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 peter.mwangi@iucn.org, last updated 15/07/2022
Report restricted by data provider
13525 km²
Recorded at stratum level
Show aggregates

Northern sector, Odzala Kokoua National Park

Internal name:
Stratum/block area (km²): 7323
Population estimate: 3395
Variance:
Standard error:
Value of t used to calculate 95% confidence interval:
Degrees of freedom:
95% confidence interval: 1092.0
95% lower confidence limit: 2303
95% upper confidence limit: 4487
Check if no estimate of precision available: false
Asymmetric lower confidence interval: 2474
Asymmetric upper confidence interval: 4658
Number of transects covered: 41
Total length of transects covered (in km): 102.0
Effective strip width:
Number of observations (encounters): 701
How were distances to observations estimated?: By eye
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: Central Africa Forest
Date (year) in which decay rate was measured: 2004
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: true
Was defecation rate measured on-site?: false
Estimate of defecation rate used (days): 19.0
Site where the defecation rate was measured: Central Africa Forest
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: true
Estimate of dung density: 793
Variance:
Standard error:
Value of t:
Degrees of freedom:
95% Confidence interval: 255.0
95% lower confidence limit: 538.0
95% upper confidence limit: 1048.0
Asymmetric upper confidence interval: 1088
Asymmetric lower confidence interval: 578
Check if no estimate of precision available: false
Dung encounter rate: 6.0
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).