Original Research

Monitoring of sex and age ratios in ungulate populations of the Kruger National Park by ground survey

D.R. Mason
Koedoe | Vol 33, No 1 | a449 | DOI: https://doi.org/10.4102/koedoe.v33i1.449 | © 1990 D.R. Mason | This work is licensed under CC Attribution 4.0
Submitted: 20 October 1990 | Published: 20 October 1990

About the author(s)

D.R. Mason, Kruger National Park, South Africa

Full Text:

PDF (4MB)

Abstract

Objectives, techniques and problems of monitoring ungulate population structure and trends using standardised ground surveys as an adjunct to aerial counts are described and discussed in the light of experience gained over the past seven years. Because of ambiguities inherent in the interpretation of juvenile survival rates from data on age class distributions and until the accuracy and repeatability of the aerial counts in Kruger National Park have been assessed, a complementary approach to population monitoring using ground and aerial surveys is advocated.

Keywords

ungulate population monitoring, Kruger National Park, sex and age classifications.

Metrics

Total abstract views: 5893
Total article views: 5128

 

Crossref Citations

1. Rainfall and the decline of a rare antelope, the tsessebe (Damaliscus lunatus lunatus), in Kruger National Park, South Africa
Kevin M. Dunham, E.F. Robertson, C.C. Grant
Biological Conservation  vol: 117  issue: 1  first page: 83  year: 2004  
doi: 10.1016/S0006-3207(03)00267-2

2. Line-transect data may not produce reliable estimates of interannual sex-ratio and age structure variation in West African savannah ungulates
Emmanuel M. Hema, Yaya Ouattara, Maomarco Abdoul Ismael Tou, Giovanni Amori, Mamadou Karama, Luca Luiselli
Tropical Zoology  vol: 33  issue: 1  year: 2020  
doi: 10.4081/tz.2020.67

3. Population decline of tsessebe antelope (Damaliscus lunatus lunatus) on a mixed cattle and wildlife ranch in Zimbabwe
Kevin M. Dunham, E.F. Robertson, Clive M. Swanepoel
Biological Conservation  vol: 113  issue: 1  first page: 111  year: 2003  
doi: 10.1016/S0006-3207(02)00354-3

4. Establishing the causes of the roan antelope decline in the Kruger National Park, South Africa
Rhidian Harrington, Norman Owen-Smith, Petri C. Viljoen, Harry C. Biggs, Darryl R. Mason, Paul Funston
Biological Conservation  vol: 90  issue: 1  first page: 69  year: 1999  
doi: 10.1016/S0006-3207(98)00120-7

5. An experimental demonstration that predation influences antelope sex ratios and resource-associated mortality
Christopher A.J. O’Kane, David W. Macdonald
Basic and Applied Ecology  vol: 17  issue: 4  first page: 370  year: 2016  
doi: 10.1016/j.baae.2015.11.001

6. Comparative changes in adult vs. juvenile survival affecting population trends of African ungulates
NORMAN OWEN‐SMITH, DARRYL R. MASON
Journal of Animal Ecology  vol: 74  issue: 4  first page: 762  year: 2005  
doi: 10.1111/j.1365-2656.2005.00973.x

7. Predator–prey size relationships in an African large‐mammal food web
Norman Owen‐Smith, M. G. L. Mills
Journal of Animal Ecology  vol: 77  issue: 1  first page: 173  year: 2008  
doi: 10.1111/j.1365-2656.2007.01314.x

8. DEMOGRAPHIC DETERMINATION OF THE SHAPE OF DENSITY DEPENDENCE FOR THREE AFRICAN UNGULATE POPULATIONS
Norman Owen-Smith
Ecological Monographs  vol: 76  issue: 1  first page: 93  year: 2006  
doi: 10.1890/05-0765

9. Correlates of survival rates for 10 African ungulate populations: density, rainfall and predation
NORMAN OWEN‐SMITH, DARRYL R. MASON, JOSEPH O. OGUTU
Journal of Animal Ecology  vol: 74  issue: 4  first page: 774  year: 2005  
doi: 10.1111/j.1365-2656.2005.00974.x

10. Mammal road‐type associations in Kruger National Park, South Africa: Common mammals do not avoid tar roads more than dirt roads
Misha Malherbe, Trevor McIntyre, Tarryn V. Hattingh, Paige M. Leresche, Natalie S. Haussmann
Ecology and Evolution  vol: 11  issue: 22  first page: 15622  year: 2021  
doi: 10.1002/ece3.8190