Elephant Database
African Elephant Specialist Group

Dung Count (Line Transects) Stratum/Block

Congo
Phenotype: Forest (based on genetic evidence gathered on-site)
Data contributed by reuben@refleqt.co.za, last updated 13/07/2022
Report restricted by data provider
11415 km²
No strata
Show aggregates
1311
Djoua-Ivindo
11415km²

Djoua-Ivindo

Internal name:
Stratum/block area (km²): 11415
Population estimate: 1311
Variance: 133262.2475
Standard error: 365.0510204
Value of t used to calculate 95% confidence interval:
Degrees of freedom:
95% confidence interval: 715.5
95% lower confidence limit: 778
95% upper confidence limit: 2209
Check if no estimate of precision available: false
Asymmetric lower confidence interval: 778
Asymmetric upper confidence interval: 2209
Number of transects covered: 75
Total length of transects covered (in km): 148.3
Effective strip width:
Number of observations (encounters): 270
How were distances to observations estimated?:
Number of elephants seen:
Number of dungpile on which the decay estimate is based: 0
Was dung decay rate measured on site, and if so, how?: Decay rate NOT measured on site
Dung decay estimate used (days): 96.1
Site where decay rate was measured: Lobeki National Park
Date (year) in which decay rate was measured: 2014
Dung decay rate - bibliographical reference: Nzooh Dongmo et al. 2015
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
Was defecation rate measured on-site?: false
Estimate of defecation rate used (days): 18.07
Site where the defecation rate was measured:
Defecation rate - bibliographical reference: Hedges et al. 2012
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: 324
Variance:
Standard error:
Value of t:
Degrees of freedom:
95% Confidence interval:
95% lower confidence limit: 234.8
95% upper confidence limit: 447.31
Asymmetric upper confidence interval:
Asymmetric lower confidence interval:
Check if no estimate of precision available: false
Dung encounter rate: 1.821
IUCNSpecies Survival Commission

All materials on this site are Copyright (C) 1995-2024 IUCN - The International Union for the Conservation of Nature. Use is permitted only under the Creative Commons Attribution-NonCommercial-ShareAlike license (https://creativecommons.org/licenses/by-nc-sa/4.0).