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biodiversity

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biodiversity

‘Species Repulsion’ Enables High Biodiversity in Tropical Trees

By Veronique Greenwood
September 13, 2023
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Because tree seedlings don’t grow as well when close to their parents, more tree species can be packed into tropical forests.

Different species of plants grow from the hubs of horizontal gears that mesh like clockwork.
ecology

The Key to Species Diversity May Be in Their Similarities

By Veronique Greenwood
June 26, 2023
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New modeling work suggests why nature is more diverse than niche-based ecological theory predicts.

biodiversity

How Pools of Genetic Diversity Affect a Species’ Fate

By Anna Funk
April 25, 2023
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A new, deeper understanding of how the breeding structure of species affects their genetic diversity is giving conservationists better tools for saving animals.

Q&A

She Tracks the DNA of Elusive Species That Hide in Harsh Places

By Rachel Crowell
April 17, 2023
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On Mount Everest and in the Peruvian Andes, Tracie Seimon uses DNA to study how species and ecosystems respond to climate change, pathogens and other influences.

A female Bolivian squirrel monkey with a baby on its back, walking across a suspended rope ladder. A third money crouches behind it.
evolution

Animal Mutation Rates Reveal Traits That Speed Evolution

By Yasemin Saplakoglu
April 5, 2023
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The first large-scale comparison of mutation rates gives insights into how quickly species can evolve.

A satellite photo of the complex of rivers in the Amazon.
biodiversity

Reshuffled Rivers Bolster the Amazon’s Hyper-Biodiversity

By Yasemin Saplakoglu
June 7, 2022
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The lush biodiversity of the Amazon may be due in part to the dynamics of branching rivers, which serve as invisible fences that continuously barricade and merge bird populations.

Photo showing the glow of a forest fire and bush fire in the Blue Mountains of Australia.
biodiversity

Wildfires of Varying Intensity Can Be Good for Biodiversity

By Carrie Arnold
November 29, 2021
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The spate of furious wildfires around the world during the past decade has revealed to ecologists how much biodiversity and “pyrodiversity” go hand in hand.

2020 in Review

The Year in Biology

By John Rennie
December 23, 2020
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While the study of the SARS-CoV-2 virus was the most urgent priority, biologists also learned more about how brains process information, how to define individuality and why sleep deprivation kills.

Illustration of a blue tiger.
Abstractions blog

How Neutral Theory Altered Ideas About Biodiversity

By Christie Wilcox
December 8, 2020
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The simple insight that most changes are random had a profound effect on genetics, evolution and ecology.


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