Evidence from rain-use efficiencies does not indicate extensive Sahelian desertification

Global Change Biology

Volumn 4, Issue 4, 1998, Pages 359-374

  Prince, S D ^a   Brown De Colstoun, E ^a   Kravitz, L L ^a  

^a UNIVERSITY OF MARYLAND   (United States)

Author keywords

AVHRR; Degradation; Desertification; NDVI; Net production; Rain use efficiency; Rainfall; Sahel

Indexed keywords

DESERTIFICATION; NET PRIMARY PRODUCTION; PRECIPITATION; RAIN USE EFFICIENCY;

AFRICA, SAHEL;

EID: 0031821988     PISSN: 13541013     EISSN: None     Source Type: Journal    
DOI: 10.1046/j.1365-2486.1998.00158.x     Document Type: Article

References (84)

1. Anyamba A, Eastman JR (1996) Interannual variability of NDVI over Africa and its relation to El Niño/Southern Oscillation. International Journal of Remote Sensing, 17, 2533-2548.
2. Barrow CJ (1991) Land degradation. Development and breakdown of terrestrial environments. Cambridge University Press, Cambridge, UK, 295pp.
3. Breman H, de Wit CT (1983) Rangeland productivity and exploitation in the Sahel. Science, 221, 1341-1347.
4. Carleton AM (1991) Satellite remote sensing in climatology. CRC Press, Boca Raton, FL, 291pp.
5. Charney JG, Stone PH, Quirk WJ (1975) Drought in the Sahara: A biogeophysical feedback mechanism. Science, 187, 434-435.
6. Davenport ML, Nicholson SE (1993) On the relationship between rainfall and the normalized difference vegetation index for diverse vegetation types in East Africa. International Journal of Remote Sensing, 14, 2369-2389.
7. Dregne HE (1983) Desertification of arid Lands. Hardwood Academic Publications, New York, 242pp.
8. Farrar TJ, Nicholson SE, Lare AR (1994) The influence of soil type on the relationships between NDVI, rainfall and soil moisture in semi-arid Botswana. Part II. Response to soil moisture. Remote Sensing of Environment, 50, 121-133.
9. Forse B (1989) The myth of the marching desert. New Scientist, 4, 31.
10. Gilmanov TG (1995) The state of rangeland resources in the newly independent states of the former USSR. In: Rangelands in a sustainable biosphere. Fifth International Rangeland Congress, pp. 10-13, Salt Lake City, Utah.
11. Goudie AS (1990) Desert degradation. In: Techniques for desert reclamation (ed. Goudie AS), pp. 1-33. John Wiley & Sons, Chichester, UK.
12. Goutorbe J-P, Lebel T, Dolman AJ, Gash JHC Kabat P, Kerr YH, Monteny B, Prince SD et al. (1997) An overview of HAPEX-Sahel: a study in climate and desertification. Journal of Hydrology, 188-189, 4-17.
13. Goward SN, Dye D (1996) Global biospheric monitoring with remote sensing. In: The use of remote sensing in modeling forest productivity (eds Gholtz HL, Nakane K, Shimoda H), pp. 241-272. Kluwer, Dordrecht.
14. Goward SN, Prince SD (1995) Transient effects of climate on vegetation dynamics: satellite observations. Jornal of Biogeography, 22, 549-563.
15. Grainger A (1982) Desertification: How People Make Deserts, How People Can Stop and Why They Don't. Earthscan Paperback, International Institute for Environment and Development, London, 94pp.
16. Grainger A (1990) The threatening desert: controlling desertification. Earthscan, London, 369pp.
17. Hare FK (1985) Climate variations, drought and desertification. Report no. 653. World Meteorological Organization, Geneva, 35pp.
18. Hayward DF, Oguntoyinbo JS (1987) The climatology of West Africa. Hutchinson, London, 271pp.
19. Helldén U (1991) Desertification - time for an assessment? Ambio, 20, 372-383.
20. Helldén U, Eklundh L (1988) National drought impact monitoring: A NOAA NDVI and precipitation data study of Ethiopia. Lund Studies in Geography no. 15. Lund University Press, Lund, Sweden, 55pp.
21. Henricksen BL, Durkin JW (1986) Growing period and drought early warning in Africa using satellite data. International Journal of Remote Sensing, 7, 1583-1608.
22. Hielkema JU, Prince SD, Astle WL (1986) Rainfall and vegetation monitoring in the Savanna Zone of the Democratic Republic of Sudan using the NOAA Advanced Very High Resolution Radiometer. International Journal of Remote Sensing, 7, 1499-1513.
23. Holben BN (1986) Characteristics of maximum-value composite images for temporal AVHRR data. International Journal of Remote Sensing, 7, 1435-1445.
24. Holben BN, Kaufmann Y, Kendall J (1990) NOAA-11 AVHRR Visible and near-IR inflight calibration. International Journal of Remote Sensing, 11, 1511-1519.
25. Huete AR, Tucker CJ (1991) Investigation of soil influences in AVHRR vegetation imagery. International Journal of Remote Sensing, 12, 1223-1242.
26. Jackson RD, Reginato RJ, Idso SB (1975) Surface albedo and desertification. Science, 189, 1012-1013.
27. James ME, Kalluri SNV (1994) The Pathfinder AVHRR land data set: An improved coarse resolution data set for terrestrial monitoring. International Journal of Remote Sensing, 15, 3347-3364.
28. Jarvis PG (1993) Prospects for bottom-up models. In: Scaling physiological processes leaf to globe (eds Ehleringer JR, Field CB), pp. 115-126. Academic Press, New York.
29. Justice CO (1986) Ed.ial. International Journal of Remote Sensing, 7, 1385-1390.
30. Justice CO, Dugdale G, Townshend JRG Narracott AS, Kumar M (1991) Synergism between NOAA-AVHRR and Meteosat data for studying vegetation development in semi-arid West Africa. International Journal of Remote Sensing, 12, 1349-1368.
31. Justice CO, Townshend JRG Holben BN, Tucker CJ (1985) Analysis of the phenology of global vegetation using meteorological satellite data. International Journal of Remote Sensing, 6, 1271-1318.
32. Lamotte M, Bourlière F (1983) Energy flow and nutrient cycling in tropical savannas. In: Tropical savannas: Ecosystems of the World (ed. Bourlière F), pp. 583. Elsevier, Oxford, UK.
33. Larcher W (1995) Physiological Plant Ecology. Springer-Verlag, Berlin, Heidelberg and New York, 303pp.
34. Laval K, Picon L (1986) Effect of a change of the surface albedo of the Sahel on climate. Journal of the Atmospheric Sciences, 43, 2418-2429.
35. Le Houérou HN (1977) The nature and causes of desertification. In: Desertification, environmental degradation in and around arid lands (ed. Glantz M), pp. 17-38. Westview Press, Boulder, CO.
36. Le Houérou HN (1984) Rain-Use Efficiency: A Unifying Concept in Arid-Land Ecology. Journal of Arid Lands, 7, 213-247.
37. Le Houérou HN (1989) The grazing land ecosystems of the African Sahel. Springer-Verlag, Berlin, 282pp.
38. Le Houérou HN, Bingham RL, Skerbek W (1988) Relationship between the variability of primary production and the variability of annual precipitation in world arid lands. Journal of Arid Environments, 15, 1-18.
39. Leprieur C, Kerr YK, Pichon JM (1996) Critical assessment of vegetation indices from AVHRR in a semi-arid environment. International Journal of Remote Sensing, 17, 2549-2563.
40. Los SO (1993) Calibration adjustement of the NOAA AVHRR Normalized Difference Vegetation Index without recourse to component channel 1 and 2 data. International Journal of Remote Sensing, 14, 1907-17.
41. Mabbutt JA, Floret C (eds) (1980) Case studies on desertification. UNESCO, Paris, 279pp.
42. Malo AR, Nicholson SN (1990) A study of rainfall and vegetation dynamics in the African Sahel using Normalized Difference Vegetation Index. Journal of Arid Environments, 19, 1-24.
43. Myneni RB, Los SO, Tucker CJ (1996) Satellite-based identification of linked vegetation index and sea surface temperature anomaly areas from 1982 to 1990 for Africa, Australia and South America. Geophysical Research Letters, 23, 729-732.
44. Nicholson SE, Ba MB, Kim JY (1995) Rainfall in the Sahel during 1994. Journal of Climate, submitted.
45. Nicholson SE, Davenport ML, Malo AR (1990) A comparison of the vegetation response to rainfall in the Sahel and East Africa, using normalized difference vegetation index from NOAA AVHRR. Climate Change, 17, 209-241.
46. Nicholson SE, Farrar TJ (1994) The influence of soil type on the relationships between NDVI, rainfall and soil moisture in semi-arid Botswana. Part I. NDVI response to rainfall. Remote Sensing of Environment, 50, 107-120.
47. Noy-Meir I (1985) Desert ecosystem structure and function. In: Ecosystems of the world (eds Evenari M, Noy-Meir I, Goodall DW), pp. 92-103. Elsevier, Amsterdam.
48. Oldeman LR, Hakkeling RTA Sombroek WG (1990a) World map of the status of human-induced soil degradation. An explanatory note. ISRIC/UNEP, Wageningen, 34pp.
49. Oldeman LR, Hakkeling RTA Sombroek WG (1990b) World Map on Status of Human-induced Soil Degradation (GLASOD). UNEP/ISRIC, Nairobi, Kenya.
50. Otterman J (1981) Satellite and field studies of man's impact on the surface in arid regions. Tellus, 33, 68-77.
51. Paruelo JM, Lauenroth WK (1995) Regional patterns of normalized difference vegetation index in North American shrublands and grasslands. Ecology, 76, 1888-1898.
52. Penning de Vries FWT Djitèye MA (1982) La Productivité des Pasturages Sahélien: Une étude des sols des végétations et de l'exploitation de cette ressource naturelle. Pudoc, Centre for Agricultural Publishing and Documentation, Wageningen, The Netherlands, 525pp.
53. Pickup G (1996) Estimating the effects of land degradation and rainfall variation on productivity in rangelands: an approach using remote sensing and models of grazing and herbage dynamics. Journal of Applied Ecology, 33, 819-832.
54. Prince SD (1991) Satellite remote sensing of primary production:comparison of results for Sahelian grasslands 1981-88. International Journal of Remote Sensing, 12, 1301-1311.
55. Prince SD, Justice CO (1991) Coarse resolution remote sensing in the Sahelian environment. International Journal of Remote Sensing, 12, 1133-1421.
56. Prince SD, Goetz SJ, Dubayah RO, Czajkowski KP, Thawley M (1998) Inference of surface and air temperature, atmospheric precipitable water and vapor pressure deficit using AVHRR satellite observations: validation of algorithms. Journal of Hydrology, in press.
57. Rao CRN 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, 17, 2743-2747.
58. Rapp A (1987) Desertification. In: Human Activity and Environmental Processes (eds Gregory KJ, Walling DE), pp. 425-443. John Wiley & Sons, Chichester.
59. Rasmusson EM (1987) Global climate change and variability: effects on drought and desertification in Africa. In: Drought and Hunger in Africa (ed. Glantz MH), pp. 3-22. Cambridge University Press, London, UK.
60. Rhodes SL (1991) Rethinking desertification: what do we know and what have we learned? World Development, 19, 1137-1143.
61. Rutherford MC (1980) Annual plant production-precipitation relations in arid and semi-arid regions. South African Journal of Science, 76, 53-56.
62. Rutherford MC (1984) Relative allocation and seasonal phasing of growth of woody plant components in a South African savanna. In: Progress in Biometeorology Vol. 3 (ed. Leith H), pp. 200-221. Swets & Zeilinger B.V., Lisse.
63. Sanders DW (1992) International activities in assessing and monitoring soil degradation. American Journal of Alternative Agriculture, 7, 17-24.
64. Schlesinger WH, Reynolds JF, Cunningham GL, Huenneke LF, Jarrell WM, Virginia RA, Whitford WG (1990) Biological feedbacks in global desertification. Science, 247, 1043-1048.
65. Scholes RJ (1990) The influence of soil fertility on the ecology of southern African dry savannas. Journal of Biogeography, 17, 415-419.
66. Singh JS, Joshi MC (1979) Primary production. In: Grassland ecosystems of the world: analysis of grasslands and their uses (ed. Coupland RT), pp. 197-218. Cambridge University Press, Cambridge, UK.
67. Smith PM, Kalluri SNV Prince SD, DeFries R (1997) The NOAA/NASA Pathfinder AVHRR 8-km land data set. Photogrammetric Engineering and Remote Sensing, 63, 12-32.
68. Soufflet V, Tanré D, Begue A, Podaire A, Deschamps PY (1991) Atmospheric effects in NOAA AVHRR data over Sahelian regions. International Journal of Remote Sensing, 21, 1189-1203.
69. Stoorvogel JJ, Smaling EMA (1990) Assessment of soil nutrient depletion in sub-saharan Africa: 1983-2000, Vol. 1 Main Report. Winand Staring Centre, Wageningen, The Netherlands, 137pp.
70. Taupin JD, Amani A, Lebel T (1993) Small scale spatial variability of the annual rainfall in the Sahel. In: Exchange Processes at the Land Surface for a Range of Space and Time Scales (eds Bolle H-JRA, Kalma J), pp. 593-602. IAHS, Yokahama.
71. Thomas DSG Middleton NJ (eds) (1992) World Atlas of Desertification. United Nations Environment Programme, Edward Arnold, London, 69pp.
72. Townshend JGR (ed.) (1992) Improved global data for land applications: a proposal for a new high resolution data set. Report of the Land-Cover Working Group of IGBP-DIS. International Geosphere-Biosphere Programme, Stockholm, 87pp.
73. Tucker CJ, Dregne HE, Newcomb WW (1991) Expansion and contraction of the Sahara desert from 1980 to 1990. Science, 253, 299-301.
74. Tyson C (1996) Rangeland Dynamics. In: Project Annual Report. 27-35. ARC-Range and Forage Institute, Roodeplaat Grasslands Institute, Grahamstown, Republic of South Africa.
75. UNCED (1992) Managing Fragile Ecosystems: Combating Desertification and Drought. United Nations Conference on Environment and Development.
76. UNCOD (1977a) Desertification: Its Causes and Consequences. Pergamon Press, Oxford, 448pp.
77. UNCOD (1977b) Plan of action to stop desertification. Report of the UN Conference on Desertification. UNEP, Nairobi.
78. UNEP (1990) Report on ad-hoc consultation meeting on assessment of global desertification: status and methodologies. UNEP, Nairobi.
79. UNEP (1991) Stop deserts growing. Save soils. UNEP Calendar 1991. UNEP, Nairobi.
80. van Leeuwen WJD Huete AR, Duncan J, Franklin J (1994) Radiative transfer in shrub savanna sites in Niger: preliminary results from HAPEX-Sahel. 3. Optical dynamics and vegetation index sensitivity to biomass and plant cover. Agricultural and Forest Meteorology, 69, 267-288.
81. Varnamkhasti AS, Milchunas DG, Lauenroth WK, Goetz H (1995) Production and rain use efficiency in short-grass steppe: grazing history, defoliation and water resource. Journal of Vegetation Science, 6, 787-796.
82. Verstraete MM, Schwartz SA (1991) Desertification and global change. Vegetatio, 91, 3-13.
83. Watts M (1987) Drought, Environment and Food Security: some reflections on peasants, pastoralists and commoditization in dryland West Africa. In: Drought and Hunger in Africa (ed. Glantz HH), pp. 171-211. Cambridge University Press, Cambridge.
84. Xue Y (1997) Biosphere feedback on regional climate in tropical north Africa. Quarterly Journal of the Royal Meteorological Society, in press.