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
16189 km²
Wetseason
Recorded at stratum level
Show aggregates
837
Ngombe Southwest
1624km²

Ngombe Sangha East

Internal name:
Stratum/block area (km²): 2147
Population estimate: 80
Variance: 2179.365369
Standard error: 46.68367347
Value of t used to calculate 95% confidence interval:
Degrees of freedom:
95% confidence interval: 91.5
95% lower confidence limit: 0
95% upper confidence limit: 172
Check if no estimate of precision available: false
Asymmetric lower confidence interval: 30
Asymmetric upper confidence interval: 213
Number of transects covered: 32
Total length of transects covered (in km): 77.0
Effective strip width:
Number of observations (encounters): 25
How were distances to observations estimated?:
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:
Date (year) in which decay rate was measured:
Dung decay rate - bibliographical reference: MIKE 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: false
Was defecation rate measured on-site?: false
Estimate of defecation rate used (days): 19.0
Site where the defecation rate was measured:
Defecation rate - bibliographical reference: MIKE 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: false
Estimate of dung density: 64
Variance:
Standard error:
Value of t:
Degrees of freedom:
95% Confidence interval:
95% lower confidence limit: 24.0
95% upper confidence limit: 170.0
Asymmetric upper confidence interval:
Asymmetric lower confidence interval:
Check if no estimate of precision available: false
Dung encounter rate: 0.0
IUCNSpecies Survival Commission

All materials on this site are Copyright (C) 1995-2023 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).