Tree canopies explain fire effects on soil nitrogen, phosphorus and carbon in a savanna ecosystem

Journal of Vegetation Science

Volumn 23, Issue 2, 2012, Pages 352-360

  Holdo, Ricardo M ^a,b   Mack, Michelle C ^c   Arnold, Stephen G ^a,b  

^a UNIVERSITY OF MISSOURI   (United States)

^b UNIVERSITY OF THE WITWATERSRAND   (South Africa)

^c UNIVERSITY OF FLORIDA   (United States)

Author keywords

Ecosystem function; Indirect effects; Kruger National Park; Nutrient cycling; South Africa; Tree cover

Indexed keywords

BASALT; CANOPY ARCHITECTURE; ENZYME ACTIVITY; EXPERIMENTAL STUDY; FOREST COVER; FOREST FIRE; MINERALIZATION; NUTRIENT CYCLING; NUTRIENT DYNAMICS; PHOSPHORUS; SANDY SOIL; SAVANNA; SOIL CARBON; SOIL NITROGEN; SOIL NUTRIENT;

KRUGER NATIONAL PARK; SOUTH AFRICA;

EID: 84858332559     PISSN: 11009233     EISSN: 16541103     Source Type: Journal    
DOI: 10.1111/j.1654-1103.2011.01357.x     Document Type: Article

References (58)

1. Anderson, T.M., Ritchie, M.E., Mayemba, E., Eby, S., Grace, J.B. & McNaughton, S.J. 2007. Forage nutritive quality in the Serengeti ecosystem: the roles of fire and herbivory. American Naturalist 170: 343-357.
2. Aranibar, J.N., Macko, S.A., Anderson, I.C., Potgieter, A.L.F., Sowry, R. & Shugart, H.H. 2003. Nutrient cycling responses to fire frequency in the Kruger National Park (South Africa) as indicated by stable isotope analysis. Isotopes in Environmental and Health Studies 39: 141-158.
3. Belsky, A.J. 1994. Influences of trees on savanna productivity - tests of shade, nutrients, and tree-grass competition. Ecology 75: 922-932.
4. Belsky, A.J., Amundson, R.G., Duxbury, J.M., Riha, S.J., Ali, A.R. & Mwonga, S.M. 1989. The effects of trees on their physical, chemical, and biological environments in a semi-arid savanna in Kenya. Journal of Applied Ecology 26: 1005-1024.
5. Belsky, A.J., Mwonga, S.M., Amundson, R.G., Duxbury, J.M. & Ali, A.R. 1993. Comparative effects of isolated trees on their undercanopy environments in high-rainfall and low-rainfall savannas. Journal of Applied Ecology 30: 143-155.
6. Biggs, R., Biggs, H.G., Dunne, T.T., Govender, N. & Potgieter, A.L.F. 2003. Experimental burn plot trial in the Kruger National Park: history, experimental design and suggestions for data analysis. Koedoe 46: 1-15.
7. Blair, J.M. 1997. Fire, N availability, and plant response in grasslands: a test of the transient maxima hypothesis. Ecology 78: 2359-2368.
8. Bond, W.J. 2008. What limits trees in C4 grasslands and savannas? Annual Review of Ecology, Evolution and Systematics 39: 641-659.
9. Chapin, F.S. & McNaughton, S.J. 1989. Lack of Compensatory Growth under Phosphorus Deficiency in Grazing-Adapted Grasses from the Serengeti Plains. Oecologia 79: 551-557.
10. Chidumayo, E.N. 2008. Demographic implications of life-history stage characteristics in two African acacias at a Makeni savanna plot in Zambia. Journal of Plant Ecology 1: 217-225.
11. Coates Palgrave, K. 1977. Trees of Southern Africa. Struik Publishers, Cape Town, ZA.
12. Coetsee, C., February, E.C. & Bond, W.J. 2008. Nitrogen availability is not affected by frequent fire in a South African savanna. Journal of Tropical Ecology 24: 647-654.
13. Coetsee, C., Bond, W.J. & February, E.C. 2010. Frequent fire affects soil nitrogen and carbon in an African savanna by changing woody cover. Oecologia 162: 1027-1034.
14. Craine, J.M., Morrow, C. & Stock, W.D. 2008. Nutrient concentration ratios and co-limitation in South African grasslands. New Phytologist 179: 829-836.
15. Dean, W.R.J., Milton, S.J. & Jeltsch, F. 1999. Large trees, fertile islands, and birds in arid savanna. Journal of Arid Environments 41: 61-78.
16. Dell, C.J., Williams, M.A. & Rice, C.W. 2005. Partitioning of nitrogen over five growing seasons in tallgrass prairie. Ecology 86: 1280-1287.
17. Frost, P.G.H. & Robertson, F. 1987. The ecological effects of fire on savannas. In: Walker, B.H. (ed.) Determinants of tropical Savannas, pp. 93-140. ICSU Press, Miami, FL, US.
18. Fynn, R.W.S., Haynes, R.J. & O'Connor, T.G. 2003. Burning causes long-term changes in soil organic matter content of a South African grassland. Soil Biology and Biochemistry 35: 677-687.
19. Govender, N., Trollope, W.S.W. & Van Wilgen, B.W. 2006. The effect of fire season, fire frequency, rainfall and management on fire intensity in savanna vegetation in South Africa. Journal of Applied Ecology 43: 748-758.
20. Hartnett, D.C., Potgieter, A.F. & Wilson, G.W.T. 2004. Fire effects on mycorrhizal symbiosis and root system architecture in southern African savanna grasses. African Journal of Ecology 42: 328-337.
21. Hartshorn, A.S., Coetsee, C. & Chadwick, O.A. 2009. Pyromineralization of soil phosphorus in a South African savanna. Chemical Geology 267: 24-31.
22. Higgins, S.I., Bond, W.J. & Trollope, W.S.W. 2000. Fire, resprouting and variability: a recipe for grass-tree coexistence in savanna. Journal of Ecology 88: 213-229.
23. Higgins, S.I., Bond, W.J., February, E.C., Bronn, A., Euston-Brown, D.I.W., Enslin, B., Govender, N., Rademan, L., O'Regan, S., Potgieter, A.L.F., Scheiter, S., Sowry, R., Trollope, L. & Trollope, W.S.W. 2007. Effects of four decades of fire manipulation on woody vegetation structure in savanna. Ecology 88: 1119-1125.
24. Holdo, R.M. 2005. Stem mortality following fire in Kalahari sand vegetation: effects of frost, prior damage, and tree neighbourhoods. Plant Ecology 108: 77-86.
25. Holdo, R.M., Holt, R.D., Coughenour, M.B. & Ritchie, M.E. 2007. Plant productivity and soil nitrogen as a function of grazing, migration and fire in an African savanna. Journal of Ecology 95: 115-128.
26. Holdo, R.M., Holt, R.D. & Fryxell, J.M. 2009. Grazers, browsers, and fire influence the extent and spatial pattern of tree cover in the Serengeti. Ecological Applications 19: 95-109.
27. Houlton, B.Z., Wang, Y.P., Vitousek, P.M. & Field, C.B. 2008. A unifying framework for dinitrogen fixation in the terrestrial biosphere. Nature 454: 327-U334.
28. Johnson, L.C. & Matchett, J.R. 2001. Fire and grazing regulate belowground processes in tallgrass prairie. Ecology 82: 3377-3389.
29. Knoop, W.T. & Walker, B.H. 1985. Interactions of woody and herbaceous vegetation in a southern African savanna. Journal of Ecology 73: 235-253.
30. Kuo, S. 1996. Phosphorus. In: Sparks, D.L., Page, A.L., Helmke, P.A., Loeppert, R.H. & Soltanpour, P.N. (eds.) Methods for soil analysis - Part 3 - Chemical methods, pp. 869-920. Soil Science Society of America, Madison, WI, US.
31. Lavoie, M., Mack, M.C. & Schuur, E.A.G. 2011. Effects of elevated nitrogen and temperature on carbon and nitrogen dynamics in Alaskan arctic and boreal soils. Journal of Geophysical Research 116: G03013.
32. Ludwig, F., Dawson, T.E., Kroon, H., Berendse, F. & Prins, H.H.T. 2003. Hydraulic lift in Acacia tortilis trees on an East African savanna. Oecologia 134: 293-300.
33. Ludwig, F., de Kroon, H., Berendse, F. & Prins, H.H.T. 2004. The influence of savanna trees on nutrient, water and light availability and the understorey vegetation. Plant Ecology 170: 93-105.
34. Murphy, J. & Riley, J.P. 1962. A modified single solution method for determination of phosphate in natural waters. Analytica Chimica Acta 26: 31-36.
35. Ojima, D.S., Schimel, D.S., Parton, W.J. & Owensby, C.E. 1994. Long-term and short-term effects of fire on nitrogen cycling in tallgrass prairie. Biogeochemistry 24: 67-84.
36. Parton, W.J., Schimel, D.S., Cole, C.V. & Ojima, D.S. 1987. Analysis of factors controlling soil organic-matter levels in Great-Plains grasslands. Soil Science Society of America Journal 51: 1173-1179.
37. Penning de Vries, F., Krul, J. & van Keulen, H. 1980. Productivity of Sahelian rangelands in relation to the availability of nitrogen and phosphorus from the soil. In: Rosswall, T. (ed.) Nitrogen cycling in West African ecosystems, pp. 95-113. Royal Swedish Academy of Science, Stockholm, SE.
38. Pinheiro, J.C. & Bates, M. 2000. Mixed-effects models in S and S-PLUS. Springer, New York, NY, US.
39. Riginos, C. 2009. Grass competition suppresses savanna tree growth across multiple demographic stages. Ecology 90: 335-340.
40. Riginos, C., Grace, J.B., Augustine, D.J. & Young, T.P. 2009. Local vs landscape-scale effects of savanna trees on grasses. Journal of Ecology 97: 1337-1345.
41. Risser, P.G. & Parton, W.J. 1982. Ecosystem analysis of the tallgrass prairie - nitrogen cycle. Ecology 63: 1342-1351.
42. Ruess, R.W. & Seagle, S.W. 1994. Landscape patterns in soil microbial processes in the Serengeti National Park, Tanzania. Ecology 75: 892-904.
43. Scholes, R.J. & Archer, S.R. 1997. Tree-grass interactions in savannas. Annual Review of Ecology and Systematics 28: 517-544.
44. Scholes, R.J. & Walker, B.H. 1993. An African Savanna: synthesis of the Nylsvlei Study. Cambridge University Press, Cambridge, UK.
45. Scholes, M.C., Scholes, R.J., Otter, L.B. & Woghiren, A.J. 2003. Biogeochemistry: the cycling of elements. In: Du Toit, J., Rogers, K.H. & Biggs, H. (eds.) The Kruger experience: ecology and management of Savanna heterogeneity, pp. 130-148. Island Press, Washington, DC, US.
46. Schulze, E.D., Caldwell, M.M., Canadell, J., Mooney, H.A., Jackson, R.B., Parson, D., Scholes, R., Sala, O.E. & Trimborn, P. 1998. Downward flux of water through roots (i.e. inverse hydraulic lift) in dry Kalahari sands. Oecologia 115: 460-462.
47. Seastedt, T.R., Briggs, J.M. & Gibson, D.J. 1991. Controls of nitrogen limitation in tallgrass prairie. Oecologia 87: 72-79.
48. Smit, I.P.J., Asner, G.P., Govender, N., Kennedy-Bowdoin, T., Knapp, D.E. & Jacobson, J. 2010. Effects of fire on woody vegetation structure in African savanna. Ecological Applications 20: 1865-1875.
49. Tabatabai, M.A. 1994. Soil enzymes. In: Weaver, R.W., Angle, S., Bottomley, P., Bezdicek, D., Smith, S., Tabatabai, M.A. & Wollum, A. (eds.) Methods for soil analysis - Part 2 - Microbiological and biochemical properties, pp. 775-834. Soil Science Society of America, Madison, WI, US.
50. du Toit, J.T. 2003. Large herbivores and savanna heterogeneity. In: Du Toit, J.T., Rogers, K.H. & Biggs, H.C. (eds.) The Kruger experience: ecology and management of Savanna heterogeneity, pp. 292-309. Island Press, Washington, DC, US.
51. Treydte, A.C., Grant, C.C. & Jeltsch, F. 2009. Tree size and herbivory determine below-canopy grass quality and species composition in savannahs. Biodiversity and Conservation 18: 3989-4002.
52. Treydte, A.C., van der Beek, J.G.M., Perdok, A.A. & van Wieren, S.E. 2011. Grazing ungulates select for grasses growing beneath trees in African savannas. Mammalian Biology 76: 345-350.
53. Turner, C.L., Blair, J.M., Schartz, R.J. & Neel, J.C. 1997. Soil N and plant responses to fire, topography, and supplemental N in tallgrass prairie. Ecology 78: 1832-1843.
54. Venter, F.J., Scholes, R.J. & Eckhardt, H.C. 2003. The abiotic template and its associated vegetation pattern. In: Du Toit, J., Rogers, K.H. & Biggs, H. (eds.) The Kruger experience: ecology and management of Savanna heterogeneity, pp. 83-129. Island Press, Washington, DC, US.
55. Vetaas, O.R. 1992. Micro-site effects of trees and shrubs in dry savannas. Journal of Vegetation Science 3: 337-344.
56. Vitousek, P.M. & Howarth, R.W. 1991. Nitrogen limitation on land and sea: how can it occur? Biogeochemistry 13: 87-115.
57. Wan, S.Q., Hui, D.F. & Luo, Y.Q. 2001. Fire effects on nitrogen pools and dynamics in terrestrial ecosystems: a meta-analysis. Ecological Applications 11: 1349-1365.
58. van Wilgen, B.W., Trollope, W.S.W., Biggs, H.C., Potgieter, A.L.F. & Brockett, B.H. 2003. Fire as a driver of ecosystem variability. In: Du Toit, J.T., Rogers, K.H. & Biggs, H.C. (eds.) The Kruger experience: ecology and management of Savanna heterogeneity, pp. 149-170. Island Press, Washington, DC, US.