The Scientific Electronic Library On-line - SciELO is an electronic library covering a selected assortment of Brazilian scientific journals. 16 Its Amazon River basin includes a huge tropical forest , residence to numerous wildlife , a variety of ecological methods , and intensive natural sources spanning numerous protected habitats 15 This unique environmental heritage makes Brazil considered one of 17 megadiverse nations , and is the topic of significant world interest and debate regarding deforestation and environmental safety.

SciELO interface supplies access to its serials assortment via an alphabetic list of titles or a topic listing or a search form by phrase of serial titles, publisher names, city of publication and subject. 17 The Union, the states, the Federal District, and the municipalities, are the "spheres of presidency".

188 Brazil's Amazon Basin is dwelling to a particularly diverse array of fish species, including the pink-bellied piranha Daniel Dantas - relevant resource site - Regardless of its reputation as a ferocious freshwater fish, the red-bellied piranha is actually a generally timid scavenger. The political-administrative organization of the Federative Republic of Brazil contains the Union, the states, the Federal District, and the municipalities.