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Trees of the speciesPouteria bullata, which is endemic to Brazil and whose common name isguapeva-vermelha, are found solely in the Atlantic Rainforest biome and produce sweet succulent fruit. Their seeds are relatively large (about 2 cm) and cannot be swallowed by birds or small mammals, so they depend on primates like the Brown howler (Alouatta guariba) and Southern muriqui (Brachyteles arachnoides), as well as the South American Tapir (Tapirus terrestris), to disperse their genetic [...]

Indigenous lands in the Brazilian Amazon are under constant pressure, and deforestation of these areas has accelerated in recent years. Some of them, such as Apyterewa Indigenous Territory in Pará state, are particularly affected, endangering Brazil’s ability to meet the targets to which it is committed internationally in terms of combating deforestation and mitigating the impact of climate change. To protect the areas of the Amazon that are still intact, effective action must be [...]

A study conducted at the Brazilian Center for Research in Energy and Materials (CNPEM) has discovered that three strains of Pseudomonas bacteria can inhibit growth, and even cause the death, of the fungus responsible for pineapple sett rot, a disease that attacks sugarcane, especially in the planting season. The results are reported in an article published in Environmental Microbiology, a journal of the United Kingdom’s Society for Applied Microbiology, and could serve as a basis for [...]

A study reported in December in an article in European Child & Adolescent Psychiatry shows an association between child poverty and a heightened propensity to develop externalizing disorders during adolescence and early adulthood, especially among girls. According to psychiatrists, externalizing disorders are characterized by poor impulse control, rule-breaking, aggression, impulsivity, attention deficit and hyperactivity, among other forms of behavior. The [...]

Large mammals help keep a balance between areas with different levels of productivity in biomes like the Atlantic Rainforest, and regulate the spatial structure of plant communities. Credit: João Paulo Krajewski A study conducted by researchers affiliated with São Paulo State University (UNESP) in Brazil shows that large mammals have a major impact on plant diversity, primary productivity and biomass in the understory of Neotropical forests. Species like the lowland tapir [...]

Methods such as interviews with people who live near conservation units may lead to mistakes, such as distinguishing between deer species on the basis of spots like those on this newborn Pampas deer (Ozotoceros bezoarticus). Credit: Maurício Christofoletti/UNESP A study of the management plans for 118 conservation units in Brazil shows that 60% use unsuitable methods to detect the presence of deer, and that 38% do not even describe the method used. Conservation of these animals may be [...]

Research conducted at the University of Campinas in Brazil was driven by observations of fluctuations in autoluminescence caused by seed germination in cycles regulated by gravitational tides. The rhythms of activity in all biological organisms, both plants and animals, are closely linked to the gravitational tides created by the orbital mechanics of the Sun-Earth-Moon system. This truth has been somewhat neglected by scientific research but is foregrounded in a study by Cristiano de Mello [...]

The rhythms of activity in all biological organisms, both plants and animals, are closely linked to the gravitational tides created by the orbital mechanics of the Sun-Earth-Moon system. This truth has been somewhat neglected by scientific research but is foregrounded in a study by Cristiano de Mello Gallep at the University of Campinas (UNICAMP) in the state of São Paulo, Brazil, and Daniel Robert at the University of Bristol in the United Kingdom. An article on the study is [...]

Not just the characteristics of a project, but also the city in which it will be implemented and the diversity of the rewards promised to supporters are the key factors that determine the success of a crowdfunding campaign even before the standard 60-day time limit set by most online entrepreneurial fundraising platforms. A study by researchers at Getúlio Vargas Foundation (FGV) in Brazil analyzed more than 4,000 crowdfunding campaigns conducted locally, and for the first time [...]