David W Pfennig

Summary

Affiliation: University of North Carolina
Country: USA

Publications

  1. pmc Development and evolution of character displacement
    David W Pfennig
    Department of Biology, University of North Carolina, Chapel Hill, North Carolina 27599, USA
    Ann N Y Acad Sci 1256:89-107. 2012
  2. doi request reprint Evolution of character displacement in spadefoot toads: different proximate mechanisms in different species
    David W Pfennig
    Department of Biology, CB 3280, University of North Carolina, Chapel Hill, North Carolina 27599, USA
    Evolution 64:2331-41. 2010
  3. pmc Mimics without models: causes and consequences of allopatry in Batesian mimicry complexes
    David W Pfennig
    Department of Biology, University of North Carolina, Chapel Hill, NC 27599, USA
    Proc Biol Sci 277:2577-85. 2010
  4. doi request reprint A maternal effect mediates rapid population divergence and character displacement in spadefoot toads
    David W Pfennig
    Department of Biology, CB 3280, University of North Carolina, Chapel Hill, North Carolina 27599, USA
    Evolution 63:898-909. 2009
  5. pmc Resource polyphenism increases species richness: a test of the hypothesis
    David W Pfennig
    Department of Biology, University of North Carolina, Chapel Hill, NC 27517, USA
    Philos Trans R Soc Lond B Biol Sci 365:577-91. 2010
  6. pmc Character displacement and the origins of diversity
    David W Pfennig
    Department of Biology, University of North Carolina, Chapel Hill, North Carolina 27599, USA
    Am Nat 176:S26-44. 2010
  7. doi request reprint Phenotypic plasticity's impacts on diversification and speciation
    David W Pfennig
    Department of Biology, University of North Carolina, Chapel Hill, NC 27599, USA
    Trends Ecol Evol 25:459-67. 2010
  8. ncbi request reprint Ecological opportunity and phenotypic plasticity interact to promote character displacement and species coexistence
    David W Pfennig
    Department of Biology, University of North Carolina, Chapel Hill, North Carolina 27599, USA
    Ecology 87:769-79. 2006
  9. pmc Diet and hormonal manipulation reveal cryptic genetic variation: implications for the evolution of novel feeding strategies
    Cris C Ledon-Rettig
    Department of Biology, University of North Carolina, Chapel Hill, NC 27599, USA
    Proc Biol Sci 277:3569-78. 2010
  10. ncbi request reprint An experimental test of character displacement's role in promoting postmating isolation between conspecific populations in contrasting competitive environments
    David W Pfennig
    Department of Biology, CB 3280, University of North Carolina, Chapel Hill, NC 27599, USA
    Evolution 61:2433-43. 2007

Detail Information

Publications31

  1. pmc Development and evolution of character displacement
    David W Pfennig
    Department of Biology, University of North Carolina, Chapel Hill, North Carolina 27599, USA
    Ann N Y Acad Sci 1256:89-107. 2012
    ..We conclude by highlighting future directions for research that would test these predictions...
  2. doi request reprint Evolution of character displacement in spadefoot toads: different proximate mechanisms in different species
    David W Pfennig
    Department of Biology, CB 3280, University of North Carolina, Chapel Hill, North Carolina 27599, USA
    Evolution 64:2331-41. 2010
    ..Generally, character displacement may often progress through an initial phase in which trait differences are environmentally induced to one in which they are constitutively expressed...
  3. pmc Mimics without models: causes and consequences of allopatry in Batesian mimicry complexes
    David W Pfennig
    Department of Biology, University of North Carolina, Chapel Hill, NC 27599, USA
    Proc Biol Sci 277:2577-85. 2010
    ..We also describe how these 'rule-bending' mimics provide critical insights into diverse topics ranging from how Batesian mimicry evolves to its possible role in speciation...
  4. doi request reprint A maternal effect mediates rapid population divergence and character displacement in spadefoot toads
    David W Pfennig
    Department of Biology, CB 3280, University of North Carolina, Chapel Hill, North Carolina 27599, USA
    Evolution 63:898-909. 2009
    ..Maternal effects may therefore often be important in determining the initial direction and rate of evolution during the early stages of character displacement...
  5. pmc Resource polyphenism increases species richness: a test of the hypothesis
    David W Pfennig
    Department of Biology, University of North Carolina, Chapel Hill, NC 27517, USA
    Philos Trans R Soc Lond B Biol Sci 365:577-91. 2010
    ..Generally, resource polyphenism may play a key role in fostering diversity, and species in which resource polyphenism has evolved may be predisposed to diversify...
  6. pmc Character displacement and the origins of diversity
    David W Pfennig
    Department of Biology, University of North Carolina, Chapel Hill, North Carolina 27599, USA
    Am Nat 176:S26-44. 2010
    ..Generally, character displacement is well supported empirically, and it remains a vital explanation for how new species arise and diversify...
  7. doi request reprint Phenotypic plasticity's impacts on diversification and speciation
    David W Pfennig
    Department of Biology, University of North Carolina, Chapel Hill, NC 27599, USA
    Trends Ecol Evol 25:459-67. 2010
    ..Generally, phenotypic plasticity can play a largely underappreciated role in driving diversification and speciation...
  8. ncbi request reprint Ecological opportunity and phenotypic plasticity interact to promote character displacement and species coexistence
    David W Pfennig
    Department of Biology, University of North Carolina, Chapel Hill, North Carolina 27599, USA
    Ecology 87:769-79. 2006
    ..Thus, by facilitating shifts in resource use, phenotypic plasticity and ecological opportunity may often interact to promote divergence and coexistence of competitors...
  9. pmc Diet and hormonal manipulation reveal cryptic genetic variation: implications for the evolution of novel feeding strategies
    Cris C Ledon-Rettig
    Department of Biology, University of North Carolina, Chapel Hill, NC 27599, USA
    Proc Biol Sci 277:3569-78. 2010
    ..Our results therefore suggest that cryptic genetic variation may have enabled the evolutionary transition to carnivory in Spea tadpoles, and that such variation might generally facilitate rapid evolutionary transitions to novel diets...
  10. ncbi request reprint An experimental test of character displacement's role in promoting postmating isolation between conspecific populations in contrasting competitive environments
    David W Pfennig
    Department of Biology, CB 3280, University of North Carolina, Chapel Hill, NC 27599, USA
    Evolution 61:2433-43. 2007
    ..Thus, postmating isolation between conspecific populations, and possibly even speciation, may arise as a by-product of interactions between species...
  11. pmc Parallel evolution and ecological selection: replicated character displacement in spadefoot toads
    Amber M Rice
    Department of Biology, University of North Carolina, Chapel Hill, NC, USA
    Proc Biol Sci 276:4189-96. 2009
    ..These data, therefore, provide strong indirect support for competition's role in divergent trait evolution...
  12. doi request reprint Antipredator behavior promotes diversification of feeding strategies
    Cris C Ledon-Rettig
    Department of Biology, University of North Carolina, CB 3280, Coker Hall, Chapel Hill, NC 27599, USA
    Integr Comp Biol 52:53-63. 2012
    ..Generally, predator-mediated behavior might play a key role in promoting diversification of feeding strategies...
  13. doi request reprint Stress hormones and the fitness consequences associated with the transition to a novel diet in larval amphibians
    Cris C Ledon-Rettig
    Department of Biology, University of North Carolina, Chapel Hill, 27599, USA
    J Exp Biol 212:3743-50. 2009
    ..These results suggest that ancestral Spea likely experienced reduced fitness when they first adopted a carnivorous feeding strategy...
  14. pmc Relaxed genetic constraint is ancestral to the evolution of phenotypic plasticity
    Aaron R Leichty
    Department of Biology, University of North Carolina, Chapel Hill, NC 27599 3280, USA
    Integr Comp Biol 52:16-30. 2012
    ..Thus, relaxed genetic constraint may be a cause--not a consequence--of the evolution of phenotypic plasticity, and thereby contribute to the evolution of novel traits...
  15. doi request reprint Ancestral variation and the potential for genetic accommodation in larval amphibians: implications for the evolution of novel feeding strategies
    Cris C Ledon-Rettig
    Department of Biology, University of North Carolina, CB 3280, Coker Hall, Chapel Hill, NC 27599, USA
    Evol Dev 10:316-25. 2008
    ..Hence, diet-induced phenotypic plasticity may have preceded and even promoted the evolution of a novel phenotype...
  16. pmc Maternal investment influences expression of resource polymorphism in amphibians: implications for the evolution of novel resource-use phenotypes
    Ryan A Martin
    Department of Biology, University of North Carolina, Chapel Hill, North Carolina, United States of America
    PLoS ONE 5:e9117. 2010
    ..Such larger tadpoles are better able to capture the shrimp that induce carnivores. By influencing the expression of novel resource-use phenotypes, maternal effects may play a largely underappreciated role in the origins of novelty...
  17. pmc Character displacement: ecological and reproductive responses to a common evolutionary problem
    Karin S Pfennig
    Department of Biology, University of North Carolina, Chapel Hill, North Carolina 27599 3280, USA
    Q Rev Biol 84:253-76. 2009
    ..In short, understanding how organisms respond to competitive and reproductive interactions with heterospecifics offers key insights into the evolutionary causes and consequences of species coexistence and diversification...
  18. doi request reprint Disruptive selection in natural populations: the roles of ecological specialization and resource competition
    Ryan A Martin
    Department of Biology, University of North Carolina, Chapel Hill, North Carolina 27599, USA
    Am Nat 174:268-81. 2009
    ..Thus, disruptive selection may be a more common force contributing to phenotypic variation in natural populations than is currently recognized...
  19. ncbi request reprint Character displacement as the "best of a bad situation": fitness trade-offs resulting from selection to minimize resource and mate competition
    Karin S Pfennig
    Department of Biology, CB 3280, University of North Carolina, Chapel Hill, North Carolina 27599, USA
    Evolution 59:2200-8. 2005
    ..Consequently, character displacement may not always promote diversification in the manner that is often expected...
  20. pmc High-model abundance may permit the gradual evolution of Batesian mimicry: an experimental test
    David W Kikuchi
    Department of Biology, University of North Carolina, Chapel Hill, NC, USA
    Proc Biol Sci 277:1041-8. 2010
    ..However, where coral snakes are abundant, intermediate phenotypes are not attacked more frequently, resulting in an adaptive landscape without a valley. Thus, high-model abundance may facilitate the evolution of Batesian mimicry...
  21. ncbi request reprint Field and experimental evidence for competition's role in phenotypic divergence
    David W Pfennig
    Department of Biology, CB 3280, University of North Carolina, Chapel Hill, North Carolina 27599, USA
    Evolution 61:257-71. 2007
    ..In particular, once a population evolves resource polymorphism, it may be more prone to undergo ecological character displacement...
  22. doi request reprint Predator cognition permits imperfect coral snake mimicry
    David W Kikuchi
    Department of Biology, University of North Carolina, Chapel Hill, North Carolina 27599, USA
    Am Nat 176:830-4. 2010
    ..We suggest that L. elapsoides have evolved only those signals necessary to deceive predators. Generally, imperfect mimicry might suffice if it exploits limitations in predator cognitive abilities...
  23. doi request reprint Emerging model systems in eco-evo-devo: the environmentally responsive spadefoot toad
    Cris C Ledon-Rettig
    Department of Biology, University of North Carolina, CB 3280, Coker Hall, Chapel Hill, NC 27599, USA
    Evol Dev 13:391-400. 2011
    ....
  24. pmc Widespread disruptive selection in the wild is associated with intense resource competition
    Ryan A Martin
    Department of Biology, CB 3280, University of North Carolina, Chapel Hill, NC 27599, USA
    BMC Evol Biol 12:136. 2012
    ..We also evaluated the relationship between the strength of disruptive selection and the intensity of intraspecific competition-an ecological agent hypothesized to be an important driver of disruptive selection...
  25. pmc Competition and the origins of novelty: experimental evolution of niche-width expansion in a virus
    Lisa M Bono
    Department of Biology, University of North Carolina, Chapel Hill, NC 27599 3280, USA
    Biol Lett 9:20120616. 2013
    ..More generally, our findings demonstrate that intraspecific resource competition can indeed promote the evolution of novel resource-use phenotypes...
  26. doi request reprint Evaluating the targets of selection during character displacement
    Ryan A Martin
    Department of Biology, CB 3280, University of North Carolina, Chapel Hill, North Carolina 27599, USA
    Evolution 65:2946-58. 2011
    ..Identifying the targets of competitively mediated selection is crucial, because whether and how character displacement ultimately unfolds depends on the nature of these targets and correlations among them...
  27. doi request reprint Selection overrides gene flow to break down maladaptive mimicry
    George R Harper
    Department of Biology, University of North Carolina, Chapel Hill, North Carolina 27599, USA
    Nature 451:1103-6. 2008
    ..Thus, although gene flow may explain why batesian mimics occur in allopatry, natural selection may often override such gene flow and promote the evolution of non-mimetic phenotypes in such areas...
  28. ncbi request reprint How fluctuating competition and phenotypic plasticity mediate species divergence
    David W Pfennig
    Evolution 56:1217-28. 2002
    ..Moreover, these results provide causal evidence linking resource competition to species divergence...
  29. pmc The role of developmental plasticity in evolutionary innovation
    Armin P Moczek
    Department of Biology, Indiana University, Bloomington, IN 47405, USA
    Proc Biol Sci 278:2705-13. 2011
    ....
  30. pmc Mimicry on the edge: why do mimics vary in resemblance to their model in different parts of their geographical range?
    George R Harper
    Department of Biology, University of North Carolina, Chapel Hill, NC 27599, USA
    Proc Biol Sci 274:1955-61. 2007
    ..Thus, counter-intuitively, the best mimics may occur on the edge of their model's range...
  31. ncbi request reprint Individual-level selection as a cause of Cope's rule of phyletic size increase
    Joel G Kingsolver
    Department of Biology, University of North Carolina, Chapel Hill, North Carolina 27599, USA
    Evolution 58:1608-12. 2004
    ..g., differences in mating success). The predominance of positive directional selection on size within populations could translate into a macroevolutionary trend toward increased size and thereby explain Cope's rule...