Articles | Volume 14, issue 13
https://doi.org/10.5194/bg-14-3239-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/bg-14-3239-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
Research article
| 
10 Jul 2017
Research article |
| 10 Jul 2017
Patterns in woody vegetation structure across African savannas
Christoffer R. Axelsson
CORRESPONDING AUTHOR
Geospatial Sciences Center of Excellence, South Dakota State University, Brookings, SD, USA
Niall P. Hanan
Plant and Environmental Sciences, New Mexico State University, Las Cruces, NM, USA
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Cited
31 citations as recorded by crossref.
- Advancements in the satellite sensing of the impacts of climate and variability on bush encroachment in savannah rangelands T. Maphanga et al. 10.1016/j.rsase.2021.100689
- A combination of Sentinel-1 RADAR and Sentinel-2 multispectral data improves classification of morphologically similar savanna woody plants E. Fundisi et al. 10.1080/22797254.2022.2083984
- The size of topographic depressions in a Sahelian savanna is a driver of woody vegetation diversity M. Dendoncker et al. 10.1016/j.jaridenv.2022.104923
- Reprint of: Influence of trees on landscape temperature in semi-arid agro-ecosystems of East Africa L. Villani et al. 10.1016/j.biosystemseng.2022.10.004
- A bi-seasonal classification of woody plant species using Sentinel-2A and SPOT-6 in a localised species-rich savanna environment E. Fundisi et al. 10.1080/10106049.2021.1939441
- Satellites could soon map every tree on Earth N. Hanan & J. Anchang 10.1038/d41586-020-02830-3
- Do limits exist on potential woody cover of Brazilian savanna? X. Yang et al. 10.1016/j.ecolind.2023.110220
- Monitoring Dryland Trees With Remote Sensing. Part A: Beyond CORONA—Historical HEXAGON Satellite Imagery as a New Data Source for Mapping Open-Canopy Woodlands on the Tree Level I. Marzolff et al. 10.3389/fenvs.2022.896702
- Climate Change Impacts on the Water Resources and Vegetation Dynamics of a Forested Sardinian Basin through a Distributed Ecohydrological Model S. Sirigu & N. Montaldo 10.3390/w14193078
- Satellite-based woody canopy cover for Africa: Uncovering bias and recovering best estimates across years N. Kahiu et al. 10.1016/j.srs.2024.100124
- Estimation of Woody and Herbaceous Leaf Area Index in Sub‐Saharan Africa Using MODIS Data M. Kahiu & N. Hanan 10.1002/2017JG004105
- The role of precipitation and woody cover deficit in juniper encroachment in Texas savanna X. Yang & K. Crews 10.1016/j.jaridenv.2020.104196
- Rates of woody encroachment in African savannas reflect water constraints and fire disturbance C. Axelsson & N. Hanan 10.1111/jbi.13221
- Sub-continental-scale carbon stocks of individual trees in African drylands C. Tucker et al. 10.1038/s41586-022-05653-6
- More than one quarter of Africa’s tree cover is found outside areas previously classified as forest F. Reiner et al. 10.1038/s41467-023-37880-4
- An unexpectedly large count of trees in the West African Sahara and Sahel M. Brandt et al. 10.1038/s41586-020-2824-5
- Influence of trees on landscape temperature in semi-arid agro-ecosystems of East Africa L. Villani et al. 10.1016/j.biosystemseng.2021.10.007
- Thinning relationships of woody encroachers in a US southwestern shrubland T. Roberts & N. Hanan 10.1016/j.jaridenv.2024.105245
- Reduction of tree cover in West African woodlands and promotion in semi-arid farmlands M. Brandt et al. 10.1038/s41561-018-0092-x
- Not only trees: Grasses determine African tropical biome distributions via water limitation and fire D. D'Onofrio et al. 10.1111/geb.12735
- Features of the structure and development of the crowns of woody plants of the genus Robinia L. . Лазарев & . Семенютина 10.25726/i6395-6040-9461-r
- On the transpiration of wild olives under water-limited conditions in a heterogeneous ecosystem with shallow soil over fractured rock R. Corona & N. Montaldo 10.2478/johh-2020-0022
- Grass species richness decreases along a woody plant encroachment gradient in a semi-arid savanna grassland, South Africa R. Mogashoa et al. 10.1007/s10980-020-01150-1
- TCDNet: Tree Crown Detection From UAV Optical Images Using Uncertainty-Aware One-Stage Network W. Wu et al. 10.1109/LGRS.2022.3214281
- Hydrologic sustainability of a mediterranean tree-grass ecosystem under climate change N. Montaldo & R. Corona 10.1016/j.jhydrol.2024.131772
- The role of topographic and soil factors on woody plant encroachment in mountainous rangelands: A mini literature review M. Gxasheka et al. 10.1016/j.heliyon.2023.e20615
- Constraints on shrub cover and shrub–shrub competition in a U.S. southwest desert W. Ji et al. 10.1002/ecs2.2590
- Diurnal Photosystem II Photochemical Efficiency and Biomass Partitioning in Acacia mellifera and Acacia laeta Seedlings Under Drying Soil A. SIAM & İ. ABDALKREEM 10.17475/kastorman.543538
- Alternative Vegetation States in Tropical Forests and Savannas: The Search for Consistent Signals in Diverse Remote Sensing Data S. Kumar et al. 10.3390/rs11070815
- Multiscale Assimilation of Sentinel and Landsat Data for Soil Moisture and Leaf Area Index Predictions Using an Ensemble-Kalman-Filter-Based Assimilation Approach in a Heterogeneous Ecosystem N. Montaldo et al. 10.3390/rs14143458
- A bi-seasonal classification of woody plant species using Sentinel-2A and SPOT-6 in a localised species-rich savanna environment E. Fundisi et al. 10.1080/10106049.2021.1939441
30 citations as recorded by crossref.
- Advancements in the satellite sensing of the impacts of climate and variability on bush encroachment in savannah rangelands T. Maphanga et al. 10.1016/j.rsase.2021.100689
- A combination of Sentinel-1 RADAR and Sentinel-2 multispectral data improves classification of morphologically similar savanna woody plants E. Fundisi et al. 10.1080/22797254.2022.2083984
- The size of topographic depressions in a Sahelian savanna is a driver of woody vegetation diversity M. Dendoncker et al. 10.1016/j.jaridenv.2022.104923
- Reprint of: Influence of trees on landscape temperature in semi-arid agro-ecosystems of East Africa L. Villani et al. 10.1016/j.biosystemseng.2022.10.004
- A bi-seasonal classification of woody plant species using Sentinel-2A and SPOT-6 in a localised species-rich savanna environment E. Fundisi et al. 10.1080/10106049.2021.1939441
- Satellites could soon map every tree on Earth N. Hanan & J. Anchang 10.1038/d41586-020-02830-3
- Do limits exist on potential woody cover of Brazilian savanna? X. Yang et al. 10.1016/j.ecolind.2023.110220
- Monitoring Dryland Trees With Remote Sensing. Part A: Beyond CORONA—Historical HEXAGON Satellite Imagery as a New Data Source for Mapping Open-Canopy Woodlands on the Tree Level I. Marzolff et al. 10.3389/fenvs.2022.896702
- Climate Change Impacts on the Water Resources and Vegetation Dynamics of a Forested Sardinian Basin through a Distributed Ecohydrological Model S. Sirigu & N. Montaldo 10.3390/w14193078
- Satellite-based woody canopy cover for Africa: Uncovering bias and recovering best estimates across years N. Kahiu et al. 10.1016/j.srs.2024.100124
- Estimation of Woody and Herbaceous Leaf Area Index in Sub‐Saharan Africa Using MODIS Data M. Kahiu & N. Hanan 10.1002/2017JG004105
- The role of precipitation and woody cover deficit in juniper encroachment in Texas savanna X. Yang & K. Crews 10.1016/j.jaridenv.2020.104196
- Rates of woody encroachment in African savannas reflect water constraints and fire disturbance C. Axelsson & N. Hanan 10.1111/jbi.13221
- Sub-continental-scale carbon stocks of individual trees in African drylands C. Tucker et al. 10.1038/s41586-022-05653-6
- More than one quarter of Africa’s tree cover is found outside areas previously classified as forest F. Reiner et al. 10.1038/s41467-023-37880-4
- An unexpectedly large count of trees in the West African Sahara and Sahel M. Brandt et al. 10.1038/s41586-020-2824-5
- Influence of trees on landscape temperature in semi-arid agro-ecosystems of East Africa L. Villani et al. 10.1016/j.biosystemseng.2021.10.007
- Thinning relationships of woody encroachers in a US southwestern shrubland T. Roberts & N. Hanan 10.1016/j.jaridenv.2024.105245
- Reduction of tree cover in West African woodlands and promotion in semi-arid farmlands M. Brandt et al. 10.1038/s41561-018-0092-x
- Not only trees: Grasses determine African tropical biome distributions via water limitation and fire D. D'Onofrio et al. 10.1111/geb.12735
- Features of the structure and development of the crowns of woody plants of the genus Robinia L. . Лазарев & . Семенютина 10.25726/i6395-6040-9461-r
- On the transpiration of wild olives under water-limited conditions in a heterogeneous ecosystem with shallow soil over fractured rock R. Corona & N. Montaldo 10.2478/johh-2020-0022
- Grass species richness decreases along a woody plant encroachment gradient in a semi-arid savanna grassland, South Africa R. Mogashoa et al. 10.1007/s10980-020-01150-1
- TCDNet: Tree Crown Detection From UAV Optical Images Using Uncertainty-Aware One-Stage Network W. Wu et al. 10.1109/LGRS.2022.3214281
- Hydrologic sustainability of a mediterranean tree-grass ecosystem under climate change N. Montaldo & R. Corona 10.1016/j.jhydrol.2024.131772
- The role of topographic and soil factors on woody plant encroachment in mountainous rangelands: A mini literature review M. Gxasheka et al. 10.1016/j.heliyon.2023.e20615
- Constraints on shrub cover and shrub–shrub competition in a U.S. southwest desert W. Ji et al. 10.1002/ecs2.2590
- Diurnal Photosystem II Photochemical Efficiency and Biomass Partitioning in Acacia mellifera and Acacia laeta Seedlings Under Drying Soil A. SIAM & İ. ABDALKREEM 10.17475/kastorman.543538
- Alternative Vegetation States in Tropical Forests and Savannas: The Search for Consistent Signals in Diverse Remote Sensing Data S. Kumar et al. 10.3390/rs11070815
- Multiscale Assimilation of Sentinel and Landsat Data for Soil Moisture and Leaf Area Index Predictions Using an Ensemble-Kalman-Filter-Based Assimilation Approach in a Heterogeneous Ecosystem N. Montaldo et al. 10.3390/rs14143458
Latest update: 20 Nov 2024
Short summary
We used high-resolution satellite images to analyze woody vegetation (trees and shrubs) across African savannas. By delineating individual tree crowns we estimated the number of trees, sizes of crowns, and the spatial pattern of woody vegetation in the landscape. We find several interesting relationships for how vegetation properties (including the emergence of highly organized periodic vegetation patterns) are influenced by the local environment.
We used high-resolution satellite images to analyze woody vegetation (trees and shrubs) across...
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