Taking action on invasives and youth unemployment in Zambia

Youth unemployment is a significant economic and social burden for Zambia. So too is the impact of invasive species on agricultural production and the natural environment. Are these mutually exclusive challenges, or can youth unemployment and tackling agricultural challenges, such as invasive species, be effectively positioned together to deliver jobs, food security and sustainable agriculture?…
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The impact of invasive species on human health

By Giuseppe Mazza and Elena Tricarico, Università degli Studi di Firenze, Italy Invasive species are becoming a popular topic in newspapers: when articles appear, they mainly report the damages invasive species can cause to our ecosystems (e.g. reduction or disappearance of native species as well as habitat modification) or to our economic activities: fishing or…
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Invasive species: the threat to human health

The damage that invasive species can cause to the environment and the economy are well known, but impacts on human health have been much less analysed. However, invasive species can cause impacts ranging from psychological effects, phobias, discomfort and nuisance to allergies, poisoning, bites, disease and even death. Invasives experts Giuseppe Mazza and Elena Tricarico…
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Invasive Alien Plants

It was back in the early 1990s, on my first field trip to Assam in North-east India, with invasion ecologist Dr. Sean T. Murphy, when I first encountered mikania growing as an invasive weed. Until then, I had only seen this vine in its Central and South American native range, where locating a population of the plant could sometimes take all day.
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Why biological control is an important tool to manage problematic invasive species in Europe

Over the last few years, biological invasions have become a regular topic in the news. Today the general public is probably better informed about the negative environmental and economic impacts alien invasive species can cause than ever before. However, concern about invasive species and the search for methods to sustainably manage them has a much longer history, dating back to the 19th century
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Invasive species, climate change and tourism impacts the greatest threats to natural World Heritage

A new report from the IUCN looks at conservation prospects, threats, protection and management of natural World Heritage sites. The IUCN World Heritage Outlook 2 summarises the key trends in the state of conservation of natural World Heritage sites, the threats and pressures they are facing, and the effectiveness of their protection and management. The…
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Malaria incidence and invasive plants – is there a link?

25 April is World Malaria Day – a time to reflect on the steps we can take to tackle this terrible disease. Much progress has been made in the fight against malaria over the past 15 years, like the use of bed nets impregnated with pesticides, but 3.2 billion people are still at risk. If…
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Invasive Mikania weed threatens people’s livelihoods and endangered iconic species

       22 May 2015 is Biodiversity Day. Non-native invasive species like Mikania can detrimentally affect biodiversity – natural habitats and the people and animals that live in them. CABI’s Sean Murphy explains why. Mikania (Mikania micrantha) is a tropical vine which is native to the Americas. Often referred to as the ‘Mile-a-Minute Weed,’…
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The urgent need for evidence based policy in invasive species management

Hundreds of invasive species experts gathered last week, 23-27 October, in Qingdao China at the 2nd International Congress on Biological Invasions. High on the agenda was how policy makers can respond to the accelerating risk posed by invasive species as international trade increases and climate change opens up new opportunities for invasion. In a session…
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New urban invasives report launched with CABI contributions

  Highly invasive Japanese knotweed (Fallopia japonica) growing in High Wycombe, UK   Contributed by Esther Gerber, CABI Switzerland Last week in Gland, Switzerland, a meeting was held on the threat of urban ecosystems titled ‘Invasive Alien species: the Urban Dimension.” During the meeting, a representative of the European Commission announced a series of upcoming…
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