Reviewing B iosphere R eserves globally: effective conservation action or bureaucratic label?

KL Coetzer, ETF Witkowski, BFN Erasmus - Biological Reviews, 2014 - Wiley Online Library
ABSTRACT The Biosphere Reserve (BR) model of UNESCO's Man and the Biosphere
Programme reflects a shift towards more accountable conservation. Biosphere Reserves …

Human impacts in African savannas are mediated by plant functional traits

CP Osborne, T Charles‐Dominique, N Stevens… - New …, 2018 - Wiley Online Library
Tropical savannas have a ground cover dominated by C4 grasses, with fire and herbivory
constraining woody cover below a rainfall‐based potential. The savanna biome covers 50 …

Woody encroachment over 70 years in South African savannahs: overgrazing, global change or extinction aftershock?

N Stevens, BFN Erasmus… - … Transactions of the …, 2016 - royalsocietypublishing.org
Woody encroachment in 'open'biomes like grasslands and savannahs is occurring globally.
Both local and global drivers, including elevated CO2, have been implicated in these …

How does ethnic diversity affect energy poverty? Insights from South Africa

I Koomson, C Afoakwah, A Ampofo - Energy Economics, 2022 - Elsevier
We examine the effect of ethnic diversity on energy poverty in post-apartheid South Africa
after several decades of racial segregation. We use both ethnic fractionalisation and …

First validation of GEDI canopy heights in African savannas

X Li, K Wessels, J Armston, S Hancock… - Remote Sensing of …, 2023 - Elsevier
Savannas have complex, discontinuous woody vegetation structures that vary greatly in
vertical and spatial arrangement and change due to climatic, ecological and management …

Democratization of ecosystem services—a radical approach for assessing nature's benefits in the face of urbanization

MR McHale, SM Beck, STA Pickett… - Ecosystem Health …, 2018 - Taylor & Francis
ABSTRACT Objectives:(1) To evaluate how ecosystem services may be utilized to either
reinforce or fracture the planning and development practices that emerged from segregation …

Predicting the effects of woody encroachment on mammal communities, grazing biomass and fire frequency in African savannas

IPJ Smit, HHT Prins - PloS one, 2015 - journals.plos.org
With grasslands and savannas covering 20% of the world's land surface, accounting for 30–
35% of worldwide Net Primary Productivity and supporting hundreds of millions of people …

Toward operational map** of woody canopy cover in tropical savannas using Google Earth Engine

JY Anchang, L Prihodko, W Ji, SS Kumar… - Frontiers in …, 2020 - frontiersin.org
Savanna woody plants can store significant amounts of carbon while also providing
numerous other ecological and socio-economic benefits. However, they are significantly …

Map** fractional woody cover in semi-arid savannahs using multi-seasonal composites from Landsat data

TP Higginbottom, E Symeonakis, H Meyer… - ISPRS Journal of …, 2018 - Elsevier
Increasing attention is being directed at map** the fractional woody cover of savannahs
using Earth-observation data. In this study, we test the utility of Landsat TM/ETM-based …

Savannah woody structure modelling and map** using multi-frequency (X-, C-and L-band) Synthetic Aperture Radar data

L Naidoo, R Mathieu, R Main, W Kleynhans… - ISPRS Journal of …, 2015 - Elsevier
Structural parameters of the woody component in African savannahs provide estimates of
carbon stocks that are vital to the understanding of fuelwood reserves, which is the primary …