The decree creating the Caatinga Ecological Corridor was signed on 28 April 2006 by the Minister of the Environment,
Marina Silva. The ordnance was published on 4 May 2006. It was the second officially recognized ecological corridor, the first being the
Capivara-Confusões Ecological Corridor, created in March 2006. The corridor covers about of
caatinga. It is designed to interconnect eight conservation units and 40 municipalities in the states of
Pernambuco,
Bahia,
Sergipe,
Alagoas and
Piauí. It excludes urban areas. The
Brazilian Institute of Environment and Renewable Natural Resources (IBAMA) is responsible for management. It was expected that all municipalities would be subject to government regulations to conserve biodiversity and promote sustainable development, including replanting degraded areas. Priority areas for conservation, sustainable use and sharing of the benefits of biodiversity are
Angical,
Aiuaba,
Betânia,
Curaçá,
Gararu/
Belo Monte,
Mirandiba, Paus Brancos (
Quixeramobim),
Queimada Nova,
Remanso,
Serra Negra, western
Pernambuco,
Petrolina,
Raso da Catarina,
Rodelas,
Serra Talhada and
Monte Alegre. ==Conservation units==