Dealing with the clandestine nature of wildlife-trade market surveys

Conservation Biology

Volumn 24, Issue 4, 2010, Pages 918-923

  Barber Meyer, Shannon M ^a  

^a WORLD WILDLIFE FUND   (United States)

Author keywords

Hidden trade; Illegal trade; Market surveys; Occupancy; PRESENCE; Wildlife trade

Indexed keywords

CONSERVATION PLANNING; DECISION MAKING; DISEASE INCIDENCE; FIELD SURVEY; INTERNATIONAL TRADE; MARKET CONDITIONS; POACHING; SOFTWARE; WILD POPULATION;

ANIMAL; ARTICLE; COMMERCIAL PHENOMENA; COMPUTER SIMULATION; ECONOMICS; ENVIRONMENTAL PROTECTION; INFORMATION PROCESSING; LEGAL ASPECT; METHODOLOGY; PHYSIOLOGY; POPULATION DYNAMICS; REPRODUCIBILITY; TIGER; WILD ANIMAL; LEGISLATION AND JURISPRUDENCE; PROCEDURES;

ANIMALS; ANIMALS, WILD; COMMERCE; COMPUTER SIMULATION; CONSERVATION OF NATURAL RESOURCES; DATA COLLECTION; POPULATION DYNAMICS; REPRODUCIBILITY OF RESULTS; RESEARCH DESIGN; TIGERS;

EID: 77954796836     PISSN: 08888892     EISSN: 15231739     Source Type: Journal    
DOI: 10.1111/j.1523-1739.2010.01500.x     Document Type: Article

References (26)

1. Bailey L L, Hines J E, Nichols J D, MacKenzie D I. Sampling design trade-offs in occupancy studies with imperfect detection: examples and software. Ecological Applications 2007, 17:281-290.
2. Baker C S. A truer measure of the market: the molecular ecology of fisheries and wildlife trade. Molecular Ecology 2008, 17:3985-3998.
3. Chhabra D B, Dutta R, Pasha M K S. 2008, 1-8. editors, TRAFFIC Post
4. Chundawat R S. Panthera tigris. 2008 IUCN Red List of threatened species 2008, http://www.iucnredlist.org/details/23179, International Union for Conservation of Nature, Gland, Switzerland, Available from, accessed April 2009
5. Dinerstein E. Setting priorities for the conservation and recovery of wild tigers: 2005-2015. A user's guide 2006, World Wildlife Fund, Wildlife Conservation Society, Smithsonian, and National Fish and Wildlife Foundation-Save the Tiger Fund, Washington, D.C
6. Engler M. The value of international wildlife trade. TRAFFIC Bulletin 2008, 22:4-5.
7. Hines J E. PRESENCE. Version 2.0. Software to estimate patch occupancy and related parameters 2006a, http://www.mbr-pwrc.usgs.gov/software/presence.html, U.S. Geological Survey, Patuxent Wildlife Research Center, Laurel, Maryland, Available from, accessed May 2009
8. Hines J E. GENPRES. Version 2.0 2006b, http://www.mbr-pwrc.usgs.gov/software/presence.html, U.S. Geological Survey, Patuxent Wildlife Research Center, Laurel, Maryland, Available from, accessed May 2009
9. Linkie M, Wibisono H T, Martyr D J, Sunarto S. Panthera tigris ssp. sumatrae. 2008 IUCN Red List of threatened species 2008, http://www.iucnredlist.org/details/15966, International Union for Conservation of Nature, Gland, Switzerland, Available from, accessed April 2009
10. MacKenzie D I, Bailey L L, Nichols J D. Investigating species co-occurrence patterns when species are detected imperfectly. Journal of Animal Ecology 2004, 73:546-555.
11. MacKenzie D I, Nichols J D, Hines J E, Knutson M G, Franklin A B. Estimating site occupancy, colonization, and local extinction when a species is detected imperfectly. Ecology 2003, 84:2200-2207.
12. MacKenzie D I, Nichols J D, Lachman G B, Droege S, Royle J A, Langtimm C A. Estimating site occupancy rates when detection probabilities are less than one. Ecology 2002, 83:2248-2255.
13. MacKenzie D I, Nichols J D, Royle J A, Pollock K H, Bailey L L, Hines J E. Occupancy estimation and modeling: inferring patterns and dynamics of species occurrence 2006, 324. Academic Press, Burlington, Massachusetts, pp
14. MacKenzie D I, Royle J A. Designing occupancy studies: general advice and allocating survey effort. Journal of Applied Ecology 2005, 42:1105-1114.
15. Martin J, Nichols J D, McIntyre C L, Ferraz G, Hines J E. Perturbation analysis for patch occupancy dynamics. Ecology 2009, 90:10-16.
16. McMurray C A. 2007, http://164.109.48.103/g/oes/rls/rm/2007/94157.htm, Assistant Secretary, Bureau of Oceans and International Environmental and Scientific Affairs, U.S. Department of State, Remarks to the Rosenstiel School of Marine and Atmospheric Science. Presentation. Coalition against Wildlife Trafficking, October 2007. Available from, accessed June 2009
17. Ng J, Nemora. Tiger trade revisited in Sumatra, Indonesia 2007, TRAFFIC Southeast Asia, Petaling Jaya, Malaysia
18. Nichols J D, Hines J E, MacKenzie D I, Seamans M E, Gutiérrez R J. Occupancy estimation and modeling with multiple states and state uncertainty. Ecology 2007, 88:1395-1400.
19. Nowak R M. Walker's mammals of the world 1991, Volume 2. 5th edition, The Johns Hopkins University Press, Baltimore, Maryland
20. Nowell K, Ling X. Taming the tiger trade: China's markets for wild and captive tiger products since the 1993 domestic tiger trade ban 2007, TRAFFIC East Asia, Hong Kong
21. Royle J A. Site occupancy models with heterogeneous detection probabilities. Biometrics 2006, 62:97-102.
22. Royle J A, Nichols J D. Estimating abundance from repeated presence-absence data or point counts. Ecology 2003, 84:777-790.
23. Royle J A, Nichols J D, Kéry M. Modelling occurrence and abundance of species when detection is imperfect. Oikos 2005, 110:353-359.
24. Shepherd C R, Magnus N dan. Nowhere to hide: the trade in Sumatran tiger 2004, TRAFFIC Southeast Asia, Petaling Jaya, Selangor, Malaysia
25. Stanley T R, Royle J A. Estimating site occupancy and abundance using indirect detection indices. Journal of Wildlife Management 2005, 69:874-883.
26. Wyler L S, Sheikh P A. International illegal trade in wildlife: threats and U.S. policy 2008, Congressional Research Service report for Congress. Order code RL34395, Penny Hill Press, Damascus, Maryland