Invasive Species News

April 28, 2025

Top Headlines

Invasive Weed Threatens Southern California's Deserts

Apr. 24, 2025 — Once thought resistant to invasion, California's deserts are losing native plants to aggressive weedy species like Saharan mustard. New research shows its spread is disrupting biodiversity and reducing the desert's ability to recover from extreme ...

More Ticks Carry Lyme Disease Bacteria in Pheasant-Release Areas

Apr. 21, 2025 — Ticks are more likely to carry the bacteria that can cause Lyme disease in areas where pheasants are released, new research ...

Introduced Trees Are Becoming More Common in the Eastern United States, While Native Diversity Declines

Apr. 21, 2025 — In a new study, researchers used more than 5 million measurements from individual trees across much of eastern North America and showed the rate at which introduced species are spreading has ...

Experiment in Floodplain Forest: Using Tree Mortality to Support Oak Regeneration

Apr. 16, 2025 — The pedunculate oaks typical of Leipzig's floodplain forest and other German oak forests are struggling to regenerate in the understorey due to a lack of light. One reason for this is the absence of ...

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Fishing for Cephalopod DNA Allows for Efficient Marine Surveying

Apr. 14, 2025 — New DNA probes allow for efficient surveying of the hidden lives of squids and octopuses in the deep sea. This development provides an effective tool for marine ecological research and conservation ...

Declining Insect Biodiversity in the Tropics

Apr. 8, 2025 — Ecologists are investigating the decline of insect populations in the world's tropical forests. Insects, the most abundant and diverse group of animals on Earth, are experiencing alarming declines, ...

Termite Stowaways: Study Reveals Boats as Perfect Vessels for Global Termite Spread

Apr. 7, 2025 — A study reveals that termites are not simply spreading through natural processes, suggesting humans may be helping them 'conquer the world' by ...

How This Tiny Snake Could Change Our View of Genetics

Apr. 2, 2025 — By analyzing the flowerpot snake's unique genome, scientists are uncovering how the tiny reptile repairs its DNA and prevents harmful mutations. The findings provides valuable insights into genetic ...

A Borrowed Bacterial Gene Allowed Some Marine Diatoms to Live on a Seaweed Diet

Apr. 1, 2025 — A group of diatom species belonging to the Nitzschia genus, gave up on photosynthesis and now get their carbon straight from their environment, ...

The Food and Fuel That Farms Itself

Apr. 1, 2025 — Scientists have released new and more accurate genome sequences for five species of duckweed. Their research reveals the specific genes responsible for some of the plant's most useful traits, ...

If Native Plants Are Going to Survive Climate Change, They Need Our Help to Move -- Here's How to Do It Safely

Mar. 26, 2025 — Many native plants in the U.S. cannot possibly move themselves fast enough to avoid climate-change driven extinction. If these native plants are ...

Getting Hit by Lightning Is Good for Some Tropical Trees

Mar. 26, 2025 — Getting zapped with millions of volts of electricity may not sound like a healthy activity, but for some trees, it is. A new study reports that some tropical tree species are not only able to ...

Introduced Pacific Oysters Provide Biodiversity Benefits in Port River

Mar. 24, 2025 — The introduction of exotic species can pose significant challenges in the sustainable management of coastal ecosystems, yet researchers have found that Pacific oysters introduced to the Port River in ...

The Devastating Human Impact on Biodiversity

Mar. 26, 2025 — Humans are having a highly detrimental impact on biodiversity worldwide. Not only is the number of species declining, but the composition of species communities is also changing. This is one of the ...

Ecologists Document Utah's Bee Species and Say Beehive State Is Rich in Bee Diversity

Mar. 25, 2025 — Understanding bee distributions is essential to protecting these vital pollinators. Since conservation efforts and policies are often made at the state level, maintaining state-specific bee species ...

How Extreme Weather Threatens Nature's Essential Services

Mar. 24, 2025 — A new model suggests that timber production in Minnesota could decrease by half as windstorms intensify with climate ...

Tiny Musky Rat-Kangaroos Hold the Key to Explain Why 'Roos Hop

Mar. 19, 2025 — To understand why kangaroos hop -- a rarity among animals -- researchers have studied the musky rat-kangaroo (Hypsiprymnodon moschatus), a diminutive marsupial that weighs only 500 grams but is the ...

Natural Insect Predators May Serve as Allies in Spotted Lanternfly Battle

Mar. 18, 2025 — Insect predators found in the United States could help keep spotted lanternfly populations in check while potentially reducing reliance on chemical control methods, according to a new ...

Time Is Not the Driving Influence of Forest Carbon Storage

Mar. 18, 2025 — It is commonly assumed that as forest ecosystems age, they accumulate and store, or 'sequester,' more ...

How a Hummingbird Chick Acts Like a Caterpillar to Survive

Mar. 17, 2025 — For the first time, scientists described a hummingbird chick potentially mimicking a poisonous caterpillar to avoid getting ...

Iguanas Floated One-Fifth of the Way Around the World to Colonize Fiji

Mar. 17, 2025 — The only iguanas outside the Americas, Fiji iguanas are an enigma. A new genetic analysis shows that they are most closely related to the North American desert iguana, having separated about 34 ...

The Long Wait for Bees to Return to Restored Grasslands

Mar. 13, 2025 — Recovered grasslands need more than 75 years of continuous management to regain their biodiversity because specialized pollinators are slow to return. A new finding underscores the importance of ...

Social Media Can Help Track Species as Climate Changes

Mar. 13, 2025 — Social media can help scientists track animal species as they relocate in response to climate change, new research ...

New Species of Killifish from Kenya Already Critically Endangered

Mar. 12, 2025 — A critically endangered new species of killifish sampled from an ancient forest in Kenya in 2017 and 2018 has now been described. Nothobranchius sylvaticus, from the Latin meaning 'pertaining to ...

Death by Feral Cat: DNA Shows Cats to Be Culprits in Killing of Native Animals

Mar. 10, 2025 — Feral cats have long been suspects in killing native species reintroduced into Australian conservation areas. DNA testing of the carcasses puts felines firmly in the ...

Nearly Half of Popular Tropical Plant Group Related to Birds-of-Paradise and Bananas Are Threatened With Extinction

Mar. 7, 2025 — A new analysis reveals that nearly half of the genus Heliconia, a group of tropical plants popular for their bright, beak-shaped flowers, are threatened with ...

Scientists Develop Advanced Forest Monitoring Systems: Will Forests Monitor Themselves in the Future?

Mar. 7, 2025 — 'Forests are among the most important ecosystems in nature, constantly evolving, yet their monitoring is often delayed,' says an expert. Climate change, pests, and human activity are ...

Tropical Forests in the Americas Are Struggling to Keep Pace With Climate Change

Mar. 6, 2025 — Tropical rainforests play a vital role in global climate regulation and biodiversity conservation. However, a major new study reveals that forests across the Americas are not adapting quickly enough ...

Satellite Image Analysis Delivers New Insight Into the Functional Diversity of Tropical Forests

Mar. 5, 2025 — Satellite images from space are allowing scientists to delve deeper into the individual functions of different tropical forest canopies with new and surprising results. Understanding tree traits and ...

1,400 Species Found in Guts of Asian Hornets

Mar. 4, 2025 — A study of Asian hornets has found about 1,400 different species in their ...

Snakes on Sado Island Coexist Through Differentiation of Activity Time, Habitat, and Diet

Feb. 28, 2025 — Sado Island, Japan, is inhabited by seven species of snakes, the largest number in any isolated island in Japan, except for the subtropical Ryukyu Archipelago. Researchers conducted a 5-year field ...

Climate Change Increases the Risk of Tree Mortality in Urban Boreal Forests

Feb. 27, 2025 — Climate change poses a particular risk to pine trees growing in dry areas, a new study conducted in an urban recreational forest in Helsinki ...

Bark Beetle Infestation Slows Down Tree Growth Early on

Feb. 26, 2025 — Bark beetle-infested spruce trees begin to dry out already before any visible signs of tree mortality appear, a recent study ...

New Spatial Mechanism for the Coexistence of Tree Species

Feb. 26, 2025 — The reason why so many tree species can coexist in species-rich forests has long been a subject of debate in ecology. This question is key to understanding the mechanisms governing the dynamics and ...