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Bimodal root diameter distributions in Serengeti grasses exhibit plasticity in response to defoliation and soil texture: implications for nitrogen uptake

  1. T. M. ANDERSON*,
  2. W. T. STARMER,
  3. M. THORNE

Article first published online: 24 OCT 2006

DOI: 10.1111/j.1365-2435.2006.01192.x

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Functional Ecology

Functional Ecology

Volume 21, Issue 1, pages 50–60, February 2007

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ANDERSON, T. M., STARMER, W. T. and THORNE, M. (2007), Bimodal root diameter distributions in Serengeti grasses exhibit plasticity in response to defoliation and soil texture: implications for nitrogen uptake. Functional Ecology, 21: 50–60. doi: 10.1111/j.1365-2435.2006.01192.x

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  1. Department of Biology, 108 College Place, Syracuse University, Syracuse, New York 13244, USA

* †Author to whom correspondence should be addressed. E-mail: todd_anderson@usgs.gov

Publication History

  1. Issue published online: 24 OCT 2006
  2. Article first published online: 24 OCT 2006
  3. Received 26 April 2006; revised 11 July 2006; accepted 2 August 2006Editor: J. Cresswell

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References

  • Anderson, G.D. & Talbot, L.M. (1965) Soil factors affecting the distribution of the grassland types and their utilization by wild animals on the Serengeti plains, Tanganyika. Journal of Ecology 53, 33–56.
  • Anderson, T.M. (2004) Determinants of plant species diversity across spatial scales in Serengeti National Park, Tanzania. PhD thesis, Syracuse University, Syracuse, NY, USA.
  • Anderson, T.M., McNaughton, S.J. & Ritchie, M.E. (2004) Scale-dependent relationships between the spatial distribution of a limiting resource and plant species diversity in an African grassland ecosystem. Oecologia 139, 277–287.
  • Anderson, T.M., Dong, Y. & McNaughton, S.J. (2006) Nutrient acquisition and physiological responses of dominant Serengeti grasses to variation in soil texture and grazing. Journal of Ecology 94, 1164–1175.
    Direct Link:
  • Arredondo, J.T. & Johnson, D.A. (1998) Clipping effects on root architecture and morphology of three range grasses. Journal of Range Management 51, 207–214.
  • Arredondo, J.T. & Johnson, D.A. (1999) Root architecture and biomass allocation of three range grasses in response to nonuniform supply of nutrients and shoot defoliation. New Phytologist 143, 373–385.
    Direct Link:
  • Bailey, P.H.J., Currey, J.D. & Fitter, A.H. (2002) The role of root system architecture and root hairs in promoting anchorage against uprooting forces in Allium cepa and root mutants of Arabidopsis thaliana. Journal of Experimental Botany 53, 333–340.
  • Bell, R.H.V. (1970) The use of the herb layer by grazing ungulates in the Serengeti. Animal Populations in Relation to their Food Resources (ed. Watson, A.), pp. 111–124. Blackwell Scientific, Oxford, UK.
  • Berendse, F. (1985) The effect of grazing on the outcome of competition between plant species with different nutrient requirements. Oikos 44, 35–39.
  • Boot, R.G.A. & Mensink, M. (1990) Size and morphology of root systems of perennial grasses from contrasting habitats as affected by nitrogen supply. Plant and Soil 129, 291–299.
  • Bouma, T.J., Nielsen, K.L. & Koutstaal, B. (2000) Sample preparation and scanning protocol for computerised analysis of root length and diameter. Plant and Soil 218, 185–196.
  • Bouma, T.J., Nielsen, K.L., Van Hal, J. & Koutstaal, B. (2001a) Root system topology and diameter distribution of species from habitats differing in inundation frequency. Functional Ecology 15, 360–369.
    Direct Link:
  • Bouma, T.J., Koutstaal, B.P., Van Dongen, M. & Nielsen, K.L. (2001b) Coping with low nutrient availability and inundation: root growth responses of three halophytic grass species from different elevations along a flooding gradient. Oecologia 126, 472–481.
  • Briske, D.D. & Richards, J.H. (1995) Plant responses to defoliation: a physiological, morphological and demographic evaluation. Wildland Plants: Physiological Ecology and Developmental Morphology (eds D.J.Bedunah & R.E.Sosebee), pp. 635–710. Society for Range Management, Denver, CO, USA.
  • Briske, D.D., Boutton, T.W. & Wang, Z. (1996) Contribution of flexible allocation priorities to herbivory tolerance in C4 perennial grasses: an evaluation with 13C labeling. Oecologia 105, 151–159.
  • Busso, C.A., Briske, D.D. & Olalde-Portugal, V. (2001) Root traits associated with nutrient exploitation following defoliation in three coexisting perennial grasses in a semi-arid savanna. Oikos 93, 332–342.
    Direct Link:
  • Callaway, R.M., Pennings, S.C. & Richards, C.L. (2003) Phenotypic plasticity and interactions among plants. Ecology 84, 1115–1128.
  • Campbell, W.H. (1999) Nitrate reductase structure, function and regulation: bridging the gap between biochemistry and physiology. Annual Review of Plant Physiology and Plant Molecular Biology 50, 277–303.
  • Coughenour, M.B. (1985) Graminoid responses to grazing by large herbivores: adaptations, exaptations, and interacting processes. Annals of the Missouri Botanical 72, 852–863.
  • Dawson, L.A., Thornton, B., Pratt, S.M. & Paterson, E. (2004) Morphological and topological responses of roots to defoliation and nitrogen supply in Lolium perenne and Festuca ovina. New Phytologist 161, 811–818.
    Direct Link:
  • Derner, J.D. & Briske, D.D. (1999) Does a tradeoff exist between morphological and physiological root plasticity? A comparison of grass growth forms. Acta Oecologica 20, 519–526.
  • Dunbabin, V., Diggle, A. & Rengel, Z. (2003) Is there an optimal root architecture for nitrate capture in leaching environments? Plant, Cell & Environment 26, 835–844.
    Direct Link:
  • Dunbabin, V., Rengel, Z. & Diggle, A.J. (2004) Simulating form and function of root systems: efficiency of nitrate uptake is dependent on root system architecture and the spatial and temporal variability of nitrate supply. Functional Ecology 18, 204–211.
    Direct Link:
  • Eissenstat, D.M. (1991) On the relationship between specific root length and rate of root proliferation: a field study using citrus rootstocks. New Phytologist 118, 63–68.
    Direct Link:
  • Eissenstat, D.M. (1992) Costs and benefits of constructing roots of small diameter. Journal of Plant Nutrition 15, 763–782.
  • Eissenstat, D.M. (1997) Trade-offs in root form and function. Ecology in Agriculture (ed. L.E.Jackson), pp. 173–199. Academic Press, San Diego, CA, USA.
  • Eissenstat, D.M. & Caldwell, M.M. (1988) Seasonal timing of root growth in favorable microsites. Ecology 69, 870–873.
  • Eissenstat, D.M., Wells, C.E., Yanai, R.D. & Whitbeck, J.L. (2000) Building roots in a changing environment: implications for root longevity. New Phytologist 147, 33–42.
    Direct Link:
  • Farley, R.A. & Fitter, A.H. (1999) Temporal and spatial variation in soil resources in a deciduous woodland. Journal of Ecology 87, 688–696.
    Direct Link:
  • Fitter, A.H. (1986) The topology and geometry of plant root systems: influence of watering rate on root system topology in Trifolium pratense. Annals of Botany 58, 91–101.
  • Fitter, A.H. (1994) Architecture and biomass allocation as components of the plastic response of root systems to soil heterogeneity. Exploitation of Environmental Heterogeneity by Plants (eds M.C.Caldwell & R.C.Pearcy), pp. 305–323. Academic Press, New York.
  • Fitter, A.H. (1987) An architectural approach to the comparative ecology of plant root systems. New Phytologist 106, 61–77.
    Direct Link:
  • Fitter, A.H. & Strickland, T.R. (1991) Architectural analysis of plant root systems. 2. Influence of nutrient supply on architecture in contrasting plant species. New Phytologist 118, 383–389.
    Direct Link:
  • Fitter, A.H. & Strickland, T.R. (1992) Fractal characterization of root system architecture. Functional Ecology 6, 632–635.
  • Fitter, A.H., Nichols, R. & Harvey, M.L. (1988) Root system architecture in relation to life history and nutrient supply. Functional Ecology 2, 345–351.
  • Fitter, A.H., Strickland, T.R., Harvey, M.L. & Wilson, G.W. (1991) Architectural analysis of plant root systems. 1. Architectural correlates of exploitation efficiency. New Phytologist 118, 375–382.
    Direct Link:
  • Fitter, A., Hodge, A. & Robinson, D. (2000) Plant response to patchy soils. The Ecological Consequences of Environmental Heterogeneity (eds M.J.Hutchings, E.A.John & A.J.A.Stewart), pp. 71–90. Blackwell Science, Oxford, UK.
  • Fitter, A., Williamson, L., Linkohr, B. & Leyser, O. (2002) Root system architecture determines fitness in an Arabidopsis mutant in competition for immobile phosphate ions but not for nitrate ions. Proceedings of the Royal Society of London, Series B 1504, 2017–2022.
  • Fransen, B., De Kroon, H. & Berendse, F. (1998) Root morphological plasticity and nutrient acquisition of perennial grass species from habitats of different nutrient availability. Oecologia 115, 351–358.
  • Hetrick, B.A.D., Wilson, G.W.T. & Leslie, J.F. (1991) Root architecture of warm- and cool-season grasses: Relationship to mycorrhizal dependence. Canadian Journal of Botany 69, 112–118.
  • Hodge, A. (2006) Plastic plants and patchy soils. Journal of Experimental Botany 57, 401–411.
  • Hodge, A., Robinson, D., Griffiths, B.S. & Fitter, A.H. (1999) Why plants bother: root proliferation results in increased nitrogen capture from an organic patch when two grasses compete. Plant, Cell & Environment 22, 811–820.
    Direct Link:
  • Hodge, A., Stewart, J., Robinson, D., Griffiths, B.S. & Fitter, A.H. (2000) Spatial and physical heterogeneity of N supply from soil does not influence N capture by two grass species. Functional Ecology 14, 645–653.
    Direct Link:
  • Jackson, R.B. & Cladwell, M.M. (1996) Integrating resource heterogeneity and plant plasticity: modelling nitrate and phosphate uptake in a patchy soil environment. Journal of Ecology 84, 891–904.
  • Jackson, R.B., Manwaring, J.H. & Caldwell, M.M. (1990) Rapid physiological adjustment of roots to localized soil enrichment. Nature 344, 58–60.
  • Jager, T. (1982) Soils of the Serengeti Woodlands, Tanzania. Agricultural Research Report 912. University of Wageningen, Wageningen, the Netherlands.
  • Kirchhof, G. & Pendar, K. (1993) delta-t scan Software. Delta-T Devices, Cambridge, UK.
  • Levang-Brilz, N. & Biondini, M.E. (2003) Growth rate, root development and nutrient uptake of 55 plant species from the Great Plains Grasslands, USA. Plant Ecology 165, 117–144.
  • Lynch, J. (1995) Root architecture and plant productivity. Plant Physiology 109, 7–13.
  • Van Der Maarel, E. & Titlyanova, A. (1989) Above-ground and below-ground biomass relations in steppes under different grazing conditions. Oikos 56, 364–370.
  • Mackie-Dawson, L.A. (1999) Nitrogen uptake and root morphological responses of defoliated Lolium perenne (L.) to a heterogeneous nitrogen supply. Plant and Soil 209, 111–118.
  • McNaughton, S.J. (1983) Serengeti grassland ecology: the role of composite environmental factors and contingency in community organization. Ecological Monographs 53, 291–320.
  • McNaughton, S.J. (1984) Grazing lawns: animals in herd, plant form, and coevolution. American Naturalist 124, 863–886.
  • McNaughton, S.J. (1985) Ecology of a grazing ecosystem: the Serengeti. Ecological. Monographs 55, 259–294.
  • McNaughton, S.J., Ruess, R.W. & Seagle, S.W. (1988) Large mammals and process dynamics in African ecosystems. Bioscience 38, 794–800.
  • Mengel, K. & Steffens, D. (1985) Potassium uptake of rye-grass (Lolium perenne) and red clover (Trifolium pratense) as related to root parameters. Biology and Fertility of Soils 1, 53–58.
  • Migge, A., Meya, G., Carrayol, E., Hirel, B. & Becker, T.W. (1996) Regulation of the subunit composition of tomato plastid glutamine synthetase by light and the nitrogen source. Planta 200, 213–220.
  • Monaco, T.A., Johnson, D.A., Norton, J.M., Jones, T.A., Connors, K.J., Norton, J.B. & Redinbaugh, M.B. (2003) Contrasting responses of Intermountain West grasses to soil nitrogen. Journal of Range Management 56, 282–290.
  • Van Noordwijk, M., Spek, L.Y. & De Willigen, P. (1994) Proximal root diameter as predictor of total root size for fractal branching models. I. Theory. Plant and Soil 164, 107–117.
  • Ott, J. (1979) Detection of rare major genes in lipid levels. Human Genetics 51, 79–91.
  • Robinson, D. (1994) The responses of plants to non-uniform supplies of nutrients. New. Phytologist 127, 635–674.
    Direct Link:
  • Robinson, D. (1996) Resource capture by localized root proliferation: why do plants bother? Annals of Botany 77, 179–186.
  • Robinson, D. (2005) Integrated root responses to variations in nutrient supply. Nutrient Acquisition by Plants: An Ecological Perspective (ed. H.BassiriRad), pp. 43–61. Springer-Verlag, Berlin.
  • Robinson, D. & Rorison, I.H. (1988) Plasticity in grass species in relation to nitrogen supply. Functional Ecology 2, 249–257.
  • Robinson, D., Linehan, D.J. & Gordon, D.C. (1994) Capture of nitrate from soil by wheat in relation to root length, nitrogen inflow and availability. New Phytologist 128, 297–305.
    Direct Link:
  • Robinson, D., Hodge, A., Griffiths, B.S. & Fitter, A.H. (1999) Plant root proliferation in nitrogen-rich patches confers competitive advantage. Proceedings of the Royal Society Series B 1418, 431–435.
  • Robinson, D., Hodge, A. & Fitter, A.H. (2003) Constraints on the form and function of root systems. Root Ecology (eds H.De Kroon & E.J.W.Visser), pp. 1–31. Springer-Verlag, Berlin.
  • Ryser, P. & Eek, L. (2000) Consequences of phenotypic plasticity vs. interspecific differences in leaf and root traits for acquisition of aboveground and belowground resources. American Journal of Botany 87, 402–411.
  • Schenk, H.J. & Jackson, R.B. (2002) Rooting depths, lateral root spreads and below- ground/above-ground allometries of plants in water-limited ecosystems. Journal of Ecology 90, 480–494.
    Direct Link:
  • Sokal, R.R. & Rohlf, F.J. (1995) Biometry: The Principles and Practice of Statistics in Biology Research, 3rd edn. W.H. Freeman, New York, USA.
  • Stebbins, G.L. (1981) Coevolution of grasses and herbivores. Annals of the Missouri Botanical Garden 68, 75–86.
  • Sullivan, M.W., Jiang, Z. & Hull, R.J. (2000) Root morphology and its relationship with nitrate uptake in Kentucky Bluegrass. Crop Science 40, 765–772.
  • Taub, D.R. & Goldberg, D. (1996) Root system topology of plants from habitats differing in soil resource availability. Functional Ecology 10, 258–264.
  • Verhoeven, K.J.F., Simonsen, K.L. & McIntyre, L.M. (2005) Implementing false discovery rate control: increasing your power. Oikos 108, 643–647.
    Direct Link:
  • Wahl, S. & Ryser. P. (2000) Root tissue structure is linked to ecological strategies of grasses. New Phytologist 148, 459–471.
    Direct Link:
  • De Wit, H.A. (1978) Soils and grassland types of the Serengeti Plain (Tanzania). PhD thesis, University of Wageningen, Wageningen, the Netherlands.
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