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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New study reveals the massive ecological and economic impacts of woody weed invasion in Ethiopia

Prosopis clearing along Awash river
CABI scientists have revealed the massive ecological and economic impacts that the invasive alien tree Prosopis juliflora has had across the Afar Region of north eastern Ethiopia. Dr Urs Schaffner, who is supervising lead author Mr Hailu Shiferaw for his PhD studies, contributed to the Science of The Total Environment published research which shows that the…
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Invasives killed the biodiversity star

The start of 2019 brought sad news when George, the last tree snail of his kind (Achatinella apexfulva) died on New Years Day. His death highlights the plight of Hawaiian snails and epitomises the rapid decline of biodiversity on the Hawaiian Islands.
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The twelve pests of Christmas (trees)

For many, December means celebrating Christmas and a central part of that is a Christmas tree. Evergreen trees have been used in celebration for centuries. The ancient Egyptians, Chinese, and Hebrews used evergreen trees, wreaths, and garlands to symbolize eternal life. Pagans worshiped trees, and Romans used evergreen wreaths during the festival of Saturnalia. The…
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Protecting Carnaúba Palm Trees in Brazil from Devil’s Claw

Called the “White Forest” by native populations, the Caatinga ecosystem covers an estimated 11% of Brazil and is spread across the states of Alagoas, Bahia, Ceará, northern Minas Gerais, Maranhão Paraíba, Piau, Pernambuco, Rio Grande do Norte and Sergipe. This dry forest is home to the largest populations of Carnaúba palms in the world. It…
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Highlighting forests’ vulnerability to invasive species

After habitat destruction, invasive alien species are the second biggest threat to biodiversity worldwide. It has a significant impact on livelihoods and the economy, incurring losses of USD$1.4 trillion a year. Prior to 2012 many South-East Asian countries lacked the policies and information on the presence, distribution and impact of invasive species to properly manage this…
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Alien hunters in Indonesia – protecting natural parks and forest ecosystems in SE Asia

The Global Forum on Agricultural Research (GFAR) posted four blogs about CABI’s activities in its ‘Partner Spotlight’ feature. One of these was on a four-year Global Environment Facility (GEF) funded project that we led which ended recently. The FORIS project was about preserving important genetic diversity in some of SE Asia’s forests. The blog is…
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The impacts of invasive weeds in Chitwan National Park, Nepal

A rhino amongst chromolaena
Mikania (Mikania micrantha) is a tropical vine which is native to the Americas. Often referred to as the ‘Mile-a-Minute Weed,’ mikania grows rapidly in areas of high rainfall and has become highly invasive in parts of Asia and the Pacific. Under the Convention on Biological Diversity, invasive species are defined as alien species that threaten…
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Invasive myrtle rust impacts discussed at international forestry congress

CABI has recently published a comprehensive review and update of its ISC datasheet on the globally important pathogen Puccinia psidii, commonly known as myrtle rust or guava rust. This problematic fungus is of worldwide importance and is capable of infecting a wide range of hosts. To date it has over 440 host species; affecting many…
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