[MARMAM] New publication: Conservation of Amazonian aquatic mammals

Rodrigo Amaral rsamaral at gmail.com
Thu Apr 8 10:32:41 PDT 2021

Dear All,

We are pleased to share our new publication in the journal
Aquatic Conservation: Marine and Freshwater Ecosystems titled
"Conservation of Amazonian aquatic mammals"
Sannie Brum,
Patrícia Rosas‐Ribeiro,
Rodrigo de Souza Amaral,
Diogo Alexandre de Souza,
Leandro Castello and
Vera Maria Ferreira da Silva.


   1. Aquatic mammals worldwide are highly threatened in freshwater
   ecosystems where they are affected by direct human activities (e.g.
   hunting) as well as indirect human alteration of freshwater ecosystems
   (e.g. dams, mining activity). Although aquatic mammals of the Amazon Basin
   are experiencing many growing threats, little is known about the escalating
   impacts on them, current limitations in protection mechanisms, and possible
   strategies to ensure their conservation. This study synthesizes the
   available information on Amazonian aquatic mammals, including the
   ecological characteristics of these species, key threats, population status
   and conservation prospects.
   2. Amazonian aquatic mammals comprise seven species – *Inia geoffrensis*
   , *Inia boliviensis*, *Inia araguaiaensis*, *Sotalia fluviatilis*,
   inunguis*, *Pteronura brasiliensis* and *Lontra longicaudis* – which are
   characterized by low reproductive rates and keystone ecosystem roles. These
   species are endangered mainly by biological resource use, natural ecosystem
   modifications, energy production and mining, and climate change. Although
   information is sparse, there is evidence that these threats are inducing
   population declines of *Inia* spp., and hindering the recovery of
   populations of *P. brasiliensis*.
   3. Protection mechanisms for these species mostly include national and
   international laws and agreements, legislation governing environmental
   licensing and protected areas. Each of these protection mechanisms,
   however, has limited capacity to protect Amazonian aquatic mammals, largely
   because they are poorly enforced, lack transnational coordination or
   require population trend data that do not exist.
   4. Reversing the current state of affairs for Amazonian aquatic mammals
   requires an integrated research and policy approach that, at a minimum,
   substantially increases the present capacity to monitor their population
   responses to human impacts, establishes effective enforcement of existing
   legislation and prevents further impacts from hydropower development. To
   implement such an approach, information on the ecology of these species is
   necessary to create public and scientific awareness.

You can access the paper here: https://doi.org/10.1002/aqc.3590

Or can be requested via e-mail from: sanniebrum at gmail.com


Rodrigo Amaral and collaborators.

Rodrigo S Amaral
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