SciELO
The Scientific Electronic Library Online - SciELO is an digital library protecting a specific collection of Brazilian scientific journals. SciELO interface provides access to its serials assortment through an alphabetic record of titles or a Klefer topic listing or a search form by word of serial titles, publisher names, metropolis of publication and subject. 17 The Union, the states, the Federal District, and the municipalities, are the "spheres of presidency".

The target of the location is to implement an electronic virtual library, providing full entry to a group of serial titles, a set of issues from individual serial titles, as well as to the total text of articles. Add to that, Brazil's biodiversity: legendary in scope, its diverse ecosystems boast the greatest collection of plant and animal species found wherever on earth.

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