Branding
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Storytelling
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DESIGN
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Consulting
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2001
The NGO Associação REGUA obtained its CNPJ at the 2nd Notary Office of Cachoeiras de Macacu.
The Environmental Education Programme was initiated in local schools, together with the Young Guardians Programme, in partnership with the Golden Lion Tamarin Association and with financial support from CI (Conservation International).
2005-2008
Project for the Reintroduction of the Red-billed Curassow (Crax blumenbachii), in partnership with Crax Brasil, the University of São Carlos, and funded by the Wetlands Trust (United Kingdom).
2013
INEA officially approved the creation of REGUA’s first Private Natural Heritage Reserve (RPPN) (302 ha) by the IBIO Institute, with support from SOS Mata Atlântica.
2017-2019
Renewal of sponsorship from Petrobras Socioambiental. The Tapir Reintroduction Project was initiated through Refauna, and the reintroduction of Jacutinga birds through SAVE Brasil. INEA officially approved the creation of REGUA’s third Private Natural Heritage Reserve (RPPN) in the area known as "João Paulo."
2024
Launch of the Replântica Project in partnership with the University of Cologne (TH Köln) and renewal of the partnership with Mitsubishi Corporation for environmental education activities.
2002
The first forest rangers were hired.
The first land acquisition was made to become part of REGUA’s estate.
The Três Picos State Park (PETP) was created, overlapping areas of REGUA.
2008
Participation in the Avistar event, which attracts birdwatchers to the Baixada Fluminense region.
2013-2016
Sponsorship from Petrobras Socioambiental expanded the scope of forest restoration and environmental education, extending the programme throughout the municipality of Cachoeiras de Macacu.
2020-2022
Third phase of the Guapiaçu Project. Activities were suspended due to COVID-19.
2003
Acquisition of Fazenda São José, with facilities suitable for concentrating conservation activities and attracting the target audience of birdwatchers.
2010
SOS Mata Atlântica funded forest restoration in degraded areas of REGUA.
With renovations to the headquarters’ infrastructure, REGUA began to receive groups of university students and researchers.
2014
REGUA received recognition as an Advanced Station of the Atlantic Forest Biosphere Reserve.
2021
Approval of REGUA’s Management Plan. INEA officially approved the creation of REGUA’s fourth and fifth Private Natural Heritage Reserves (RPPNs). Technical and financial partnership with WWF for the restoration of 20 hectares.
2004
The wetland restoration project was initiated at Fazenda São José.
The Biomas Institute carried out a faunal survey, highlighting the good conservation status of the forest.
2011
Iniciativa Verde funded forest restoration in degraded areas of REGUA.
2015
INEA officially approved the creation of REGUA’s second Private Natural Heritage Reserve (RPPN) (35.2 ha) in the Santa Maria neighbourhood.
The first OFF (Fluminense Forest Observatory), organised by INEA and REGUA, attracted reforesters and an audience interested in ecological restoration.
2022
Partnership with the International Institute for Sustainability (IIS) for the enrichment of a 22-hectare area and renewal of the technical and financial partnership with WWF.
2005
Agreement with the Ministry of the Environment (MMA) for the preparation of the Agenda 21 of Cachoeiras de Macacu.
2012
The success of the forest restoration enabled funding from the Central Fluminense Mosaic for the expansion of REGUA’s nursery.
2016
The Alliance for Climate, Community, and Biodiversity approved the reforestation of 100 hectares as part of the Guapiaçu Grande Vida (GGV) project, sponsored by Petrobras.
2023
Initiation of the partnership and sponsorship with Mitsubishi Corporation for environmental education activities

Sustainable Development Goals
We are aligned with the following UN SDGs:
Biodiversity at REGUA
The Atlantic Forest is one of the five main biodiversity hotspots on Earth. Paleoenvironmental studies indicate that the Atlantic Forest was once contiguous with the Amazon, having separated during the Tertiary period, when a progressively more arid climate allowed the Caatinga, Cerrado and Pantanal - dominated by open herbaceous vegetation, drier and scrub formed a formidable barrier between the two great forests. Although the occurrence of wetter periods in the recent Late Pleistocene and Holocene allowed the establishment of forest corridors between the Atlantic Forest and the Amazon, for tens of thousands of years the Atlantic Forest evolved largely in complete geographic isolation. Coupled with a vast latitudinal distribution and wide altitudinal range due to the region's mountainous topography, geographic isolation has produced a rich biodiversity, with an exceptionally high level of endemism. The degree of Endemism of the Flora and Fauna of the Atlantic Forest is around 50%, but reaches 90% for some types of organisms. Bio-inventories at REGUA have shown that, with its continuous forest cover, ranging from the lowland rainforest to the mountain mists at 2,000 meters above sea level, wetlands, rivers, pastures and agricultural fields, REGUA is a important area of the Atlantic Forest for biodiversity and an area of high conservation priority.
Amphibians
456 species of amphibians are found in the Atlantic Forest, of which 282 (62%) are endemic to the
biome. 73 species have been registered in REGUA to date.
Arachnids
58 species of arachnid have been identified in REGUA, including 48 spiders (Arachnida), eight harvestmen (Opiliones) and two species of scorpion (Scorpiones).
Birds
682 bird species occur in the Atlantic Forest, and 199 (29%) of these are endemic to the Atlantic Forest. More than 470 species have been found to date at REGUA.
Butterflies
2,120 butterfly species have been recorded for the Atlantic Forest. Of these, around 430 species have been found in REGUA to date.
Dragonflies and damselflies
REGUA is home to more species of Odonata than anywhere else in the Atlantic Forest, with 204 species registered so far.
Mammals
The Atlantic Forest has a total of 264 recorded species of mammals; of which 72 (27%) are endemic to the biome, as well as 80% of primate species. In REGUA a total of 61 species have been registered to date.
Moths
There is clearly a huge diversity of moths at REGUA and so far 158 species have been recorded, including 76 species of hawkmoth.
Orchids
A total of 97 orchid species belonging to 51 genera have been identified in REGUA. 44 of these species are new records for the municipality of Cachoeiras de Macacu.
Reptiles
About 311 species of reptiles occur in the Atlantic Forest, with 94 (30%) of them being endemic to the region. 42 species have been recorded in REGUA to date.

UERJ researcher conducting amphibian ecology studies - © REGUA
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Horned Frog- © REGUA
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