A reconstruction of the El Nino Southern Oscillation signal in
Southern and Eastern Africa is being developed. This reconstruc-
tion is based on growthring-series of different tree-species of
the Miombo Woodland-vegetationtype. The efficiency of this
dendrochronological study is increased by a profound site-
selection. This selection is conducted through the analysis of
satellite-images. A number of problems, frequently occurring in
dendrochronological research of tropical species, is examined
by accurate monitoring of the phenology of the tree-species.
The phenology is examined through monitoring of the cambial
activity and through analysis of satellite images.
