As waterfalls continue to flow over long periods, they begin to retreat. This results in a horizontal pit which is parallel to the waterfall. Over a period of many years, the pit becomes larger and the waterfall is replaced by a stretch of river bed, which is inclined. Movements of the ...
alpine and montane ecosystems; austral perspective; environmental sustainability; global change; long-term research; mountain observatories; multi-disciplinary research; social context; socio-ecological coupling; Southern Africa1. Introduction Southern Africa is the southernmost region of Africa. This region ...