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Idaho Stable Isotopes Laboratory
 

Locations

Contact ISIL

Margaret Keefe
Lab Manager
mward@uidaho.edu
Office: (208) 885-6695
Lab: (208) 885-6512
Fax: (208) 885-6564
 
Forest, Rangeland and Fire Sciences
Room 214 College of Natural Resources
875 Perimeter Drive MS 1138
Moscow, ID 83844-1138

Publications

  • Powers, E.M., Marshall, J.D., Zhang, J., and Wei, L. In press. Post-fire management regimes affect carbon sequestration and storage in a Sierra Nevada mixed conifer forest. For. Ecol. Manage.
  • Pinto, J.R., Marshall, J.D., Dumroese, R.K., Davis, A.S., and Cobos, D.R. 2012. Photosynthetic response, carbon isotopic composition, survival, and growth of three stocktypes under water stress enhanced by vegetative competition. Can. J. For. Res. 42:333-344.
  • Koeniger, P., Marshall, J.D., Link, T., and Mulch, A.  2011. An inexpensive, fast, and reliable method for vacuum extraction of soil and plant water for stable isotope analyses by mass spectrometry. Rapid Comm. Mass Spectrom. 20:3041-3048.
  • Berryman, E.M., Marshall, J.D., Rahn, T., Cook, S.P,. and Litvak, M. 2011. Adaptation of continuous-flow cavity ring-down spectroscopy (CRDS) for batch analysis of δ13C of CO2 and comparison to isotope ratio mass spectrometry (IRMS). Rapid Comm. Mass Spectrom. 25:2355-2360.
  • Ubierna, N., and J.D. Marshall. 2011. Estimation of canopy average mesophyll conductance using δ13C of phloem contents. Plant Cell & Environ. 34:1521-1539.
  • Ubierna, N., and J.D. Marshall. 2011. Vertical and seasonal variation in the δ13C; of leaf-respired CO2 in a mixed conifer forest. Tree Physiology 31: 414-427.
  • Powers, E.M., and J.D. Marshall. 2011. Pulse labeling of dissolved 13C-carbonate into tree xylem: developing a new method to determine the fate of recently fixed photosynthate. Rapid Comm. Mass Spectrom. 25:33-40.
  • Koeniger, P., C. Leibundgut, T. Link, J.D. Marshall. 2010. Stable isotopes applied as water tracers in column and field studies. Org. Geochem 41:31-40.
  • Balster, N.J., J.D. Marshall, and M. Clayton. 2009. Coupling tree-ring  δ13C and δ15N; to test the effect of fertilization on mature Douglas-fir (Pseudotsuga menziesii var. glauca) stands across the interior northwest, USA. Tree Physiology 29: 1491–1501.
  • Ubierna, N., A. Kumar, L. Cernusak, R. Pangle, P.J. Gag, and J.D. Marshall 2009. Storage and transpiration have negligible effects on δ13C of stem CO2 efflux in large conifer trees. Tree Physiol. 29: 1563-1574.
  • Cambaliza, O.M., B.A. Harlow, N. Ubierna, G.H. Mount, J.D. Marshall, and R.D. Evans. 2009. Analysis of low-concentration gas samples with continuous-flow IRMS: eliminating sources of contamination to achieve high precision. Rapid Commun. Mass Spectrom. 23:3868-3874.
  • McGuire, M.A., J.D. Marshall, R.O. Teskey. 2009. Assimilation of xylem-transported 13C -labelled CO2 in leaves and branches of sycamore (Platanus occidentalis L.) . J. Exp. Bot. 60:3809-3817.
  • Ubierna, N., J.D. Marshall,  and L. Cernusak. 2009. A new method to measure carbon isotope composition of CO2 respired by trees: stem CO2 equilibration. Funct. Ecol. 23:1050-1058.
  • Kayler, Z.E., E.W. Sulzman, J.D. Marshall, A. Mix, W.D. Rugh, and B.J. Bond. 2008. A laboratory comparison of two methods used to estimate the isotopic composition of soil δ13CO2 efflux at steady state. Rapid Comm. Mass Spectrom. 22:2533-2538.
  • Koeniger, P., J.A. Hubbart, T. Link, J.D. Marshall. 2008. Isotopic variation of snowcover and streamflow in response to changes in canopy structure in a snow-dominated mountain catchment. Hydrological Processes 22:557-566.
  • Marshall, J.D., J.R. Brooks, and K. Lajtha. 2007. Sources of variation in the stable isotope composition of plants. Pages 22-60 in: (R. Michener and K. Lajtha, eds.) Stable isotopes in ecology and environmental science, 2nd ed. Blackwell Publishing, Malden, MA.
  • Cernusak, L.A., K. Winter, J. Aranda, B.L. Turner, and J.D. Marshall.  2007. Transpiration efficiency of a tropical pioneer tree (Ficus insipida) in relation to soil fertility. Journal of Experimental Botany 58:3549-3566.
  • Roth, J.D., J.D. Marshall, D.L. Murray, D.M. Nickerson, and T.D. Steury. 2007. Geographical gradients in diet affect population dynamics of Canada lynx. Ecology 88:2736-2743.
  • Cernusak, L., J. Aranda, J.D. Marshall, and K. Winter. 2007.  Large variation in whole-plant water-use efficiency among tropical tree species.  New Phytologist 173:294-305.
  • Comstedt, D., B. Boström, J. D. Marshall, A. Holm, M. Slaney, S. Linder, and A. Ekblad.  2006.   Effects of elevated atmospheric carbon dioxide and temperature on soil respiration in a boreal forest using δ13C as a labeling tool.  Ecosystems 9:1266-1277.
  • Duursma, R.A., and J.D. Marshall.  2006. Vertical canopy gradients in δ13C correspond with leaf nitrogen content in a mixed-species conifer forest.  Trees: Structure and Function 20:496-506.
  • Marshall, J.D., and R.A. Monserud.  2006.  Co-occurring species differ in tree-ring δ18O trends. Tree Physiology 26:1055-1066.
  • Harlow, B.A., A.P. Robinson, J.D. Marshall. 2006.  A multi-species comparison of δ13C from whole wood, extractive-free wood, and holocellulose.  Tree Physiology 26:767-774.
  • Harlow, B.A, R.A. Duursma, J.D. Marshall.  2005.  Leaf longevity of western red cedar (Thuja plicata) increases with depth in the canopy.  Tree physiology.  25: 635-640.
  • Nippert, J., R.A. Duursma, J.D. Marshall.  2004.  Seasonal variation in photosynthetic capacity of montane conifers.  Funct. Ecol.  18: 876-886.
  • Ocheltree, T.W., Marshall, J.D.  2004.  Apparent respiratory discrimination is correlated with growth rate in the shoot apex of sunflower (Helianthus annuus).  J. Exp. Botany.
  • Chambers, C., J.D. Marshall, R.J. Danehy.  2004.  Nitrogen uptake and turnover in riparian woody vegetation.  Oecologia.  140: 125-134.
  • Duursma, R.A., J.D. Marshall, A.P. Robinson.  2003.  Leaf area index inferred from solar beam transmission in mixed conifer forest on complex terrain.  Ag. For. Meteorol.  118: 221-236.
  • Marshall, J.D., and R.A. Monserud.  2003.  Erratum: Foliage height influences specific leaf area of three conifer species.  Can. J. For. Res.  33:1591.
  • Nippert, J.B., and J.D. Marshall.  2003.  Sources of variation in ecophysiological parameters in Douglas-fir and grand fir canopies. Tree Physiology.  23:591-601.
  • Marshall, J.D., and R.A. Monserud.  2003.  Vertical trends in specific leaf area of three conifer species.  Can. J. For. Res.  33: 164-170.
  • Papanicolaou, A.N., J.F. Fox, and J.D. Marshall.  In press.  Sediment sources fingerprinting in the Palouse river watershed, USA. International J. Sediment Res. 
  • McDowell, N., H. Barnard, B.J. Bond, T. Hinckley, R. Hubbard, H. Ishii, B. Kostner, F.C. Meinzer, J.D. Marshall, F. Magnani, N. Phillips, M.G. Ryan, and D. Whitehead.  2002.  The relationship between tree height and leaf area:sapwood area ratio.  Oecologia.  132: 12-20. 
  • Coble, D.W., K.S. Milner and J.D. Marshall.  2002.  Aspect differences in above- and below-ground carbon allocation: a Montana case-study.  Env. Pollut. 116: S149-S155. 
  • Balster, N.J., A. Covert, L.K. Horne and J.D. Marshall.  2001.  Mini Poplar Ecosystems: A Collaborative Learning Tool in Natural Resources Education.  J. Nat. Resour. Life Sci. Educ.  30:  1-8. 
  • Monserud, R.A. and J.D. Marshall.  2001.  Time-series analysis of δ13C from tree rings.  I.  Time trends and autocorrelation.  Tree Physiology  21:  1087-1102. 
  • Cernusak, L.A. and J.D. Marshall.  2001.   Responses of foliar δ13C, gas exchange and leaf morphology to reduced hydraulic conductivity in Pinus Monticola branches.  Tree Physiology  21:  1215-1222. 
  • McDowell, N.G., N.J. Balster, J.D. Marshall.  2001.  Belowground carbon allocation of Rocky Mountain Douglas-fir.   Can. J. For. Res.  31: 1425-1436. 
  • Marshall, J.D., G.E. Rehfeldt and R.A. Monserud.  2001.  Family differences in height growth and photosynthetic traits in three conifers.  Tree Physiology.  21:  727-734. 
  • Cernusak, L.A., J.D. Marshall, J.P. Comstock and N.J. Balster.  2001. Carbon Isotope Discrimination in Photosynthetic Bark.  Oecologia.  128:  24-35. 
  • Hultine, K.R. and J.D. Marshall.  2001.  A comparison of three methods for determining the stomatal density of pine needles. Journal of Experimental Botany.  52 (355):  369-373. 
  • Coble, D.W., K.S. Milner and J.D. Marshall.  2001.  Above- and below-ground production of trees and other vegetation on contrasting aspects in western Montana: a case study.  Forest Ecology and Management.  142:  231-241. 
  • Balster, N.J. and J.D. Marshall.  2000.  Decreased needle longevity of fertilized Douglas-fir and grand fir in the northern Rockies.  Tree Physiology.  20: 1191-1197. 
  • Cernusak, L.A. and J.D. Marshall.  2000.   Photosynthetic refixation in branches of Western White Pine.  Functional Ecology.  14: 300-311. 
  • Balster, N.J. and J.D. Marshall.  2000.  Eight-year responses of light interception, effective leaf area index, and stemwood production in fertilized stands of interior Douglas-fir (Pseudotsuga menziesii var.glauca).   Can. J. For. Res.  30: 733-743. 
  • Stickrod II, R.D. and J.D. Marshall. 2000.  On-line nitrate-δ15N extracted from groundwater determined by continuous-flow elemental analyzer/isotope ratio mass spectrometry. Rapid Commun. Mass Spectrom. 14: 1266-1268. 
  • Cernusak, L.A., N.G. McDowell, and J.D. Marshall. 2000.  CO2 diffusion in Douglas Fir bark: Implications for measuring woody-tissue respiration with removable cuvettes. Frontiers of Forest Biology. Pt. II: Frontiers of Plant Physiology. 107-113. 
  • McDowell, N.G., J.D. Marshall, T.D. Hooker and R. Musselman. 2000. Estimating CO2 flux from snowpacks at three sites in the Rocky Mountains. Tree Physiol. 20: 745-753. 
  • McDowell, S.C.L., N.G. McDowell, J.D. Marshall and K. Hultine. 2000. Carbon and nitrogen allocation to male and female reproduction in Rocky Mountain Douglas-Fir (Pseudotsuga menziesii var. glauca, Pinaceae). Am. J. Bot.  87 (4): 539-546. 
  • Hultine, K.R. and J.D. Marshall. 2000.  Altitude trends in conifer leaf morphology and stable carbon isotope composition. Oecologia. 123: 32-40.