With flights over Acre, scientists find almost 400 new geoglyphs in the Amazon The State Council for the Environment and Forests (Cemaf) approved new rules to protect archaeological sites in Acre, including geoglyphs. The resolution requires consent from the National Historical and Artistic Heritage Institute (Iphan) for the environmental licensing of projects in these areas and restricts activities such as opening branches, deforestation and construction of properties. Published this Thursday (20) in the Official State Gazette (DOE), the standard defines responsibilities for owners, entrepreneurs and public bodies involved in projects that may affect archaeological heritage. ? Join the g1 AC channel on WhatsApp The main change is that entrepreneurs must present, during the environmental licensing process, a statement from Iphan about the existence of archaeological assets or cultural interest in the area that will be impacted by the project. Geoglyphs are geometric structures excavated in the earth Diego Gurgel/Asscom ?Geoglyphs are geometric structures excavated in the earth, in different formats that can be dated up to three thousand years. Acre is a pioneer and reference when it comes to geoglyphs. In March 2024, the first geoglyph listed in the state had recognition approved by the Ministry of Culture. In total, Acre has registered more than a thousand geoglyphs, being the state with the largest number. MORE protection and monitoring. ? Prohibited activities The resolution establishes restrictions for areas where there are archaeological sites, prohibiting activities that may cause damage to structures or changes to the terrain. Among them are Opening of branches or roads; Mechanical or animal fencing; Planting agricultural or forestry crops; Use of agricultural pesticides and chemical products for soil correction; Logging; Installation of electrical networks; Construction of residences and structures to support rural production; Construction of dams and dams; Exploration of mineral deposits; Activities that cause movement or removal of earth; Installation of sports and leisure equipment; Installation of fences or permanent structures that could damage the site; Tourist exploration without prior preparation and scientific research. It is also prohibited to use archaeological excavations as drinking fountains or bathtubs for animals, in addition to the movement of herds over these areas during pasture changes. The standard advises that livestock farming be avoided in areas with archaeological sites, but allows its permanence as long as the conditions set out in the resolution are observed. Owners or occupants of areas notified by Iphan become responsible for the provisional conservation of archaeological sites. Entrepreneurs must contract specialized archaeological studies whenever required during environmental licensing. The rule also applies to activities carried out by beneficiaries of agrarian reform projects. Legislation With the discovery of damage caused to archaeological sites in Acre, the Federal Public Ministry (MPF) reached an agreement with Iphan to repair the damage that ended up altering the original structures of the monuments in March of that year. According to the measure, the interventions took place in the Missões and Nakahara 73 geoglyphs, in Senador Guiomard, in the interior of Acre, where the land owners prepared the soil to start a soybean plantation on the site. In October 2025, the Federal Court suspended Cemaf resolution No. 2/2022 and Imac ordinance 211/2024, which exempted environmental licensing for agricultural activities in consolidated rural areas. At the time, Imac and Sema informed g1 that they would comply with the court decision. The decision was issued after the MPF highlighted the risk of irreversible damage to historical heritage, such as areas of geoglyphs and indigenous lands (TI). Review Acre’s news programs
Developments in areas with geoglyphs will require approval from Iphan in Acre
With flights over Acre, scientists find almost 400 new geoglyphs in the Amazon The State Council for the Environment and Forests (Cemaf) approved new rules to protect archaeological sites in Acre, including geoglyphs....
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With flights over Acre, scientists find almost 400 new geoglyphs in the Amazon The State Council for the Environment and Forests (Cemaf) approved new rules to protect archaeological sites in Acre, including geoglyphs. The resolution requires consent from the National Historical and Artistic Heritage Institute (Iphan) for the environmental licensing of...
Key points
- With flights over Acre, scientists find almost 400 new geoglyphs in the Amazon The State Council for the Environment and Forests (Cemaf) approved new rules to protect archaeological sites...
- The resolution requires consent from the National Historical and Artistic Heritage Institute (Iphan) for the environmental licensing of projects in these areas and restricts activities such...
- Published this Thursday (20) in the Official State Gazette (DOE), the standard defines responsibilities for owners, entrepreneurs and public bodies involved in projects that may affect...
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This story is part of the States coverage. The report is associated with Acre. The original reporting source identified by the page is G1. Publication date: August 22, 2026 at 08:00.
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