Elephant Database
African Elephant Specialist Group

Dung Count (Line Transects) Stratum/Block

Guinea
Phenotype: Forest (based on genetic evidence gathered on-site)
Data contributed by peter.mwangi@iucn.org, last updated 09/03/2022
2011
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1171 km²
No strata
Show aggregates
64
Forest of Ziama
1171km²

Forest of Ziama

Internal name:
Stratum/block area (km²): 1171
Population estimate: 64
Variance:
Standard error:
Value of t used to calculate 95% confidence interval:
Degrees of freedom:
95% confidence interval: 37.0
95% lower confidence limit: 27
95% upper confidence limit: 101
Check if no estimate of precision available: false
Asymmetric lower confidence interval: 37
Asymmetric upper confidence interval: 110
Number of transects covered: 65
Total length of transects covered (in km): 156.0
Effective strip width:
Number of observations (encounters): 112
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): 57.0
Site where decay rate was measured: Mbeli, Ndoki-Likouala landscape
Date (year) in which decay rate was measured: 2004
Dung decay rate - bibliographical reference: MIKE, 2004
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): 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: true
Estimate of dung density: 0
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: 0.0
IUCNSpecies Survival Commission

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