Advancements in the satellite sensing of the impacts of climate and variability on bush encroachment in savannah rangelands

T Maphanga, T Dube, C Shoko, M Sibanda - Remote Sensing Applications …, 2022 - Elsevier
An increase in shrubs or woody species is likely, directly or indirectly, to significantly affect
rural livelihoods, wildlife/livestock productivity and conservation efforts. Poor and …

[HTML][HTML] Connecting the Dots: How Ecohydrological Connectivity Can Support Remote Sensing and Modeling to Inform Management of Woody Plant Encroachment

HE Schmidt, JMO Leyton, SC Popescu… - Rangeland Ecology & …, 2024 - Elsevier
Rangelands cover half of the world's land surface, yet they are often threatened by multiple
factors, such as the encroachment of woody plant populations. This comprehensive review …

Sentinel-1 and sentinel-2 data for savannah land cover mapping: Optimising the combination of sensors and seasons

J Borges, TP Higginbottom, E Symeonakis, M Jones - Remote Sensing, 2020 - mdpi.com
Savannahs are heterogeneous environments with an important role in supporting
biodiversity and providing essential ecosystem services. Due to extensive land use/cover …

Understanding the spatio-temporal distribution of bush encroachment in savannah rangelands, South Africa

T Maphanga, C Shoko, M Sibanda… - Geocarto …, 2024 - Taylor & Francis
Bush encroachment threatens rangelands' biodiversity and productivity, impacting savannah
ecosystems based on location, management practices, and factors like erratic rainfall …

Woody encroachment and related soil properties in different tenure-based management systems of semiarid rangelands

A Sandhage-Hofmann, J Löffler, E Kotzé, S Weijers… - Geoderma, 2020 - Elsevier
Woody encroachment is increasingly threatening savanna ecosystems, but it remains
unclear how this is driven by different land tenures and management systems. In South …

Woody cover fractions in African savannas from Landsat and high-resolution imagery

RL Nagelkirk, KM Dahlin - Remote Sensing, 2020 - mdpi.com
The challenge of mapping savanna vegetation has limited our understanding of the factors
that shape these ecosystems at large scales. We tested seven methods for mapping …

[HTML][HTML] One savanna, many shapes: How bush control affects the woody layer in the southern Kalahari

N Dreber, SE Van Rooyen, K Kellner - South African Journal of Botany, 2019 - Elsevier
Bush thickening (shrub encroachment) is a major ecological and economic threat in
southern African savannas. Different types and intensities of bush control (BC) are applied to …

A bibliometric analysis for remote sensing applications in bush encroachment mapping of grassland and savanna ecosystems

SR Gcayi, SA Adelabu, L Nduku, JG Chirima - Applied Geomatics, 2024 - Springer
Grasslands and savannas are experiencing transformation and degradation due to bush
encroachment (BE). BE has been monitored using restrictive traditional techniques that …

Assessing the dynamics of land use and land cover change in semi‐arid savannah: A focus on woody plant encroachment utilising historical satellite data

C Malapane, T Dube, T Dalu - African Journal of Ecology, 2024 - Wiley Online Library
The encroachment of woody plants into grassland and the conversion of grasslands to
woodlands is a worldwide phenomenon and has been regarded as a major global problem …

Orthorectification of WorldView‐3 Satellite Image Using Airborne Laser Scanning Data

B Pradhan, AA Ahmed, S Chakraborty… - Journal of …, 2021 - Wiley Online Library
Satellite images have been widely used to produce land use and land cover maps and to
generate other thematic layers through image processing. However, images acquired by …