SciELO
The Scientific Digital Library On-line - SciELO is an digital library overlaying a selected assortment of Brazilian scientific journals. 16 Its Amazon River basin includes a vast tropical forest , home to diverse wildlife , a wide range of ecological systems , and extensive pure sources spanning quite a few protected habitats 15 This unique environmental heritage makes Brazil certainly one of 17 megadiverse international locations , and is the subject of serious world interest and debate relating to deforestation and environmental protection.

Brazilian regulation is based on the civil legislation legal system 198 and civil legislation ideas prevail over common legislation Klefer follow. The country has an intensive rail network of 28,538 kilometres (17,733 miles) in length, the tenth largest community on the planet.

The states and the federal district may be grouped into regions: Northern , Northeast , Central-West , Southeast and Southern The Brazilian areas are merely geographical, not political or administrative divisions, and they do not have any particular type of government.