Provenance
Watershed data
The watershed data was downloaded from this site:
https://connect.natureserve.org/science/research/andes-amazon-investment/down...

The results were published by Josse et al., 2013, and here's a link to the webpage:
http://www.lamolina.edu.pe/ecolapl/toma_de_decisiones_de_conservaci%C3%B3n%20...

Rivers data
The rivers data were downloaded from HydroSHEDS, developed by the WWF and hosted by the USGS:
http://hydrosheds.cr.usgs.gov/index.php

Reuse
The terms of use for the watershed data are as follows:
" For non-profit academic or scientific uses or for the sustainable management of natural resources. NatureServe, The Nature Conservancy, and other data contributors, shall not be held liable for improper or incorrect use of the data described and/or contained herein. Any sale, distribution, loan, or offering for use of these digital data, in whole or in part, is prohibited without the approval of the respective data owners. The use of these data to produce other GIS products and services with the intent to sell for a profit is prohibited without the written consent of the data owners. All parties receiving these data must be informed of these restrictions. The respective data owners shall be acknowledged as data contributors to any reports or other products derived from these data."

The terms of use for the river data are given here: http://hydrosheds.cr.usgs.gov/disclaimer.php


ACKNOWLEDGMENT AND CITATION
We kindly ask users to cite HydroSHEDS in any published material produced using this data. If possible, please provide online links to http://www.worldwildlife.org/hydrosheds for general information, and/or http://hydrosheds.cr.usgs.gov for data download and technical information.

Citations should be made as follows:
Lehner, B., Verdin, K., Jarvis, A. (2008): New global hydrography derived from spaceborne elevation data. Eos, Transactions, AGU, 89(10): 93-94.