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.
The raccoon spreads dangerous diseases as it invades Europe
Furry, agile, intelligent and voracious: the raccoon is far from being a cuddly toy, which is what many people believe when they get one as a pet. It is more like an invader that escapes and is able to adapt ...
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 ...
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.
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.
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 ...
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.
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.
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 ...
Commonly used herbicides seen as threat to endangered butterflies
A Washington State University toxicologist has found that three commonly used herbicides can dramatically reduce butterfly populations.
River Thames invaded with foreign species, researchers show
The second longest river in the UK, the River Thames, contains 96 non-native species, making it one of the most highly invaded freshwater systems in the world.
Rare forget-me-nots discovered in the mountains of New Zealand
Two rare species of forget-me-nots have been added to Flora of New Zealand. These new species were discovered in the mountains of the South Island during an expedition led by Dr. Carlos A. Lehnebach. These ...
Survival without water: A key trait of an aquatic invader to spread
Nowadays, an increasing number of rivers and lakes are being invaded by exotic snails, which come from remote regions, and even other continents. Such species represent a threat to native species, as they ...
Human population the primary factor in exotic plant invasions in the United States
Extensive ongoing research on biotic invasions around the world constantly increases data availability and improves data quality. New research in the United States shows how using improved data from previous ...