Elephant Database
African Elephant Specialist Group

Dung Count (Line Transects) Stratum/Block

Cameroon
Phenotype: Forest (based on genetic evidence gathered on-site)
Data contributed by reuben@refleqt.co.za, last updated 15/07/2022
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5260 km²
Wetseason
No strata
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Dja Faunal Reserve

Internal name:
Stratum/block area (km²): 5260
Population estimate: 420
Variance:
Standard error: 62.902
Value of t used to calculate 95% confidence interval:
Degrees of freedom:
95% confidence interval: 125.0
95% lower confidence limit: 313
95% upper confidence limit: 563
Check if no estimate of precision available: false
Asymmetric lower confidence interval: 313
Asymmetric upper confidence interval: 563
Number of transects covered: 205
Total length of transects covered (in km): 495.0
Effective strip width: 1.6783
Number of observations (encounters): 906
How were distances to observations estimated?: Using instruments
Number of elephants seen:
Number of dungpile on which the decay estimate is based:
Was dung decay rate measured on site, and if so, how?: Decay rate NOT measured on site
Dung decay estimate used (days): 90.0
Site where decay rate was measured: Reserve de Santchou, Cameroun
Date (year) in which decay rate was measured:
Dung decay rate - bibliographical reference: Tchamba Martin, 1992
Variance:
Standard error:
Value of t:
Degrees of freedom:
95% Confidence interval:
95% lower confidence limit:
95% upper confidence limit:
Check if no estimate of precision available: false
Was defecation rate measured on-site?: false
Estimate of defecation rate used (days): 19.0
Site where the defecation rate was measured: Reserve de Santchou, Cameroun
Defecation rate - bibliographical reference: Tchamba Martin, 1992
Variance:
Standard error:
Value of t:
Degrees of freedom:
95% Confidence interval:
95% lower confidence limit:
95% upper confidence limit:
Check if no estimate of precision available: false
Estimate of dung density: 200
Variance:
Standard error:
Value of t:
Degrees of freedom:
95% Confidence interval:
95% lower confidence limit:
95% upper confidence limit:
Asymmetric upper confidence interval:
Asymmetric lower confidence interval:
Check if no estimate of precision available: true
Dung encounter rate: 0.48
IUCNSpecies Survival Commission

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