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Tracing the Source of the Elephant And Hippopotamus Ivory from ...

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Table 4: Percentage <strong>of</strong> C3 plants in diet as inferred <strong>from</strong> stable carbon isotope ratios <strong>of</strong><br />

bone collagen in African elephant population. Data <strong>from</strong> Sukumar and Ramesh (1995:<br />

370) and Tieszen et al. (1989).<br />

Region/Country Vegetation type δ 13 C per mil SD % C3 plants<br />

in diet<br />

Nilgiris-E.Ghats, India Moist & dry -18.6 ± 1.36<br />

71<br />

deciduous forest<br />

(n=16, adults)<br />

Tsavo, Kenya Grasslands & dense<br />

woodland<br />

East Tsavo, Kenya Grassland<br />

Addo, South Africa Portulacaria thicket<br />

Damaraland, Namibia Semi desert<br />

Luangwa, Zambia Mixed woodland<br />

with mopane<br />

Liwonde, Malawi Mopane woodland<br />

with marsh<br />

Kruger, South Africa Bushveld savanna<br />

Kasungu, Malawi Brachystegia<br />

woodland<br />

Nazinga, Burkino Faso Nor<strong>the</strong>rn guinea<br />

savanna<br />

Parc W., Niger Nor<strong>the</strong>rn guinea<br />

savanna<br />

Shimba Hills, Kenya Forest-woodland<br />

mosaic<br />

Knysna, South Africa Coastal forest<br />

Gola, Sierra Leone Rain forest<br />

114<br />

-16.4 ± 3.61<br />

(n=65, all ages)<br />

57<br />

-18.4 ± 0.18 (n=65) 75<br />

-16.4 ± 0.7 (n=4) 65<br />

-17.0 ± 0.4 (n=5) 68<br />

-19.0 (n=1) 82<br />

-17.9 ± 0.2 (n=4) 75<br />

-19.3 ± 0.3 (n=3) 85<br />

-20.8 ± 1.0 (n=34) 97<br />

-19.8 ± 0.3 (n=4) 88<br />

-21.9 (n=2) 100<br />

-22.0 ± 0.3 (n=5) 100<br />

-22.2 ± 0.3 (n=4) 100<br />

-23.2 (n=1) 100<br />

-24.0 (n=1) 100<br />

Sapo, Liberia Primary rain forest -27.3 ± 0.5 (n=8) 100

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