Elephant Database
African Elephant Specialist Group

Dung Count (Line Transects) Stratum/Block

Congo
Phenotype: Forest (based on genetic evidence gathered on-site)
Data contributed by reuben@refleqt.co.za, last updated 23/10/2022
Report restricted by data provider
27242 km²
Both wet and dry seasons
Recorded at stratum level
Show aggregates
827
Bailly North
4210km²

Bailly South and Lac Tele South

Internal name:
Stratum/block area (km²): 3299
Population estimate: 296
Variance:
Standard error:
Value of t used to calculate 95% confidence interval:
Degrees of freedom:
95% confidence interval: 428.0
95% lower confidence limit: 92
95% upper confidence limit: 948
Check if no estimate of precision available: false
Asymmetric lower confidence interval: 92
Asymmetric upper confidence interval: 948
Number of transects covered: 29
Total length of transects covered (in km): 71.0
Effective strip width:
Number of observations (encounters): 38
How were distances to observations estimated?:
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): 51.3
Site where decay rate was measured: Mbeli, in the Ndoki-Likouala landscape
Date (year) in which decay rate was measured: 2006
Dung decay rate - bibliographical reference: (Breuer & Hockemba, 2007)
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: Santchou Reserve, Cameroon
Defecation rate - bibliographical reference: (Tchamba 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: 91
Variance:
Standard error:
Value of t:
Degrees of freedom:
95% Confidence interval:
95% lower confidence limit: 28.0
95% upper confidence limit: 290.0
Asymmetric upper confidence interval:
Asymmetric lower confidence interval:
Check if no estimate of precision available: false
Dung encounter rate: 0.0
IUCNSpecies Survival Commission

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