Invasive species are not always harmful; some can even provide key benefits to native habitats in an era of climate change. Canadian conservation efforts should embrace the movement of species.
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Articles on Invasive plants
Displaying 1 - 20 of 27 articles
Are aliens among us? The answer is yes, and they can be green too.
The fight against Eurasian watermilfoil, an invasive aquatic plant in North American lakes, can be long and expensive, so must be carefully planned.
This episode explores how colonial history has affected what we plant and who gets to garden. We also discuss practical gardening tips with an eye to Indigenous knowledge.
Water lettuce forms dense mats on the water surface. This can reduce light penetration and oxygen levels in the water, negatively affecting all aspects of aquatic life.
It wasn’t just colonists and convicts who invaded Australia in 1788 – invasive plant species arrived too.
Non-native species tend to be better at exploiting the disturbance caused by storms, fires or droughts.
The new report on alien invasive species doesn’t just concentrate on problems. It also offers solutions.
Australians are trading pest plants online, potentially breaking the law without even realising it.
According to a new UN report, invasive species do more than US$423 billion in damage worldwide every year. Four articles explore examples, from mollusks to poisonous fish.
Alien invaders are penetrating the borders of every country in the world. Now the full extent of the problems and potential solutions have been exposed, in a new United Nations report.
Knowing where a weed has come from can improve its management, but this quest can be challenging. CSIRO detective work revealed an unusual pathway for the introduction of South African bitou bush.
It’s a plant that is nearly impossible to obliterate, but new research reveals the best way of tackling Japanese knotweed in the most sustainable way.
Native plants help damaged landscapes by stabilizing soil, fighting invasive species and sheltering pollinators. Two horticulture experts explain what they’re doing to help develop new seed sources.
Invasive species cause billions of dollars in damage across the US every year. Hikers and backpackers can take simple steps to avoid spreading seeds and making the problem worse.
They’re beautiful in bloom, but Callery pear trees crowd out native plants and turn productive open land into woody thickets.
Fire season is getting longer, and the result is transforming iconic desert ecosystems. The start to 2022 has been so dire, one governor called for a federal disaster declaration.
Without urgent action, Australia will continue to lose billions of dollars every year on invasive species.
Invasive species have been invading foreign territories for centuries. By quantifying the mammoth economic impacts, we hope political leaders will start to take notice.
By all means, rescue an injured koala. But by pulling out weeds after the fires, you could also help rescue a whole ecosystem.
Top contributors
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PhD candidate in Ecology, Evolution and Behavior, Boise State University
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Matthew Flinders Professor of Global Ecology and Node Leader in the ARC Centre of Excellence for Indigenous and Environmental Histories and Futures, Flinders University
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Australian Research Council Industry Laureate Fellow, University of Adelaide
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Professor of Biology, University of Dayton
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Deputy Director of the Centre for Biological Control at Rhodes University and Biological Control and Freshwater Alien Invasive Species Management, South African Institute for Aquatic Biodiversity
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Physiological ecologist at the C·I·B, Stellenbosch University
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Associate Professor of Ecology, Lincoln University, New Zealand
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Postdoctoral research fellow, University of Pretoria
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Postdoctoral fellow at the CIB, Stellnbosch University, Stellenbosch University
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Researcher at the South African National Biodiversity Institute, South African National Biodiversity Institute
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Associate Professor Zoology & Entomology, University of Pretoria
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Postdoctoral Research Associate, King's College London
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Professor, La Trobe University
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Professor of Horticulture, University of Connecticut
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PhD Candidate Invasive Species Management, University of the Witwatersrand
