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Study reveals drastic decline of aquatic insect population in Paraná River basin
Publicado em 30 setembro 2021
Research conducted in Brazil for more than 20 years in the Paraná River basin shows a drastic fall in the number of aquatic insects in the region, which is considered well-preserved and distant from the negative impacts of agriculture, cattle breeding, and urbanization.
The fieldwork was done by researchers affiliated with the State University of Maringá’s Center for Research in Limnology, Ichthyology and Aquaculture (NUPELIA-UEM). The data was systematized byGustavo [...]
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Microorganisms Discovered on the Rio Grande Rise Are a Basis for Life and a Possible Origin of Metals
Publicado em 26 maio 2021Researchers conducted the first large-scale survey of the microbiota present in the seamount’s ferromanganese crusts, describing bacteria and archaea involved in the nutrient cycle and formation of metals. The abundant biological and mineral diversity of the Rio Grande Rise, a seamount in the depths of the Atlantic Ocean about 1,500 km from the coast of Brazil, is probably due to a great extent to little-known microscopic creatures. Researchers affiliated with the University of [...]ver notícia