Elephant Database
African Elephant Specialist Group

Dung Count (Line Transects) Stratum/Block

South Sudan
Phenotype: Savanna (based on genetic evidence gathered on-site)
Data contributed by reuben@refleqt.co.za, last updated 23/10/2022
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400 km²
Dryseason
No strata
Show aggregates

Nimule National Park and Buffer Zone

Internal name:
Stratum/block area (km²): 400
Population estimate: 118
Variance:
Standard error:
Value of t used to calculate 95% confidence interval:
Degrees of freedom: 8
95% confidence interval:
95% lower confidence limit: 47
95% upper confidence limit: 297
Check if no estimate of precision available: false
Asymmetric lower confidence interval:
Asymmetric upper confidence interval:
Number of transects covered: 14
Total length of transects covered (in km): 63.0
Effective strip width: 8.84
Number of observations (encounters): 244
How were distances to observations estimated?: Using instruments
Number of elephants seen:
Number of dungpile on which the decay estimate is based: 11
Was dung decay rate measured on site, and if so, how?: Retrospectively
Dung decay estimate used (days): 137.0
Site where decay rate was measured: Nimule National Park and/or Buffer zone
Date (year) in which decay rate was measured: 2012
Dung decay rate - bibliographical reference:
Variance:
Standard error:
Value of t:
Degrees of freedom:
95% Confidence interval: 4.52
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): 25.0
Site where the defecation rate was measured: Maputo Elephant Reserve
Defecation rate - bibliographical reference: Olivier et al. 2009
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: 0
Variance:
Standard error:
Value of t:
Degrees of freedom:
95% Confidence interval: 0.05
95% lower confidence limit:
95% upper confidence limit:
Asymmetric upper confidence interval:
Asymmetric lower confidence interval:
Check if no estimate of precision available: false
Dung encounter rate:
IUCNSpecies Survival Commission

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