Scientific papers published by Dr. Paul Keddy

 

Paul Keddy Signature
Biography Research Papers Conservation Books Commentary Teaching Research in Progress Contact

Research Papers

(if you are looking for a book, or book chapter, click here)

 

  • Campbell, D.C., P.A. Keddy, M. Broussard and T. McFalls-Smith. 2016. Small changes in flooding have large consequences: experimental data from ten wetland plants. Wetlands 36: 1-10. (Download PDF
  •  

  • Keddy, P.A. 2016. Wetlands. in E.Wohl (ed.) Oxford Bibliographies in Environmental Science.  Oxford University Press, NY. (link to online version here on Keddy site) (link to artilce at Oxford Bibliographies in Environmental Science)

  • Keddy, P.A. 2015. Competition. in eLS. John Wiley & Sons, Chichester. (Download PDF)

     

  • Keddy, P.A. 2012. Introductory sources. in D. Gibson (ed.) Oxford Bibliographies Online: Ecology. Oxford University Press, NY. (link to online version here on Keddy site) (link to article at Oxford Bibliographies Online)

  • Keddy, P.A. 2012. Competition in plant communities. in D. Gibson (ed.) Oxford Bibliographies Online: Ecology. Oxford University Press, NY. (link to online version here on Keddy site) (link to article at Oxford Bibliographies Online)

     

  • Keddy, P.A. 2012. Foreword: Some thoughts on San Francisco Bay and its wetlands. Pp xv-xviii in A. Palaima (ed.) Ecology, Conservation and Restoration of Tidal Marshes: the San Francisco Estuary. University of California Press, Berkely. (Download PDF)

  • McFalls, T.B., P.A. Keddy, D. Campbell and G. Shaffer. 2010. Hurricanes, floods, levees and nutria: Vegetation responses to interacting disturbance and fertility regimes with implications for coastal wetland restoration.  Journal of Coastal Research 26: 901-911. (Download PDF)

  • Keddy, P.A. 2009. Thinking big: A conservation vision for the Southeastern coastal plain of North America. Southeastern Naturalist 8: 213-226. (Download PDF)

  • Keddy, P.A., L.H. Fraser, A.I. Solomeshch, W.J. Junk, D.R. Campbell, M.T.K. Arroyo, and C.J. R. Alho. 2009. Wet and wonderful: The world's largest wetlands are conservation priorities. BioScience 59 (1): 39-51.(Download PDF)

     

  • Clark, M.A. J. Siegrist and P.A. Keddy. 2008. Patterns of frequency in species-rich vegetation in pine savannas: effects of soil moisture and scale. Ecoscience 15: 94-100. (Download PDF)

     

  • Keddy, P. 2008. Freshwater marshes. p. 1690-1697 in S. E. Jørgensen and B.D. Fath (editor-in-chief), Ecosystems. Vol. 2 of Encyclopedia of Ecology. Elsevier, Oxford, UK.(Download PDF)

  • Roth, A-M., D. Campbell, P.A. Keddy, H. Dozier and G. Montz. 2008. How important is competition in a species-rich grassland? A two - year removal experiment in a pine savanna. Ecoscience 15: 94-100. (Download PDF)

  • Cahill, J.F. Jr., S.W. Kembel, E.G. Lamb and P.A. Keddy. 2008. Does phylogenetic relatedness influence the strength of competition among vascular plants?  Perspectives in Plant Ecology, Evolution and Systematics 10: 41-50. (Download PDF)  

     

  • Keddy, P.A., D. Campbell, T. McFalls, G. Shaffer, R. Moreau, C. Dranguet, and R. Heleniak.  2007. The wetlands of lakes Pontchartrain and Maurepas: past, present and future.  Environmental Reviews 15: 1- 35. (Download PDF)

  • Geho, E.M., D. Campbell and P. A. Keddy. 2007. Quantifying ecological filters: the relative impact of herbivory, neighbours, and sediment on an oligohaline marsh. Oikos 116: 1006-1016.(Download PDF)

  • Keddy, P.A., L. Smith, D.R. Campbell, M. Clark and G. Montz. 2006. Patterns of herbaceous plant diversity in southeastern Louisiana pine savannas. Applied Vegetation Science 9:17-26. (Download PDF)

  • Menzel, T.O., P.A. Keddy, D. Kandalepas and D. Campbell . 2006. Grasshopper communities in relation to plant species and habitat type within the West Lake Pontchartrain Basin . Proceedings of the Louisiana Academy of Sciences 68:1-12. (Download PDF)

  • Houlahan, J., P. Keddy, K. Makkey and C.S. Findlay. 2006. The effects of adjacent land-use on wetland plant species richness and community composition.  Wetlands 26: 79-96.Download PDF

  • Keddy, P.A. 2005. Putting the plants back into plant ecology: six pragmatic models for understanding and conserving plant diversity. (Invited Review) Annals of Botany 95(9): 1-13. (Download PDF)

  • Keddy, P.A. 2005. Milestones in ecological thought− A canon for plant ecology. (Invited Perspective) Journal of Vegetation Science 16: 145-150. (Download PDF)

  • Fraser, L.H. and P.A. Keddy. 2005. Can competitive ability predict structure in experimental plant communities? Journal of Vegetation Science 16: 571-578. (Download PDF)
  •  

  • Keddy, P., K. Nielsen, E. Weiher, and R. Lawson. 2002. Relative competitive performance of 63 species of terrestrial herbaceous plants. Journal of Vegetation Science 13: 5-16. (Download PDF)

  • Keddy, P.A., L.H. Fraser, and T.A. Keogh. 2001. Responses of 21 wetland species to shortage of light, nitrogen and phosphorus. Bulletin of the Geobotanical Institute ETH 67: 13-25. (Download PDF)

  • Keddy, P.A. and L.H. Fraser. 2000. Four general principles for the management and conservation of wetlands in large lakes: the role of water levels, nutrients, competitive hierarchies and centrifugal organization. Lakes and Reservoirs: Research and Management 5:177-185 (Download PDF)

  • Keddy, P.A., C. Gaudet, and L. H. Fraser. 2000. Effects of low and high nutrients on the competitive hierarchy of 26 shoreline plants. Journal of Ecology 88: 413-423. (Download PDF)

  • Keddy, P.A. and L. H. Fraser. 1999. On the diversity of land plants. Ecoscience 6:366-380. (Download PDF)

  • Keddy, P.A. 1999. Wetland restoration: the potential for assembly rules in the service of conservation. Wetlands 19: 716-732. (Download PDF)

  • Weiher, E. and P.A. Keddy. 1999. Relative abundance and evenness patterns along diversity and biomass gradients. Oikos 87:355-361.

  • Keogh, T., P.A. Keddy and L. H. Fraser. 1999. Patterns of tree species richness in forested wetlands. Wetlands 19: 639-647.

  • Keddy, P.A., L. H. Fraser, and I. C. Wisheu. 1998. A comparative approach to examine competitive response of 48 wetland plant species. Journal of Vegetation Science 9: 777-786. (Download PDF)

  • Hill, N. M., P.A. Keddy and I. C. Wisheu. 1998. A hydrological model for predicting the effects of dams on the shoreline vegetation of lakes and reservoirs. Environmental Management 22:723-736. (Download PDF)

  • Le Page, C. and P. A. Keddy. 1998. Reserves of buried seeds in beaver ponds. Wetlands 18:242-248.

  • Weiher, E., G. D. P. Clarke and P.A. Keddy. 1998. Community assembly rules, morphological dispersion, and the coexistence of plant species. Oikos 81: 309-322. (Download PDF).

  • Fraser, L. H. and P. Keddy. 1997. The role of experimental microcosms in ecological research. Trends in Ecology and Evolution 12: 478-481. (Download PDF)

  • Keddy, P., L. Twolan-Strutt and B. Shipley. 1997. Experimental evidence that interspecific competitive asymmetry increases with soil productivity. Oikos 80: 253-256. (Download PDF)

  • Toner, M. and P. Keddy. 1997. River hydrology and riparian wetlands: a predictive model for ecological assembly. Ecological Applications 7: 236-246. (Download PDF)

  • Weiher, E., I. C. Wisheu, P.A. Keddy and D.R.J. Moore. 1996. Establishment, persistence, and management implications of experimental wetland plant communities. Wetlands 16: 208-218. (Download PDF)

  • Wisheu, I. C., and P.A. Keddy. 1996. Three competing models for predicting the size of species pools: a test using eastern North American wetlands. Oikos 76: 253-258. (Download PDF)

  • Keddy, P.A. and C.G. Drummond. 1996. Ecological properties for the evaluation, management, and restoration of temperate deciduous forest ecosystems. Ecological Applications 6: 748-762. (Download PDF)

  • Twolan-Strutt, L. and P.A. Keddy. 1996. Above- and below-ground competition intensity in two contrasting wetland plant communities. Ecology 77: 259-270. (Download PDF)

  • Weiher, E. and P.A. Keddy. 1995. Assembly rules, null models, and trait dispersion: new questions from old patterns. Oikos 74: 159-165. (Download PDF)

  • Weiher, E. and P.A. Keddy. 1995. The assembly of experimental wetland plant communities. Oikos 73: 323-335. (Download PDF)

  • Belcher, J., P.A. Keddy and L. Twolan-Strutt. 1995. Root and shoot competition along a soil depth gradient. Journal of Ecology 83: 673-682. (Download PDF)

  • Gaudet, C.L. and P.A. Keddy. 1995. Competitive performance and species distribution in shoreline plant communities: a comparative approach. Ecology 76: 280-291. (Download PDF)

  • McJannet, C.L., P.A. Keddy, and F. R. Pick. 1995. Nitrogen and phosphorus tissue concentrations in 41 wetland plants: a comparison across habitats and functional groups. Functional Ecology 9: 231-238. (Download PDF)

  • Shipley, B. and P.A. Keddy. 1994. Evaluating the evidence for competitive hierarchies in plant communities. Oikos 69: 340-345. (Download PDF) 

  • Keddy, P. 1994. Reflections on the 21st birthday of MacArthur's Geographical Ecology - applications of the Hertzprung-Russel star diagram to ecology. Trends in Ecology and Evolution 9: 231-234. (Download PDF)

  • Keddy, P.A., L. Twolan-Strutt and I. C. Wisheu 1994. Competitive effect and response ranking in 20 wetland plants: are they consistent across three environments? Journal of Ecology 82: 635-643. (Download PDF)

  • Reader, R.J., S. D. Wilson, J.W. Belcher, I. Wisheu, P.A. Keddy, D. Tilman, E.C. Morris, J. B. Grace, J. B. McGraw, H. Olff, R. Turkington, E. Klein, Y. Leung, B. Shipley, R. Van Hulst, M.E. Johansson, C. Nilsson, J. Gurevitch, K. Grigulis, and B.E. Beisner. 1994. Intensity of plant competition in relation to neighbor biomass: an intercontinental study with Poa pratensis. Ecology 75: 1753-1760. (Download PDF)

  • Wisheu, I. C. and P.A. Keddy. 1994. The low competitive ability of Canada's Atlantic coastal plain shoreline flora: implications for conservation. Biological Conservation 68: 247-252.

  • Wisheu, I. C., C. J. Keddy, P.A. Keddy, and N.M. Hill. 1994. Disjunct Atlantic coastal plain species in Nova Scotia: distribution, habitat and conservation priorities. Biological Conservation 68: 217-224.

  • Keddy, P.A. 1993. Do ecological communities exist? A reply to Bastow Wilson. Journal of Vegetation Science 4: 135-136.

  • Wilson, S. D., D.R.J. Moore and P.A. Keddy 1993. Relationships of marsh seed banks to vegetation patterns along environmental gradients. Freshwater Biology 29: 361-370.

  • Boutin, C. and P. A. Keddy. 1993. A functional classification of wetland plants. Journal of Vegetation Science 4: 591-600. (Download PDF)

  • Keddy, P.A. 1993. A pragmatic approach to functional ecology. Functional Ecology 6: 621-626. (Download PDF)

  • Wilson, S. D., D.R.J. Moore and P.A. Keddy. 1993. Relationships of marsh seed banks to vegetation patterns along environmental gradients. Freshwater Biology 29: 361-370.

  • Wisheu, I. C. and P.A. Keddy. 1992. Competition and centrifugal organization of ecological communities: theory and tests. Journal of Vegetation Science 3: 147-156. (Download PDF)

  • Keddy, P.A. 1992. Assembly and response rules: two goals for predictive community ecology. Journal of Vegetation Science 3: 157-164. (Download PDF)

  • Belcher, J., P.A. Keddy and P.F.C. Catling. 1992. Alvar vegetation in Canada: a multivariate description at two scales. Canadian Journal of Botany 70: 1279-1291. (Download PDF)

  • Hill, N. and P.A. Keddy. 1992. Predicting numbers of rarities from habitat variables: coastal plain plants of Nova Scotian lakeshores. Ecology 73: 1852-1859. (Download PDF)

  • Keddy, P.A. 1991. Plant competition and resources in old fields. Trends in Ecology and Evolution 6: 235-237. (Download PDF)

  • Shipley, B. S., P.A. Keddy, D.R.J. Moore and C. Gaudet. 1991. A model of species density in shoreline vegetation. Ecology 72: 1658-1667. (Download PDF)

  • Shipley, B. S., P.A. Keddy and L. P. Lefkovitch. 1991 Mechanisms producing plant zonation along a water depth gradient: a comparison with the exposure gradient. Canadian Journal of Botany 69: 1420-1424. (Download PDF)

  • Wilson, S. D. and P.A. Keddy. 1991. Competition, survivorship and growth in macrophyte communities. Freshwater Biology 25: 331-337.

  • Johansson, M. E. and P.A. Keddy. 1991. Intensity and asymmetry of competition between plant pairs of different degrees of similarity - an experimental study on two guilds of wetland plants. Oikos 60: 27-34. (Download PDF)

  • Wisheu, I. C. and P.A. Keddy. 1991. Seed banks of a rare wetland plant community: distribution patterns and effects of human induced disturbance. Journal of Vegetation Science 2: 181-188.

  • McCanny, S. J., P.A. Keddy, T. J. Arnason, C.L. Gaudet, D.R.J. Moore and B. Shipley. 1990. Fertility and the food quality of wetland plants: a test of the resource availability hypothesis. Oikos 59: 373-381. (Download PDF)

  • Keddy, P.A. and P. MacLellan. 1990. Centrifugal organization in forests. Oikos 58: 75-84. (Download PDF)

  • Shipley, B., P.A. Keddy, D.R.J. Moore and K. Lemky. 1990. Regeneration and establishment strategies of emergent macrophytes. Journal of Ecology 77: 1093-1110. (Download PDF)

  • Moore, D.R.J. and P.A. Keddy. 1989. The relationship between species richness and standing crop in wetlands: the importance of scale. Vegetatio 79: 99-106. (Download PDF)

  • Keddy, P.A. 1989. Effects of competition from shrubs on herbaceous wetland plants: a four year field experiment. Canadian Journal of Botany 67: 708-716. (Download PDF)

  • Mailette, L. and P.A. Keddy. 1989. Two plants with contrasting architectures: growth responses to light gradients. Canadian Journal of Botany 67: 2825-2828.

  • Keddy, P.A. and I. C. Wisheu. 1989. Species richness-standing crop relationships along four lakeshore gradients: constraints on the general model. Canadian Journal of Botany 67: 1609-1617.

  • Keddy, P.A. and I. C. Wisheu. 1989. Ecology, biogeography and conservation of coastal plain plants: some general principles from the study of Nova Scotia wetlands. Rhodora 91: 72-94.(Download PDF)

  • Moore, D.R.J., P.A. Keddy, C.L. Gaudet and I. C. Wisheu. 1989. Conservation of wetlands: do infertile wetlands deserve a higher priority? Biological Conservation 47: 203-217 (Download PDF)

  • Wisheu, I. C. and P.A. Keddy. 1989. The conservation and management of a threatened coastal plain plant community in Eastern North America (Nova Scotia, Canada). Biological Conservation 48: 229-238. (Download PDF)

  • Keddy, P.A. and B. Shipley. 1989. Competitive hierarchies in herbaceous plant communities. Oikos 54: 234 241. (Download PDF)

  • Nilsson, C. and P.A. Keddy. 1988. Predictability of change in shoreline vegetation along a hydro electric reservoir, Northern Sweden. Canadian Journal of Fisheries and Aquatic Sciences 45:1896 1904. (Download PDF)

  • Shipley, B. and P.A. Keddy. 1988. The relationship between relative growth rate and sensitivity to nutrient stress in twenty eight emergent macrophytes. Journal of Ecology 76: 1101-1110. (Download PDF)

  • Gaudet, C.L. and P.A. Keddy. 1988. Predicting competitive ability from plant traits: a comparative approach. Nature 334:242 243. (Download PDF)

  • Wilson, S. D. and P.A. Keddy. 1988. Survivorship, biomass accumulation and species richness along an environmental gradient. Oikos 53: 375-380.

  • Day, R., P.A. Keddy, J. McNeill and T. Carleton. 1988. Fertility and disturbance gradients: a summary model for riverine marsh vegetation. Ecology 69: 1044-1054. (Download PDF)

  • Moore, D.R.J. and P.A. Keddy. 1988. Effects of a water depth gradient on the germination of lakeshore plants. Canadian Journal of Botany 66: 548-552. (Download PDF)

  • Shipley, B. and P. Keddy. 1987. The individualistic and community unit concepts as falsifiable hypotheses. Vegetatio 69: 47-55.(Download PDF)

  • Keddy, P.A. 1987. Beyond reductionism and scholasticism in plant community ecology. Vegetatio 69: 209-211. (Download PDF)

  • Isabelle, P.S., L.J. Fooks, P.A. Keddy and S. D. Wilson. 1987. Effects of roadside snowmelt on wetland vegetation: an experimental study. Journal of Environmental Management 25: 57-60.

  • Wilson, S. D. and P.A. Keddy. 1986. Species competitive ability and position along a natural stress/disturbance gradient. Ecology 67: 1236-1242. (Download PDF)

  • Wilson, S. D. and P.A. Keddy. 1986. Measuring diffuse competition along an environmental gradient: results from a shoreline plant community. The American Naturalist 127: 862 869. (Download PDF)

  • Keddy, P.A. and A. A. Reznicek. 1986. Great Lakes vegetation dynamics: the role of fluctuating water levels and buried seeds. Journal of Great Lakes Research 12:25 36. (Download PDF)

  • Keddy, P.A. and P. Constabel. 1986. Germination of ten shoreline plants in relation to seed size, soil particle size and water level: an experimental study. Journal of Ecology 74:133 141.

  • Sharp, M. J. and P. A. Keddy. 1985. Biomass accumulation by Rhexia virginica and Triadenum fraseri along two lakeshore gradients: a field experiment. Canadian Journal of Botany 63:1806 1810. 
     
  • Keddy, P.A. and T.H. Ellis. 1985. Seedling recruitment of 11 wetland plant species along a water level gradient: shared or distinct responses? Canadian Journal of Botany 63: 1876 1879. (Download PDF)

  • Wilson, S. D. and P.A. Keddy. 1985. Plant zonation on a lakeshore gradient: physiological response curves of component species. Journal of Ecology 73:851 860. (Download PDF)

  • Sharp, M. J. and P.A. Keddy. 1985. A quantitative technique for estimating the boundaries of wetlands from vegetation data. Environmental Management 10:107 112.

  • Keddy, P.A. 1985. Lakeshore plants in the Tusket River Valley, Nova Scotia: the distribution and status of some rare species including Coreopsis rosea and Sabatia kennedyana. Rhodora 87:309 320. (Download PDF)

  • Wilson, S. D., P.A. Keddy,and D. L. Randall. 1985. The distribution of Xyris difformis Chapman along an environmental gradient: an experimental study. Canadian Journal of Botany 63:1226-1230.

  • Wilson, S. D. and P.A. Keddy. 1985. The shoreline distribution of Juncus pelocarpus along a gradient of exposure to waves: an experimental study. Aquatic Botany 21:277-284.

  • Keddy, P.A. 1985. Wave disturbance on lakeshores and the within lake distribution of Ontario's Atlantic coastal plain flora. Canadian Journal of Botany 63:656-660. (Download PDF)

  • Reznicek, A. A. and P.A. Keddy. 1985. Water levels and wetland areas -- a commentary. Journal of Surveying Engineering.

  • Keddy, P.A. 1984. Plant zonation on lakeshores in Nova Scotia: a test of the resource specialisation hypothesis. Journal of Ecology 72:797-808.

  • Poslusny, U., M. J. Sharp, and P.A. Keddy. 1984. Vegetative propagation in Rhexia virginica (Melastomataceae); some morphological and ecological considerations. Canadian Journal of Botany 62:2118 2121.

  • Keddy, C. J. and P.A. Keddy. 1984. Reproductive biology of Cirsium pitcheri (Asteraceae). Michigan Botanist 23:57 67.

  • Keddy, P.A. 1984. Quantifying a within lake gradient of wave energy in Gillfillan Lake, Nova Scotia. Canadian Journal of Botany 62:301 309.

  • Nicholson, A. and P.A. Keddy. 1983. The depth profile of a shoreline seed bank in Matchedash Lake, Ontario. Canadian Journal of Botany 61:3293 3296.

  • Keddy, P.A. 1983. Shoreline vegetation in Axe Lake, Ontario: effects of exposure on zonation patterns. Ecology 64: 331 344. (Download PDF)

  • Keddy, P.A. 1983. Freshwater wetlands human induced changes: indirect effects must also be considered. Environmental Management 4:299-302. (Download PDF)

  • Keddy, C. J., P.A. Keddy and R.J. Planck. 1983. An ecological study of Cypripedium passerinum Rich. (Sparrow's Egg Lady slipper, Orchidaceae) on the north shore of Lake Superior. Canadian Field Naturalist 97:268 274.

  • Keddy, P.A. and A. A. Reznicek. 1982. The role of seed banks in the persistence of Ontario's coastal plain flora. American Journal of Botany 69:13-22. (Download PDF)

  • Keddy, P.A. 1982. Quantifying within lake gradients of wave energy: interrelationships of wave energy, substrate particle size and shoreline plants in Axe Lake, Ontario. Aquatic Botany 14:41-58. (Download PDF).

  • Keddy, P.A. 1982. Population ecology on an environmental gradient: Cakile edentula on a sand dune. Oecologia 52: 348-355 (Download PDF).

  • Keddy, P.A. 1981. Vegetation with Atlantic coastal plain affinities in Axe Lake, near Georgian Bay, Ontario. Canadian Field Naturalist 95:241-248. (Download PDF)

  • Keddy, P.A. 1981. Why gametophytes and sporophytes are different: form and function in a terrestrial environment. The American Naturalist 118: 452-454.

  • Keddy, P.A. 1981. Experimental demography of the sand dune annual, Cakile edentula, growing along an environmental gradient. The Journal of Ecology 69:615-630.

  • Keddy, P.A. 1980. Population ecology in an environmental mosaic: Cakile edentula on a gravel bar. Canadian Journal of Botany 58:1095-1100.

  • Keddy, P.A., A.J. Spavold and C. J. Keddy. 1979. Snowmobile impact on old field and marsh vegetation in Nova Scotia, Canada: an experimental study. Environmental Management 3:409- 415.

  • Keddy, P.A. 1976. Lakes as islands: the distributional ecology of two aquatic plants, Lemna minor L. and L. trisulca L. Ecology 57:163-359. (Download PDF)

  • Britton, D.M., C.J. Widén, D.F. Brunton and P.A. Keddy. 1975. A new hybrid woodfern, Dryopteris X algonquinensis D. M. Britton, from Algonquin Park, Ontario. Canadian Field-Naturalist 89:163-171.
    1.  

       

      drpaulkeddy@gmail.com
      HOME | CONTACT