size: 5036KB - Crocodile Specialist Group

125
Ruaha River (Figure 2)
The Ruaha river within the Selous Game Reserve has two strata. The upstream end flows over
rock bars while the central section is wide and sandy. Before enrering the Rufti it again flows
over rocks. Crocodile densities were moderate - 1.57 crocodiies/km - with a ranse of oerween
0.5 lo 2.74. This is comparable with prevjous cnunrs (t.56 crrrcorlites/km I Hutton and
Katalihwa, 1988 and 1.77 crocodiles/km - Cames and Severre, t989; Table 3).
Kilohbero River (Figure 2)
The Kjlombero river is fed by the Kilombero swamp (5 500 km, approx) and is contained
within a single channel fbr most of its course within the Selous. Thjs channel is interspersed
with rock bars and has mud banks. The upper section (Ifakara bridge to Bomalanga meanders
through a broad floodplain with extensive sandbanks. Crocodile dens;ties ranged between L04
and 8.88 crocodiles/km (mean 2.86; Table 2) within rhe game reserve buiLlr,rpped to 0.34
crocodiles/km once outside the boundary.
1989 surveJ
The density (crocodiles\km) for the 1989 survey are presented in Figure 3 as some areas were
not covered in the present survey.
Figure 3: Selous crocodile survey - 1989
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Appor'matc ridits or Setous come Resede
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1OO km