Ethiopia’s Lake Tana is losing the fight to water hyacinth

Solomon Kibret, University of California, Irvine Lake Tana is the largest lake in Ethiopia. It holds 50% of the country’s fresh water. It is also the source of the Blue Nile, which contributes up to 60% of the Nile’s water. Not only is the lake important as a water source for over 123 million people …

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Invasive plants have a bigger impact than we imagine

Susana Clusella-Trullas, Stellenbosch University and Raquel A Garcia, Stellenbosch University This article is the fifth in a series The Conversation Africa is running on invasive species. Most people would agree that invasive plants are unwanted. Invasive plants are plants that are intentionally or accidentally introduced by humans into areas outside of their natural habitat. These …

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Ornamental plant in Kenya becomes invasive

By Verenardo Meeme     In this video, scientists explain the dangers of Opuntia stricta — an invasive cactus weed — covering large tracts of land in Kenya’s semi-arid Laikipia County, making lives of people, domestic animals as well as wildlife miserable, and efforts in place to tame its spread and adverse impacts. O. stricta, …

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