Nigeria, 1995

All Years for Nigeria: 2016 — 2013 — 2007 — 2002 — 1998 — 1995

1995 Summary Totals for Nigeria

Data Category	Possible	Speculative
Informed Guesses, Undocumented Aerial or Dung Surveys and GIS Extrapolations	1,065	210
Other Guesses and Other Extrapolations	0	340
Total	1,065	550

No changes between current and previous report.

Nigeria : Elephant Estimates

	Survey Details²			Number of Elephants				Area	Map Location
Input Zone	Type	Reliab.	Year	Estimate	95% C.L.	Source	PFS³	(km²)	Lon.	Lat.
Andoni Island	IG3	D	1993	30	20*	Thouless, 1993	3	118	7.5E	4.5N
Kamuka Game Reserve and Kwiambana Game Reserve	IG3	D	1993	80	40*	Hurst, Quest. Reply, 1994; Anstey & Dunn, Quest. Reply	2	3,730	6.6E	11.1N
Lake Chad ns	OG3	E		300		NRCC, 1991	2	3,508
Okomu Game Reserve	OG3	E		40		NCF, 1991	3	245	5.1E	6.5N
Omo Biosphere Reserve	DC3	D	1993	30		Coad, 1993	2	871	3.4E	7.1N
Sambisa Game Reserve	IG3	D	1993	300	100*	Hurst, Quest. Reply, 1994; Anstey & Dunn, Quest. Reply	2	518	13.6E	11.4N
Taylor Creek	IG3	D		25		Powell, pers. comm., in Thouless, 1993	3	144	6.4E	5.2N
Yankari National Park	IG3	D	1993	600	50*	Hurst, Quest. Reply, 1994	2	2,244	10.5E	9.8N

* 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.