World's Best Scientists 2026 revealed!

D-Index & Metrics

Ecology and Evolution

D-Index
41
Citations
9449
World Ranking
5722
National Ranking
1953

Overview

John D. Nason is affiliated with Iowa State University in the United States. Their research spans multiple areas within agricultural and biological sciences, with an emphasis on ecology, evolution, and molecular biology.

The scientist's work focuses on topics including:

  • Plant and animal studies
  • Plant parasitism and resistance
  • Ecology and vegetation dynamics studies
  • Plant and fungal species descriptions
  • Nematode management and characterization studies
  • Insect and arachnid ecology and behavior
  • Parasite biology and host interactions

Main fields of study for John D. Nason include:

  • Agricultural and Biological Sciences
  • Biochemistry, Genetics and Molecular Biology
  • Environmental Science

The subfields covered in their research are:

  • Ecology, Evolution, Behavior and Systematics
  • Plant Science
  • Nature and Landscape Conservation
  • Molecular Biology
  • Genetics

Frequent publication venues where their work appears include:

  • bioRxiv (Cold Spring Harbor Laboratory)
  • Molecular Ecology
  • Proceedings of the Royal Society B Biological Sciences
  • Journal of Animal Ecology
  • Insect Systematics and Diversity

Coauthors frequently collaborating with John D. Nason are:

  • Edward Allen Herre
  • Jordan D. Satler
  • Carlos A. Machado
  • Tracy A. Heath
  • Adalberto Gómez Zúñiga

Recent papers authored or co-authored by John D. Nason include:

  • "Genome-wide sequence data show no evidence of hybridization and introgression among pollinator wasps associated with a community of Panamanian strangler figs" (2022, Molecular Ecology)
  • "Differential effects of nematode infection on pollinating and non-pollinating fig wasps: Can shared antagonism provide net benefits to a mutualism?" (2021, Journal of Animal Ecology)
  • "Extraordinarily precise nematode sex ratios: adaptive responses to vanishingly rare mating opportunities" (2022, Proceedings of the Royal Society B Biological Sciences)
  • "Community Structure and Undescribed Species Diversity in Non-Pollinating Fig Wasps Associated with the Strangler Fig Ficus petiolaris" (2020, Insect Systematics and Diversity)
  • "Pollinator and host sharing lead to hybridization and introgression in Panamanian free-standing figs, but not in their pollinator wasps" (2023, Ecology and Evolution)

Best Publications

  • Spatial genetic structure of a tropical understory shrub, PSYCHOTRIA OFFICINALIS (RuBIACEAE)

    Bette A. Loiselle;Victoria L. Sork;John Nason;Catherine Graham

  • Landscape approaches to historical and contemporary gene flow in plants.

    Victoria L. Sork;John Nason;Diane R. Campbell;Juan F. Fernandez

  • Differential lineage-specific amplification of transposable elements is responsible for genome size variation in Gossypium

    Jennifer S. Hawkins;Hye Ran Kim;John D. Nason;Rod A. Wing

  • The influence of seed dispersal mechanisms on the genetic structure of tropical tree populations

    J. L. Hamrick;Darlyne A. Murawski;John D. Nason

  • Reproductive and Genetic Consequences of Forest Fragmentation: Two Case Studies of Neotropical Canopy Trees

    J. D. Nason;J. L. Hamrick

  • The breeding structure of a tropical keystone plant resource

    John D. Nason;E. Allen Herre;J. L. Hamrick

  • Population Graphs: the graph theoretic shape of genetic structure

    Rodney J. Dyer;John D. Nason

  • HOST-ASSOCIATED GENETIC DIFFERENTIATION IN PHYTOPHAGOUS INSECTS: GENERAL PHENOMENON OR ISOLATED EXCEPTIONS? EVIDENCE FROM A GOLDENROD-INSECT COMMUNITY

    John O. Stireman;John D. Nason;Stephen B. Heard

  • Spatial population genetic structure in Trillium grandiflorum: the roles of dispersal, mating, history, and selection.

    Susan Kalisz;John D. Nason;Frances M. Hanzawa;Stephen J. Tonsor;Stephen J. Tonsor

  • Landscape modelling of gene flow: improved power using conditional genetic distance derived from the topology of population networks.

    Rodney J. Dyer;John D. Nason;Ryan C. Garrick

  • Molecular phylogenies of figs and their pollinator wasps

    Edward Allen Herre;C. A. Machado;C. A. Machado;E. Bermingham;J. D. Nason

  • The evolution of California's wild radish has resulted in the extinction of its progenitors.

    Subray G. Hegde;John D. Nason;Janet M. Clegg;Norman C. Ellstrand

  • Historical vicariance and postglacial colonization effects on the evolution of genetic structure in Lophocereus, a Sonoran Desert columnar cactus

    John D. Nason;J. L. Hamrick;Theodore H. Fleming

  • Paternity analysis of the breeding structure of strangler fig populations: evidence for substantial long-distance wasp dispersal

    John D. Nason;E. Allen Herre;James L. Hamrick

  • Cascading host-associated genetic differentiation in parasitoids of phytophagous insects.

    John O Stireman;John D Nason;Stephen B Heard;Julie M Seehawer

  • PATTERNS OF HYBRIDIZATION AND INTROGRESSION IN POPULATIONS OF OAKS, MANZANITAS, AND IRISES'

    John D. Nason;Norman C. Ellstrand;Michael L. Arnold

  • Origins, distribution, and local co-occurrence of polyploid cytotypes in Solidago altissima (Asteraceae)

    Kristy Halverson;Stephen B. Heard;John D. Nason;John O. Stireman

  • Understanding the population genetic structure of Gleditsia triacanthos L.: seed dispersal and variation in female reproductive success

    A. Schnabel;J. D. Nason;J. L. Hamrick

  • Spatial genetic structure in populations of the terrestrial orchid Cephalanthera longibracteata (Orchidaceae)

    Mi Yoon Chung;John D. Nason;Myong Gi Chung

  • Not just vicariance: phylogeography of a Sonoran Desert euphorb indicates a major role of range expansion along the Baja peninsula

    R. C. Garrick;J. D. Nason;C. A. Meadows;R. J. Dyer

  • HISTORICAL VICARIANCE AND POSTGLACIAL COLONIZATION EFFECTS ON THE EVOLUTION OF GENETIC STRUCTURE IN LOPHOCEREUS, A SONORAN DESERT

    Columnar Cactus;John D. Nason;J. L. Hamrick;Theodore H. Flemings

Frequent Co-Authors

James L. Hamrick
James L. Hamrick University of Georgia
John O. Stireman
John O. Stireman Wright State University
Norman C. Ellstrand
Norman C. Ellstrand University of California, Riverside
Edward Allen Herre
Edward Allen Herre Smithsonian Tropical Research Institute
Victoria L. Sork
Victoria L. Sork University of California, Los Angeles
Debashish Bhattacharya
Debashish Bhattacharya Rutgers, The State University of New Jersey
Kirk A. Moloney
Kirk A. Moloney Iowa State University
Stephen P. Hubbell
Stephen P. Hubbell University of California, Los Angeles
Bette A. Loiselle
Bette A. Loiselle University of Florida
Catherine H. Graham
Catherine H. Graham Stony Brook University

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