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Showing 1–7 of 7 results
Advanced filters: Author: Paul J. Hearty Clear advanced filters

  • Sea level during the last interglacial period reached a peak of between 5 and 9 m above the present-day level. A detailed reconstruction of sea level and isostatic rebound from Western Australia indicates a prolonged period of sea-level stability at 3–4 m above present, followed by an abrupt sea-level rise of 5–6 m.

    • Michael J. O’Leary
    • Paul J. Hearty
    • Jody M. Webster
    Research
    Nature Geoscience
    Volume: 6, P: 796-800

  • Estimates for sea level three million years ago, a period with similar atmospheric CO2 levels to today, vary from 10 to 40 m above present. Glacial isostatic adjustment modelling suggests that variations in the height of palaeoshorelines result from the residual adjustment of continental flexure following recent glaciations.

    • Maureen E. Raymo
    • Jerry X. Mitrovica
    • Paul J. Hearty
    Research
    Nature Geoscience
    Volume: 4, P: 328-332

  • Using a global molecular phylogenetic dataset of birds on islands, the sensitivity of island-specific rates of colonization, speciation and extinction to island features (area and isolation) is estimated.

    • Luis Valente
    • Albert B. Phillimore
    • Rampal S. Etienne
    Research
    Nature
    Volume: 579, P: 92-96

  • Breeding has increased crop productivity, but whether it has also changed phenotypic plasticity is unclear. Here, the authors find maize genomic regions selected for high productivity show reduced contribution to genotype by environment variation and provide evidence for regulatory control of phenotypic stability.

    • Joseph L. Gage
    • Diego Jarquin
    • Natalia de Leon
    ResearchOpen Access
    Nature Communications
    Volume: 8, P: 1-11

  • Knowing the rate at which the sea-level rose 4-6 m (highstand) during the last interglacial period could help us assess whether such rapid ice loss could lead to future catastrophic sea-level rise. Blanchon and co-authors date a fossil coral reef from the Yucatan peninsula, Mexico, to present a complete highstand reef-crest sequence and its U-series chronology. They find that the reef back-stepped to 6 m, which they infer occurred rapidly, and was triggered by a 2-3 m jump in sea level during a time of ice-sheet instability.

    • Paul Blanchon
    • Anton Eisenhauer
    • Volker Liebetrau
    Research
    Nature
    Volume: 458, P: 881-884