Root biomass and productivity in a grazing ecosystem: The Serengeti

Ecology

Volumn 79, Issue 2, 1998, Pages 587-592

  Mcnaughton, S J ^a   Banyikwa, F F ^a,b,c   Mcnaughton, M M ^a  

^a SYRACUSE UNIVERSITY   (United States)

^b Serengeti Wildlife Research Centre   (Tanzania)

^c UNIVERSITY OF DAR ES SALAAM   (Tanzania)

Author keywords

Annual cycle; Grassland ecosystems; Grazing of belowground productivity; Root biomass; Root shoot growth; Serengeti grasslands.

Indexed keywords

BELOWGROUND BIOMASS; BIOLOGICAL PRODUCTION; GRASSLAND; HERBIVORY;

SERENGETI; TANZANIA;

ANIMALIA; MAMMALIA;

EID: 0031848785     PISSN: 00129658     EISSN: None     Source Type: Journal    
DOI: 10.1890/0012-9658(1998)079[0587:RBAPIA]2.0.CO;2     Document Type: Article

References (52)

1. Aiken, R. M., and A. J. M. Smucker. 1996. Root system regulation of whole plant growth. Annual Review of Phytopathology 34:325-346.
2. Belsky, A. J. 1986. Does herbivory benefit plants? A review of the evidence. American Naturalist 127:870-892.
3. Bloom, A. J., F. S. Chapin. III, and H. A. Mooney. 1985. Resource limitation in plants-an economic analogy. Annual Review of Ecology and Systematics 16:363-392.
4. Brand, M. D., and H. Goetz. 1986. Vegetation exclosures in southwestern North Dakota. Journal of Range Management 39:434-437.
5. Brouwer, R. 1983. Functional equilibrium: sense or nonsense? Netherlands Journal of Agricultural Science 31:335-348.
6. Cargill, S. M., and R. L. Jefferies. 1984a. Nutrient limitation of primary production in a sub-arctic salt marsh. Journal of Applied Ecology 21:657-668.
7. Cargill, S. M., and R. L. Jefferies. 1984b. The effects of grazing by lesser snow geese on the vegetation of sub-arctic salt marsh. Journal of Applied Ecology 21:669-686.
8. Coleman, D. C. 1976. A review of root production processes and their influence on soil biota in terrestrial ecosystems. Pages 417-434 in J. M. Anderson and A. Macfadyen, editors. The role of terrestrial and aquatic organisms in decomposition processes. Blackwell, Oxford, UK.
9. Coleman, J. S., and K. D. M. McConnaughay. 1995. A nonfunctional interpretation of classical optimal-partititioning example. Functional Ecology 9:951-954.
10. Coleman, J. S., K. D. M. McConnaughay, and D. D. Ackerly. 1994. Interpreting phenotypic variation in plants. Trends in Ecology and Evolution 9:187-191.
11. 2 and plant-nitrogen use: is reduced tissue nitrogen concentration size-dependent? Oecologia 93:195-206.
12. Coughenour, M. B., S. J. McNaughton, and L. L. Wallace. 1984. Modelling primary productivity of perennial graminoids-uniting physiological processes and morphometric traits. Ecological Modelling 23:101-134.
13. Coughenour, M. B., S. J. McNaughton, and L. L. Wallace. 1985. Simulation of East African perennial graminoid responses to defoliaton. Ecological Modelling 26:177-202.
14. Detling, J. K., M. I. Dyer, and D. T. Winn. 1979. Net photosynthesis, root respiration, and regrowth of Bouteloua gracilis following simulated grazing. Oecologia 41:127-134.
15. Dyer, M. I., and U. G. Bokhari. 1976. Plant-animal inter-actions: studies of the effects of grasshopper grazing on blue grama grass. Ecology 57:762-772.
16. Fiala, K., and V. Studený. 1987. Cutting and fertilization effect on the root system in several grassland stands. I. Impact on the living and dead root biomass. Ekológia (ČSSR) 6:389-402.
17. Floate, M. J. S. 1981. Effects of grazing by large herbivores on nitrogen cycling in agricultural ecosystems. Pages 585-602 in F. E. Clark and T. Rosswall, editors. Terrestrial nitrogen cycles. Royal Swedish Academy of Sciences, Stockholm, Sweden.
18. Georgiadis, N. J., R. W. Ruess, S. J. McNaughton, and D. Western. 1989. Ecological conditions that determine when grazing stimulates grass production. Oecologia 81:316-322.
19. Gross, K. L., A. Peters, and K. S. Pregitzer. 1993. Fine root growth and demographic responses to nutrient patches in four old-field plant species. Oecologia 95:61-64.
20. Holland, E. A., W. J. Parton, J. K. Detling, and D. L. Coppock. 1992. Physiological responses of plant populations to herbivory and their consequences for ecosystem nutrient flow. American Naturalist 140:685-706.
21. Ingham, R. E., and J. K. Detling. 1984. Plant-herbivore interactions in a North American mixed-grass prairie. III. Soil nematode populations and root biomass on Cynomys ludovicianus colonies and adjacent uncolonized areas. Oecologia 63:307-313.
22. Jackson, R. B., and M. M. Caldwell. 1993. The scale of nutrient heterogeneity around individual plants and its quantification with geostatistics. Ecology 74:612-614.
23. Jackson, R. B., J. H. Manwaring, and M. M. Caldwell. 1990. Rapid physiological adjustment of roots to localized soil enrichment. Nature 344:58-60.
24. Jameson, D. A. 1963. Responses of individual plants to harvesting. Botanical Review 29:532-594.
25. Kinyamario, J. I., and S. K. Imbamba. 1992. Savanna at Nairobi National Park, Nairobi. Pages 25-69 in S. P. Long, M. B. Jones, and M. J. Roberts. Primary productivity of grass ecosystems of the tropics and sub-tropics. Chapman & Hall, London, UK.
26. McNaughton, S. J. 1979a. Grassland-herbivore dynamics. Pages 46-81 in A. R. E. Sinclair and M. Norton-Griffiths, editors. Serengeti. Dynamics of an ecosystem. University of Chicago Press, Chicago Illinois, USA.
27. _. 1979b. Grazing as an optimization process: grassungulate relationships in the Serengeti ecosystem. American Naturalist 113:691-703.
28. _. 1983a. Compensatory growth as a response to herbivory. Oikos 40:329-336.
29. _. 1983b. Physiological and ecological implications of herbivory. Pages 657-677 in O. L. Lange, P. S. Nobel, C. B. Osmond, and H. Ziegler, editors. Physiological plant ecology. III. Responses to the chemical and biological environment. Encyclopedia of plant physiology, new series, Volume 12C. Springer-Verlag, New York, New York, USA.
30. _. 1983c. Serengeti grassland ecology: the role of composite environmental factors and contingency in community organization. Ecological Monographs 53:291-320.
31. _. 1985. Ecology of a grazing ecosystem: the Serengeti. Ecological Monographs 55:259-294.
32. _. 1986. On plants and herbivores. American Naturalist 128:765-770.
33. _. 1988. Mineral nutrition and spatial concentrations of African ungulates. Nature 334:343-345.
34. _. 1990. Mineral nutrition and seasonal movements of African migratory ungulates. Nature 345:613-615.
35. 4 graminoids from the Serengeti plains. Ecology 66:1617-1629.
36. McNaughton, S. J., M. Oesterheld, D. A. Frank, and K. J. Williams. 1991. Primary and secondary production in terrestrial ecosystems. Pages 120-139 in J. Cole, G. Lovett, and S. Findlay, editors. Comparative analyses of ecosystems. Springer-Verlag, New York, New York, USA.
37. Milchunas, D. G., and W. K. Lauenroth. 1989. Three-dimensional distribution of plant biomass in relation to grazing and topography in the shortgrass steppe. Oikos 55:82-86.
38. Milchunas, D. G., O. E. Sala, and W. K. Lauenroth. 1988. A generalized model of the effects of grazing by large herbivores on grassland community structure. American Naturalist 132:87-106.
39. Oesterheld, M., and S. J. McNaughton. 1988. Intraspecific variation in the response of Themeda triandra to defoliation: the effect of time of recovery and growth rates on compensatory growth. Oecologia 77:181-186.
40. Oesterheld, M., and S. J. McNaughton. 1991. Effect of stress and time for recovery on the amount of compensatory growth after grazing. Oecologia 85:305-313.
41. Painter, E. L., and A. J. Belsky. 1993. Application of her- bivore optimization theory to rangelands of the western United States. Ecological Applications 3:2-9.
42. Pandey, C. B., and J. S. Singh. 1992. Influence of rainfall and grazing on belowground biomass dynamics in a dry tropical savanna. Canadian Journal of Botany 70:1885-1890.
43. Prins, H. H. T. 1987. The buffalo of Manyara. Rijksuniversiteit te Groningen, Groningen, The Netherlands.
44. Risser, P. G., E. C. Birney, H. D. Blocker, S. W. May, W. J. Parton, and J. A. Wiens. 1981. The true prairie ecosystem. Dowden, Hutchinson & Ross, Stroudsburg, Pennsylvania, USA.
45. San José, J. J., F. Berrade, and J. Ramirez. 1982. Seasonal changes of growth, mortality and disapperance of belowground root biomass in the Trachypogon savanna grass. Acta Œcologia 3:347-358.
46. Schmid, B., S. L. Miao, and F. A. Bazzaz. 1990. Effects of simulated root herbivory and fertilizer application on growth and biomass allocation in the clonal perennial Solidago canadensis. Oecologia 84:9-15.
47. Sims, P. L., and J. S. Singh. 1978a. The structure and function of ten western North American grasslands. II. Intra-seasonal dynamics in primary producer compartments. Journal of Ecology 66:547-572.
48. Sims, P. L., and J. S. Singh. 1978b. The structure and function of ten western North American grasslands. III. Net primary productivity, turnover and efficiencies of energy capture and water use. Journal of Ecology 66:573-597.
49. Sinclair, A. R. E. 1977. The African buffalo. University of Chicago Press, Chicago Illinois, USA.
50. Strugnell, R. G., and C. D. Piggott. 1978. Biomass, shoot-production and grazing of two grasslands in the Rwenzori National Park, Uganda. Journal of Ecology 66:73-96.
51. Svejcar, T., and S. Christiansen. 1987. The influence of grazing pressure on rooting dynamics of Caucasian bluestem. Journal of Range Management 40:224-227.
52. van der Maarel, E., and A. Titlyanova. 1989. Above-ground and below-ground biomass relations in steppes under different grazing intensities. Oikos 56:364-370.