Water stress tolerance of shrubs in mediterranean-type climate regions: Convergence of fynbos and succulent karoo communities with California shrub communities

American Journal of Botany

Volumn 96, Issue 8, 2009, Pages 1445-1453

  Jacobsen, Anna L ^a   Esler, Karen J ^b   Brandon Pratt, R ^a   Ewers, Frank W ^c  

^a CALIFORNIA STATE UNIVERSITY   (United States)

^b STELLENBOSCH UNIVERSITY   (South Africa)

^c CALIFORNIA STATE POLYTECHNIC UNIVERSITY   (United States)

Author keywords

Cavitation resistance; Chaparral; Dioecious; Fynbos; Mediterranean type climate; Mojave Desert; Succulent karoo; Water relations; Xylem density

Indexed keywords

CHAPARRAL; CLIMATE CHANGE; CONVERGENCE; DROUGHT RESISTANCE; FYNBOS; MEDITERRANEAN ENVIRONMENT; PLANT COMMUNITY; PLANT WATER RELATIONS; SHRUB; WATER STRESS;

AFRICA; CALIFORNIA; MOJAVE DESERT; NORTH AMERICA; SOUTH AFRICA; SOUTHERN AFRICA; SUB-SAHARAN AFRICA; UNITED STATES;

EID: 69249202462     PISSN: 00029122     EISSN: None     Source Type: Journal    
DOI: 10.3732/ajb.0800424     Document Type: Article

References (49)

1. Agenbag, L., K. J. Esler, G. F. Midgley, and C. Boucher. 2008. Diversity and species turnover on an altitudinal gradient in Western Cape, South Africa: baseline data for monitoring range shifts in response to climate change. Bothalia 38: 161-191.
2. Alder, N. N., W. T. Pockman, J. S. Sperry, and S. Nuismer. 1997. Use of centrifugal force in the study of xylem cavitation. Journal of Experimental Botany 48: 665-674.
3. Barbour, M. G., and R. A. Minnich. 1990. The myth of chaparral convergence. Israel Journal of Botany 39: 453-463.
4. Bond, W. J., and K. E. Maze. 1999. Survival costs and reproductive benefits of floral display in a sexually dimorphic dioecious shrub, Leucadendron xanthoconus. Evolutionary Ecology 13: 1-18.
5. Bond, W. J., and J. Midgley. 1988. Allometry and sexual differences in leaf size. American Naturalist 131: 901-910.
6. Brooks, T. M., R. A. Mittermeier, G. A. B. da Fonseca, J. Gerlach, M. Hoffmann, J. F. Lamoreux, C. G. Mittermeier, et al. 2006. Global biodiversity conservation priorities. Science 313: 58-61.
7. Cody, M. L., and H. A. Mooney. 1978. Convergence versus non-convergence in mediterranean-climate ecosystems. Annual Review of Ecology and Systematics 9: 265-321.
8. Correia, O., and M. C. Diaz Barradas. 2000. Ecophysiological differences between male and female plants of Pistacia lentiscus L. Plant Ecology 149: 131-142.
9. Cowling, R. M., F. Ojeda, B. B. Lamont, P. W. Rundel, and R. Lechmere-Oertel. 2005. Rainfall reliability, a neglected factor in explaining convergence and divergence of plant traits in fire-prone mediterranean-climate ecostystems. Global Ecology and Biogeography 14: 509-519.
10. Cowling, R. M., P. W. Rundel, B. B. Lamont, M. K. Arroyo, and M. Arianoutsou. 1996. Plant diversity in mediterranean-climate regions. Trends in Ecology & Evolution 11: 362-366.
11. Davis, S. D., F. W. Ewers, J. Wood, J. J. Reeves, and K. J. Kolb. 1999. Differential susceptibility to xylem cavitation among three pairs of Ceanothus species in the Transverse Mountain Ranges of southern California. Ecoscience 6: 180-186.
12. Dawson, T. E., and L. C. Bliss. 1989. Patterns of water use and the tissue water relations in the dioecious shrub, Salix arctica: The physiological basis for habitat partitioning between the sexes. Oecologia 79: 332-343.
13. Dawson, T. E., and J. R. Ehleringer.1993. Gender-specific physiology, carbon isotope discrimination, and habitat distribution in boxelder, Acer negundo. Ecology 74: 798-815.
14. Esler, K. J., and P. W. Rundel. 1999. Comparative patterns of phenology and growth form diversity in two winter rainfall deserts: The Succulent Karoo and Mojave Desert ecosystems. Plant Ecology 142: 97-104.
15. Ewers, F. W., J. B. Fisher, and S.-T. Chiu. 1990. A survey of vessel dimensions in stems of tropical lianas and other growth forms. Oecologia 84: 544-552.
16. Felsenstein, J. 1985. Phylogenies and the comparative method. American Naturalist 125: 1-15.
17. Hacke, U. G., J. S. Sperry, and J. Pittermann. 2000. Drought experience and cavitation resistance in six shrubs from the Great Basin, Utah. Basic and Applied Ecology 1: 31-41.
18. Hacke, U. G., J. S. Sperry, W. T. Pockman, S. D. Davis, and K. A. McCulloh. 2001. Trends in wood density and structure are linked to prevention of xylem implosion by negative pressure. Oecologia 126: 457-461.
19. Hacke, U. G., J. S. Sperry, J. K. Wheeler, and L. Castro. 2006. Scaling of angiosperm xylem structure with safety and efficiency. Tree Physiology 26: 689-701.
20. Hannah, L., G. Midgley, S. Andelman, M. Araújo, G. Hughes, E. Martinez-Meyer, R. Pearson, and P. Williams. 2007. Protected area needs in a changing climate. Frontiers in Ecology and the Environment 5: 131-138.
21. Hultine, K. R., S. E. Bush, A. G. West, and J. R. Ehleringer. 2007. Population structure, physiology and ecohydrological impacts of dioecious riparian tree species of western North America. Oecologia 154: 85-93.
22. IPCC [Intergovernmental Panel on Climate Change]. 2007. Climate Change 2007: Impacts, adaptation and vulnerability. Contribution of Working Group II to the Fourth Assessment Report of the Intergovernment Panel on Climate Change. M. L. Parry, O. F. Canziani, J. P. Palutikof, P. J. van der Linden, and C. E. Hanson [eds.]. Cambridge University Press, Cambridge, UK.
23. Jacobsen, A. L., L. Agenbag, K. J. Esler, R. B. Pratt, F. W. Ewers, and S. D. Davis. 2007a. Xylem density, biomechanics, and anatomical traits correlate with water stress in seventeen evergreen shrub species of the Mediterranean-type climate region of South Africa. Journal of Ecology 95: 171-183.
24. Jacobsen, A. L., F. W. Ewers, R. B. Pratt, W. A. Paddock III, and S. D. Davis. 2005. Do xylem fibers affect vessel cavitation resistance? Plant Physiology 139: 546-556.
25. Jacobsen, A. L., R. B. Pratt, S. D. Davis, and F. W. Ewers. 2007b. Cavitation resistance and seasonal hydraulics differ among three arid Californian plant communities. Plant, Cell & Environment 30: 1599-1609.
26. Jacobsen, A. L., R. B. Pratt, S. D. Davis, and F. W. Ewers. 2008. Comparative community physiology: non-convergence in water relations among three semi-arid shrub communities. New Phytologist 180: 100-113.
27. Jacobsen, A. L., R. B. Pratt, F. W. Ewers, and S. D. Davis. 2007c. Cavitation resistance among twenty-six chaparral species of southern California. Ecological Monographs 77: 99-115.
28. Keeley, J. E., and W. J. Bond. 1997. Convergent seed germination in South African fynbos and Californian chaparral. Plant Ecology 133: 153-167.
29. Li, Y., J. S. Sperry, H. Taneda, S. E. Bush, and U. G. Hacke. 2008. Evaluation of centrifugal methods for measuring xylem cavitation in conifers, diffuse- and ring-porous angiosperms. New Phytologist 177: 558-568.
30. Lloret, F., D. Siscart, and C. Dalmases. 2004. Canopy recovery after drought dieback in holm-oak Mediterranean forests of Catalonia (NE Spain). Global Change Biology 10: 2092-2099.
31. Lovett, J. C., G. F. Midgley, and P. Barnard. 2005. Climate change and ecology in Africa. African Journal of Ecology 43: 167-169.
32. Maherali, H., W. T. Pockman, and R. B. Jackson. 2004. Adaptive variation in the vulnerability of woody plants to xylem cavitation. Ecology 85: 2184-2199.
33. Martínez-Vilalta, J., E. Pratt, I. Oliveras, and J. Piñol. 2002. Xylem hydraulic properties of roots and stems of nine Mediterranean woody species. Oecologia 133: 19-20.
34. Martins, E. P. 2004. COMPARE, version 4.6b. Computer programs for the statistical analysis of comparative data. Distributed by the author at website http://compare.bio.indiana.edu/. Department of Biology, Indiana University, Bloomington, Indiana, USA.
35. Midgley, G. F., G. O. Hughes, W. Thuiller, and A. G. Rebelo. 2006. Migration rate limitations on climate change-induced range shifts in Cape Proteaceae. Diversity & Distributions 12: 555-562.
36. Midgley, G. F., and F. van der Heyden. 1999. Form and function in perennial plants. In W. R. J. Dean and S. J. Milton [eds.], The Karoo: Ecological patterns and processes, 91-106. Cambridge University Press, Cambridge, UK.
37. Miller, P. C., J. M. Miller, and P. M. Miller. 1983. Seasonal progression of plant water relations in fynbos in the Western Cape Province, South Africa. Oecologia 56: 392-396.
38. Moll, E. J., and J. E. M. Sommerville. 1985. Seasonal xylem pressure potentials of two South African coastal fynbos species in three soil types. South African Journal of Botany 51: 187-193.
39. Paddock, W. A. III. 2006. Adult mortality of chaparral shrubs following severe drought. M.Sc. thesis, Michigan State University, East Lansing, Michigan, USA.
40. Pockman, W. T., and J. S. Sperry. 2000. Vulnerability to xylem cavitation and the distribution of Sonoran Desert vegetation. American Journal of Botany 87: 1287-1299.
41. Rebelo, A. G., C. Boucher, N. Helme, L. Mucina, and M. C. Rutherford. 2006. Fynbos biome. In L. Mucina, and M. Rutherford [eds.] The vegetation of South Africa, Lesotho and Swaziland. Strelitzia 19. South African National Biodiversity Institute, Pretoria, South Africa.
42. Rebelo, T. 2001. Proteas: A field guide to the proteas of southern Africa. Fernwood Press, Vlaeberg, South Africa.
43. Richardson, D. M., and F. J. Kruger. 1990. Water relations and photosynthetic characteristics of selected trees and shrubs of riparian and hillslope habitats in the south-western Cape Province, South Africa. South African Journal of Botany 56: 214-225.
44. Shulze, R. E., and L. A. Perks.2000. Assessment of the impact of climate change on hydrology and water resources in South Africa. Report to South African Country Studies for Climate Change Programme. ACRUcons Report 33. School of Bioresources Engineering and Environmental Hydrology, University of Natal, Pietermaritzburg, South Africa.
45. Smith, R. E., and D. M. Richardson. 1990. Comparative post-fire water relations of selected seeding and resprouting plants in the Jonkershoek Valley, Cape Province, South Africa. South African Journal of Botany 56: 683-694.
46. Sperry, J. S., J. R. Donnelly, and M. T. Tyree.1988. A method for measuring hydraulic conductivity and embolism in xylem. Plant, Cell & Environment 11: 35-40.
47. Swift, C. C., S. M. Jacobs, and K. J. Esler. 2008. Drought induced xylem embolism in four riparian trees from the Western Cape Province: Insights and implications for plant and evaluation of restoration. South African Journal of Botany 74: 508-516.
48. van der Heyden, F., and O. A. M. Lewis. 1989. Seasonal variation in photosynthetic capacity with respect to plant water status of five species of the mediterranean climate region of South Africa. South African Journal of Botany 55: 509-515.
49. Wheeler, J. K., J. S. Sperry, U. G. Hacke, and N. Hoang. 2005. Inter-vessel pitting and cavitation in woody Rosaceae and other vesselled plants: A basis for a safety versus efficiency trade-off in xylem transport. Plant, Cell & Environment 28: 800-812.