Ecology
Nov 16, 2022
As climate change progresses, trees in cities struggle
As the driest summer in Seattle's record books ended, trees across the city were sounding silent alarms.
Search results for deciduous trees
Ecology
Oct 28, 2022
El Niño increases seedling mortality even in drought-tolerant forests
Global climate change may lead to more extreme weather events such as droughts. To predict the impact of climate change on tropical forests, it is necessary to understand more accurately the effects of drought.
Plants & Animals
Oct 28, 2022
Hybrid songbirds found more often in human-altered environments
Hybrids of two common North American songbirds, the black-capped and mountain chickadee, are more likely to be found in places where humans have altered the landscape in some way, finds new University of Colorado Boulder ...
Evolution
Oct 7, 2022
A new field of research: Crystal traces in fossil leaves
In fossil leaves, puzzling structures are often visible under the microscope. Researchers at the University of Bonn have now been able to show for the first time that they originate from calcium oxalate crystals. On the one ...
Ecology
Sep 23, 2022
Seeing the unseen: Birth and death of tree roots under a future atmosphere
Increased carbon dioxide in the atmosphere causes trees to put more resource into developing root systems below ground.
Earth Sciences
Sep 21, 2022
Dinosaurs survived when CO2 was extremely high. Why can't humans?
How did plants and animals survive around 200 million years ago when the carbon dioxide concentration went up to 6,000 parts per million? Paul Olsen, a geologist and paleontologist at Columbia Climate School's Lamont-Doherty ...
Ecology
Sep 14, 2022
Fungi and insect herbivores affect herb diversity depending on species traits of herbs and neighboring tree composition
The mechanisms of biodiversity maintenance have been a hot topic in ecology for decades. Fungi and insect herbivores contribute to the diversity of plants in grasslands, which has been frequently reported. However, evidence ...
Environment
Sep 6, 2022
Local mountain climate is affected by leaf area ratio in surrounding forests
The changing seasons tell us much about the workings of nature. Now, a research group from Japan has discovered that the seasonal changes of tree leaf growth and shedding can have a big influence on climate even on small, ...
Earth Sciences
Aug 18, 2022
Plant-nibbling insects may make it cloudier and cooler
Plants can release certain chemicals to shield themselves from high temperatures and potentially communicate with other plants. They also release these chemicals in response to stress, including when insects chomp on their ...
Earth Sciences
Jul 21, 2022
'Sensing system' spots struggling ecosystems
A new "resilience sensing system" can identify ecosystems that are in danger of collapse, research shows. The system uses satellites to spot areas of concern—including those at risk of "tipping points"—and can also measure ...
