Invasive species aren’t just a ‘first world problem’

By Jim Erickson-Michigan. Reblogged from Futurity. Invasions from alien plants, animals, and pathogens threaten the economies of the world’s poorest nations, according to study. One-sixth of the global land surface is highly vulnerable to invasion, including substantial areas in developing countries and biodiversity hotspots, according to the study published in Nature Communications.
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Invading Ireland: the coypu

Coypu on a riverbank
By Dr Colin Lawton, National University of Ireland Galway One of the greatest threats to biodiversity is the invasion of alien species into an ecosystem.  These can occur through natural migrations as a result of recent habitat or climate change, or species can be introduced by human activities, both accidentally or deliberately.  Invasions are occurring…
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Training of Trainers on awareness and management of Parthenium in Pakistan

As one of its key priorities, CABI under the Action on Invasives programme aims to raise awareness about the threat of invasive species with the relevant government departments in Pakistan. In particular to address the issue of the highly invasive Parthenium weed. Through public awareness campaigns and sharing invasive management advice for better control practices,…
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Potential Slug Invasions and their Impact on UK Biosecurity (Part 2)

By Dr Jenna Ross Guest writer, Dr Jenna Ross, from Crop Health and Protection (CHAP), joins us for the second of her two-part special series (read part 1) on the outputs of her prestigious Nuffield Farming Scholarship. Jenna spent 26 weeks travelling the world studying all aspects of slug invasions and slug control, and in…
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Invasion of a predator: Lionfish

By Rebecca Quarterman and Hannah Fielder The majestic, unusual looking Lionfish could be seen as harmless to the untrained eye. Yet, this invasive species has multiplied aggressively over the last two decades to become a serious threat to biodiversity in the marine setting. The red lionfish (Pterois volitans) and the devil firefish (Pterois miles) are…
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Traded forest tree seeds pose a great risk of introducing harmful pest, new research shows

CABI has led an international team of scientists who strongly suggest that the global trade of forest tree seeds is not as safe as previously believed, with insect pests and fungal pathogens posing a great risk to trees and forest ecosystems worldwide. Non-native insect pests and fungal pathogens present one of the major threats to…
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Potential slug invasions and their impact on UK biosecurity (Part 1)

Guest writer, Dr Jenna Ross, from Crop Health and Protection (CHAP), joins us for a two-part special series (read part 2) on the outputs of her prestigious Nuffield Farming Scholarship, where she spent 26 weeks travelling the world studying all aspects of slug invasions and methods of control. In Part 1, Jenna discusses the current…
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Collaborative effort in Kenya to manage the impact of scale insect in coastal region

By Fernadis Makale, CABI Scale insects – such as the coffee mealybug and cassava mealybug – are some of the least studied group of invertebrates in East Africa. However, a collaborative effort has been made to address the threat they pose to smallholder farmers: despite their cross-cutting status as pests in all plant groups, crops,…
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Kenya faces devastating Prosopis invasion: What can be done

Prosopis tree branches with yellow seed pods hanging from them.
By Purity Rima Mbaabu. Originally published on The Conversation. Woody plant species have been deliberately introduced into many arid and semi-arid regions across the world as they can help combat desertification and provide resources – like fuelwood – to the rural poor. But some of these alien trees and shrubs have become invasive, having devastating effects on other species as…
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Scientists recommend measures to contain rapid woody weed spread in Baringo County, Kenya

People in Kenya cycle and walk on a road completely surrounded by invasive prosopis bushes and trees
A team of international scientists, including CABI’s Dr Urs Schaffner, have recommended ways to manage the devastating spread of the woody weed Prosopis juliflora, where in Baringo County, Kenya, its coverage rapidly increased by 2,031 percent in just 28 years. PhD student Purity Rima Mbaabu, affiliated to the University of Nairobi and co-supervised by Simon…
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