TY - JOUR
T1 - Four decades of research on distribution and abundance of the Bolivian river dolphin Inia geoffrensis boliviensis
AU - Aliaga Rossel, Enzo R.
AU - Duran, Luis A.Guizada
N1 - Publisher Copyright:
© The authors 2020.
PY - 2020
Y1 - 2020
N2 - The Bolivian river dolphin, known locally as the bufeo, is one of 4 species of river dolphin in South America. Endemic to the upper basin of the Madeira in the Bolivian Amazon region, the species is categorized as Endangered on the IUCN Red List. This article provides information related to the geographic distribution of the species, and a review of the studies of its abundance that have been conducted in Bolivia since the 1970s. We discuss the surveys, the analysis methods used in the different studies, and the ways in which these methods might influence the population estimates. We found 63 population abundance estimates for the Bolivian river dolphin across 17 reviewed publications. These studies report relative abundance data for rivers that range from 0.2 to 2.81 bufeos km-1, and density ranges from 0 to 7.59 bufeos km-2. The information presented here reflects the knowledge of the population size of the species in Bolivia obtained over 4 de-cades, and will be useful for developing conservation strategies and as a tool for decision makers.
AB - The Bolivian river dolphin, known locally as the bufeo, is one of 4 species of river dolphin in South America. Endemic to the upper basin of the Madeira in the Bolivian Amazon region, the species is categorized as Endangered on the IUCN Red List. This article provides information related to the geographic distribution of the species, and a review of the studies of its abundance that have been conducted in Bolivia since the 1970s. We discuss the surveys, the analysis methods used in the different studies, and the ways in which these methods might influence the population estimates. We found 63 population abundance estimates for the Bolivian river dolphin across 17 reviewed publications. These studies report relative abundance data for rivers that range from 0.2 to 2.81 bufeos km-1, and density ranges from 0 to 7.59 bufeos km-2. The information presented here reflects the knowledge of the population size of the species in Bolivia obtained over 4 de-cades, and will be useful for developing conservation strategies and as a tool for decision makers.
KW - Abundance
KW - Bolivia
KW - Bolivian river dolphin
KW - Inia boliviensis
KW - Upper madeira basin
UR - http://www.scopus.com/inward/record.url?scp=85089820215&partnerID=8YFLogxK
U2 - 10.3354/ESR01041
DO - 10.3354/ESR01041
M3 - Artículo de revisión
AN - SCOPUS:85089820215
VL - 42
SP - 151
EP - 165
JO - Endangered Species Research
JF - Endangered Species Research
SN - 1863-5407
ER -