Elephant Database
African Elephant Specialist Group

Dung Count (Line Transects) Stratum/Block

Gabon
Phenotype: Forest (based on geographical location)
Data contributed by tara.daniel@iucn.org, last updated 23/10/2022
Creative Commons License
2337 km²
No strata
Show aggregates
900
corrected as DC
Kivoro
2337km²

Kivoro

Internal name: corrected as DC
Stratum/block area (km²): 2337
Population estimate: 900
Variance:
Standard error:
Value of t used to calculate 95% confidence interval:
Degrees of freedom:
95% confidence interval: 693.0
95% lower confidence limit:
95% upper confidence limit:
Check if no estimate of precision available: false
Asymmetric lower confidence interval: 213
Asymmetric upper confidence interval: 1617
Number of transects covered: 169
Total length of transects covered (in km): 169.0
Effective strip width:
Number of observations (encounters): 617
How were distances to observations estimated?: Using instruments
Number of elephants seen:
Number of dungpile on which the decay estimate is based: 57
Was dung decay rate measured on site, and if so, how?: Decay rate NOT measured on site
Dung decay estimate used (days): 158.0
Site where decay rate was measured: Conkouati-Douli NP, Congo
Date (year) in which decay rate was measured: 2005
Dung decay rate - bibliographical reference: Vanleeuwe, H. & Probert, J. (2014) Decay Rate of Elephant Dung in Conkouati-Douli National Park, Republic of Congo. Pachyderm, 55, 89-91.
Variance:
Standard error: 3.55
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): 16.0
Site where the defecation rate was measured: Conkouati-Douli National Park, Republic Of Congo.
Defecation rate - bibliographical reference: Vanleeuwe, H. (2014) Ecological Surveys 2005, 2008, 2010 and 2013: Ecological Surveys At Conkouati-Douli National Park, Republic Of Congo. Unpublished Report. Wildlife Conservation Society Congo, Brazzaville, Congo.
Variance:
Standard error: 1.09
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: 974
Variance:
Standard error:
Value of t:
Degrees of freedom:
95% Confidence interval:
95% lower confidence limit: 250.0
95% upper confidence limit: 1750.0
Asymmetric upper confidence interval:
Asymmetric lower confidence interval:
Check if no estimate of precision available: true
Dung encounter rate: 3.45
IUCNSpecies Survival Commission

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