been undertaken to investigate faunal change in Olduvai Bed-I. The palaeoenvironments
inferred from rodent faunas recorded in Olduvai Bed-I suggest a change between the middle
(FLK+ FLKNN) and the top of the series (FLKN). Changes have also been observed from
taxonomic studies of large mammals and from palynological studies. These differences have
been attributed in the past to climatic change, but taphonomic studies suggest a more …