The natural community is adapted to spotty precipitation typically totaling to less than an annual mean of 300 mm. Desertification - Refers to the transformation of nondesert ecosystems to desert-like conditions with less vegetation, less organic matter in the soil, more rapid 
(The natural community; is adapted; to spotty precipitation) (spotty precipitation; typically totaling; to)
The natural community spotty precipitation
is adapted typically totaling
to spotty precipitation
to