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D-Index & Metrics

Ecology and Evolution

D-Index
31
Citations
3617
World Ranking
8247
National Ranking
2729

Overview

Gerard J. Allan is affiliated with Northern Arizona University in the United States. The research focuses primarily on environmental science and agricultural and biological sciences, with particular attention to nature and landscape conservation, global and planetary change, ecology, plant science, and ecological modeling.

The scientist's work covers a range of topics including plant water relations and carbon dynamics, ecology and vegetation dynamics studies, forest ecology and management, species distribution and climate change, tree-ring climate responses, remote sensing in agriculture, and tree root and stability studies.

Among recent publications are papers such as:

  • Intraspecific Genetic Variation and Species Interactions Contribute to Community Evolution (2020, Annual Review of Ecology Evolution and Systematics)
  • Adaptive trait syndromes along multiple economic spectra define cold and warm adapted ecotypes in a widely distributed foundation tree species (2020, Journal of Ecology)
  • Adaptive capacity in the foundation tree species Populus fremontii: implications for resilience to climate change and non-native species invasion in the American Southwest (2020, Conservation Physiology)
  • Tradeoffs between leaf cooling and hydraulic safety in a dominant arid land riparian tree species (2022, Plant Cell & Environment)
  • Genetic data improves niche model discrimination and alters the direction and magnitude of climate change forecasts (2020, Ecological Applications)

Frequent co-authors include:

  • Thomas G. Whitham
  • Kevin R. Hultine
  • Hillary F. Cooper
  • Catherine A. Gehring
  • Christopher E. Doughty

Common venues for publications are:

  • bioRxiv (Cold Spring Harbor Laboratory)
  • Plant Cell & Environment
  • Journal of Ecology
  • Forests
  • Restoration Ecology

Best Publications

  • From genes to ecosystems: a synthesis of the effects of plant genetic factors across levels of organization

    Joseph K. Bailey;Jennifer A. Schweitzer;Francisco Úbeda;Julia Koricheva

  • Genetically informed ecological niche models improve climate change predictions

    Dana H. Ikeda;Tamara L. Max;Gerard J. Allan;Matthew K. Lau

  • Phylogeographic reconstruction of a bacterial species with high levels of lateral gene transfer

    Talima Pearson;Philip Giffard;Philip Giffard;Stephen Beckstrom-Sternberg;Stephen Beckstrom-Sternberg;Raymond Auerbach;Raymond Auerbach

  • Single nucleotide polymorphisms for assessing genetic diversity in castor bean (Ricinus communis)

    Jeffrey T Foster;Gerard J Allan;Agnes P Chan;Pablo D Rabinowicz;Pablo D Rabinowicz

  • A genetic similarity rule determines arthropod community structure.

    R. K. Bangert;R. J. Turek;B. Rehill;G. M. Wimp

  • Molecular phylogenetic evidence for the geographic origin and classification of Canary Island Lotus (Fabaceae: Loteae).

    G.J. Allan;Javier Francisco-Ortega;Javier Francisco-Ortega;Arnoldo Santos-Guerra;Erin Boerner

  • Genetic structure of a foundation species: scaling community phenotypes from the individual to the region.

    R K Bangert;E V Lonsdorf;E V Lonsdorf;G M Wimp;G M Wimp;S M Shuster

  • Castor bean organelle genome sequencing and worldwide genetic diversity analysis.

    Maximo Rivarola;Jeffrey T. Foster;Agnes P. Chan;Amber L. Williams

  • Climate relicts and their associated communities as natural ecology and evolution laboratories.

    Scott A. Woolbright;Thomas G. Whitham;Catherine A. Gehring;Gerard J. Allan

  • Conservative leaf economic traits correlate with fast growth of genotypes of a foundation riparian species near the thermal maximum extent of its geographic range

    Kevin C. Grady;Daniel C. Laughlin;Sharon M. Ferrier;Thomas E. Kolb

  • The Hawaiian Archipelago is a stepping stone for dispersal in the Pacific: an example from the plant genus Melicope (Rutaceae)

    Danica T. Harbaugh;Warren L. Wagner;Gerard J. Allan;Elizabeth A. Zimmer

  • Genotypic variation in phenological plasticity: reciprocal common gardens reveal adaptive responses to warmer springs but not to fall frost.

    Hillary F. Cooper;Kevin C. Grady;Jacob A. Cowan;Rebecca J. Best

  • Genetic variation in productivity of foundation riparian species at the edge of their distribution: implications for restoration and assisted migration in a warming climate

    Kevin C. Grady;Sharon M. Ferrier;Thomas E. Kolb;Stephen C. Hart

  • TREE HYBRIDIZATION AND GENOTYPIC VARIATION DRIVE CRYPTIC SPECIATION OF A SPECIALIST MITE HERBIVORE

    Luke M. Evans;Gerard J. Allan;Stephen M. Shuster;Scott A. Woolbright

  • Evolution of insular Pacific Pittosporum (Pittosporaceae): origin of the Hawaiian radiation.

    C. E. Gemmill;G. Allan;Warren L. Wagner;Elizabeth Anne Zimmer

  • From genes to geography: a genetic similarity rule for arthropod community structure at multiple geographic scales.

    R. K. Bangert;G. J. Allan;R. J. Turek;G. M. Wimp

  • Bud phenology and growth are subject to divergent selection across a latitudinal gradient in Populus angustifolia and impact adaptation across the distributional range and associated arthropods.

    Luke M. Evans;Sobadini Kaluthota;David W. Pearce;Gerard J. Allan

  • Intraspecific Genetic Variation and Species Interactions Contribute to Community Evolution

    Thomas G. Whitham;Gerard J. Allan;Hillary F. Cooper;Stephen M. Shuster

  • Landscape genetic connectivity in a riparian foundation tree is jointly driven by climatic gradients and river networks.

    Samuel A. Cushman;Tamara Max;Nashelly Meneses;Luke M. Evans

  • Genetic Analysis of the Endangered Island Endemic Malacothamnus fasciculatus (Nutt.) Greene var. nesioticus (Rob.) Kearn. (Malvaceae)

    Susan M. Swensen;Gerard J. Allan;Melanie Howe;Wayne J. Elisens

Frequent Co-Authors

Thomas G. Whitham
Thomas G. Whitham Northern Arizona University
Catherine A. Gehring
Catherine A. Gehring Northern Arizona University
Paul Keim
Paul Keim Northern Arizona University
Joseph K. Bailey
Joseph K. Bailey University of Tennessee at Knoxville
Kevin R. Hultine
Kevin R. Hultine Desert Botanical Garden
Stephen M. Shuster
Stephen M. Shuster Northern Arizona University
Elizabeth A. Zimmer
Elizabeth A. Zimmer National Museum of Natural History
Jacques Ravel
Jacques Ravel University of Maryland, Baltimore
Stephen C. Hart
Stephen C. Hart University of California, Merced
Warren L. Wagner
Warren L. Wagner Smithsonian Institution

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