R D Holt

Summary

Affiliation: University of Florida
Country: USA

Publications

  1. ncbi Temporal variation can facilitate niche evolution in harsh sink environments
    Robert D Holt
    1 Department of Zoology, P O Box 118525, University of Florida, Gainesville, Florida, 32611, USA
    Am Nat 164:187-200. 2004
  2. ncbi Emergent neutrality
    Robert D Holt
    Department of Zoology, University of Florida, Gainesville, FL 32605, USA
    Trends Ecol Evol 21:531-3. 2006
  3. ncbi Predation can increase the prevalence of infectious disease
    Robert D Holt
    Department of Zoology, University of Florida, P O Box 118525, Gainesville, Florida 32611, USA
    Am Nat 169:690-9. 2007
  4. ncbi Making a virtue out of a necessity: hurricanes and the resilience of community organization
    Robert D Holt
    Department of Zoology, University of Florida, 223 Bartram Hall, Gainesville, FL 32611-8525, USA
    Proc Natl Acad Sci U S A 103:2005-6. 2006
  5. ncbi Alternative prey and the dynamics of intraguild predation: theoretical perspectives
    Robert D Holt
    Department of Zoology, University of Florida, Gainesville, Florida 32611, USA
    Ecology 88:2706-12. 2007
  6. ncbi Theoretical perspectives on resource pulses
    Robert D Holt
    Department of Zoology, Utniversity of Florida, Gainesville, Florida 32611 USA
    Ecology 89:671-81. 2008
  7. ncbi Trophic interactions and range limits: the diverse roles of predation
    Robert D Holt
    Department of Zoology, University of Florida, Gainesville, FL 32611 8525, USA
    Proc Biol Sci 276:1435-42. 2009
  8. ncbi Allee effects, immigration, and the evolution of species' niches
    Robert D Holt
    Department of Zoology, University of Florida, PO Box 118525, Gainesville, Florida 32611, USA
    Am Nat 163:253-62. 2004
  9. ncbi Bringing the Hutchinsonian niche into the 21st century: ecological and evolutionary perspectives
    Robert D Holt
    Department of Biology, University of Florida, Gainesville, FL 32611 8525, USA
    Proc Natl Acad Sci U S A 106:19659-65. 2009
  10. ncbi The phenomenology of niche evolution via quantitative traits in a 'black-hole' sink
    R D Holt
    Department of Zoology, University of Florida, PO Box 118525, Gainesville, FL 32611 8525, USA
    Proc Biol Sci 270:215-24. 2003

Detail Information

Publications43

  1. ncbi Temporal variation can facilitate niche evolution in harsh sink environments
    Robert D Holt
    1 Department of Zoology, P O Box 118525, University of Florida, Gainesville, Florida, 32611, USA
    Am Nat 164:187-200. 2004
    ..g., predation). Our results are relevant to the evolutionary dynamics of species' ranges, the fate of exotic invasive species, and the evolutionary emergence of infectious diseases into novel hosts...
  2. ncbi Emergent neutrality
    Robert D Holt
    Department of Zoology, University of Florida, Gainesville, FL 32605, USA
    Trends Ecol Evol 21:531-3. 2006
    ..Here, I reflect on recent papers by Scheffer and van Nes, and by Gravel et al., which illuminate how neutrality can emerge from ecological and evolutionary processes, thus suggesting ways to unify neutral and niche perspectives...
  3. ncbi Predation can increase the prevalence of infectious disease
    Robert D Holt
    Department of Zoology, University of Florida, P O Box 118525, Gainesville, Florida 32611, USA
    Am Nat 169:690-9. 2007
    ....
  4. ncbi Making a virtue out of a necessity: hurricanes and the resilience of community organization
    Robert D Holt
    Department of Zoology, University of Florida, 223 Bartram Hall, Gainesville, FL 32611-8525, USA
    Proc Natl Acad Sci U S A 103:2005-6. 2006
  5. ncbi Alternative prey and the dynamics of intraguild predation: theoretical perspectives
    Robert D Holt
    Department of Zoology, University of Florida, Gainesville, Florida 32611, USA
    Ecology 88:2706-12. 2007
    ....
  6. ncbi Theoretical perspectives on resource pulses
    Robert D Holt
    Department of Zoology, Utniversity of Florida, Gainesville, Florida 32611 USA
    Ecology 89:671-81. 2008
    ..Dispersal permits species to exploit locally sporadic resource pulses and persist in environments that on average are unsuitable. All these issues are ripe for further theoretical explorations...
  7. ncbi Trophic interactions and range limits: the diverse roles of predation
    Robert D Holt
    Department of Zoology, University of Florida, Gainesville, FL 32611 8525, USA
    Proc Biol Sci 276:1435-42. 2009
    ..Conversely, we suggest that predators can also at times permit prey to have larger ranges than would be seen without predation. We discuss several ecological and evolutionary mechanisms that can lead to this counter-intuitive outcome...
  8. ncbi Allee effects, immigration, and the evolution of species' niches
    Robert D Holt
    Department of Zoology, University of Florida, PO Box 118525, Gainesville, Florida 32611, USA
    Am Nat 163:253-62. 2004
    ..This makes it easier for alleles of modest effect to be captured by natural selection, transforming the sink into a locally adapted population that can persist without immigration...
  9. ncbi Bringing the Hutchinsonian niche into the 21st century: ecological and evolutionary perspectives
    Robert D Holt
    Department of Biology, University of Florida, Gainesville, FL 32611 8525, USA
    Proc Natl Acad Sci U S A 106:19659-65. 2009
    ..A growing body of theory provides elements of a conceptual framework for understanding niche conservatism and evolution, paving the way for an evolutionary theory of the niche...
  10. ncbi The phenomenology of niche evolution via quantitative traits in a 'black-hole' sink
    R D Holt
    Department of Zoology, University of Florida, PO Box 118525, Gainesville, FL 32611 8525, USA
    Proc Biol Sci 270:215-24. 2003
    ..Populations typically stay maladapted for a long time, and then rapidly shift into a relatively adapted state, in which persistence no longer depends upon recurrent immigration...
  11. ncbi Impacts of environmental variability in open populations and communities: "inflation" in sink environments
    Robert D Holt
    Department of Zoology, 223 Bartram Hall, P O Box 118525, University of Florida, Gainesville, FL 32611 8525, USA
    Theor Popul Biol 64:315-30. 2003
    ....
  12. ncbi Up against the edge: invasive species as testbeds for basic questions about evolution in heterogeneous environments
    Robert D Holt
    Department of Biology, University of Florida, Gainesville, FL 32611 8525, USA
    Mol Ecol 18:4347-8. 2009
    ....
  13. ncbi Effects of species diversity on disease risk
    F Keesing
    Department of Biology, Bard College, PO Box 5000, Annandale, NY 12504, USA
    Ecol Lett 9:485-98. 2006
    ....
  14. ncbi Predators, parasitoids, and pathogens: a cross-cutting examination of intraguild predation theory
    Elizabeth T Borer
    Department of Zoology, Oregon State University, Corvallis, Oregon 97331, USA
    Ecology 88:2681-8. 2007
    ....
  15. ncbi Responses to alternative rainfall regimes and antipoaching in a migratory system
    Ricardo M Holdo
    Department of Biology, University of Florida, Gainesville, Florida 32611, USA
    Ecol Appl 20:381-97. 2010
    ..They also underscore the fundamental importance of considering the spatial configuration of hunting refuges across the landscape in relation to human populations...
  16. ncbi Vaccine-induced pathogen strain replacement: what are the mechanisms?
    Maia Martcheva
    Department of Mathematics, University of Florida, 358 Little Hall, PO Box 118105, Gainesville, FL 32611 8105, USA
    J R Soc Interface 5:3-13. 2008
    ..We draw an analogy with ecological and evolutionary explanations for competitive dominance and coexistence that allow for tradeoffs between different competitive and life-history traits...
  17. ncbi The influence of vigilance on intraguild predation
    Tristan Kimbrell
    Department of Zoology, University of Florida, P O Box 118525, Gainesville, FL 32611 8525, USA
    J Theor Biol 249:218-34. 2007
    ..These results suggest that predator and prey behavior may play an important dynamical role in systems with intraguild predation...
  18. ncbi A disease-mediated trophic cascade in the Serengeti and its implications for ecosystem C
    Ricardo M Holdo
    Department of Biology, University of Florida, Gainesville, Florida, United States of America
    PLoS Biol 7:e1000210. 2009
    ..We propose that the long-term status of the Serengeti and other intensely grazed savannas as sources or sinks for C may be fundamentally linked to the control of disease outbreaks and poaching...
  19. ncbi Effects of predation on host-pathogen dynamics in SIR models
    Manojit Roy
    Department of Zoology, University of Florida, 223 Bartram Hall, PO Box 118525, Gainesville, FL 32611 8525, USA
    Theor Popul Biol 73:319-31. 2008
    ..Firm predictions about the relationship between prevalence and predation thus require one to consider the complex interplay of acquired immunity, host regulation, and foraging behavior of the predator...
  20. ncbi Generalizing Levins metapopulation model in explicit space: models of intermediate complexity
    Manojit Roy
    Department of Zoology, University of Florida, 223 Bartram Hall, P O Box 118525, Gainesville, FL 32611 8525, USA
    J Theor Biol 255:152-61. 2008
    ..The relevance of these results to the dynamics of disease spread in metapopulations is discussed...
  21. ncbi Opposing rainfall and plant nutritional gradients best explain the wildebeest migration in the Serengeti
    Ricardo M Holdo
    Department of Zoology, University of Florida, Gainesville, FL 32611, USA
    Am Nat 173:431-45. 2009
    ....
  22. ncbi Canalization breakdown and evolution in a source-sink system
    Tristan Kimbrell
    Department of Zoology, University of Florida, P O Box 118525, Gainesville, Florida, 32611, USA
    Am Nat 169:370-82. 2007
    ..Our results suggest that the details of genetic architecture can significantly influence the likelihood of niche evolution in novel environments...
  23. ncbi Subthreshold and superthreshold coexistence of pathogen variants: the impact of host age-structure
    Maia Martcheva
    Department of Mathematics, University of Florida, 358 Little Hall, PO Box 118105, Gainesville, FL 32611 8105, USA
    Math Biosci 207:58-77. 2007
    ..Our results show that age structure in infectivity can permit the coexistence of competing pathogens when the incidence is of proportionate mixing type (frequency-dependent transmission) and at least one of the strains is virulent...
  24. ncbi Grazers, browsers, and fire influence the extent and spatial pattern of tree cover in the Serengeti
    Ricardo M Holdo
    Department of Zoology, University of Florida, Gainesville, Florida 32611, USA
    Ecol Appl 19:95-109. 2009
    ....
  25. ncbi Temporal autocorrelation can enhance the persistence and abundance of metapopulations comprised of coupled sinks
    Manojit Roy
    Department of Zoology, University of Florida, Gainesville, Florida 32611, USA
    Am Nat 166:246-61. 2005
    ..Because ecological and environmental processes contributing to temporally variable growth rates in natural populations are typically autocorrelated, these observations may have important implications for species persistence...
  26. ncbi Trophic cascades across ecosystems
    Tiffany M Knight
    Department of Zoology, University of Florida, Gainesville, Florida 32611, USA
    Nature 437:880-3. 2005
    ..Our results confirm that strong species interactions can reverberate across ecosystems, and emphasize the importance of landscape-level processes in driving local species interactions...
  27. ncbi Evolutionary dynamics as a component of stage-structured matrix models: an example using Trillium grandiflorum
    Tiffany M Knight
    Department of Zoology, University of Florida, PO Box 118525, Gainesville, Florida 32611, USA
    Am Nat 172:375-92. 2008
    ..This study demonstrates that, by combining demographic and selection analyses, one can gauge the potential relevance of evolution to population dynamics and persistence...
  28. ncbi Predation on mutualists can reduce the strength of trophic cascades
    Tiffany M Knight
    Department of Biology, Washington University in St Louis, St Louis, MO 63130, USA
    Ecol Lett 9:1173-8. 2006
    ....
  29. ncbi Alternative stable states and regional community structure
    Jonathan B Shurin
    National Center for Ecological Analysis and Synthesis, University of California Santa Barbara, 735 State St, Suite 300 Santa Barbara, CA 93101, USA
    J Theor Biol 227:359-68. 2004
    ..Broad environmental gradients in resource supply favor regional coexistence of species that exhibit local ASE...
  30. ncbi The effects of enrichment on the dynamics of apparent competitive interactions in stage-structured systems
    Michael B Bonsall
    Department of Biological Sciences and Natural Environment Research Council Centre for Population Biology, Imperial College, London, Silwood Park Campus, Ascot, Berkshire SL5 7PY, United Kingdom
    Am Nat 162:780-95. 2003
    ..These results contrast with the standard theory that apparent competition in productive environments leads to nonpersistent interactions and that coexistence of multispecies interactions is more likely under equilibrial conditions...
  31. ncbi Dynamics and responses to mortality rates of competing predators undergoing predator-prey cycles
    Peter A Abrams
    Department of Zoology, The University of Toronto, 25 Harbord Street, Toronto, Ont, Canada M5S 3G5
    Theor Popul Biol 64:163-76. 2003
    ..The patterns described here occur in many other competition models in which there are cycles and differences in the linearity of the responses of consumers to their resources...
  32. ncbi The impact of consumer-resource cycles on the coexistence of competing consumers
    Peter A Abrams
    Department of Zoology, University of Toronto, Toronto, Ontario, Canada M5S 3G5
    Theor Popul Biol 62:281-95. 2002
    ....
  33. ncbi The relation of density regulation to habitat specialization, evolution of a species' range, and the dynamics of biological invasions
    Ido Filin
    Department of Life Sciences, Ben Gurion University, Beer Sheva 84105, Israel
    Am Nat 172:233-47. 2008
    ..4) The steady state invasion speed in heterogeneous environments depends on the form of density regulation. Implications for the study of biological invasions are discussed, and directions for further exploration are sketched...
  34. ncbi The effects of immigration and environmental variability on the persistence of an inferior competitor
    Zachary T Long
    Department of Ecology, Evolution, and Natural Resources, Rutgers University, 14 College Farm Road, New Brunswick, NJ 08901, USA
    Ecol Lett 10:574-85. 2007
    ..Our results suggest that an increase in temporal autocorrelation of environmental variability will cause regional processes to increasingly influence local interactions...
  35. ncbi Coevolution drives temporal changes in fitness and diversity across environments in a bacteria-bacteriophage interaction
    Samantha E Forde
    Ecology and Evolutionary Biology, University of California Santa Cruz, Santa Cruz, California 95064, USA
    Evolution 62:1830-9. 2008
    ..Our results demonstrate that patterns of fitness and diversity resulting from coevolutionary interactions can be highly dynamic...
  36. ncbi Ecology: asymmetry and stability
    Robert D Holt
    Nature 442:252-3. 2006
  37. ncbi Viral ecology and the maintenance of novel host use
    John J Dennehy
    Department of Ecology and Evolutionary Biology, Yale University, New Haven, Connecticut 06520, USA
    Am Nat 167:429-39. 2006
    ..We argue that this effect should facilitate adaptation by the virus to utilize the novel host--often crucial in subsequent phases of emergence...
  38. ncbi Linking dynamical and population genetic models of persistent viral infection
    John K Kelly
    Department of Ecology and Evolutionary Biology, University of Kansas, Lawrence, Kansas 66045, USA
    Am Nat 162:14-28. 2003
    ..Inclusion of multiple cell types increases the likelihood of persistent infection and can increase the amount of genetic diversity within the viral population. However, the overall rate of gene sequence evolution may actually be reduced...
  39. ncbi Sacred cows and sympathetic squirrels: the importance of biological diversity to human health
    Andy Dobson
    Department of Ecology, Evolution, and Biology, Princeton University, Princeton, New Jersey, USA
    PLoS Med 3:e231. 2006
  40. ncbi Viral infection in internally structured hosts. I. Conditions for persistent infection
    Maria E Orive
    Department of Ecology and Evolutionary Biology, University of Kansas, 1200 Sunnyside Ave, Lawrence, KS 66045, USA
    J Theor Biol 232:453-66. 2005
    ..Stochastic aspects of viral establishment may also favor increased migration as it tends to dampen the amplitude of fluctuations in population size during the initial transient phase of establishment...
  41. ncbi Spatial flows and the regulation of ecosystems
    Michel Loreau
    Laboratoire d Ecologie, Unite Mixte de Recherche 7625, Ecole Normale Superieure, 46 rue d Ulm, F 75230 Paris cedex 05, France
    Am Nat 163:606-15. 2004
    ..Our analysis emphasizes the need for integration of population, community, and ecosystem perspectives in ecology and the critical consequences of assuming closed versus open systems...
  42. ncbi Phytoplankton species richness scales consistently from laboratory microcosms to the world's oceans
    Val H Smith
    Department of Ecology and Evolutionary Biology, University of Kansas, Lawrence, KS 66045, USA
    Proc Natl Acad Sci U S A 102:4393-6. 2005
    ..In addition, they confirm that patterns in microbial diversity are strongly consistent with those that have been repeatedly reported in the literature for macroorganisms...
  43. ncbi The inflationary effects of environmental fluctuations in source-sink systems
    Andrew Gonzalez
    , , Centre National de la Recherche Scientifique, , 46 rue d'Ulm, F-75230 Paris Cedex 05, France
    Proc Natl Acad Sci U S A 99:14872-7. 2002
    ....