Populations of invasive ants die out naturally, saving millions in control and eradication
(PhysOrg.com) -- New research shows populations of an invasive species of ants frequently collapse without human involvement, potentially saving millions of dollars on control and eradication.
Biologists fish for reasons behind endangered grouper's comeback
In the waters along Florida's east and west coasts, Florida State University marine biologists are collecting new data on the once severely overfished Atlantic goliath grouper, a native species that is making ...
440-year-old document sheds new light on native population decline under Spanish colonial rule
Analysis of a 440-year-old document reveals new details about native population decline in the heartland of the Inca Empire following Spanish conquest in the 16th century.
Indigenous peoples adapt to climate change
The climate in the Northeastern United States changed drastically more than five times before the first Europeans arrived. A new study suggests that the indigenous people in the area were able to adapt their ...
Follow the money: Wealth, population are key drivers of invasive species
A new study of biological invasions in Europe found they were linked not so much to changes in climate or land cover, but to two dominant factors - more money and more people.
Enhancing honey bee populations by increasing beneficial pollinator flowers
A group of University of Maine researchers is working to enhance native and honey bee populations by increasing beneficial pollinator flowers across Maine's landscape. This is not a new idea—what is new ...
Roman road discovered on an archaeological dig shows pot hole repairs
(Phys.org) —The excavation at Ipplepen, run by the University of Exeter, is back on site following the discovery of a complex series of archaeological features thought to be part of the largest Romano-British ...
Protecting mainland Europe from an invasion of grey squirrels
The first genotyping of grey squirrels sampled from Italy and the UK shows a direct link between their genetic diversity and their ability to invade new environments.
Introducing species to change ecosystems is a balancing act
Species hold ecosystems in a delicate balance. From time to time humans introduce non-native species to an ecosystem, because they may be needed for domestic work, as pets, for carrying loads or even for ...
Tiny number of Asian carp could be big problem for the Great Lakes
(Phys.org) —A tiny number of Asian carp could establish a population of the invasive fish in the Great Lakes, according to new research from the University of Waterloo.
Toward the origin of America's first settlers
The most supported traditional hypothesis points out that the earliest well-established human culture in the North American continent were the Clovis, a population of hunters who arrived about 13,000 years ...
Stocking Florida bass in Texas reservoirs may alter stream systems connected to stocked reservoirs
A genetic analysis by Baylor University biologists suggests that the stocking of Florida bass in Texas reservoirs impacts bass populations far beyond the actual stocking location.
New study shows stable fisher population in the Southern Sierra Nevada
After experiencing years of population decline on the West Coast, a recent study examining fisher populations found that—at least in the southern Sierra Nevada—the animal's numbers appear to be stable.
Research unveils how some medieval cultures adapted to rise of Islam
(Phys.org)—Medieval Afghanistan, Iran and the one-time Soviet Central Asian states were frontiers in flux as the Islamic Caliphate spread beyond the Arabian Peninsula in the seventh through 10th centuries.