Response to elevated co2 from a natural spring in a c4-dominated grassland depends on seasonal phenology

African Journal of Range and Forage Science

Volumn 19, Issue 2, 2002, Pages 81-91

  Wand, S J E ^a   Midgley, G F ^b   Stock, W D ^c  

^a STELLENBOSCH UNIVERSITY   (South Africa)

^b SOUTH AFRICAN NATIONAL BIODIVERSITY INSTITUTE   (South Africa)

^c UNIVERSITY OF CAPE TOWN   (South Africa)

Author keywords

Climate change; Gas exchange; Photosynthetic regulation; Stomatal conductance

Indexed keywords

ALLOTEROPSIS; ANDROPOGON; ERAGROSTIS; THEMEDA; THEMEDA TRIANDRA;

EID: 0036822170     PISSN: 10220119     EISSN: 17279380     Source Type: Journal    
DOI: 10.2989/10220110209485779     Document Type: Article

References (31)

1. Atkin OK, Schortemeyer M, McFarlane N and Evans JR 1999. The response of fast-and slow-growing Acacia species to elevated atmospheric CO2: an analysis of the underlying components of relative growth rate. Oecologia 120: 544-554.
2. Bazzaz FA and Miao SL 1993. Successional status, seed size, and responses of tree seedlings to CO2, light, and nutrients. Ecology 74: 104-112.
3. Oauston DR and Dale MP 1990. The monomolecular and rectangular hyperbola as empirical models of the response of photosynthetic rate to photon flux density, with applications to three Veronica species. Annals of Botany 65: 389-394.
4. Cook AO, Tissue DT, Roberts SW and Oechel WO 1998. Effects of long-term elevated [CO2] from natural CO2 springs on Nardus stricta: photosynthesis, biochemistry, growth and phenology. Plant, Cell and Environment 21: 417-425.
5. Ehleringer JR, Oerling TE and Helliker BR 1997. C4 photosynthesis, atmospheric CO2, and climate. Oecologia 112: 285-299.
6. Field OB, Ohapin III FS, Ohiariello NR, Holland EAand Mooney HA 1996. The Jasper Ridge CO2 experiment: design and motivation. In: GW Koch and HA Mooney (eds) Carbon Dioxide and Terrestrial Ecosystems. Academic Press, San Diego, pp 121-145.
7. Field CB, Lund CP, Chiariello NR and Mortimer BE 1997. CO2 effects on the water budget of grassland microcosm communities. Global Change Biology 3: 197-206.
8. Gevers TW 1941. Carbon dioxide springs and exhalations in northern Pondoland and Alfred County, Natal. Transactions of the Geological Society of South Africa 44: 233-301.
9. Ghannoum O, von Caemmerer S, Ziska LH and Conroy JP 2000. The growth response of C4 plants to rising atmospheric CO2 partial pressure: a reassessment. Plant, Cell and Environment 23: 931-942.
10. Harris C, Stock WD and Lanham J 1997. Stable isotope constraints on the origin of CO2 gas exhalations at Bongwan, Natal. South African Journal of Geology 100: 261-266.
11. Jackson RB, Sala OE, Field CB and Mooney HA 1994. CO2 alters water use, carbon gain, and yield for the dominant species in a natural grassland. Oecologia 98: 257-262.
12. Koch GW and Mooney HA (eds) 1996. Carbon Dioxide and Terrestrial Ecosystems. Academic Press, San Diego.
13. Körner Ch 1995. Towards a better experimental basis for upscaling plant responses to elevated CO2 and climate warming. Plant, Cell and Environment 18: 1101-1110.
14. Körner Ch and Miglietta F 1994. Long term effects of naturally elevated CO2 on mediterranean grassland and forest trees. Oecologia 99: 343-351.
15. Lechowicz MJ and Koike T 1995. Phenology and seasonality of woody plants: An unappreciated element in global change research? Canadian Journal of Botany 73: 147-148.
16. Loehle C 1995. Anomalous responses of plants to CO2 enrichment. Oikos 73: 181-187.
17. Ludwig F 1996. Long-term effects of elevated atmospheric CO2 concentrations on a South African grassland. Research report submitted in fulfilment of the requirements for the undergraduate degree in Environmental Biology, Utrecht University, The Netherlands.
18. Marino BD and McElroy MB 1991. Isotopic composition of atmospheric CO2 inferred from carbon in plant cellulose. Nature 349: 127-131.
19. Miglietta F, Badiani M, Bettarini I, Van Gardingen P, Selvi F and Raschi A 1995. Preliminary studies of the long-term CO2 response of Mediterranean vegetation around natural CO2 vents. In: JM Moreno and WC Oechel (eds) Global Change and Mediterranean-type Ecosystems. Springer Verlag, New York, pp 102-120.
20. Morse SR and Bazzaz FA 1994. Elevated CO2 and temperature alter recruitment and size hierarchies in C3 and C4 annuals. Ecology 75: 966-975.
21. Navas M-L 1998. Individual species performance and response of multi-specific communities to elevated CO2: a review. Functional Ecology 12: 721-727.
22. Newton PCD, Bell CC and Clark H 1996. Carbon dioxide emissions from mineral springs in Northland and the potential of these sites for studying the effects of elevated carbon dioxide on pastures. New Zealand Journal of Agricultural Research 39: 33-40.
23. Owensby CE, Ham JM, Knapp AK, Bremer D and Auen LM 1997. Water vapour fluxes and their impact under elevated CO2 in a C4-tallgrass prairie. Global Change Biology 3: 189-195.
24. Poorter H, Roumet C and Campbell BD 1996. Interspecific variation in the growth response of plants to elevated CO2: a search for functional types. In: CH Körner and FA Bazzaz (eds) Carbon Dioxide, Populations, and Communities. Academic Press, San Diego, pp 375-412.
25. Potvin C and Vasseur L 1997. Long-term CO2 enrichment of a pasture community: species richness, dominance, and succession. Ecology 78: 666-677.
26. Raschi A, Miglietta F, Tognetti R and Van Gardingen P (eds) 1997. Plant Responses to Elevated CO2: Evidence from Natural Springs. Cambridge University Press, New York.
27. Reekie EG and Bazzaz FA 1991. Phenology and growth in four annual species grown in ambient and elevated CO2. Canadian Journal of Botany 69: 2475-2481.
28. Stocker R, Leadley PW and Körner Ch 1997. Carbon and water fluxes in a calcareous grassland under elevated CO2. Functional Ecology 11: 222-230.
29. Wand SJE 1999. Ecophysiological Responses of Themeda triandra Forsk and other Southern African C4 Grass Species to Increases in Atmospheric CO2 Concentrations. PhD thesis, University of Cape Town, South Africa.
30. Wand SJE, Midgley GF, Jones MH and Curtis PS 1999. Responses of wild C4 and C3 grass (Poaceae) species to elevated atmospheric CO2 concentration: a meta-analytic test of current theories and perceptions. Global Change Biology 5: 723-741.
31. Wand SJE, Midgley GF and Stock WD 2001. Growth responses to elevated CO2 in NADP-ME, NAD-ME and PCK C4 grasses and a C3 grass from South Africa. Australian Journal of Plant Physiology 28: 13-25.