Gabon

Phenotype: Forest (based on geographical location)

Data contributed by tara.daniel@iucn.org, last updated 23/10/2022

2008

No strata

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 Unpublished Report.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