Terrace farming flourished in Bokoni from the sixteenth century CE onwards. Bokoni farmers’ resilience strategies, however, were severely tested during the third occupation phase (approx. 1780 to 1840 CE), when the mfecane destabilised the region. In order to reflect on the environmental conditions Bokoni farmers faced in this period the stable carbon isotope proxy rainfall records from Prunus africana and Pittosporum viridiflorum specimens that grew on the Buffelskloof site were studied. Because the Buffelskloof records postdate the occupation, the records are compared with a 1000-year Adansonia digitata rainfall proxy record from the Pafuri region. Deviations between the two are attributed to the juvenile effect, and when these are discounted there is a significant correlation between local and regional rainfall records. This suggests common large-scale synoptic forcing underlies regional rainfall variability, and the decadal-scale variability in the Adansonia digitata records indicates extremely dry conditions in the 1780 to 1840 CE period.

露台养殖Bokoni蓬勃发展，从十六世纪CE起。然而，博科尼农民的复原力策略在第三个占领阶段（大约1780年至1840年）受到严格测试，当时mfecane破坏了该地区的稳定。为了反映环境状况，Bokoni农民在此期间面临着稳定的碳同位素替代降雨记录，该记录来自在Buffelskloof站点上生长的非洲李子和Pittosporum viridiflorum标本。由于Buffelskloof记录的日期早于占领时间，因此将这些记录与1000年的Adansonia digitata进行了比较Pafuri地区的降雨代理记录。两者之间的偏差是由于幼年效应造成的，如果将它们抵消，则当地和区域的降雨记录之间存在显着的相关性。这表明普通大型天气迫使underlies地区降雨量的变化，而在年代际尺度的变化猴面包树的记录表明在1780至1840年极端干旱条件CE时期。