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Dr. Alan K. Knapp
Phone: 970-491-7011 Email: aknapp@lamar.colostate.edu Address: Department of Biology, Colorado State University, Fort Collins, CO 80523 Interests: Plant Water Relations, Photosynthesis, Net Primary Production Personnel Home Page: Publication
1.
Morisette, J.T., A.D. Richardson, A.K. Knapp, J.I. Fisher, E.A. Graham, J. Abatzoglou, B.E. Wilson, D.D. Breshears, G.M. Henebry, J.M. Hanes, and L. Liang. 2009. Learning the rhythm of the seasons in the face of global change: phenological research in the 21st Century.
Frontiers in Ecology and the Environment 7:
253-
260.
2.
Knapp, A.K., C. Beier, D.D. Briske, A.T. Classen, Y. Luo, M. Reichstein, M.D. Smith, S.D. Smith, J.E. Bell, P.A. Fay, J.L. Heisler, S.W Leavitt, R. Sherry, B. Smith and E. Weng. 2008. Consequences of more extreme precipitation regimes for terrestrial ecosystems.
BioScience 58:
811-
821.
3.
Knapp, A.K., J.M. Briggs, S.L. Collins, S.R. Archer, M.S. Bret-Harte, B.E.
Ewers, D.P. Peters, D.R. Young, G.R. Shaver, E. Pendall, and M.B.
Cleary. 2008. Shrub encroachment in North American grasslands:
Shifts in growth form dominance rapidly alters control of ecosystem
carbon inputs.
Global Change Biology 14:
615-
623.
4.
Heisler, J.L. and A.K. Knapp. 2008. Temporal coherence of aboveground net primary productivity in mesic grasslands.
Ecography 31:
408-
416.
5.
Gerten, D, Y. Luo, G. Le Maire, W.J. Parton, C. Keough, E. Weng, C. Beier, P. Ciais, W. Cramer, J.S. Dukes, B. Emmett, P.J. Hanson, A. Knapp, S. Linder, D. Nepstad, L. Rustad and A. Sowerby. 2008. Modeled effects of precipitation on ecosystem carbon and water dynamics in different climatic zones.
Global Change Biology 14:
1-
15.
6.
Luo, Y., D. Gerten, G. le Maire, W.J. Parton, E. Weng, X. Zhou, C. Keough, C. Beier, P. Ciais, W. Cramer, J.S. Dukes, B. Emmett, P.J. Hanson, A. Knapp, S. Linder, D. Nepstad, and L. Rustad. 2008. Modeled interactive effects of precipitation, temperature, and [CO2] on ecosystem carbon and water dynamics in different climatic zones.
Global Change Biology 14:
1986-
1999.
7.
Swemmer, A.M. and A.K. Knapp. 2008. Defoliation synchronizes above-ground growth of co-occurring C4 grass species.
Ecology 89:
2860-
2867.
8.
Hutchinson, S.L., J.K. Koelliker and A.K. Knapp. 2008. Development of water usage coefficients for the fully-watered tallgrass prairie.
Transactions of the American Society of Agricultural Engineers 51:
153-
159.
9.
Knapp A.K., J.K. McCarron, A.M. Silletti, G.A. Hoch, J.L. Heisler, M.S. Lett, J.M. Blair, J.M. Briggs and M.D. Smith.. 2008. Ecological consequences of the replacement of native grassland by Juniperus virginiana and other woody plants.
Ecological Studies Vol. 196, Western North American Juniperus communities: A dynamic vegetation type 156-
169.
10.
Nippert, J.B., and A.K. Knapp. 2007. Soil water partitioning contributes to species coexistence in tallgrass prairie.
Oikos 116:
1017-
1029.
11.
Nippert, J.B., P.A. Fay and A.K. Knapp. 2007. Photosynthetic traits in C3 and C4 grassland species in mesocosm and field environments.
Environmental and Experimental Botany 60:
412-
420.
12.
Nippert, J.B., and A.K. Knapp. 2007. Linking water uptake with rooting patterns in grassland species.
Oecologia 153:
261-
272.
13.
Swemmer, A.M., A.K. Knapp and H.A. Snyman. 2007. Intra-seasonal precipitation patterns and aboveground productivity in three perennial grasslands.
Journal of Ecology 95:
780-
788.
14.
Fahey, T.J. and A.K. Knapp. 2007. Principles and Standards for Measuring Net Primary Production.
15.
Fahey, T.J. and A.K. Knapp. 2007. Primary production: Guiding principles and standards for measurement.
Principles and Standards for Measuring Net Primary Production 3-
11.
16.
Knapp, A.K., J. M. Briggs, D. L. Childers and O. E. Sala. 2007. Estimating aboveground net primary production in grassland and herbaceous dominated ecosystems.
Principles and Standards for Measuring Net Primary Production 27-
48.
17.
Travers, S.E., M.D. Smith, J. Bai, S.H. Hulbert, J.E. Leach, P.S. Schnable, A.K. Knapp, G.A. Milliken, P.A. Fay, A. Saleh and K.A. Garrett. 2007. Ecological genomics: making the leap from model systems in the lab to native populations in the field. Frontiers in Ecology and the Environment.
Frontiers in Ecology and the Environment 5:
19-
24.
18.
Heisler, J.L., A.K. Knapp, and J.M. Briggs. 2007. Fire and resource availability influence carbon and water relations of the C3 shrub Cornus drummondii in a mesic grassland.
Proceedings of the 23rd Tall Timbers Fire Ecology Conference: Fire in Grassland and Shrubland Ecosystems 86-
93.
19.
Swemmer, A.M., A.K. Knapp and M.D. Smith. 2006. Growth responses of two
dominant C4 grass species to altered water availability.
International
Journal of Plant Sciences 167:
1001-
1010.
20.
Knapp, A.K., C.E. Burns, R.W.S. Fynn, K.P. Kirkman, C.D. Morris and M.D. Smith. 2006. Convergence and contingency in production-precipitation relationships in North American and South African C4 grasslands.
Oecologia 149:
456-
464.
21.
Nippert, J. B., A. K. Knapp, and J. M. Briggs. 2006. Intra-annual rainfall
variability and grassland productivity: can the past predict
the future.
Plant Ecology 184:
65-
74.
22.
Carter, G. A., A. K. Knapp, J. E. Anderson, G. A. Hoch and M. D. Smith. 2005. Indicators of plant species richness in AVIRIS spectra of a mesic grassland.
Remote Sensing of Environment 98:
304-
316.
23.
McCulley, R. L., I. C. Burke, J. A. Nelson, W. K. Lauenroth, A. K. Knapp and E. F. Kelly. 2005. Regional patterns in carbon cycling across the Great Plains of North America.
Ecosystems 8:
106-
121.
24.
Harper, C. W., J. M. Blair, P. A. Fay, A. K. Knapp, and J. D. Carlisle. 2005. Increased rainfall variability and reduced rainfall amount decreases soil CO2 flux in a grassland ecosystem.
Global Change Biology 11:
322-
344.
25.
Lett, M. S., and A. K. Knapp. 2005. Woody plant encroachment and removal in mesic grassland: production and composition responses of herbaceous vegetation.
American Midland Naturalist 153:
217-
231.
26.
Briggs, J.M., A.K. Knapp, J.M. Blair, J.L. Heisler, G.A. Hoch, M.S. Lett and J.K. McCarron. 2005. An ecosystem in transition: causes and consequences of the conversion of mesic grassland to shrubland.
BioScience 55:
243-
254.
27.
Baer, S. G., S. L. Collins, J. M. Blair, A. Fiedler and A. K. Knapp. 2005. Soil heterogeneity effects on tallgrass prairie community heterogeneity: an
application of ecological theory to restoration ecology.
Restoration Ecology 13:
413-
424.
28.
Knapp, A. K., M. D. Smith, S. L. Collins, N. Zambatis, M. Peel, S. Emery, J. Wojdak, M. C. Horner-Devine, H. Biggs, J. Kruger and S. J. Andelman. 2004. Generality in ecology: testing North American grassland rules in South African savannas.
Frontiers in Ecology and the Environment 9:
483-
491.
29.
Silletti, A. M., A. K. Knapp, and J. M. Blair. 2004. Competition and coexistence in grassland co-dominants: responses to neighbor removal and resource availability.
Canadian Journal of Botany 82:
450-
460.
30.
Smith, M. D., J. Wilcox, T. Kelly, and A. K. Knapp. 2004. Dominance not diversity determines invasibility of tallgrass prairie.
Oikos 106:
253-
262.
31.
Huxman, T. E., M. D. Smith, P. A. Fay, A. K. Knapp, M. R. Shaw, M. E. Loik, S. D. Smith, D. T. Tissue, J. C. Zak, J. F. Weltzin, W. T. Pockman, O. E. Sala, B. M. Haddad, J. Harte, G. W. Koch, S. Schwinning, E. E. Small and D. G. Williams. 2004. Convergence across biomes to a common rain-use efficiency.
Nature 429:
651-
654.
32.
Morgan. J. A., D. E. Pataki, C. Korner H. Clark, S. J. Del Grosso, J. M. Grunzweig, A. K. Knapp, A. R. Mosier, P. C. D. Newton, P. A. Niklaus, J. B. Nippert, R. S. Nowak, W. J. Parton, H. W. Polley, and M. R. Shaw. 2004. Water relations in grassland and desert ecosystems exposed to elevated atmospheric CO2.
Oecologia 140:
11-
25.
33.
Baer, S. G., J. M. Blair, S. L. Collins, and A. K. Knapp. 2004. Plant community responses to resource availability and heterogeneity during restoration.
Oecologia 139:
617-
629.
34.
Heisler, J. L., J. M. Briggs, A. K. Knapp, J. M. Blair, and A. Seery.. 2004. Direct and indirect effects of fire on shrub density and aboveground productivity in a mesic grassland.
Ecology 85:
2245-
2257.
35.
Lett, M. S., A. K. Knapp, J. M. Briggs, and J. M. Blair. 2004. Influence of shrub encroachment on aboveground net primary productivity and carbon and nitrogen pools in a mesic grassland.
Canadian Journal of Botany 82:
1363-
1370.
36.
McCarron, J. K., A. K. Knapp, and J. M. Blair. 2003. Soil C and N responses to woody plant expansion in a mesic grassland.
Plant and Soil 257:
183-
192.
37.
Fay, P. A., J. D. Carlisle, A. K. Knapp, J. M. Blair, and S. L. Collins. 2003. Productivity responses to altered rainfall patterns in a C4-dominated grassland.
Oecologia 137:
245-
251.
38.
McCarron, J. K., and A. K. Knapp. 2003. C3 shrub expansion in a C4 grassland: positive post-fire responses in resources and shoot growth.
American Journal of Botany 90:
1496-
1501.
39.
Smith, M. D., and A. K. Knapp. 2003. Dominant species maintain ecosystem function with non-random species loss.
Ecology Letters 6:
509-
517.
40.
Bakker, C., J. M. Blair, and A. K. Knapp. 2003. A comparative assessment of potential mechanisms influencing plant species richness in grazed grasslands.
Oecologia 137:
385-
391.
41.
Weltzin, J. F., M. E. Loik, S. Schwinning, D. G. Williams, P. Fay, B. Haddad, J. Harte, T. E. Huxman, A. K. Knapp, G. Lin, W. T. Pockman, M. R. Shaw, E. Small, M. D. Smith, D. T. Tissue, and J. C. Zak. 2003. Assessing the response of terrestrial ecosystems to potential changes in precipitation.
BioScience 53:
941-
952.
42.
Quist, M. C., P. A. Fay, C. S. Guy, A. K. Knapp, and B. N. Rubenstein. 2003. The influence of disturbance from military training activities on terrestrial-aquatic linkages in a tallgrass prairie ecosystem.
Ecological Applications 13:
432-
442.
43.
Baer, S. G., J. M. Blair, A. K. Knapp, and S. L. Collins. 2003. Soil resources regulate productivity and diversity in newly established tallgrass prairie.
Ecology 84:
724-
735.
44.
Heisler, J. L, J. M. Briggs, and A. K. Knapp. 2003. Long-term patterns of shrub expansion in a C4-dominated grassland: fire frequency and the dynamics of shrub cover and abundance.
American Journal of Botany 90:
423-
428.
45.
Lett, M. S., and A. K. Knapp. 2003. Consequences of shrub expansion in mesic grassland: resource alterations and graminoid responses.
Journal of Vegetation Science 14:
487-
496.
46.
Danner, B. T., and A. K. Knapp. 2003. Abiotic constraints on the establishment of Quercus seedlings in grasslands.
Global Change Biology 9:
266-
275.
47.
Foster, D., F. Swanson, J., Aber, I. Burke, N. Brokaw, D. Tilman, and A. Knapp. 2003. The importance of land-use legacies to ecology and conservation.
BioScience 53:
77-
88.
48.
Fay, P. A., A. K. Knapp, J. M. Blair, J. D. Carlisle, B. T. Danner, and J. K. McCarron. 2003. Rainfall timing, soil moisture dynamics, and plant responses in a mesic tallgrass prairie ecosystem.
Precipitation Regimes and Terrestrial Ecosystems. A North American Perspective 147-
163.
49.
Silletti, A. M., and A. K. Knapp. 2002. Long-term responses of the grassland co-dominants Andropogon gerardii and Sorghastrum nutans to changes in climate and management.
Plant Ecology 163:
15-
22.
50.
Knapp, A. K., P. A. Fay, J. M. Blair, S. L. Collins, M. D. Smith, J. D. Carlisle, C. W. Harper, B. T. Danner, M. S. Lett, and J. K. McCarron. 2002. Rainfall variability, carbon cycling and plant species diversity in a mesic grassland.
Science 298:
2202-
2205.
51.
Briggs, J. M., A. K. Knapp, and B. L. Brock. 2002. Expansion of woody plants in tallgrass prairie: a 15 year study of fire and fire-grazing interactions.
The American Midland Naturalist 147:
287-
294.
52.
Fay, P. A., J. D. Carlisle, B. T. Danner, M. S. Lett, J. K. McCarron, C. Stewart, A. K. Knapp, J. M. Blair, and S. L. Collins. 2002. Altered rainfall patterns, gas exchange and growth in C3 and C4 grassland species.
International Journal of Plant Sciences 163:
549-
557.
53.
van der Hoek, D. C. J., A. K. Knapp, J. M. Briggs, and J. Bokdam. 2002. White-tailed deer browsing on six shrub species of tallgrass prairie.
Great Plains Research 12:
141-
156.
54.
Danner, B. T., and A. K. Knapp. 2001. Carbon and water relations of juvenile Quercus species in tallgrass prairie.
Journal of Vegetation Science 12:
807-
816.
55.
Briggs, J. M., and A. K. Knapp. 2001. Determinants of C3 forb growth and production in a C4 dominated grassland.
Plant Ecology 152:
93-
100.
56.
Carter, G. A., and A. K. Knapp. 2001. Leaf optical properties in higher plants: linking spectral characteristics to stress and chlorophyll concentration.
American Journal of Botany 88:
677-
684.
57.
Danner, B. T., and A. K. Knapp. 2001. Growth dynamics of gallery forest oak seedlings (Quercus macrocarpa Michx. and Quercus muhlenbergii Engelm.) from gallery forests: implications for forest expansion into grasslands.
Trees 15:
271-
277.
58.
Knapp, A. K., J. M. Briggs, and J. K. Koelliker. 2001. Frequency and extent of water limitation to primary production in a mesic temperate grassland.
Ecosystems 4:
19-
28.
59.
Knapp, A. K., and M. D. Smith. 2001. Variation among biomes in temporal dynamics of aboveground primary production.
Science 291:
481-
484.
60.
McCarron, J. K., and A. K. Knapp. 2001. C3 woody plant expansion in a C4 grassland: are grasses and shrubs functionally distinct?.
American Journal of Botany 88:
1818-
1823.
61.
Silletti, A. M., and A. K. Knapp. 2001. Responses of the co-dominant grassland species Andropogon gerardii and Sorghastrum nutans to long-term manipulations of nitrogen and water.
American Midland Naturalist 145:
159-
167.
62.
Smith, M. D., and A. K. Knapp. 2001. Physiological and morphological traits of exotic, invasive exotic, and native plant species in tallgrass prairie.
International Journal of Plant Sciences 162:
785-
792.
63.
Smith, M. D., and A. K. Knapp. 2001. Size of the local species pool determines invasibility of a C4-dominated grassland.
Oikos 92:
55-
61.
64.
Fay, P. A., J. D. Carlisle, A. K. Knapp, J. M. Blair, and S. L. Collins. 2000. Altering rainfall timing and quantity in a mesic grassland ecosystem: Design and performance of rainfall manipulation shelters.
Ecosystems 3:
308-
319.
65.
Blair, J. M., S. L. Collins, and A. K. Knapp. 2000. Ecosystems as functional units in nature.
Natural Resources and Environment 14:
150-
155.
66.
Maragni, L. A., A. K. Knapp, and C. A. McAllister. 2000. Patterns and determinants of potential carbon gain in the C3 evergreen Yucca glauca (Liliaceae) in a C4 grassland.
American Journal of Botany 87:
230-
236.
67.
Baer, S. G., J. M. Blair, and A. K. Knapp. 1999. Manipulation of soil resource heterogeneity in a tallgrass prairie restoration.
Proceedings of the Sixteenth North American Prairie Conference 78-
87.
68.
Knapp, A. K., N. Bargman, N., L. A. Maragni, C. A. McAllister, D. J. Bremer, J. M. Ham, and C. E. Owensby. 1999. Elevated CO2 and leaf longevity in the C4 grassland dominant Andropogon gerardii.
International Journal of Plant Sciences 160:
1057-
1061.
69.
Knapp, A. K., J. M. Blair, J. M. Briggs, S. L. Collins, D. C. Hartnett, L. C. Johnson, and E. G. Towne. 1999. The keystone role of bison in North American tallgrass prairie.
BioScience 49:
39-
50.
70.
Knapp, A. K., and E. Medina. 1999. Success of C4 photosynthesis in the field: lessons from communities dominated by C4 plants.
C4 Plant Biology 251-
283.
71.
Owensby, C. E., J. M. Ham, A. K. Knapp, and L. M. Auen. 1999. Biomass production and species composition change in a tallgrass prairie ecosystem after long-term exposure to elevated atmospheric CO2.
Global Change Biology 5:
497-
506.
72.
Smith, M. D., and A. K. Knapp. 1999. Exotic plant species in a C4-dominated grassland: Invasibility, disturbance and community structure.
Oecologia 120:
605-
612.
73.
Bremer, D. J., J. M. Ham, C. E. Owensby, and A. K. Knapp. 1998. Responses of soil respiration to clipping and grazing in a tallgrass prairie.
Journal of Environmental Quality 27:
1539-
1548.
74.
Collins, S. L., A. K. Knapp, J. M. Briggs, J. M. Blair, and E. M. Steinauer. 1998. Modulation of diversity by grazing and mowing in native tallgrass prairie.
Science 280:
745-
747.
75.
Collins, S. L., A. K. Knapp, D. C. Hartnett, and J. M. Briggs. 1998. The dynamic tallgrass prairie: Synthesis and research opportunities.
Grassland Dynamics: Long-Term Ecological Research in Tallgrass Prairie 301-
315.
76.
Fay, P. A., and A. K. Knapp. 1998. Responses to short-term shade in soybean leaves: Effects of leaf position and drought stress.
International Journal of Plant Science 159:
805-
811.
77.
Ham, J. M., and A. K. Knapp. 1998. Fluxes of CO2, water vapor, and energy from a prairie ecosystem during the seasonal transition from carbon sink to carbon source.
Agricultural and Forest Meteorology 89:
1-
14.
78.
Knapp, A. K., J. M. Blair, and J. M. Briggs. 1998. Long-term ecological consequences of varying fire frequency in a humid grassland.
Fire in Ecosystem Management: Shifting The Paradigm From Suppression to Prescription 173-
178.
79.
Knapp, A. K., J. M. Briggs, J. M. Blair, and C. L. Turner. 1998. Patterns and controls of aboveground net primary production in tallgrass prairie.
Grassland Dynamics: Long-Term Ecological Research in Tallgrass Prairie 193-
221.
80.
Knapp, A. K., and T. R. Seastedt. 1998. Grasslands, Konza Prairie and long-term ecological Research.
Grassland Dynamics: Long-Term Ecological Research in Tallgrass Prairie 3-
15.
81.
Knapp, A. K., and G. A. Carter. 1998. Variability in leaf optical properties among 26 species from a broad range of habitats.
American Journal of Botany 85:
940-
946.
82.
Knapp, A. K., S. L. Conard, and J. M. Blair. 1998. Determinants of soil CO2 flux from a sub-humid grassland: Effect of fire and fire history.
Ecological Applications 8:
760-
770.
83.
McAllister, C. A., A. K. Knapp, and L. A. Maragni. 1998. Is leaf-level photosynthesis related to plant success in a highly productive grassland?.
Oecologia 117:
40-
46.
84.
Seastedt, T. R., B. P. Hayden, C. E. Owensby, and A. K. Knapp. 1998. Climate change, elevated CO2 and predictive modeling: Past and future climate change scenarios for the tallgrass prairie.
Grassland Dynamics: Long-Term Ecological Research in Tallgrass Prairie 283-
300.
85.
Yavitt, J. B., and A. K. Knapp. 1998. Aspects of methane flow from sediment through emergent cattail (Typha latifolia) plants.
New Phytologist 139:
495-
503.
86.
Knapp, A. K., J. M. Briggs, D. C. Hartnett and S. L. Collins . 1998. Grassland Dynamics: Long-Term Ecological Research in Tallgrass Prairie.
87.
Hamerlynck, E. P., C. A. McAllister, A. K. Knapp, J. M. Ham, and C. E. Owensby. 1997. Photosynthetic gas exchange and water relations responses of three tallgrass prairie species to elevated carbon dioxide and moderate drought.
International Journal of Plant Science 158:
608-
616.
88.
Knapp, A. K., and P. A. Fay. 1997. Plant strategies for coping with variable light regimes.
Mechanisms of Environmental Stress Resistance in Plants 191-
212.
89.
Owensby, C. E., J. M. Ham, A. K. Knapp, D. Bremer, and L. M. Auen. 1997. Water vapor fluxes and their impact under elevated CO2 in a C4 tallgrass prairie.
Global Change Biology 3:
189-
195.
90.
Fay, P. A., and A. K. Knapp. 1996. Photosynthetic and stomatal responses to variable light in a cool-season and warm-season prairie forb.
International Journal of Plant Science 157:
303-
308.
91.
Fay, P. A., D. C. Hartnett, and A. K. Knapp. 1996. Plant tolerance of gall-insect attack and gall-insect performance.
Ecology 77:
521-
534.
92.
Hamerlynck, E. P., and A. K. Knapp. 1996. Early season cuticular conductance and gas exchange in two oaks near the western edge of their range.
Trees 10:
403-
409.
93.
Hamerlynck, E. P., and A. K. Knapp. 1996. Photosynthetic and stomatal responses to high temperature and light in two oaks at the western limit of their range.
Tree Physiology 16:
557-
565.
94.
Henebry, G. M., and A. K. Knapp. 1996. Spatio-temporal dynamics of soil moisture in tallgrass prairie using ERS-1 SAR image time series: first year results.
Digest of IGARSS '96 166-
168.
95.
Knapp, A. K., E. P. Hamerlynck, J. M. Ham, and C. E. Owensby. 1996. Responses in stomatal conductance to elevated CO2 in 12 grassland species that differ in growth form.
Vegetatio 125:
31-
41.
96.
Owensby, C. E., J. M. Ham, A. K. Knapp, C. W. Rice, P. I. Coyne, and L. M. Auen. 1996. Ecosystem level responses of tallgrass prairie to elevated CO2.
Carbon Dioxide and Terrestrial Ecosystems 147-
162.
97.
Su, H., J. M. Briggs, A. K. Knapp, J. M. Blair, and J. R. Krummel. 1996. Detecting spatial and temporal patterns of aboveground production in a tallgrass prairie using remotely-sensed data.
:
2361-
2365.
98.
Towne, E. G., and A. K. Knapp. 1996. Biomass and density responses in tallgrass prairie legumes to annual fire and topographic position.
American Journal of Botany 83:
175-
179.
99.
Turner, C. T., and A. K. Knapp. 1996. Responses of a C4 grass and three C3 forbs to variation in nitrogen and light in tallgrass prairie.
Ecology 77:
1738-
1749.
100.
Briggs, J. M., and A. K. Knapp. 1995. Interannual variability in primary production in tallgrass prairie: climate, soil moisture, topographic position and fire as determinants of aboveground biomass.
American Journal of Botany 82:
1024-
1030.
101.
Fay, P. A., and A. K. Knapp. 1995. Stomatal and photosynthetic responses to variable light in sorghum, soybeans and eastern gammagrass.
Physiologia Plantarum 94:
613-
620.
102.
Hamerlynck, E. P., and A. K. Knapp. 1995. Environmental and physiological factors influencing the distribution of oaks near the edge of their range.
Proceedings of the 14th North America Prairie Conference 17-
20.
103.
Johnson, S. R., and A. K. Knapp. 1995. The influence of fire on Spartina pectinata wetland communities in a northeastern Kansas tallgrass prairie.
Canadian Journal of Botany 73:
84-
90.
104.
Johnson, S. R., and A. K. Knapp. 1995. The role of fire in Spartina pectinata wetlands dominated tallgrass prairie wetlands.
Fire in wetlands: a management perspective. Proceedings of the Tall Timbers Fire Ecology Conference, No. 19 92-
101.
105.
Knapp, A. K., and J. B. Yavitt. 1995. Gas exchange characteristics of Typha latifolia L. from nine sites across North America.
Aquatic Biology 49:
203-
215.
106.
Turner, C. T., J. R. Kneisler, and A. K. Knapp. 1995. Comparative gas exchange and nitrogen responses of the dominant C4 grass, Andropogon gerardii, and five C3 forbs to fire and topographic position in tallgrass prairie during a wet year.
International Journal of Plant Science 156:
216-
226.
107.
Yavitt, J. B.,and A. K. Knapp. 1995. Wetlands may change tallgrass prairie from a sink to a source for atmospheric methane.
Proceedings of the 14th North America Prairie Conference 137-
141.
108.
Yavitt, J. B.,and A. K. Knapp. 1995. Methane emissions to the atmosphere through emergent cattail (Typha latifolia L.) plants.
Tellus 47B:
521-
534.
109.
Briggs, J. M., J. T. Fahnestock, L. Ward, and A. K. Knapp. 1994. Aboveground biomass in tallgrass prairie: effect of time since last fire.
Proceedings of the Thirteenth North America Prairie Conference 165-
170.
110.
Chen, D. X., M. B. Coughenour, A. K. Knapp, and C. E. Owensby. 1994. Mathematical simulation of C4 grass photosynthesis in ambient and elevated C02.
Ecological Modelling 73:
63-
80.
111.
Fahnestock, J. T., and A. K. Knapp. 1994. Responses of forbs and grasses to selective grazing by bison: interactions between herbivory and water stress.
Vegetatio 115:
123-
131.
112.
Hamerlynck, E. P., and A. K. Knapp. 1994. Leaf-level responses to light and temperature in two co-occurring Quercus (Fagaceae ) species: implications for tree distribution patterns.
Forest Ecology and Management 68:
149-
159.
113.
Hamerlynck, E. P., and A. K. Knapp.. 1994. Stomatal responses to variable sunlight in Bur Oak (Quercus macrocarpa Michx.) leaves with different photosynthetic capacities.
International Journal of Plant Science 155:
583-
587.
114.
Knapp, A. K., J. T. Fahnestock, and C. E. Owensby. 1994. Elevated CO2 alters dynamic stomatal responses to sunlight in a C4 grass.
Plant Cell and Environment 17:
189-
195.
115.
Knapp, A. K., M. Cocke, E. P. Hamerlynck, and C. E. Owensby. 1994. Effect of elevated C02 on stomatal density and distribution in a C4 grass and a C3 forb under field conditions.
Annals of Botany 74:
595-
599.
116.
Knapp, A. K., J. K. Koelliker, J. T. Fahnestock, and J. M. Briggs. 1994. Water relations and biomass responses to irrigation across a topographic gradient in tallgrass prairie.
Proceedings of the Thirteenth North America Prairie Conference 215-
220.
117.
Su, H., A. K. Knapp, and J. M. Briggs. 1994. Effects of topography and fire on spatial and temporal distribution of soil moisture in a tallgrass prairie.
Time Domain Reflectometry in Environmental, Infrastructure and Mining Applications 154-
162.
118.
Fahnestock, J. T., and A. K. Knapp. 1993. Water relations and growth of tallgrass prairie forbs in response to selective herbivory by bison.
International Journal of Plant Science 154:
432-
440.
119.
Fay, P. A., and A. K. Knapp. 1993. Photosynthetic and stomatal responses of Avena sativa (Poaceae) to a variable light environment.
American Journal of Botany 80:
1369-
1373.
120.
Fay, P. A., D. C. Hartnett, and A. K. Knapp. 1993. Increased photosynthesis and water potentials in Silphium integrifolium galled by cynipid wasps.
Oecologia 93:
114-
120.
121.
Johnson, S. R., and A. Knapp. 1993. The effect of fire on gas exchange and aboveground production in Spartina pectinata wetlands.
Wetlands 13:
299-
303.
122.
Knapp, A. K. 1993. Gas exchange dynamics in C3 and C4 grasses: consequences of differences in stomatal conductance.
Ecology 74:
113-
123.
123.
Knapp, A. K., J. T. Fahnestock, S. P. Hamburg, L. J. Statland, T. R. Seastedt, and D. S. Schimel. 1993. Landscape patterns in soil-water relations and primary production in tallgrass prairie.
Ecology 74:
549-
560.
124.
Owensby, C. E., P. I. Coyne, J. M. Ham, L. M. Auen, and A. K. Knapp. 1993. Biomass production in a tallgrass prairie ecosystem exposed to ambient and elevated CO2.
Ecological Applications 3:
644-
653.
125.
Seastedt, T. R., and A. K. Knapp. 1993. Consequences of non-equilibrium resource availability across multiple time scales: the transient maxima hypothesis.
American Naturalist 141:
621-
633.
126.
Axmann, B. D., and A. K. Knapp. 1993. Water relations of Juniperus virginiana and Andropogon gerardii in an unburned tallgrass prairie watershed.
Southwestern Naturalist 38:
325-
330.
127.
Bragg, W. K., A. K. Knapp, and J. M. Briggs. 1993. Comparative water relations of seedling and adult Quercus species during gallery forest expansion in tallgrass prairie.
Forest Ecology and Management 56:
29-
41.
128.
Knapp, A. K. 1992. Leaf gas exchange in Quercus macrocarpa (Fagaceae): rapid stomatal responses to variability in sunlight in a tree growth form.
American Journal of Botany 79:
599-
604.
129.
Knapp, A. K., and J. B. Yavitt. 1992. Evaluation of the closed-chamber method for estimating methane emissions from aquatic plants.
Tellus 44B:
63-
71.
130.
Briggs, J. M., and A. K. Knapp. 1991. Estimating aboveground biomass in tallgrass prairie with the harvest method: determining proper sample size using jackknifing and Monte Carlo simulations.
The Southwestern Naturalist 36:
1-
6.
131.
Schimel, D. S., T. G. F. Kittel, A. K. Knapp, T. R. Seastedt, W. J. Parton, and V. B. Brown. 1991. Physiological interactions along resource gradients in a tallgrass prairie.
Ecology 72:
672-
684.
132.
Fahnestock, J. T., and A. K. Knapp. 1990. Response of Andropogon gerardii to simulated acid rain.
Transactions of the Kansas Academy of Science 93:
85-
90.
133.
Knapp, A. K., and J. T. Fahnestock. 1990. Influence of plant size on the carbon and water relations of Cucurbita foetidissima HBK.
Functional Ecology 4:
789-
797.
134.
Tepedino, V. J., A. K. Knapp, G. C. Eickwort, and D. C. Ferguson. 1989. Death Camas (Zigadenus nuttallii) in Kansas: pollen collectors and a florivore.
Journal of the Kansas Entomological Society 62:
411-
412.
135.
Yavitt, J. B., and A. K. Knapp. 1989. Methane emissions to the atmosphere through emergent cattail (Typha latifolia L.) plants.
Tellus 47B:
521-
534.
136.
Gilliam, F. S., T. R. Seastedt, T. R., and A. K. Knapp. 1987. Canopy rainfall interception and throughfall in burned and unburned tallgrass prairie.
The Southwestern Naturalist 32:
267-
271.
137.
Abrams, M. D., A. K. Knapp, and L. C. Hulbert. 1986. A ten-year record of aboveground biomass in a Kansas tallgrass prairie: effects of fire and topographic position.
American Journal of Botany 73:
1509-
1515.
138.
Abrams, M. D., and A. K. Knapp. 1986. Seasonal water relations of three gallery forest hardwood species in northeast Kansas.
Forest Science 32:
687-
696.
139.
Knapp, A. K. 1986. Postfire water relations, production, and biomass allocation in the shrub, Rhus glabra, in tallgrass prairie.
Botanical Gazette 147:
90-
97.
140.
Knapp, A. K. 1986. Ecophysiology of Zigadenus nuttallii , a toxic spring ephemeral in a warm season grassland: effect of defoliation and fire.
Oecologia 71:
69-
74.
141.
Knapp, A. K., and L. C. Hulbert. 1986. Production, density and height of flower stalks of three grasses in annually burned and unburned eastern Kansas tallgrass prairie: a four year record.
The Southwestern Naturalist 31:
235-
241.
142.
Knapp, A. K., and T. R. Seastedt. 1986. Detritus accumulation limits productivity of tallgrass prairie.
BioScience 36:
662-
668.
143.
Knapp, A. K. 1985. Effect of fire and drought on the ecophysiology of Andropogon gerardii and Panicum virgatum in a tallgrass prairie.
Ecology 66:
1309-
1320.
144.
Knapp, A. K. 1985. Early season production and microclimate associated with topography in a C4 dominated grassland.
Oecologia Plant 6:
337-
346.
145.
Knapp, A. K., and F. S. Gilliam. 1985. Response of Andropogon gerardii (poaceae ) to fire-induced high vs.low irradiance environments in tallgrass prairie: leaf structure and photosynthetic pigments.
American Journal of Botany 72:
1668-
1671.
146.
Knapp, A. K., M. D. Abrams, and L. C. Hulbert. 1985. An evaluation of beta attenuation for estimating aboveground biomass in a tallgrass prairie.
Journal of Range Management 38:
556-
558.
147.
Knapp, A. K. 1984. Postburn differences in solar radiation, leaf temperature, and water stress influencing production in a lowland tallgrass prairie.
American Journal of Botany 71:
220-
227.
148.
Knapp, A. K. 1984. Water relations and growth of three grasses during wet and drought years in a tallgrass prairie.
Oecologia 65:
35-
43.
149.
Knapp, A. K. 1984. Effect of fire in tallgrass prairie on seed production of Vernonia baldwinii Torr. (Compositae).
The Southwestern Naturalist 29:
242-
243.
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