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A. Balmford (2012) Wild Hope: On the Frontlines of Conservation Success. Chicago University Press, Chicago, USA.
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F.W. Keppeler. , G. Hallwass & R.A. Matias Silvano (2017) Influence of protected areas on fish assemblages and fisheries in a large tropical river. Oryx, 51, 268–279.
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A.J. Plumptre , S. Nixon , D.K. Kuijirakwinja , G. Vieilledent , R. Critchlow , E.A. Williamson
(2016) Catastrophic decline of the world's largest primate: 80% loss of Grauer's gorilla (Gorilla beringei graueri) population justifies Critically Endangered status. PLoS ONE, 11(10), e0162697.
R.L. Refsnider (2009) The role of the Endangered Species Act in Midwest wolf recovery. In Recovery of Gray Wolves in the Great Lakes Region of the United States (eds E. Heske , T.R. Deelen & A.P. Wydeven ), pp. 311–329. Springer, New York, USA.
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(2016) Assessing the performance of EU nature legislation in protecting target bird species in an era of climate change. Conservation Letters, 9, 172–180.
C.R. Shepherd , E. Connelly , L. Hywood & P. Cassey (2017) Taking a stand against illegal wildlife trade: the Zimbabwean approach to pangolin conservation. Oryx, 51, 280–285.