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Showing 1–9 of 9 results
Advanced filters: Author: Pierre Hiernaux Clear advanced filters

  • The authors conduct a national inventory on individual tree carbon stocks in Rwanda using aerial imagery and deep learning. Most mapped trees are located in farmlands; new methods allow partitioning to any landscape categories, effective planning and optimization of carbon sequestration and the economic benefits of trees.

    • Maurice Mugabowindekwe
    • Martin Brandt
    • Rasmus Fensholt
    ResearchOpen Access
    Nature Climate Change
    Volume: 13, P: 91-97

  • Sub-metre-resolution satellite imagery is used to identify the presence of nearly 2.8 million baobab trees in the Sahel, with 94% of rural buildings in Senegal having at least one baobab tree in their immediate surroundings. The abundance of baobabs is associated with a higher likelihood of people consuming highly nutritious dark green leafy vegetables.

    • Ke Huang
    • Martin Brandt
    • Rasmus Fensholt
    Research
    Nature Ecology & Evolution
    Volume: 8, P: 1632-1640

  • A database and viewer is described, resulting from the assessment of the carbon stock of over 9 billion individual trees in semi-arid sub-Saharan Africa using field data, machine learning, satellite data and high-performance computing.

    • Compton Tucker
    • Martin Brandt
    • Rasmus Fensholt
    ResearchOpen Access
    Nature
    Volume: 615, P: 80-86

  • Martin Brandt et al. studied foliage mass from Senegal over 30 years, observing the effects of climate change on dryland vegetation. Rainfall caused increases in both herbaceous and woody foliage, but woody vegetation benefits from rainfall timing changes with potential knock-on effects to the local herbivore populations.

    • Martin Brandt
    • Pierre Hiernaux
    • Rasmus Fensholt
    ResearchOpen Access
    Communications Biology
    Volume: 2, P: 1-10

  • Deep learning was used to map the crown sizes of each tree in the West African Sahara, Sahel and sub-humid zone using submetre-resolution satellite imagery, revealing a relatively high density of trees in arid areas.

    • Martin Brandt
    • Compton J. Tucker
    • Rasmus Fensholt
    Research
    Nature
    Volume: 587, P: 78-82

  • Over the past decade, agroforestry and restoration of degraded forests increased the number of trees and carbon stock in Rwanda; these measures have the potential to largely offset national carbon emissions by 2050, according to a carbon-stock analysis based on aerial and satellite images.

    • Maurice Mugabowindekwe
    • Martin Brandt
    • Rasmus Fensholt
    ResearchOpen Access
    Communications Earth & Environment
    Volume: 5, P: 1-10