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The BOREAS TE-02 team collected several data sets in support of its efforts to characterize and interpret information on the respiration of the foliage, roots, and wood of boreal vegetation. This data set includes means of tree root respiration measurements on roots having diameters ranging from 0 to 2 mm conducted in the NSA during the growing season of 1994.

A guide document which includes more information about this data set can be found at

ORNL DAAC maintains information on the entire BOREAS Project.

Data Citation

Cite this data set as follows:

Ryan, M. G., and M. Lavigne. 1999. BOREAS TE-02 Root Respiration Data. Data set. Available on-line [] from Oak Ridge National Laboratory Distributed Active Archive Center, Oak Ridge, Tennessee, U.S.A. doi:10.3334/ORNLDAAC/316.


Dubois, M., K.A. Gilles, J.K. Hamilton, P.A. Rebers, and F. Smith. 1956. Colorimetric method for determination of sugars and related substances. Anal. Chem. 28: 350-356.

Field, C.B., J.T. Ball, and J.A. Berry. 1991. Photosynthesis: principles and field techniques. In Plant Physiological Ecology, edited by R.W. Pearcy, J. Ehleringer, H.A. Mooney, and P.W. Rundel, Chapman and Hall, London, pp. 206-253.

Lachat Instruments. 1992a. Total Kjeldahl nitrogen in soil/plant. Lachat Instruments, Milwaukee, WI, USA.

Lachat Instruments. 1992b. Total phosphorus in Kjeldahl digests. Lachat Instruments, Milwaukee, WI, USA.

Hubbard, R.M., M.G. Ryan, and D.L. Lukens. 1995. A simple, battery operated, temperature-controlled cuvette for respiration measurements. Tree Physiol., 15, 175-179.

Qi, J., J.D. Marshall, and K.G. Mattson. 1994. High soil carbon dioxide concentrations inhibit root respiration of Douglas fir, New Phytol., 128, 435-442.

Ryan, M.G., M.B. Lavigne, and S.T. Gower. 1999. Annual carbon cost of autotrophic respiration in boreal forest ecosystems in relation to species and climate. JGR, BOREAS Special Issue, v 102, (D24), 28,871-28,883.

Sellers, P. and F. Hall. 1994. Boreal Ecosystem-Atmosphere Study: Experiment Plan. Version 1994-3.0, NASA BOREAS Report (EXPLAN 94).

Sellers, P. and F. Hall. 1996. Boreal Ecosystem-Atmosphere Study: Experiment Plan. Version 1996-2.0, NASA BOREAS Report (EXPLAN 96).

Sellers, P., F. Hall, and K.F. Huemmrich. 1996. Boreal Ecosystem-Atmosphere Study: 1994 Operations. NASA BOREAS Report (OPSDOC 94).

Sellers, P., F. Hall, and K.F. Huemmrich. 1997. Boreal Ecosystem-Atmosphere Study: 1996 Operations. NASA BOREAS Report (OPSDOC 96).

Sellers, P., F. Hall, H. Margolis, B. Kelly, D. Baldocchi, G. den Hartog, J. Cihlar, M.G. Ryan, B. Goodison, P. Crill, K.J. Ranson, D. Lettenmaier, and D.E. Wickland. 1995. The boreal ecosystem-atmosphere study (BOREAS): an overview and early results from the 1994 field year. Bulletin of the American Meteorological Society. 76(9):1549-1577.

Sellers, P.J., F.G. Hall, R.D. Kelly, A. Black, D. Baldocchi, J. Berry, M. Ryan, K.J. Ranson, P.M. Crill, D.P. Lettenmaier, H. Margolis, J. Cihlar, J. Newcomer, D. Fitzjarrald, P.G. Jarvis, S.T. Gower, D. Halliwell, D. Williams, B. Goodison, D.E. Wickland, and F.E. Guertin. 1997. BOREAS in 1997: Experiment overview, scientific results, and future directions. JGR, BOREAS Special Issue, 102 (D24), 28,731-28,769.

Steele, S.J., S.T. Gower, J.G. Vogel, and J.M. Norman. 1997. Root mass, net primary production and turnover in aspen, jack pine and black spruce forests in Saskatchewan and Manitoba, Canada. Tree Phys. 17(8/9): 577-587.

Tissue, D.T. and S.J. Wright. 1995. Effect of seasonal water availability on phenology and the annual shoot carbohydrate cycle of tropical forest shrubs. Funct. Ecol. 9: 518-527.

Data Format:

For information on Parameter/Variable Names, Variable Description/Definition, Units of Measurement, and Data File Format see this companion file

Document Information:

30-Mar-1999 (data citation revised on 24-Sep-2002)

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