GeoLog

grasslands

GeoTalk: meet Abraham Dabengwa, Early Career savanna conservationist!

Simon Clark July 22, 2022

Hello Abraham. Thank you for speaking with us today! Could you tell our readers a bit about yourself and your research? Thanks, Simon! It’s a pleasure to be invited to share about my work. Well, where do I begin? For starters, I’m a Genus Postdoctoral Fellow at the University of the Witwatersrand in Johannesburg, South Africa. I describe myself as an early-career African ecologist with a keen inte ...[Read More]

Imaggeo On Monday: Stands of Time

Trent Marwick February 21, 2022

Stands of Time. Credit: Trent Marwick (distributed via imaggeo.egu.eu)

Within the heart of the Malagasy Hauts-Plateaux, the rolling grasslands are pitted by deep incisions locally referred to as lavaka (‘hole’ in Malagasy). These mass failure features provide vast quantities of terrestrial matter to local freshwater arteries, accounting for over 80% of the annual sediment load of the Betsiboka River. The collapse of the overlying laterite exposes a comparatively nutr ...[Read More]