The extent of forest in dryland biomes

JF Bastin, N Berrahmouni, A Grainger, D Maniatis… - Science, 2017 - science.org
Dryland biomes cover two-fifths of Earth's land surface, but their forest area is poorly known.
Here, we report an estimate of global forest extent in dryland biomes, based on analyzing …

Recent advances in forest observation with visual interpretation of very high-resolution imagery

D Schepaschenko, L See, M Lesiv, JF Bastin… - Surveys in …, 2019 - Springer
The land area covered by freely available very high-resolution (VHR) imagery has grown
dramatically over recent years, which has considerable relevance for forest observation and …

[HTML][HTML] Map** tree canopy cover and aboveground biomass in Sudano-Sahelian woodlands using Landsat 8 and random forest

M Karlson, M Ostwald, H Reese, J Sanou, B Tankoano… - Remote Sensing, 2015 - mdpi.com
Accurate and timely maps of tree cover attributes are important tools for environmental
research and natural resource management. We evaluate the utility of Landsat 8 for …

Remote sensing of vegetation in the Sudano-Sahelian zone: A literature review from 1975 to 2014

M Karlson, M Ostwald - Journal of Arid Environments, 2016 - Elsevier
Scarcity of in situ vegetation data inhibits research and natural resource management in the
Sudano-Sahelian zone (SSZ). Satellite and aerial remote sensing (RS) constitute key …

Cross-site learning in deep learning RGB tree crown detection

BG Weinstein, S Marconi, SA Bohlman, A Zare… - Ecological …, 2020 - Elsevier
Tree crown detection is a fundamental task in remote sensing for forestry and ecosystem
ecology. While many individual tree segmentation algorithms have been proposed, the …

Woody plant cover estimation in drylands from Earth Observation based seasonal metrics

M Brandt, P Hiernaux, T Tagesson, A Verger… - Remote Sensing of …, 2016 - Elsevier
From in situ measured woody cover we develop a phenology driven model to estimate the
canopy cover of woody species in the Sahelian drylands at 1 km scale. The model estimates …

Transferability of recursive feature elimination (RFE)-Derived feature sets for support Vector Machine Land Cover classification

CA Ramezan - Remote Sensing, 2022 - mdpi.com
Remote sensing analyses frequently use feature selection methods to remove non-
beneficial feature variables from the input data, which often improve classification accuracy …

Assessing the potential of multi-seasonal WorldView-2 imagery for map** West African agroforestry tree species

M Karlson, M Ostwald, H Reese, HR Bazié… - International Journal of …, 2016 - Elsevier
High resolution satellite systems enable efficient and detailed map** of tree cover, with
high potential to support both natural resource monitoring and ecological research. This …

A comparison of machine learning models for map** tree species using WorldView-2 imagery in the agroforestry landscape of West Africa

M Usman, M Ejaz, JE Nichol, MS Farid… - … International Journal of …, 2023 - mdpi.com
Farmland trees are a vital part of the local economy as trees are used by farmers for
fuelwood as well as food, fodder, medicines, fibre, and building materials. As a result …

Climate, fire, and anthropogenic disturbance determine the current global distribution of tropical forest and savanna

GJ Williamson, DYP Tng… - Environmental Research …, 2024 - iopscience.iop.org
Tropical forest and savanna biomes are pivotal in the functioning of the Earth system. Both
are biodiverse and under increasing threat due to land clearing and anthropogenic climate …