Elephant Database
African Elephant Specialist Group

Malawi, 2007

All Years for Malawi: 201620132007200219981995

2007 Summary Totals for Malawi

Data Category Definite Probable Possible Speculative
Direct Sample Counts and Reliable Dung Counts743233230
Informed Guesses111030920
Other Guesses0001,567
Totals 20061853236321,587

Interpretation of Changes in Estimates from Previous Report

Cause of Change Definite Probable Possible Speculative
Repeat Survey-18-308-940
New Population+75000
New Guess-4390+165+530
Data Degraded-80-938-1,087+1,037

Area of Range Covered by Each Data Category (km²)

Data CategoryKnown RangePossible RangeTotal Range
Direct Sample Counts and Reliable Dung Counts2,90802,908
Informed Guesses1,51101,511
Other Guesses2,31602,316
Unassessed Range0804804

Malawi : Elephant Estimates

Cause ofSurvey Details2 Number of Elephants Area Map Location
Input ZoneChange1TypeReliab.YearEstimate95% C.L. SourcePFS3 (km²) Lon. Lat.
Kasungu National ParkRSAS1B200558 218Ferreira et al., 200512,463 33.1E 12.9S
Liwonde National ParkNGOG3E2006530African Parks Foundation, 2006b2538 35.3E 14.9S
Majete Wildlife ReserveNPIG3D200670African Parks Foundation, 2006b3140 34.7E 16.0S
Nkhota-Kota Wildlife ReserveDDAS2E19951,037 1,511JICA & Government of Malawi, 199711,802 34.0E 12.9S
Nyika National Park-AS1B1997339 239Gibson, 199713,134 33.8E 10.6S
Phirilongwe Forest Reserve-IG3D199850S.M. Munthali, pers. comm., 19982640 35.0E 14.6S
Thuma Forest Reserve-IG3D199830 20*S.M. Munthali, pers. comm., 19982370 34.2E 13.9S
Vwaza Marsh Wildlife ReserveNGIG3D2005270Ferreira et al., 20051976 33.4E 11.0S

* 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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