Use of image processing and GIS techniques to determine the extent and possible causes of land management/fenceline induced degradation problems in the Okavango area, northern Botswana

International Journal of Remote Sensing

Volumn 18, Issue 11, 1997, Pages 2337-2364

  Ringrose, S ^a   Vanderpost, C ^a   Matheson, W ^b  

^a UNIVERSITY OF BOTSWANA   (Botswana)

^b Westwood International School   (Botswana)

Author keywords

[No Author keywords available]

Indexed keywords

GEOGRAPHIC INFORMATION SYSTEMS; IMAGE PROCESSING; LAND USE; MULTISPECTRAL SCANNERS; PARAMETER ESTIMATION; PATTERN RECOGNITION;

FENCELINE INDUCED DEGRADATION; LAND MANAGEMENT;

REMOTE SENSING;

CLASSIFICATION; DEGRADATION; DEVELOPING COUNTRY; FENCE LINE IMPACT; GIS; IMAGE ANALYSIS; IMAGE PROCESSING; LAND DEGRADATION; LAND MANAGEMENT; MAN-ENVIRONMENT RELATIONS; REMOTE SENSING; SATELLITE IMAGING; SUPERVISED CLASSIFICATION;

BOTSWANA, OKAVANGO;

EID: 0031177887     PISSN: 01431161     EISSN: 13665901     Source Type: Journal    
DOI: 10.1080/014311697217648     Document Type: Article

References (38)

1. Breininger, D. R., Provancha, M. J., and Smith, R., 1991, Mapping Florida scrub jay habitat for purposes of land use management. Photogrammetric Engineering and Remote Sensing, 57, 1467-1474.
2. Chavez, P., and MacKinnon, D. J., 1994, Automatic detection of vegetation changes in the Southwestern United States using remotely sensed images. Photogrammetric Engineering and Remote Sensing, 60, 567-585.
3. Crowe, D 1995, Status of selected wildlife resources in Botswana and recommendations for conservation actions. Proceedings of the Kalahari Conservation Society and Chobe Wildlife Trust Seminar/ Workshop, 7-8 November, Gaborone, Botswana, pp. 11-31.
4. Ellery, W. N., Ellery, K., Rodgers, K. H and McCarthy, T. S., 1995, The role of Cyperus papyrus in channel blockage and abandonment in the northeastern Okavango Delta, Botswana, A frican Journal of Ecology, 33, 25-49.
5. Erdas Inc. 1991, Erdas Field Guide, 3rd edn. (Atlanta, Georgia: Erdas Inc,).
6. Fiorella, M., and Ripple, W. J., 1993, Analysis of conifer forest regeneration using Landsat Thematic Mapper data. Photogrammetric Engineering and Remote Sensing, 59, 1383-1389.
7. Foody, G. M., 1996, Relating the land-cover composition of mixed pixels to artificial neural network classification output. Photogrammetric Engineering and Remote Sensing, 62, 491-499.
8. Franklin, J., 1995, Predictive vegetation mapping: geographic modelling of biospatial patterns in relation to environmental gradients. Progress in Physical Geography. 19, 474-499.
9. Ghitter, G. S., Hall, R. J., and Franklin, S. E., 1995. Variability in Landsat Thematic Mapper data in boreal deciduous and mixed-wood stands with a conifer understorey. Internationa I Journal of Remote Sensing, 16, 2989-3002.
10. Ghosh, T. K., 1993, Environmental impacts analysis of desertification through remote sensing and land based information system. Journal of Arid Environments, 25, 141-150.
11. Hastings, D. A., and Di, L., 1994, Modelling of global change phenomena with GIS using the global change data base. II: Prototype synthesis of the AVHRR-based Vegetation Index from terrestial data. Remote Sensing of Environment, 49, 13-24.
12. Hellden, U., 1991. Desertification-time for an assessment. Ambio, 20, 372-381.
13. Jensen, J. R., 1986, Introductory Image Processing (New Jersey: Prentice Hall).
14. Lee, C. T., and Marsh, S. E., 1995, The use of archival Landsat MSS and ancillary data in a GIS environment to map historical change in an urban riparian habitat. Photogrammetric Engineering and Remote Sensing, 49, 13-24.
15. MCCARTHY, T. S., and ELLERY, W. N 1993, The Okavango Delta. Geobulletin, 36, 5-8.
16. McCarthy, T. S., Franey, N. J., Ellery, W. N., and Ellery, K., 1993, The use of SPOT imagery in the study of environmental processes of the Okavango Delta. Botswana, South A frican Journal of Science, 89, 432-436.
17. Matheson, W., 1994, The use of Landsat MSS imagery to determine plant characteristics and community spectral separability from sub-tropical to arid zones in Northern Australia. Geocarto International, 2, 5-13.
18. Matheson, W., and Ringrose, S., 1994a. The development of image processing techniques to assess changes in green vegetation cover along a climatic gradient through Northern Territory, Australia. International Journal of Remote Sensing, 15, 17-47.
19. Matheson, W., and Ringrose, S., 1994b. Assessment of degradation features and their development into the post-drought period in the west-central Sahel using Landsat MSS. Journal of Arid Environments,26, 181-199.
20. Ministry of Local Government, Lands and Housing (MLGLH), 1989, Ecological zoning of Okavango Delta, Maun. Internal Report. Gaborone, Botswana, 221 pp.
21. O'Neill, A. L., Head, L. M., and Marthick, J. K., 1993, Integrating remote sensing and spatial analysis techniques to compare aboriginal and pastoral fire patterns in the East Kimberley, Australia. Applied Geography, 13, 67-85.
22. Otterman, J., 1974. Baring high albedo soils by overgrazing, a hypothesed desertification mechanism. Science, 186, 531-533.
23. Palgrave, K. C., 1981. Trees of Southern Africa (Cape Town: C. Struik Publishers).
24. Perkins, J. S., and Thomas, D. S. G 1993, Spreading deserts of spatially confined environmental impacts? Land degradation in the Kalahari desert of Botswana. Land Degradation and Rehabilitation Bulletin, 4, 179-194.
25. Prince, S. D., and Astle, W. L., 1986, Satellite remote sensing of rangelands in Botswana. 1. Landsat MSS and herbaceous vegetation. International Journal of Remote Sensing, 7, 1533-1571.
26. Ringrose, S., and Matheson, W., 1991, Initial characterisation of woody vegetation cover in the south-east Botswana Kalahari. Global Ecology and Biogeography Letters, 2, 18-22.
27. Ringrose, S., and Matheson, W., 1992, Visual analysis of Landsat MSS Imagery to determine the aerial extent of woody vegetation cover and indications of change over time in the west-central Sahel. Global Ecology and Biogeography Letters, 12.
28. Ringrose, S., Matheson, W., and Boyle, T., 1988, Photogrammetric Engineering and Remote Sensing, 5 Differentiation of ecological zones in the Okavango Delta, Botswana by classification and contextual analysis of Landsat MSS data.4, 601-608.
29. Ringrose, S., Matheson, W., Mogosti, B., and Tempest, F., 1989, Nature of the darkening effect in drought affected savanna woodland environments relative to soil reflectance in Landsat and Spot wavebands. Remote Sensing of Environment, 25, 519-524.
30. Ringrose, S., Matheson, W., O'Neill, T., and Werner, P. A., 1994, Vegetation spectral reflectance along a north-south vegetation gradient in northern Australia. The Journal of Biogeography, 21, 26.
31. Ringrose, S., Matheson, W., Tempest, F., and Boyle, T., 1990. The development and causes of range degradation features in south-east Botswana using Multi-temporal Landsat MSS Imagery. Photogrammetric Engineering and Remote Sensing, 56, 1253-1262.
32. Ringrose, S., Vanderpost, C., and Matheson, W., 1996. The use of remotely sensed and GIS data to determine causes of vegetation cover change in southern Botswana. Applied Geography, 15, 2-26.
33. Roodt, V., 1995, Field Guide to the Common Trees of the Okavango Delta and Moremi Game Reserve, (Johannesburg: Shell Company).
34. Rutherford, M. C., 1983, Growth rates, biomass and distribution of selected woody plant roots in Burkea africana-Ochna pulchra savanna. Vegetation. 52, 45-63.
35. Scholes, R., and Walker, B., 1993, An African Savanna, Synthesis of the Nylsvey Study, (Cambridge: Cambridge University Press).
36. Sefe, F., Ringrose, S., and Matheson, W., 1996, Desertification in north-central Botswana: causes, processes and impacts. Journal of Soil and Water Conservation. 51, 241-248.
37. Soil Mapping and Advisory Services Project. 1990, Soil map of the Republic of Botswana, FAO/BOT/85/Ol 1. Scale 1: 1 000000.
38. Vanderpost, C., 1995, Population change and environmental problems in the mid-Boteti region of Botswana. GeoJournal, 34, 521-529.