Browsing by Subject "ecosystem"

Now showing 1 - 3 of 3
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    Extinctions: Past and Present Week 4 - The evolution of grasslands
    (2017-03-17) Chinsamy-Turan, Anusuya; Bond, William
    In this video, Professor Anusuya Chinsamy-Turan interviews Professor William bond about his knowledge on grassland ecosystems and how they came to be so widespread. They discuss factors such as changes in atmospheric CO2, the role of herbivores, and fires in spreading grasslands.
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    Extinctions: Past and Present Week 5 - Ecosystem pressures
    (2017-03-17) Chinsamy-Turan, Anusuya; Gillson, Lindsey
    In this video, Professor Anusuya Chinsamy-Turan interviews Professor Lindsey Gillson, an ecologist studying the long-term conservation of ecosystems, about her concerns regarding the Anthropocene. She explains that extinctions of modern biota are being caused by many different factors.
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    Extinctions: Past and Present Week 5 - Threats to plants
    (2017-03-17) Chinsamy-Turan, Anusuya; Muasya, Muthama
    In this video, Professor Anusuya Chinsamy-Turan interviews Professor Muthama Muasya, a plant scientist, about the threats facing plants from humans' impact on their habitats. He discusses how plants show up in the fossil record, and some of the existing threat to the plant species in the Western Cape region of South Africa. This is video 3 in Week 5 of the Extinctions: Past and Present MOOC.