Case studies  If you want to submit a case study, send an email with: (a) title, (b) author, (c) origin of the data (field work, academic study, etc.) and (d) summary of 4-5 short paragraphs. We can attach your full paper if you wish. Fish introductions in continental waters in Brazil: a serious dilemma - Jean Vitule, Biologist, Curitiba - PR The occupation of Thespesia populnea (l.) Soland in mangroves in Recife – PE: an invasion process - Isabel Fonseca Faro, Landscapist and Environmental Manager - Pernambuco University Spathodea, the beauty that kills biodiversity - João Alberto Ferreira de Mattos, Medical Doctor, Ilhabela, São Paulo Aves ameaçadas por abelhas africanizadas no Cerrado - Nilton Tadeu Vilela Junqueira, Eng. Agrônomo Back