Estimating vegetative productivity gradients around watering points in the rangelands of Northern Senegal based on NOAA AVHRR data

Geografisk Tidsskrift

Volumn 103, Issue 1, 2003, Pages 1-15

  Lind, Morten ^a   Rasmussen, Kjeld ^a   Adriansen, Hanne ^a   Ka, Alioune ^b  

^a UNIVERSITY OF COPENHAGEN   (Denmark)

^b Centre de Suivi Ecologique Rue Aimé Césaire x Leon Gontran Damas   (Senegal)

Author keywords

Grazing gradients; Land degradation; NOAA AVHRR NDVI; Remote sensing; Senegal

Indexed keywords

AVHRR; GRAZING; LAND DEGRADATION; NOAA SATELLITE; PRODUCTIVITY; RANGELAND; REMOTE SENSING; VEGETATION DYNAMICS; WATERING POINT;

SENEGAL;

EID: 0043281501     PISSN: 00167223     EISSN: None     Source Type: Journal    
DOI: 10.1080/00167223.2003.10649475     Document Type: Article

References (42)

1. Adriansen, H. K. (2002): A Fulani without cattle is like a woman without jewellery: a study of pastoralists in Ferlo, Senegal. Copenhagen, Geographica Hafniensia A11.
2. Alissoutin, R. L. (1997): Pond Management in the Podor Department, Senegal. International Institute for Environment and Development (IIED), Drylands Programme, Issue Paper No 72.
3. Andrew, M. H. (1988): Grazing Impact in Relation to Livestock Watering points. Trends Ecology and Evolution 3(12): 336-339.
4. Andrew, M. H. & Lange, R. T. (1986a): Development of a New Piosphere in Arid Chenopod Shrubland Grazed by Sheep: 1. Changes to the Soil Surface. Australian Journal of Ecology 11: 395-409.
5. Andrew, M. H. & Lange, R. T. (1986b): Development of a New Piosphere in Arid Chenopod Shrubland Grazed by Sheep: 2. Changes to the Vegetation. Australian Journal of Ecology 11: 411-424.
6. Ba, C. (1986): Les Peuls du Sénégal, étude geographique. Dakar, Les Nouvelles Editions Africaines.
7. Barrell, H. (1982): Le Ferlo des forages: Gestion ancienne et actuelle de l'espace pastoral. Dakar, ORSTOM.
8. Bastin, G. N., Pickup, G. & Pearce, G. (1995): Utility of AVHRR data for land degradation assessment: a case study. International Journal of Remote Sensing 16(4): 651-672.
9. Bastin, G. N., Pickup, G., Chewings, V. H. & Pearce, G. (1993a): Land Degradation Assessment in Central Australia Using a Grazing Gradient Method. Rangeland Journal 15(2): 190-216.
10. Bastin, G. N., Sparrow, A. D. & Pearce, G. (1993b): Grazing Gradients in Central Australian Rangelands: Ground Verification of Remote Sensing-Based Approaches. Rangeland Journal 15(2): 217-233.
11. Bastin, G. N., Tynan, R. W. & Chewings, V. H. (1998): Implementing satellite-based grazing gradient methods for rangeland assessment in South Australia. The Rangeland Journal 20(1): 61-76.
12. Bégué, A., Desprat, J. F., Imbernon, J. & Baret, F. (1991): Radiation use efficiency of pearl millet in the Sahelian zone. Agricultural and Forest Meteorology 56: 93-110.
13. Behnke, R. H., Scoones, I. & Kerven, C. (1993): Range Ecology at Disequilibrium - New Models of Natural Variability and Pastoral Adaptation in African Savannas. London, Overseas Development Institute & International Institute for Environment and Development (IIED).
14. Chewings, V. H. Bastin G. N. & Pickup, G. (1992): Remote Sensing Models for Determining Grazing Impact in Arid Rangelands. Pp. 169-179 in: Proceedings of the 6th Australasian Remote Sensing Conference. Wellington (New Zealand).
15. Cihlar, J., Manak, D. & D'Iori, M. (1994): Evaluation of Compositing Algorithms for AVHRR Data Over Land. IEEE Transactions on Geoscience and Remote Sensing 32(2): 427-437.
16. Fatchen, T. J. & Lange, R. T. (1979): Piosphere Pattern and Dynamics in a Chenopod Pasture Grazed by Cattle. Pp. 160-169 in: Graetz, R.D. & Howes, K. M. W. (ed.): Studies of the Australian Arid Zone IV. Chenopod Shrublands. Melbourne, CSIRO Division of Land Resources Management.
17. Freudenberger, M. S. & Freudenberger, K. S. (1993): Pastoralism in Peril: Pressures on Grazing land in Senegal. IIED Drylands Programme, Pastoral Land Tenure Series 4.
18. Graetz, R. D. & Ludwig, J. A. (1978): A Method for the Analysis of piosphere Data Applicable to Range Assessment. Australian Rangeland Journal 2: 126-136.
19. Hanan, N. P., Prevost, Y., Diouf, A. & Diallo, O. (1991): Assessment of Desertification Around Deep Wells in the Sahel using Satellite Imagery. Journal of Applied Ecology 28: 173-186.
20. Hiernaux, P. (2000): Implications of the 'New Rangeland Paradigm' for natural resource management. Pp. 113-142 in: Adriansen, H., Reenberg, A. & Nielsen, I. (ed.): The Sahel. SEREIN Occasional papers 11, Institute of Geography, University of Copenhagen.
21. Holben, B. N. (1986): Characteristics of maximum-value composite images from temporal AVHRR data. International Journal of Remote Sensing 7(11): 1417-1434.
22. Huete, A.R. (1988): A Soil-Adjusted Vegetation Index (SAVI): Remote Sensing of Environment 25: 295-309.
23. Hulme, M. (2001): Climatic perspectives on Sahelian desiccation: 1973-1998. Global Environmental Change 11: 19-29.
24. Juul, K. (1996): Post Drought Migration and Technological Innovations among Fulani Herders in Senegal: the Triumph of the Tube! IIED Drylands Programme, Issue Paper 64.
25. Kumar, M. & Montieth, J. L. (1981): Remote Sensing of crop growth. Pp. 133-144 in: Smith, M. (ed.): Plants and Daylight Spectrum. London, Academic Press.
26. Lange, R. T. (1969): The piosphere: Sheep Track and Dung Patterns. Journal of Range Management 22: 396-400.
27. Matheson, W. & Ringrose, S. (1994): 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(2): 181-199.
28. Pearson, J. T., Sparrow, A. D. & Lange, R. T. (1990): Prolonged Exposure to Sheep Grazing Reduces the Palatability of Australian Saltbush populations. Australian journal of Ecology 15: 337-344.
29. Pickup, G. (1994): Modelling Patterns of Defoliation by Grazing Animals in Rangelands. Journal of Applied Ecology 31: 231-246.
30. Pickup, G. & Chewings, V. H. (1988): Estimating the Distribution of Grazing and Patterns of Cattle Movement in a Large Arid Zone Paddock: An Approach using Animals Distribution models and Landsat Imagery. International Journal of Remote Sensing 9(9): 1469-1490.
31. Pickup, G. & Chewings, V. H. (1994): A Grazing Gradient Approach to Land Degradation Assessment in Arid Areas from Remotely-sensed Data. International Journal of Remote Sensing 15(4): 597-617.
32. Prince, S. D. & Goward, S. N. (1995): Global primary production: a remote sensing approach. Journal of biogeography 22: 815-835.
33. Prins, E. (1997): Natural Resources and Resource Utilization in Ferlo Faunal Reserves - a Baseline Mapping Report on Natural Resources and Resource Utilization. Pp. 37-45 in: Reenberg, A., Nielsen, I. & Secher-Marcussen, H. (ed.): The Sahel: Natural Resource Management Projects; Energy Provision; Decentralisation, Empowerment and Capacity Building. SEREIN Occasional Papers No 5, Institute of Geography, University of Copenhagen.
34. Rao, C. R. N. & Chen, J. (1995): Inter-satellite calibration linkages for the visible and near-infrared channels of the Advanced Very High Resolution Radiometer on the NOAA-7, -9 and -11 spacecraft. International Journal of Remote Sensing 16: 1931-1942.
35. Rao, C. R. N. & Chen, J. (1996): Post-Launch Calibration of the Visible and Near-infrared Channels of the Advanced Very High Resolution Radiometer on the NOAA-14 spacecraft. International Journal of Remote Sensing 14: 2743-2747.
36. Rasmussen, K. (1999): Land degradation in the Sahel-Sudan. The conceptual basis. Special Issue, Danish Journal of Geography (2): 151-159.
37. Rasmussen, M. S. (1998): Developing simple, operational, consistent NDVI - vegetation models by applying environmental and climatic information. Part I. Assessment of Net Primary Production. International Journal of Remote Sensing 19: 97-117.
38. Thomas, D. S. G. (1993): Sandstorm in a teacup: understanding desertification. Geographical Journal 159: 318-331.
39. Touré, O. (1990): Where herders don't herd anymore: -Experience from the Ferlo, northern Senegal. IIED Drylands Programme, Issue Paper No 22.
40. Turner, M. D. (1998a): Long-term effects of daily grazing orbits on nutrient availability in Sahelian West Africa: 1. Gradients in the chemical composition of rangeland soils and vegetation. Journal of Biogeography 25(4): 669-682.
41. Turner, M. D. (1998b): Long-term effects of daily grazing orbits on nutrient availability in Sahelian West Africa: Effects of a phosphorus gradient on spatial patterns of annual grassland production. Journal of Biogeography 25(4): 683-694.
42. Williams, M. A. J. & Balling, R. R. Jr. (1996): Interactions of Desertification and Climate. London, Edward Arnold.