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 peter.mwangi@iucn.org, last updated 15/07/2022
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667 km²
Both wet and dry seasons
No strata
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Banyang-Mbo Wildlife Sanctuary

Internal name:
Stratum/block area (km²): 667
Population estimate: 153
Variance:
Standard error:
Value of t used to calculate 95% confidence interval:
Degrees of freedom:
95% confidence interval: 52.0
95% lower confidence limit: 101
95% upper confidence limit: 205
Check if no estimate of precision available: false
Asymmetric lower confidence interval:
Asymmetric upper confidence interval:
Number of transects covered: 20
Total length of transects covered (in km): 36.0
Effective strip width:
Number of observations (encounters): 62
How were distances to observations estimated?: Using instruments
Number of elephants seen: 1
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): 120.0
Site where decay rate was measured: Banyang-Mbo Wildlife Santuary
Date (year) in which decay rate was measured: 2001
Dung decay rate - bibliographical reference: Nchanji & Plumptre 2001
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: true
Was defecation rate measured on-site?: false
Estimate of defecation rate used (days): 15.0
Site where the defecation rate was measured: Banyang-Mbo Wildlife Santuary
Defecation rate - bibliographical reference: Nchanji & Plumptre 2001
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: true
Estimate of dung density: 0
Variance:
Standard error:
Value of t:
Degrees of freedom:
95% Confidence interval: 0.18
95% lower confidence limit: 0.05
95% upper confidence limit: 0.41
Asymmetric upper confidence interval: 0
Asymmetric lower confidence interval: 0
Check if no estimate of precision available: false
Dung encounter rate:
IUCNSpecies Survival Commission

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