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Invasive 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 ...
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Coconut Rhinoceros Beetle Makes Unexpected 'Host Shift' to Guam's Cycad Trees

Researchers have documented what biologists call a 'host shift' of the coconut rhinoceros beetle in Guam. The beetle, first documented as an invasive species in Guam in 2007, has been ...

Rising Temperatures Could Shift US West Nile Virus Transmission

West Nile virus spreads most efficiently in the US at temperatures between 24-25 degrees Celsius (75.2-77 degrees Fahrenheit), a new study ...

Human Activities Promote Disease-Spreading Mosquitoes; More Study Needed for Prevention

Disease-spreading mosquitoes may be more likely to occupy areas impacted by human activities like pesticide use and habitat destruction, than they are areas less disturbed by humans, a recent study ...

New Rules for Algae Species Classification

A team of evolutionary biologists and ecologists has a new idea for how scientists should classify algae ...

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 ...

New Insight Into Mammalian Stem Cell Evolution

The genes regulating pluripotent stem cells in mammals are surprisingly similar across 48 species, researchers report. The study also shows that differences among these 'gene regulating ...

Why Rats Would Win Australian Survivor

Australian rodents skulls all correspond to one simple, size-dependent shape that is more than ten million years old but it turns out this lack of change is the secret behind their survivor ...

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 ...

Neglected for Over a Century, Black Sea Spider Crab Re-Described

Even though recognized in the Mediterranean Sea, the Macropodia czernjawskii spider crab was ignored by scientists (even by its namesake, 19th-century biologist Vladimir Czernyavsky) in the regional ...

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 ...

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