For background research concerning environmental topics, country information and preparation of the journey, the following offline / online sources have been used:

German Federal Foreign Office, Greenpeace, Pressrelations, vistaverde, Starfish, Inka-e.V., Yaqupacha e.V., Naturland e.V., GTZ, Paedquest, Netportal, ReiseKnowHow Ecuador, Lonely Planet, Loose Verlag Publishing, Geo, National Geografic, Discovery Channel, Brehms Tierreich, Pro Regenwald, Funedesin, University Osnabrück, Darwin Foundation, Selvaeco, Die Zeit, Spiegel, Umweltjournal, ecuadorexplorer, planet.com, toursimwatch.de, klimabuendnis.org, carilat.com, atamari.com, riomuchacho.com, yachana.com, amazonwatch.org, embecuador.de, klimabuendnis.org, elcomercio.com, lahora.com, prensaescrita.com, ocpecuador.com, Rettet den Regenwald