Search results for dense forests

Ecology 6 hours ago

Australia's tall, wet forests were not open and park-like when colonists arrived—and we shouldn't be burning them

Some reports and popular books, such as Bill Gammage's Biggest Estate on Earth, have argued that extensive areas of Australia's forests were kept open through frequent burning by First Nations people. Advocates for widespread ...

Ecology Apr 22, 2024

Without proper management, Brazil's Cerrado becomes disfigured and less resilient to climate change

A study conducted over a period of 14 years in the Brazilian savanna-like biome shows its typical vegetation rapidly becoming "cerradão"—a biodiversity-poor forest formation—while resistance to drought and wildfires ...

Plants & Animals Apr 19, 2024

Wild turkey numbers are falling in some parts of the US—the main reason may be habitat loss

Birdsong is a welcome sign of spring, but robins and cardinals aren't the only birds showing off for breeding season. In many parts of North America, you're likely to encounter male wild turkeys, puffed up like beach balls ...

Plants & Animals Apr 18, 2024

Why the kookaburra's iconic laugh is at risk of being silenced

Once, while teaching a class of environmental science students in China's Hebei University of Science and Technology, I asked who knew what a laughing kookaburra was. There were many blank faces. Then I tilted my head, much ...

Nanophysics Apr 16, 2024

'Nano stitches' enable lighter and tougher composite materials

To save on fuel and reduce aircraft emissions, engineers are looking to build lighter, stronger airplanes out of advanced composites. These engineered materials are made from high-performance fibers that are embedded in polymer ...

Ecology Apr 15, 2024

The role of GEDI LiDAR technology in unlocking the secrets of tree height composition

A team of researchers has unveiled a novel approach to accurately characterizing tree height composition in forests using the Global Ecosystem Dynamics Investigation (GEDI) Light Detection and Ranging (LiDAR) technology. ...

Plants & Animals Apr 11, 2024

Scientists find blue light makes buildings more deadly to migrating birds

Bird collisions with buildings are nothing new, but a new study by scientists at The University of New Mexico sheds light on a potential cause.

Environment Apr 8, 2024

Why is Ghana so hot this year? An expert explains

Ghana's meteorological agency and the state's health service have issued warnings about a period of very high temperatures expected in the first half of 2024 around the country. Ghana's experience is part of a global phenomenon: ...

Earth Sciences Apr 8, 2024

Boreal forest and tundra regions worst hit over next 500 years of climate change, climate model shows

The boreal forest, covering much of Canada and Alaska, and the treeless shrublands to the north of the forest region, may be among the worst impacted by climate change over the next 500 years, according to a new study.

Astronomy Apr 4, 2024

Researchers use the Dark Energy Spectroscopic Instrument to make the largest 3D map of our universe

With 5,000 tiny robots in a mountaintop telescope, researchers can look 11 billion years into the past. The light from far-flung objects in space is just now reaching the Dark Energy Spectroscopic Instrument (DESI), enabling ...

page 1 from 40