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Exotic Species News
September 28, 2020

Top Headlines
 

Tracking Shape Changes in Amazon Fish After Major River Is Dammed

Biologists compared museum collections of cichlid fishes collected before a dam was closed in 1984 on the Tocantins River in the Amazon and contemporary specimens taken from the Tucuruí Reservoir by ...

Tree Rings Show Scale of Arctic Pollution Is Worse Than Previously Thought

The largest-ever study of tree rings from Norilsk in the Russian Arctic has shown that the direct and indirect effects of industrial pollution in the region and beyond are far worse than previously ...

Warming Ocean, Old-Forest Loss Put a Squeeze on an Elusive Seabird

Squeezed by changing ocean conditions that limit their food options and the long-term loss of old forest needed for nesting, marbled murrelets would benefit most from conservation efforts that take ...

Driven by Climate, More Frequent, Severe Wildfires in Cascade Range Reshape Forests

New research found that while the increased wildfire activity is causing widespread changes in the structure and composition of these mid-to-high ...
Latest Headlines
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Earlier Headlines
 

Dams Exacerbate the Consequences of Climate Change on River Fish

A potential response of river fish to environmental changes is to colonize new habitats. But what happens when dams and weirs restrict their movement? And are native and alien species similarly ...

Mediterranean and Tropical Biodiversity Most Vulnerable to Human Pressures

Animals in tropical and Mediterranean areas are the most sensitive to climate change and land use pressures, finds a new ...

Hitchhiking Seeds Pose Substantial Risk of Nonnative Plant Invasions

A team of researchers conducted a study over two seasons at the Port of Savannah, Georgia to inventory nonnative plant seeds that entered the U.S. on refrigerated shipping containers; determine their ...

Newly mated queens of the red fire ant select nest sites with a relatively low pathogen risk by detecting odors produced by soil bacteria that inhibit the growth of ant-infecting fungi, according to ...

Trees Living Fast Die Young

A global analysis reveals for the first time that across almost all tree species, fast growing trees have shorter lifespans. This international study further calls into question predictions that ...

Changing What We Eat Could Offset Years of Climate-Warming Emissions

Plant protein foods -- like lentils, beans, and nuts --c an provide vital nutrients using a small fraction of the land required to produce meat and dairy. By shifting to these foods, much of the ...

Natural Pest Control Saving Billions

Biological control of insect pests - where 'natural enemies' keep pests at bay - is saving farmers in Asia and the Pacific billions of dollars, according to new research. Biological control ...

Many Forests Scorched by Wildfire Won't Bounce Back

A study of 22 burned areas across the Southern Rocky Mountains found that forests are becoming less resilient to fire, with some converting to grasslands after burning. By 2050, as little as 3.5% to ...

Birds Can Learn from Others to Be More Daring

New research into highly social yet invasive house sparrows reveals that they can learn from each other and adapt their ...

Globalization Is Reweaving the Web of Life

Networks of interactions among species are becoming increasingly similar across ecosystems, according to a global analysis. Data collected over the last 75 years show the accelerating pace that ...

Biodiversity: In a Mite-Y Bit of Trouble

Mite extinctions are occurring at least 1,000 times the 'natural' rate - a finding a researcher says is another warning that global biodiversity is in deep trouble. The 1.25 million mite ...

Fish Invasions Follow Panama and Suez Canal Expansions

Following recent canal expansions, marine fish are entering the Panama and Suez Canal waterways. Researchers are concerned that they may invade new habitat on the other side, causing unforeseen ...

Monitoring and Reporting Framework to Protect World Heritage Sites from Invasive Species

Scientists have devised a new monitoring and reporting framework to help protect World Heritage Sites from almost 300 different invasive alien species globally including rats, cats and Argentine ...

Secret Weapon to Stop Invasive Honeysuckle: Satellites

Researchers found that satellite imagery can identify non-native and invasive Amur honeysuckle, an ornamental shrub introduced from Asia that has spread in forests across much of the United ...

High Human Population Density Negative for Pollinators

Population density, and not the proportion of green spaces, has the biggest impact on species richness of pollinators in residential areas. This is the result of a study from Lund University in ...

Australia's Wish List of Exotic Pets

Unsustainable trade of species is the major pathway for the introduction of invasive alien species at distant localities at higher frequencies. It is also a major driver of over-exploitation of wild ...

Illegal Trade With Terrestrial Vertebrates in Markets and Households of Laos

Scientists provide the first interdisciplinary assessment of human involvement into the terrestrial vertebrate trade in Laos and its impact on the survival of the local fauna populations. Sixty-six ...

Species Competition and Cooperation Influence Vulnerability to Climate Change

Organisms need to work together to adapt to climate change, especially in the presence of competitors, suggests a new ...

Where Lions Operate, Grazers Congregate ... Provided Food Is Great

Meals are typically family affairs for zebras, gazelles, cape buffalo and other grazing species in the African Serengeti, but in one of the first studies of its kind, ecologists have found grazing ...

Global Warming Is Changing Our Plant Communities

In a comprehensive study of nearly 20,000 species, research shows that plant communities are shifting to include more heat-loving species as a result of climate ...

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