Ecology

Ecology

The reason behind the megadiversity of fish in South America

Geological events of the last 55 million years have restructured hydrographic basins and contributed to the diversification of freshwater species

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Ecology

Sawdust shows which tree species has been cut

Anti-illegal-logging technique identifies trees from sawdust using a microscope

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BIOLOGY

First expedition to the Imeri Mountains

Researchers have identified animals and plants isolated by the altitude, which may help explain relationships between species from high areas in the north of South America

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INTERVIEW

Mercedes Bustamante: Before the water runs out

Biologist from the University of Brasília warns that deforestation in the Cerrado also harms other regions

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Ecology

Hidden life in rupestrian grasslands

Microorganisms help plants survive in the nutrient-poor soil of rupestrian grasslands

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Environment

Indigenous lands absorb more carbon

Parts of the Amazon managed by Indigenous peoples absorb more carbon than other areas

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PHOTOLAB

On top of Brazil

Serra do Imeri could be the birthplace of many animal and plant lineages from the Amazon and the Atlantic Forest

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Energy

Açaí pits bear new fruit

Previously discarded waste is now being used to make cosmetics, paper, and plastics, as well as providing an alternative energy source

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ENTOMOLOGY

Terrestrial insects in decline

Unprecedented study on the demographic evolution of terrestrial insects points to a decline in individual numbers and species diversity

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COVER

Science with the public

People without academic experience contribute to data collection and knowledge production

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Ecology

Tree health

Company develops technology to assess tree health by imaging the roots and trunk

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Ecology

“Talking” turtles suggest acoustic communication arose more than 400 million years ago

The sending of messages by sound originated in a common ancestor of terrestrial vertebrates and fish with lungs

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FORESTRY ENGINEERING

New technique used to reforest Brumadinho

The innovative experimental technique uses hormones and grafting to reproduce native trees and speed up their flowering time in areas of socioenvironmental disasters

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Environment

The trash trail to the sea

UN study names the Brazilian cities that dispose of the most plastic waste and the rivers that transport it

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ORNITHOLOGY

Study confirms existence of dwarf hyacinth macaws

Research also defined the growth stages of this bird from the Pantanal, which was once an endangered species

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ECOLOGY

Freshwater mangroves identified near the mouth of the Amazon River

Study expands the area occupied by this rare type of coastal ecosystem on the border between Pará and Amapá

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ECOLOGY

Roads associated with mining in the Amazon cause significant environmental damage

The impact caused by roads created to provide access to mines can be 60 times greater than that caused by the mines themselves

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Environment

Frosts hinder Cerrado recovery

Frost can have similar impacts to fire on tree growth

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Zoology

Heat and diet lead to arboreal primates living on the ground

Changes in the environment and climate could lead to arboreal primates spending more time on the ground

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Video

Researchers are the first to explore the Imeri mountain range

Biologist Miguel Trefaut Rodrigues, from the Biosciences Institute at the University of São Paulo (IB/USP), shows some of the new species collected during expedition to the Imeri mountain range, in Amazonas State near the border with Venezuela | 7'32

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ECOLOGY

The land of trees

The continent's rainforests are home to four times as many tree species as Africa’s

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BIODIVERSITY

International project preserves seeds of the wild varieties of 28 agricultural crops

Brazil contributed with five samples of sweet potato, four of rice, two of potato, and two of millet

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ECOLOGY

Indigenous lands are home to 71% of the 521 known primate species

Apes and monkeys living in areas inhabited by indigenous peoples are at less risk of extinction

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Ecology

Floodplains foster bird diversity in the Amazon

Study shows floodplains foster bird diversity in the Amazon

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GOOD PRACTICES

Ecologist accused of fabricating data in ocean acidification study

The journal Science retracts article by researcher from the University of Delaware

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Video

Camouflage to blend in the landscape

Mimicking leaves, branches or rocks is one of the most efficient camouflage strategies, but it limits movements and possibilities of living areas | 3'57

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ECOLOGY

Solving the problem of honey diversity among native bees

With the help of scientists, states are establishing quality guidelines that differ from those used with Apis mellifera, the exotic species used as standard

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biodiversity

From captivity to the skies

Eight Spix’s macaws bred in captivity were released into the wild in Bahia

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ECOLOGY

Biodiversity of tropical trees is highest in South America

The continent's rainforests are home to four times as many tree species as Africa’s

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DATA SCIENCE

The machines that make biology a science of huge numbers

DNA sequencers, recorders, drones, and other devices are increasingly being used to save time and shake up research methodologies

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