Stephen B Heard

Summary

Affiliation: University of New Brunswick
Country: Canada

Publications

  1. ncbi request reprint Signatures of random and selective mass extinctions in phylogenetic tree balance
    Stephen B Heard
    Department of Biology, University of New Brunswick, Fredericton, Canada
    Syst Biol 51:889-97. 2002
  2. ncbi request reprint On the elusiveness of enemy-free space: spatial, temporal, and host-plant-related variation in parasitoid attack rates on three gallmakers of goldenrods
    Stephen B Heard
    Department of Biology, University of New Brunswick, Fredericton, NB, E3B 6E1, Canada
    Oecologia 150:421-34. 2006
  3. ncbi request reprint The shapes of phylogenetic trees of clades, faunas, and local assemblages: exploring spatial pattern in differential diversification
    Stephen B Heard
    Department of Biology, University of New Brunswick, Fredericton, New Brunswick E3B 6E1, Canada
    Am Nat 169:E107-18. 2007
  4. ncbi request reprint Host-associated genetic differentiation in the goldenrod elliptical-gall moth, Gnorimoschema gallaesolidaginis (Lepidoptera: Gelechiidae)
    John D Nason
    Department of Botany, Iowa State University, Ames 50011, USA
    Evolution 56:1475-88. 2002
  5. ncbi request reprint Using tree shape
    Arne Ø Mooers
    Department of Biological Sciences, Simon Fraser University, Burnaby, British Columbia V5A 1S6, Canada
    Syst Biol 51:833-4. 2002
  6. ncbi request reprint Is cladogenesis heritable?
    Vincent Savolainen
    Molecular Systematics Section, Jodrell Laboratory, Royal Botanic Gardens, Kew TW9 3DS, UK
    Syst Biol 51:835-43. 2002
  7. ncbi request reprint Host-associated genetic differentiation in phytophagous insects: general phenomenon or isolated exceptions? Evidence from a goldenrod-insect community
    John O Stireman
    Department of Ecology, Evolution, and Organismal Biology, Iowa State University, Ames, Iowa 50011 1020, USA
    Evolution 59:2573-87. 2005
  8. pmc Cascading host-associated genetic differentiation in parasitoids of phytophagous insects
    John O Stireman
    Department of Ecology, Evolution and Organismal Biology, Iowa State University, Ames, IA 50011 1020, USA
    Proc Biol Sci 273:523-30. 2006
  9. ncbi request reprint Differential attack on diploid, tetraploid, and hexaploid Solidago altissima L. by five insect gallmakers
    Kristy Halverson
    Department of Ecology, Evolution, and Organismal Biology, Iowa State University, Ames, IA, 50011, USA
    Oecologia 154:755-61. 2008

Detail Information

Publications9

  1. ncbi request reprint Signatures of random and selective mass extinctions in phylogenetic tree balance
    Stephen B Heard
    Department of Biology, University of New Brunswick, Fredericton, Canada
    Syst Biol 51:889-97. 2002
    ..In contrast, evidence that the current anthropogenic mass extinction is phylogenetically selective suggests that the current extinction episode may be qualitatively different from past ones in the way it reshapes future biotas...
  2. ncbi request reprint On the elusiveness of enemy-free space: spatial, temporal, and host-plant-related variation in parasitoid attack rates on three gallmakers of goldenrods
    Stephen B Heard
    Department of Biology, University of New Brunswick, Fredericton, NB, E3B 6E1, Canada
    Oecologia 150:421-34. 2006
    ....
  3. ncbi request reprint The shapes of phylogenetic trees of clades, faunas, and local assemblages: exploring spatial pattern in differential diversification
    Stephen B Heard
    Department of Biology, University of New Brunswick, Fredericton, New Brunswick E3B 6E1, Canada
    Am Nat 169:E107-18. 2007
    ..Our data suggest that continental-scale biogeographic events rather than local-scale processes have shaped diversity skewness in modern primate faunas...
  4. ncbi request reprint Host-associated genetic differentiation in the goldenrod elliptical-gall moth, Gnorimoschema gallaesolidaginis (Lepidoptera: Gelechiidae)
    John D Nason
    Department of Botany, Iowa State University, Ames 50011, USA
    Evolution 56:1475-88. 2002
    ..solidaginis therefore represent the first reported case of parallel host-associated differentiation, that is, differentiation by evolutionarily independent insect lineages across the same pair of host plants...
  5. ncbi request reprint Using tree shape
    Arne Ø Mooers
    Department of Biological Sciences, Simon Fraser University, Burnaby, British Columbia V5A 1S6, Canada
    Syst Biol 51:833-4. 2002
  6. ncbi request reprint Is cladogenesis heritable?
    Vincent Savolainen
    Molecular Systematics Section, Jodrell Laboratory, Royal Botanic Gardens, Kew TW9 3DS, UK
    Syst Biol 51:835-43. 2002
    ..Heritability of cladogenesis may be a general phenomenon, detectable across a large number of lineages and a broad range of taxa...
  7. ncbi request reprint Host-associated genetic differentiation in phytophagous insects: general phenomenon or isolated exceptions? Evidence from a goldenrod-insect community
    John O Stireman
    Department of Ecology, Evolution, and Organismal Biology, Iowa State University, Ames, Iowa 50011 1020, USA
    Evolution 59:2573-87. 2005
    ....
  8. pmc Cascading host-associated genetic differentiation in parasitoids of phytophagous insects
    John O Stireman
    Department of Ecology, Evolution and Organismal Biology, Iowa State University, Ames, IA 50011 1020, USA
    Proc Biol Sci 273:523-30. 2006
    ..The existence of cryptic host-associated lineages also suggests that the diversity of parasitoids may be vastly underestimated...
  9. ncbi request reprint Differential attack on diploid, tetraploid, and hexaploid Solidago altissima L. by five insect gallmakers
    Kristy Halverson
    Department of Ecology, Evolution, and Organismal Biology, Iowa State University, Ames, IA, 50011, USA
    Oecologia 154:755-61. 2008
    ..Plant ploidy variation appears likely to have a major impact on insect community organization, and perhaps on plant-herbivore coevolution, but that impact is likely to be spatially heterogeneous...