Affad 23
Basic information
Sample name: Affad 23

Reference: M. Osypinska and P. Osypinski. 2016. Animal exploitation and behaviour of the latest Middle Stone Age societies in the Middle Nile Valley: archaeozoological and taphonomic analysis of Late Pleistocene fauna from the Affad Basin, Sudan. African Archaeological Review 33:107-127 [ER 3094]
Geography
Country: Sudan

Coordinate: 18° 5' N, 31° 15' E
Basis of coordinate: estimated from map
Geography comments: shown on a map at a point roughly in between Al Dabbah (18º 3' N, 30º 57' E) and Korti (18º 7' N, 31º 33' E) on the Nile River
there are two OSL dates of 15.9 +/- 1.75 ka and 15.1 +/- 1.66 ka, with an OSL date of 21.1 +/- 2.32 ka for an underlying calcareous silt
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Climate and habitat
Lithology: sandstone
Taphonomic context: fluvial deposit, human accumulation, tools
Habitat comments: "sand and silt units... Sand bar or channel bank beach was a place of human seasonal settlement" and accumulation is inferred to have been by hunting
Levallois lithics are present
Methods
Life forms: primates, rodents, ungulates, lizards, fishes
Sampling methods: quarry, screenwash
Sample size: 985
Years: 2012 - 2014
Sampling comments: "the excavated sediments were screened (2-mm mesh size)"
numerous indeterminate remains are also listed
Metadata
Sample: 3373
Contributor: John Alroy
Enterer: John Alroy
Created: 2019-08-27 13:52:49
Modified: 2019-08-27 13:52:49
Abundance distribution
10 species
1 singleton
total count 985
standardised richness: not computable
Fisher's α: 1.549
geometric series k: 0.4897
Hurlbert's PIE: 0.5532
Shannon's H: 1.1262
Good's u: 0.9990
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Register
Chlorocebus sp.126
Thryonomys swinderianus145.2 kg
Hippopotamus amphibius186981 kg grazer
Madoqua saltiana12
Ourebia ourebi1514 kg grazer-browser
Redunca redunca622 kg grazer
Kobus sp.618
Syncerus caffer3548 kg grazer-browser
Varanus niloticus4
Clariidae indet.1