Elephant Database
African Elephant Specialist Group

Ethiopia, 2007

All Years for Ethiopia: 201620132007200219981995

2007 Summary Totals for Ethiopia

Data Category Definite Probable Possible Speculative
Aerial or Ground Total Counts6000
Informed Guesses6280920200
Other Guesses0006
Totals 20066340920206

Interpretation of Changes in Estimates from Previous Report

Cause of Change Definite Probable Possible Speculative
New Guess+2380-45-129

Area of Range Covered by Each Data Category (km²)

Data CategoryKnown RangePossible RangeTotal Range
Informed Guesses8,98815,90724,895
Other Guesses1,12901,129
Unassessed Range64611,69512,341

Ethiopia : Elephant Estimates

Cause ofSurvey Details2 Number of Elephants Area Map Location
Input ZoneChange1TypeReliab.YearEstimate95% C.L. SourcePFS3 (km²) Lon. Lat.
Babille Elephant SanctuaryNGIG3D2005264Y. Demeke, pers. comm., 200623,508 42.3E 8.7N
Chebera-Churchura Wildlife Reserve-IG3D200160Chago et al., 200124,212 36.8E 6.9N
Dabus Valley Controlled Hunting Area-IG3D1998200M. Abdi, pers. comm., 199822,127 35.1E 10.6N
Gambella National Park-IG3D2002200EWCO, 200215,061 33.9E 8.0N
Mago & Omo National Parks-IG3D2002324 200*Demeke, 200316,230 36.0E 5.8N
Mizan Teferi Controlled Hunting Area-IG3D1998500M. Abdi, pers. comm., 199823,160 35.7E 7.4N
Shire-AT2A19976Litoroh, 1997a21,123 37.8E 14.3N
Tekezze Valley Wildlife Reserve-AT2E19966Litoroh, 1997a21,130 37.2E 14.2N

* Range of informed guess

1Key to Causes of Change (only tracked since 2007): DA: Different Area; DD: Data Degraded; DT: Different Technique; NA: New Analysis; NG: New Guess; NP: New population; PL: Population Lost; RS: Repeat Survey (RS ́ denotes a repeat survey that is not statistically comparable for reasons such as different season); –––: No Change

2Key to Survey Types: AC: Aerial Count, not specified; AS: Aerial Sample Count; AT: Aerial Total Count; DC: Dung Count; EX: Extrapolation from GIS; GD: Genetic Dung Count; GS: Ground Sample Count; GT: Ground Total Count; IG: Informed Guess; IR: Individual Registration; OG: Other Guess. Survey Type is followed by an indicator of survey quality, ranked from 1 to 3 (best to worst). Survey Reliability is keyed A-E (best to worst) as outlined in this table.

3PFS: Priority for Future Surveys, ranked from 1 to 5 (highest to lowest). Based on the precision of estimates and the proportion of national range accounted for by the site in question, PFS is a measure of the importance and urgency for future population surveys. All areas of unassessed range have a priority of 1. See Introduction for details on how the PFS is derived.

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