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The US space agency NASA is currently flying a mission in South Africa which will be completed in December. The aim is to map the Greater Cape Floristic Region, which covers an area of 553,000 hectares. The natural site is one of the world’s 36 biodiversity hotspots. To put it more clearly, 1,400 plant species are increasingly rare or threatened by human pressure and global warming.
NASA is working with academics and engineers to map the floral potential of the city of Cape Town, which is under pressure from man and the climate. The mission should enable better monitoring of this unique biodiversity, which is home, for example, to 660 of the world’s 860 species of Erica (heather plants used to treat infections).
The Cape Biodiversity Survey (BioScape) is a combination of airborne remote sensing and extensive fieldwork. The fieldwork covers vegetation surveys and measurement of plant characteristics such as leaf spectral signatures and physicochemical properties. BioSCape should therefore make it possible to collect essential data for developing new conservation strategies. The team is made up of several scientists, in particular American researchers. They include Cherie Forbes and Adam Wilson from the University of Buffalo in New York, and Stephan Bellamy from Vanderbilt University, which is the 14th best university in the United States.
The objective is to halt the loss of biodiversity around the world and protect nature’s contribution to people’s lives. In concrete terms, the remote sensing data collected both by satellite and by aircraft will enable an effective response to harmful algal blooms that adversely affect fisheries and freshwater supplies. NASA astronauts will also be able to monitor the spread of invasive species that “modify fire regimes and exacerbate droughts”, according to academics.
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BioSCape is co-funded by the US government to the tune of 200 million South African rand ($10.8 million) and by the National Research Foundation of South Africa (NRF), which has already invested 20 million South African rand ($1 million). The United Nations Educational, Scientific and Cultural Organization (UNESCO), which promotes the preservation of ecosystems, has also granted 500,000 South African rand ($27,000) to fund awareness-raising and capacity-building activities.
