P. W. Shaffer

发表

Geological and hydrochemical sensitivity of the eastern United States to acid precipitation

Stephen A. Norton, James N. Galloway, George R. Hendrey, 1980 .

Pathway of nitrogen metabolism after fixation of 13N-labeled nitrogen gas by the cyanobacterium, Anabaena cylindrica.

C. Wolk, J. Thomas, C P Wolk, 1976, The Journal of biological chemistry.

Initial Organic Products of Fixation of [ 13 NjDinitrogen by Root Nodules of Soybean ( Glycine max ) I

J. Meeks, C. Wolk, P. W. Shaffer, 2005 .

Pathways of assimilation of [13N]N2 and 13NH4+ by cyanobacteria with and without heterocysts

W. Lockau, J. Meeks, C. Wolk, 1978, Journal of bacteriology.

Comparison of Hydrology of Wetlands in Pennsylvania and Oregon (USA) as an Indicator of Transferability of Hydrogeomorphic (HGM) Functional Models Between Regions

R. Brooks, M. Kentula, C. Cole, 2002, Environmental management.

Regional characteristics of land use in Northeast and Southern Blue Ridge Province: Associations with acid rain effects on surface-water chemistry

D. Stevens, D. Cassell, P. W. Shaffer, 1991 .

The pathways of assimilation of 13NH4+ by the cyanobacterium, Anabaena cylindrica.

W. Lockau, J. Meeks, C. Wolk, 1977, The Journal of biological chemistry.

Potential future effects of current levels of sulfur deposition on stream chemistry in the southern blue ridge mountains, U.S.

K. N. Eshleman, M. Church, P. W. Shaffer, 1990 .

Terrestrial and In-Lake Contributions to Alkalinity Budgets of Drainage Lakes: An Assessment of Regional Differences

M. Church, P. W. Shaffer, P. Shaffer, 1989 .

Distribution of soil organic matter in freshwater emergent/open water wetlands in the Portland, Oregon metropolitan area

Ted L. Ernst, P. W. Shaffer, P. Shaffer, 1999, Wetlands.

Direct/delayed response project: Future effects of long-term sulfur deposition on surface water chemistry in the northeast and southern Blue Ridge Province. Volume 4. Appendices

K. Thornton, D. Stevens, M. Church, 1989 .

Characterization of wetland hydrology using hydrogeomorphic classification

Mary E. Kentula, M. Kentula, P. W. Shaffer, 1999, Wetlands.

The initial organic products of fixation of 13N-labeled nitrogen gas by the blue-green alga Anabaena cylindrica.

C. Wolk, J. Thomas, P. W. Shaffer, 1975, Biochemical and biophysical research communications.

Initial Organic Products of Fixation of [N]Dinitrogen by Root Nodules of Soybean (Glycine max).

J. Meeks, C. Wolk, P. W. Shaffer, 1978, Plant physiology.

Formation of glutamine from [13n]ammonia, [13n]dinitrogen, and [14C]glutamate by heterocysts isolated from Anabaena cylindrica

J. Meeks, C. Wolk, J. Thomas, 1977, Journal of bacteriology.

Heterotrophic micro- and macrocultures of a nitrogen-fixing cyanobacterium

P. W. Shaffer, C. Peter Wolk, P. Shaffer, 1976, Archives of Microbiology.

Formation of glutamine from (/sup 13/N)ammonia, (/sup 13/N)dinitrogen, and (/sup 14/C)glutamate by heterocysts isolated from Anabaena cylindrica

J. Meeks, C. Wolk, J. Thomas, 1977 .

Initial organic products of assimilation of [N]ammonium and [N]nitrate by tobacco cells cultured on different sources of nitrogen.

J. Meeks, C. Wolk, P. W. Shaffer, 1978, Plant physiology.

Evaluating the effects of wetland regulation through hydrogeomorphic classification and landscape profiles

Mary E. Kentula, Stephanie E. Gwin, M. Kentula, 1999, Wetlands.

Direct/delayed response project: Future effects of long-term sulfur deposition on surface water chemistry in the northeast and southern Blue Ridge province. Volume 3. Level 3 analyses and summary of results

K. Thornton, D. Stevens, M. Church, 1989 .