Monitoring the vegetation structure of south-central Etosha National Park using terrestrial photographs

Koedoe

Volumn 46, Issue 1, 2003, Pages 17-27

  Hipondoka, M H T ^a   Versfeld, W D ^a  

^a Etosha Ecological Institute   (Namibia)

Author keywords

Etosha; Photographs; Savanna; Vegetation

Indexed keywords

HABITAT MANAGEMENT; PHOTOGRAPHY; SAVANNA; VEGETATION DYNAMICS; VEGETATION STRUCTURE;

ETOSHA NATIONAL PARK; NAMIBIA;

EID: 0041738032     PISSN: 00756458     EISSN: 20710771     Source Type: Journal    
DOI: 10.4102/koedoe.v46i1.41     Document Type: Article

References (24)

1. CAMPBELL, J. B. 1996. Introduction to remote sensing. New York: Guilford Press.
2. DRAMSTAD, W.E., W.J. FJELLSTAD, G.H. STRAND, H.F. MATHIESEN, G. ENGAN & J.N. STOKLAND. 2002. Development and implementation of the Norwegian monitoring programme for agricultural landscapes. Journal of Environmental Management 64: 49-63.
3. DU PLESSIS, W.P. 1997. Refinements to the burning strategy in the Etosha National Park, Namibia. Koedoe 40: 63-76.
4. DU PLESSIS, W.P. 1999. Linear regression relationships between NDVI, vegetation and rainfall in Etosha National Park, Namibia. Journal of Arid Environment 42: 235-260.
5. ETOSHA ECOLOGICAL INSTITUTE. 1984. Motivation for photo point and rain gauge layout system in Etosha National Park. Okaukuejo. Unpublished internal report (N 18/2/1/30).
6. ENGERT, S. 1997. Spatial variability and temporal periodicity of rainfall in the Etosha National Park and surrounding areas in northern Namibia. Madoqua 20 (1): 115-120.
7. ESTES, J.E. 2001. Elements, aids, techniques and methods of photographic/image interpretation. [Online]. In: ESTES, J.E., K.C MCGWIRE & K.D. KLINE (eds.). Air Photo Interpretation and Photogrammetry. Volume 1. Available: http://umbc7.umbc.edu/~tbenjal/santabar/vol1/lec2/2lecture.html [accessed 2 July 2002].
8. Fahsi, A. 2001. Geometry of Aerial Photography. [Online]. In: ESTES, J.E., K.C MCGWIRE & K.D. KLINE (eds.). Air Photo Interpretation and Photogrammetry. Volume 1. Available: http://umbc7.umbc.edu/~tbenjal/santabar/vol1/lec6/6lecture.html [accessed 2 July 2002].
9. GRAETZ, R.D. & R.P. PECH. 1987. Detecting and monitoring impacts of ecological importance in remote arid lands: a case study in southern Simpson Desert of South Australia. Journal of Arid Environments 12: 269-284.
10. HUDAK, A.T. & C.A. WESSMAN. 1998. Textural analysis of historical aerial photography to characterize woody plant encroachment in South African savanna. Remote Sensing of Environment 66: 317-330.
11. JOUBERT, S.C.J. 1983. A monitoring program for an extensive National Park. Pp. 201-213. In: OWEN-SMITH, R.N. (ed.). Management of large mammals in African conservation areas. Pretoria: Haum.
12. KEMPF, J. & D. BUSCHE. 2002. Modelling environmental history in central Namibia since the Late Tertiary. Zeitschrift für Geo- und Umweltwissenschaften 146: 8-15.
13. LAMPREY, H.F. 1979: Structure and functioning of the semi-arid grazing land ecosystem of the Serengeti region (Tanzania). Pp 562-601. In: UNESCO/UNEP/FAO (eds.). Tropical grazing land ecosystems. Paris: UNESCO
14. LATHROP, R. 1999. Acquisition of aerial photographs [online]. Available: HYPERLINK "http://crssa.rutgers.edu/courses/ airphoto/airphoto8/sldOO7.htm" (accessed 13 January 2003)
15. LILLESAND, T.M & R.W. KIEFER. 1994. Remote sensing and image interpretation. New York: John Wiley.
16. LINDAQUE, M. & T.J. ARCHIBALD. 1991. Seasonal wetlands in Owambo and Etosha National Park. Madoqua 17 (2): 129-133.
17. MILTON, S.J., W.R.J. DEAN & R.P. ELLIS. 1998. Rangeland health assessment: a practical guide for ranches in arid Karoo shrublands. Journal of Arid Environment 39: 253-265
18. MOLEELE, N.M, S. RINGROSE, W. MATHESON & C. VANDERPOST. 2001. More woody plants? The status of bush encroachment in Botswana's grazing areas. Journal of Arid Environment 64: 3-11.
19. ROGAN, J., J. FRANKLIN & D.A. ROBERTS. 2002. A comparison of methods for monitoring multitemporal vegetation change using Thematic Mapper imagery. Remote Sensing of Environment 80:143-156.
20. SANNIER, C.A.D, J.C. TAYLOR, W.P. DU PLESSIS & K. CAMPBELL. 1995. Application of Remote Sensing and GIS for monitoring vegetation in Etosha National Park. Paper presented at: Remote sensing and GIS for Natural Resource Management RSS Workshop, 19 December 1995, Chatham, UK.
21. SANNIER, C.A.D, J.C. TAYLOR & W. DU PLESSIS. 2002. Real-time monitoring of vegetation biomass with N0AAA-AVHRR in Etosha National Park, Namibia, for fire risk assessment. International Journal of Remote Sensing 23(1): 71-89.
22. SCHOLES, R.J. & B.H. WALKER. 1993. An African savanna: synthesis of the Nylsvley study. Cambridge: Cambridge University Press.
23. TRODD, N.M. & A.J. DOUGILL. 1998. Monitoring vegetation dynamics in semi-arid African rangelands. Applied Geography 18 (4): 315-330.
24. WALKER, B.H & I. NOY-MEIR. 1982. Aspects of the stability and resilience of savanna ecosystems. Pp. 577-590. In: HUNTLEY, B.J, & B.H. WALKER, (eds.). Ecology of Tropical Savannas. Berlin: Springer-Verlag.