Elephant Database
African Elephant Specialist Group

Dung Count (Line Transects) Stratum/Block

Democratic Republic of Congo
Phenotype: Forest (based on genetic evidence gathered on-site)
Data contributed by aed@solertium.com, last updated 15/07/2022
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22100 km²
No strata
Show aggregates
1186
Salonga
25141km²

Salonga

Internal name:
Stratum/block area (km²): 25141
Population estimate: 1186
Variance: 124609.0
Standard error: 353.0
Value of t used to calculate 95% confidence interval:
Degrees of freedom:
95% confidence interval: 691.880004882812
95% lower confidence limit:
95% upper confidence limit:
Check if no estimate of precision available: false
Asymmetric lower confidence interval:
Asymmetric upper confidence interval:
Number of transects covered: 130
Total length of transects covered (in km): 130.0
Effective strip width: 1.572
Number of observations (encounters): 36
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: Central African MIKE standards from 2005
Date (year) in which decay rate was measured:
Dung decay rate - bibliographical reference: Blake 2005
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: Central African MIKE standards from 2005
Defecation rate - bibliographical reference: Blake 2005
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: 91
Variance:
Standard error:
Value of t:
Degrees of freedom:
95% Confidence interval:
95% lower confidence limit: 51.4
95% upper confidence limit: 163.3
Asymmetric upper confidence interval:
Asymmetric lower confidence interval:
Check if no estimate of precision available: false
Dung encounter rate: 0.3
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