Biodiversity

EVOLUTION

A rare hybrid butterfly

Heliconius elevatus, a hybrid of H. pardalinus and H. melpomene, has more genes from the former, but inherited the coloration capable of scaring off predators from the latter

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ECOLOGY

Invasive species in mangroves of São Paulo

Fast-growing invasive plant spreading through mangroves in the Santos estuary

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Biodiversity

Colors found among white sandy islands of the Amazon

White sandy areas of the Amazon are home to unique plant communities

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Biodiversity

Rare maned wolves in Rio Grande do Sul

The maned wolf, typical of the Cerrado biome, was spotted on the border between the states of Rio Grande do Sul and Santa Catarina

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Biodiversity

More dams, less fish diversity

Hydroelectric dams reduce the diversity of freshwater fish worldwide

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Zoology

The explosive evolution of snakes

A combination of genetic, ecological, and morphological data reveals the secrets of success behind these legless reptiles

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Digital

Virtual tour of Darwin’s library

British naturalist Charles Darwin’s library is now available online

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Zoology

The smallest vertebrate in the world

Flea toad (Brachycephalus pulex), from Bahia, is the smallest known vertebrate

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Ecology

Vines taking over forests

Uncontrolled growth of woody vines harms tree growth

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Ecology

The economic value of wildlife

Wildlife investment index in Africa encourages environmental conservation and ecotourism

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Environment

More salt in the soil, air, and water

Use of salt in mining, agriculture, and to melt ice on roads poses a risk to biodiversity

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Ecology

Theodoro, Soneca, and other jaguars in the forests of São Paulo

Guide identifies 51 jaguars, mostly in the far west and south of the state

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Interview

Tasso Azevedo: Deforestation frontiers

Head of MapBiomas explains why deforestation declined in the Amazon in 2023, but increased in the Cerrado

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Environment

The silent drama of the Pampas

In the past four decades, 30% of the biome’s native vegetation has been occupied by soybean cultivation and even by planted eucalyptus forests

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Cooperation

Collaborations and scientific expeditions in the rainforest

Amazonia+10 Initiative brings together researchers from 25 Brazilian states and abroad to improve understanding of the region's social and biological diversity

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Science

Topics relevant to science and culture

Conrado Wessel Foundation launches online science and culture magazine

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Biodiversity

Darwin wasps in the mountains of Rio

Darwin wasps found in the mountains of Rio de Janeiro

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Innovation

For mapping the biodiversity of the forest

In July 2024, in Amazonas, a Brazilian team will compete in the final for the US$10 million prize that encourages the development of autonomous technologies with rapid data integration

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Biodiversity

Incomplete jigsaw puzzles

IBGE analysis indicates that records of the occurrence of species of fauna and flora are unevenly distributed in the Brazilian territory

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Ecology

The roots of Amazonian biodiversity

By reversing the flow direction of the rivers, molding the surface, and blocking moisture from the Atlantic, the Andes made the forest a refuge and birthplace for new species of plants and animals

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Cover

Forest Guardians

Multiple systems are used to monitor deforestation in the Amazon and guide oversight

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Environment

Beetles destroy cashew trees in Piauí

Millions of beetles destroy cashew trees in Piauí

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Epidemiology

Bird flu on the Galápagos Islands

H5N1 virus detected in samples from birds found dead in the Galápagos Islands

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Ecology

The water hyacinth is the most invasive plant in the world

Report identifies the water hyacinth as the most widespread invasive species in the world

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Biodiversity

Thousands of chicks die in Antarctica

Climate change kills thousands of emperor penguin chicks in Antarctica

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PHOTOLAB

Seeing trees differently

High-resolution drone images used to monitor the characteristics and degradation of coastal vegetation

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ECOLOGY

How many cubs does a jaguar have?

Scientists use technology to measure the birth rate of jaguars in the Pantanal

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BIOLOGY

First expedition to the Imeri Mountains

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

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BIOECONOMY

Sustainability, female subject

Entrepreneurs from the Amazon use innovation and traditional knowledge to create new cosmetics and foods

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Cover

The era of whole genome sequencing

New techniques are changing the way genetic material is understood and promising to transform our understanding of diseases, human genetic diversity, food production, and evolutionary processes

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