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Articles on Ecology

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Some animals have excellent tricks to evade bushfire. But flames might be reaching more animals naive to the dangers

Studies show some animals can recognise the threat of fire, and behave in a way that increase their chance of survival. But what about wildlife who have evolved in areas where fire was once rare?
Researchers crack the conundrum about why African Baobab trees in southern Africa differ in terms of fruit production. Sarah Venter

The sex organs of baobab flowers may solve the puzzle of trees that bear more fruit

Baobab flowers have male and female parts but individual trees appear to be favouring one rather than the other. To keep tree populations healthy and fruitful, both types are needed.
Today the shoreline of Lake Malawi is open, not forested the way it was before ancient humans started modifying the landscape. Jessica Thompson

Early humans used fire to permanently change the landscape tens of thousands of years ago in Stone Age Africa

Combining evidence from archaeology, geochronology and paleoenvironmental science, researchers identified how ancient humans by Lake Malawi were the first to substantially modify their environment.
Aerial view of native seedlings for forest restoration at the the Instituto Terra, Aimores, Brazil. Christian Ender/Getty Images

Arbor Day: Why planting trees isn’t enough

Large-scale tree-planting projects are politically popular and media-friendly, but without effective planning and long-term management, they can do more harm than good.
Tyrannosaurus rex spanned all of ancient North America, and about 20,000 lived at once. Roger Harris/Science Photo Library vie Getty Images

How many Tyrannosaurus rex walked the Earth?

Using the incredible wealth of fossil data and a modern ecological theory, researchers estimated population density for the extinct apex predator.

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