05/2009 13/07/2009 60
3 EF 491505 4175875 14/05/2009 13/07/2009 60 6
4 GH 490719 4175804 14/05/2009 13/07/2009 60
5 IL 490619 4176374 14/05/2009 13/07/2009 60 4
6 MN 489569 4176316 14/05/2009 13/07/2009 60
7 OP 488916 4175628 14/05/2009 13/07/2009 60 2
8 QR 490055 4177155 14/05/2009 13/07/2009 60 5
9 ST 491098 4177436 14/05/2009 13/07/2009 60 1
10 AB 489974 4175547 13/07/2009 11/09/2009 60 2
11 CD 488185 4176216 13/07/2009 11/09/2009 60
12 EF 488750 4176737 13/07/2009 11/09/2009 60 1
13 GH 489291 4178907 13/07/2009 11/09/2009 60 2
14 IL 489883 4178595 13/07/2009 11/09/2009 60 3
15 MN 490410 4178149 13/07/2009 11/09/2009 60
16 OP 492195 4177410 13/07/2009 11/09/2009 60
17 QR 491561 4176643 13/07/2009 11/09/2009 60 2
18 ST 488647 4174766 13/07/2009 11/09/2009 60 3
r2009= 1 capture/ 34.84 trap-days trap-days 1080 32 events
finalmente il digitale
Four years of camera trapping the wildcats: the rate of trapping success as index of population size?A case report from Sicily.
VII CONGRESSO ITALIANO DI TERIOLOGIA Fabriano (Ancona) 5-7 Maggio 2010
year n trap-days n events r n stations
2006A 6 518 14 1/37.00 13
2006B 3 306 10 1/30.60 7
2007 9 671 27 1/24.85 11
2008 3 732 6 1/122.00 12
2009 10 1080 31 1/34.84 18
Four years of camera trapping the wildcats: the rate of trapping success as index of population size?A case report from Sicily.
VII CONGRESSO ITALIANO DI TERIOLOGIA Fabriano (Ancona) 5-7 Maggio 2010
Carbone et al. (2001)The use of photographic rates to estimate densities of tigers and other cryptic mammalsAnimal Conservation 4: 75-79
Rovero & Marshall (2009) Camera trapping photographic rate as an index of density in forest ungulates
Journal of Applied Ecology 46: 1011-1017
Rowcliffe et al. (2008)Estimating animal density using camera traps without the need for
individual recognition
Journal of Applied Ecology
O’Brien et al. (2003)Crouching tigers, hidden prey: Sumatrian tiger and prey populations in a tropical forest landscapeAnimal Conservation 6: 131-139
Four years of camera trapping the wildcats: the rate of trapping success as index of population size?A case report from Sicily.
VII CONGRESSO ITALIANO DI TERIOLOGIA Fabriano (Ancona) 5-7 Maggio 2010
Four years of camera trapping the wildcats: the rate of trapping success as index of population size?A case report from Sicily.
VII CONGRESSO ITALIANO DI TERIOLOGIA Fabriano (Ancona) 5-7 Maggio 2010
Ringraziamenti
Alla mia famiglia
Ripartizione Faunistico Venatoria di Catania Dott. Carlo Amico & Dott. Maurizio Pennisi
Ettore Centofanti per www.fototrappolaggio.com