Abstract
This chapter represents a case study of seasonal and annual variation in above-ground biomass production in a northern temperate grassland during a 9 year period (1998–2006). I describe the relationship between variation in biomass production and the major environmental factor controlling this variation, precipitation inputs. Annual peak biomass production and leaf δ13C values were negatively correlated, and this relationship was consistent with lower biomass production being predominantly controlled by reduced water availability. Two patterns in the relationship between peak above-ground biomass and annual net ecosystem productivity (NEP) were observed. First, there was a strong linear relationship between biomass and NEP in 4 years when peak leaf area production was held significantly below the maximum by low water availability. Second, among 4 years with similar maximum LAI values, there was wide variation in NEP largely due to differences in the length of time leaf tissue was photosynthetically active. Water availability also had a significant effect on ecosystem respiration because it controlled grassland phenology. The product of plant biomass and soil water content was a good proxy for estimating ecosystem respiration because of relationships with both autotrophic and heterotrophic activities. Seasonal variation in grassland respiration was more strongly linked to carbon substrate availability and soil moisture than to shifts in temperature.
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References
Barr, A.G., Black, T.A., Hogg, E.H., Kljun, N., Morgenstern, K. and Nesic, Z. (2004) Inter-annual variability in the leaf area index of a boreal aspen-hazelnut forest in relation to net ecosystem production. Agric. Forest Meteorol. 126, 237–255.
Beatley, J.C. (1974) Phenological events and their environmental triggers in Mojave desert ecosystems. Ecology 55, 856–863.
Brooks, J.R., Flanagan, L.B., Buchmann, N. and Ehleringer, J.R. (1997) Carbon isotope composition of boreal plants: functional grouping of life forms. Oecologia 110, 301–311.
Chapin, F.S., Matson, P.A. and Mooney, H.A. (2002) Principles of Terrestrial Ecosystem Ecology. Springer, New York.
Churkina, G., Schimel, D., Braswell, B.H. and Xiao, X. (2005) Spatial analysis of growing season length control over net ecosystem exchange. Global Change Biol. 11, 1777–1787.
Ciais, P., Reichstein, M., Viovy, N., Granier, A., Ogee, J., Allard, V., Aubinet, M., Buch-mann, N., Berhofer, Chr., Carrara, A., Chevallier, F., De Noblet, N., Friend, A.D., Friedlingstein, P., Grunwald, T., Heinesch, B., Keronen, P., Knohl, A., Krinner, G., Loustau, D., Manca, G., Matteucci, G., Miglietta, F., Ourcival, J.M., Papale, D., Pile-gaard K., Rambal, S., Seufert, G., Soussana, J.F., Sanz, M.J., Schulze, E-D., Vesala, T. and Valentini, R. (2005) Europe-wide reduction in primary productivity caused by the heat and drought in 2003. Nature 437, 529–533.
Craine, J.W., Wedin, D.A. and Chapin, F.S. (1999) Predominance of ecophysiological controls on soil CO2 flux in a Minnesota grassland. Plant Soil 207, 77–86.
Davidson, E.A. and Janssens, I.A. (2006) Temperature sensitivity of soil carbon decomposition and feedbacks to climate change. Nature 440, 165–173.
Ehleringer, J.R. (1993a) Carbon and water relations in desert plants: an isotopic perspective. In: J.R. Ehleringer, A.E. Hall, G.D. Farquhar (Eds.), Stable Isotopes and Plant Carbon-Water Relations. Academic, San Diego, CA, pp. 155–172.
Ehleringer, J.R. (1993b) Gas-exchange implications of isotopic variation in arid-land plants. In: J.A.C. Smith, H. Griffiths (Eds.), Water Deficits: Plant Responses from Cells to Community. BIOS Scientific Publishers Ltd, Oxford, pp. 265–284.
Farquhar, G.D., Ehleringer, J.R. and Hubick, K.T. (1989) Carbon isotope discrimination and photosynthesis. Annu. Rev. Plant Physiol. Mol. Biol. 40, 503–537.
Farquhar, G.D., O’Leary, M.H. and Berry, J.A. (1982) On the relationship between carbon isotope discrimination and the intercellular carbon dioxide concentration in leaves. Aust. J. Plant Physiol. 9, 121–137.
Farquhar, G.D. and Sharkey, T.D. (1982) Stomatal conductance and photosynthesis. Annu. Rev. Plant Physiol. 33, 317–345.
Flanagan, L.B., Wever, L.A. and Carlson, P.J. (2002) Seasonal and interannual variation in carbon dioxide exchange and carbon balance in a northern temperate grassland. Global Change Biol. 8, 599–615.
Flanagan, L.B. and Johnson, B.G. (2005) Interacting effects of temperature, soil moisture and plant biomass production on ecosystem respiration in a northern temperate grassland. Agric. Forest Meteorol. 130, 237–253.
Frolking, S., Fahnestock, M., Milliman, T., McDonald, K. and Kimball, J. (2005) Interannual variability in North American grassland biomass/productivity detected by SeaWinds scatterometer backscatter. Geophys. Res. Lett. 32, L21409.
Högberg, P., Nordgren, A., Buchmann, N., Taylor, A.F.S., Ekblad, A., Högberg, M.N., Nyberg, G., Ottosson-Löfvenius, M. and Read, D.J. (2001) Large-scale forest girdling shows that current photosynthesis drives soil respiration. Nature 411, 789–792.
Jolly, W.M., Nemani, R. and Running, S.W. (2005) A generalized, bioclimatic index to predict foliar phenology in response to climate. Global Change Biol. 11, 619–632.
Knapp, A.K. and Smith, M.D. (2001) Variation among biomes in temporal dynamics of aboveground primary production. Science 291, 481–484.
Knapp, A.K., Bruns, C.E., Fynn, R.W.S., Kirkman, K.P., Morris, C.D. and Smith, M.D. (2006) Convergence and contingency in production-precipitation relationships in North American and South African C4 grasslands. Oecologia 149, 456–464.
Lloyd, J. and Taylor, J.A. (1994) On the temperature dependence of soil respiration. Funct. Ecol. 8, 315–323.
Ostlie, W.R., Schneider, R.E., Aldrich, J.M., Faust, T.M., McKim, R.L.B. and Chaplin, S.J. (1997) The Status of Biodiversity in the Great Plains. The Nature Conservancy, Arlington, VA.
Ponton, S., Flanagan, L.B., Alstad, K.P., Johnson, B.G., Morgenstern, K., Kljun, N., Black, T.A. and Barr, A.G. (2006) Comparison of ecosystem water-use efficiency among Douglas-fir forest, aspen forest and grassland using eddy covariance and carbon isotope techniques. Global Change Biol. 12, 294–310.
Running, S.W., Thornton, P.E., Nemani, R.R. and Glassy, J.M. (2000) Global terrestrial gross and net primary productivity from the earth observing system. In: O.E. Sala, R.B. Jackson, H.A. Mooney, R.W. Howarth (Eds.), Methods in Ecosystem Science. Springer, New York, pp. 44–57.
Savage, C. (2004) Prairie: a Natural History. Greystone Books, Douglas & McIntyre Publishing Group, Vancouver.
Smedley, M.P., Dawson, T.E., Comstock, J.P., Donovan, L.A., Sherrill, D.E., Cook, C.S. and Ehleringer, J.R. (1991) Seasonal carbon isotope discrimination in a grassland community. Oecologia 85, 314–320.
van Dijk, A.I.J.M., Dolman, A.J. and Schulze, E.-D. (2005) Radiation, temperature, and leaf are explain ecosystem carbon fluxes in boreal and temperate European forests. Global Biogeochem. Cycles 19, GB2029.
van Wijk, M.T., Williams, M., Laundre, J.A. and Shaver, G.R. (2003) Interannual variability of plant phenology in tussock tundra: modeling interactions of plant productivity, plant phenology, snowmelt and soil thaw. Global Change Biol. 9, 743–748.
Wever, L.A., Flanagan, L.B. and Carlson, P.J. (2002) Seasonal and interannual variation in evapotranspiration, energy balance and surface conductance in a northern temperate grassland. Agric. Forest Meteorol. 112, 31–49.
Xu, L., Baldocchi, D.D. and Tang, J. (2004) How soil moisture, rain pulses, and growth alter the response of ecosystem respiration to temperature. Global Biogeochem. Cycles 18, doi: 10.1029/2004GB002281.
Acknowledgements
Financial support was provided by grants from the Natural Sciences and Engineering Research Council of Canada and the University of Lethbridge. Peter Carlson, Chera Emrick, Nicole Geske, Bruce Johnson, Francine May, Ngaire Nix and Linda Wever provided excellent technical assistance. Stewart Rood kindly allowed my associates and I to work on his land.
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Flanagan, L.B. (2009). Phenology of Plant Production in the Northwestern Great Plains: Relationships with Carbon Isotope Discrimination, Net Ecosystem Productivity and Ecosystem Respiration. In: Noormets, A. (eds) Phenology of Ecosystem Processes. Springer, New York, NY. https://doi.org/10.1007/978-1-4419-0026-5_7
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