Area of relevant ecological interest (Brazil)

An area of relevant ecological interest[a] (Portuguese: Área de Relevante Interesse Ecológico, Arie) is a type of protected area of Brazil with unusual natural features and with little or no human occupation.


"Area of relevant ecological interest" is among the types of sustainable use protected area defined by Law No. 9.985 of 18 July 2000, which established the National System of Conservation Units (SNUC).[1] It is generally a small area with little or no human occupation that has unique natural features or that harbours rare examples of regional biota. It was created to maintain these natural ecosystems of regional or local importance, and to regulate the permissible use of these areas where compatible with the objectives of conservation of nature.[2] The area may consist of public or private land subject to laws which may impose rules and restrictions on use of private land in such an area.[3]


Areas of relevant ecological interest include:[3][4]

Name Level State Area (ha) Established
Biological Dynamics of Forest Fragments Project Federal Amazonas 3,288 1985
Buriti de Vassununga Federal São Paulo 150 1990
Capetinga/Taquara Federal Federal District 2,100 1985
Cerrado Pé de Gigante Federal São Paulo 11 1990
Cocorobó Federal Bahia 7,500 1984
Floresta da Cicuta Federal Rio de Janeiro 131 1985
Guará State São Paulo 455 2008
Ilha das Cagarras Federal Rio de Janeiro 200
Ilha do Ameixal Federal São Paulo 400 1985
Ilha do Pinheiro e do Pinheirinho Federal Paraná 109
Ilhas Queimada Pequena e Queimada Grande Federal São Paulo 33 1985
Japiim-Pentecoste State Acre 25,000 2009
Javari Buriti (Javari Mirim) Federal Amazonas 15,000 1985
Mamanguape River Mangroves Federal Paraíba 5,721 1985
Mata de Santa Genebra Federal São Paulo 252 1985
Matão de Cosmópolis Federal São Paulo 173 1985
Pontal dos Latinos e Pontal dos Santiagos Federal Rio Grande do Sul 2,995 1984
Seringal Nova Esperança Federal Acre 2,576 1999
Serra da Abelhas Federal Santa Catarina 4,604 1996
Valley of the Dinosaurs Federal Paraíba 5,000 1984


  1. ^ The term Área de Relevante Interesse Ecológico is usually given a literal (but awkward) translation as "area of relevant ecological interest". Sometimes "relevant" is replaced by "special", "particular", "considerable", etc. and sometimes it is simply translated "Area of ecological interest".


  • Áreas protegidas (in Portuguese), Apremavi - Associação de Preservação do Meio Ambiente e da Vida, archived from the original on 2016-05-02, retrieved 2016-05-08
  • Área de Relevante Interesse Ecológico (in Portuguese), ISA: Instituto Socioambiental, retrieved 2016-05-08
  • Categorias (in Portuguese), ICMBio, retrieved 2016-05-08
  • "Part VI", First national report for the Convention on Biological Diversity - BRAZIL (PDF), Ministry of Environment, retrieved 2016-07-23