Text and Data Mining valid from 2019-04-15
Received: 8 November 2018
Accepted: 11 March 2019
First Online: 15 April 2019
: H.C.B., N.K., M.D., J.L.S., D.J.B., N.D.B. and E.L. are employed by UNEP-WCMC. T.M.B. is employed by IUCN. H.C.B., N.K., M.D., J.L.S. and E.L. work directly on the management of the WDPA.