Brad Ripley

Summary

Affiliation: Rhodes University
Country: South Africa

Publications

  1. doi request reprint Photosynthetic acclimation and resource use by the C3 and C4 subspecies of Alloteropsis semialata in low CO2 atmospheres
    Brad S Ripley
    Botany Department, Rhodes University, PO Box 94, Grahamstown, 6140, South Africa
    Glob Chang Biol 19:900-10. 2013
  2. ncbi request reprint Do low standing biomass and leaf area index of sub-tropical coastal dunes ensure that plants have an adequate supply of water?
    Brad S Ripley
    Botany Department, Rhodes University, P O Box 94, 6140 Grahamstown, South Africa
    Oecologia 139:535-44. 2004
  3. ncbi request reprint Drought constraints on C4 photosynthesis: stomatal and metabolic limitations in C3 and C4 subspecies of Alloteropsis semialata
    Brad S Ripley
    Botany Department, Rhodes University, PO Box 94, Grahamstown 6140, South Africa
    J Exp Bot 58:1351-63. 2007
  4. doi request reprint Consequences of C4 photosynthesis for the partitioning of growth: a test using C3 and C4 subspecies of Alloteropsis semialata under nitrogen-limitation
    Brad S Ripley
    Botany Department, Rhodes University, PO Box 94, Grahamstown 6140, South Africa
    J Exp Bot 59:1705-14. 2008
  5. pmc Differences in drought sensitivities and photosynthetic limitations between co-occurring C3 and C4 (NADP-ME) Panicoid grasses
    Brad Ripley
    Botany Department, Rhodes University, PO Box 94, Grahamstown 6140, South Africa
    Ann Bot 105:493-503. 2010
  6. doi request reprint The growth responses of coastal dune species are determined by nutrient limitation and sand burial
    Matthew Gilbert
    Department of Botany, Rhodes University, Grahamstown 6140, South Africa
    Oecologia 156:169-78. 2008
  7. doi request reprint Biomass reallocation and the mobilization of leaf resources support dune plant growth after sand burial
    Matthew E Gilbert
    Department of Botany, Rhodes University, Grahamstown 6140, South Africa
    Physiol Plant 134:464-72. 2008
  8. doi request reprint Low temperature effects on leaf physiology and survivorship in the C3 and C4 subspecies of Alloteropsis semialata
    Colin P Osborne
    Department of Animal and Plant Sciences, University of Sheffield, Sheffield S10 2TN, UK
    J Exp Bot 59:1743-54. 2008
  9. doi request reprint Seasonal differences in photosynthesis between the C3 and C4 subspecies of Alloteropsis semialata are offset by frost and drought
    Douglas G Ibrahim
    Department of Animal and Plant Sciences, University of Sheffield, Sheffield S10 2TN, UK
    Plant Cell Environ 31:1038-50. 2008

Collaborators

Detail Information

Publications9

  1. doi request reprint Photosynthetic acclimation and resource use by the C3 and C4 subspecies of Alloteropsis semialata in low CO2 atmospheres
    Brad S Ripley
    Botany Department, Rhodes University, PO Box 94, Grahamstown, 6140, South Africa
    Glob Chang Biol 19:900-10. 2013
    ..Results show that the combined effects of low CO2 and resource limitation benefit C4 plants over C3 plants in glacial-interglacial environments, but that this advantage is lessened under anthropogenic conditions...
  2. ncbi request reprint Do low standing biomass and leaf area index of sub-tropical coastal dunes ensure that plants have an adequate supply of water?
    Brad S Ripley
    Botany Department, Rhodes University, P O Box 94, 6140 Grahamstown, South Africa
    Oecologia 139:535-44. 2004
    ..pes-caprae suggest that this species may on occasion be water limited. The results suggest that it is the low biomass and LAI that lead to these favourable water relations...
  3. ncbi request reprint Drought constraints on C4 photosynthesis: stomatal and metabolic limitations in C3 and C4 subspecies of Alloteropsis semialata
    Brad S Ripley
    Botany Department, Rhodes University, PO Box 94, Grahamstown 6140, South Africa
    J Exp Bot 58:1351-63. 2007
    ..The mechanism may explain the paradox of why C4 species decline in arid environments despite high water-use efficiency...
  4. doi request reprint Consequences of C4 photosynthesis for the partitioning of growth: a test using C3 and C4 subspecies of Alloteropsis semialata under nitrogen-limitation
    Brad S Ripley
    Botany Department, Rhodes University, PO Box 94, Grahamstown 6140, South Africa
    J Exp Bot 59:1705-14. 2008
    ....
  5. pmc Differences in drought sensitivities and photosynthetic limitations between co-occurring C3 and C4 (NADP-ME) Panicoid grasses
    Brad Ripley
    Botany Department, Rhodes University, PO Box 94, Grahamstown 6140, South Africa
    Ann Bot 105:493-503. 2010
    ..The aims of this study were to compare the drought and recovery responses of co-occurring C3 and C4 NADP-ME grasses from the subfamily Panicoideae and to determine stomatal and metabolic contributions to the observed response...
  6. doi request reprint The growth responses of coastal dune species are determined by nutrient limitation and sand burial
    Matthew Gilbert
    Department of Botany, Rhodes University, Grahamstown 6140, South Africa
    Oecologia 156:169-78. 2008
    ..The interaction between burial and nutrient limitation is understudied but vital to understanding the zonation of coastal dune plant species...
  7. doi request reprint Biomass reallocation and the mobilization of leaf resources support dune plant growth after sand burial
    Matthew E Gilbert
    Department of Botany, Rhodes University, Grahamstown 6140, South Africa
    Physiol Plant 134:464-72. 2008
    ..Thus, the stimulated growth of species adapted to live on mobile dunes is explained by a number of resource-related and physiological mechanisms acting in concert...
  8. doi request reprint Low temperature effects on leaf physiology and survivorship in the C3 and C4 subspecies of Alloteropsis semialata
    Colin P Osborne
    Department of Animal and Plant Sciences, University of Sheffield, Sheffield S10 2TN, UK
    J Exp Bot 59:1743-54. 2008
    ..These results therefore suggest that C(3) members of this subtropical species may gain an advantage over their C(4) counterparts at low temperatures via protection from freezing injury rather than higher photosynthetic rates...
  9. doi request reprint Seasonal differences in photosynthesis between the C3 and C4 subspecies of Alloteropsis semialata are offset by frost and drought
    Douglas G Ibrahim
    Department of Animal and Plant Sciences, University of Sheffield, Sheffield S10 2TN, UK
    Plant Cell Environ 31:1038-50. 2008
    ..This study highlights previously unrecognized roles for climatic extremes in determining the ecological success of C(3) and C(4) grasses...