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Showing 1–16 of 16 results
Advanced filters: Author: Nate G. McDowell Clear advanced filters

  • Thirty years of forest demographic data, combined with recent ecophysiological measurements, reveal that intense Amazon droughts sharply increase tree mortality once soil moisture falls below a threshold, and that these hot droughts will become more frequent and intense as Earth warms towards hypertropical conditions.

    • Jeffrey Q. Chambers
    • Adriano José Nogueira Lima
    • Niro Higuchi
    Research
    Nature
    Volume: 649, P: 1190-1196

  • Large swathes of standing dead trees or ‘ghost forests’ can form owing to rising sea levels in coastal areas, but the extent to which this occurs is unclear. This study maps ghost forests at the individual tree level along the US Atlantic coastal region.

    • Henry Chi Hang Yeung
    • Tamlin M. Pavelsky
    • Xi Yang
    Research
    Nature Sustainability
    Volume: 8, P: 1445-1454

  • Coastal tree growth under enhanced sedimentary nutrient inputs will turn to high mortality risks as atmospheric drought and sea level rise progress, revealed by a two-decade field experiment of coastal pine forests with different fertilization and density levels.

    • Yaling Zhang
    • Minhuang Wang
    • Nate G. McDowell
    ResearchOpen Access
    Communications Earth & Environment
    Volume: 6, P: 1-11

  • Terrestrial primary productivity will increase with CO2 fertilization, but water limitation will decrease this positive effect. Analyses of Earth system model projections show that extreme droughts will have a much stronger impact on future productivity than mild and moderate droughts.

    • Chonggang Xu
    • Nate G. McDowell
    • Richard S. Middleton
    Research
    Nature Climate Change
    Volume: 9, P: 948-953

  • Drought can have complex effects on plants due to different responses of photosynthesis, growth and carbon storage. Here, the authors show that tree growth does not always stop before photosynthesis and non-structural carbohydrate may not accumulate.

    • R. Alexander Thompson
    • Henry D. Adams
    • Nate G. McDowell
    ResearchOpen Access
    Nature Communications
    Volume: 14, P: 1-11

  • Data from 2 million individual trees spanning 1,781 species reveal that tropical forests can be grouped into four size-dependent life-history survival modes, the application of which in demographic simulations predicts biomass change.

    • Daniel J. Johnson
    • Jessica Needham
    • Sean M. McMahon
    Research
    Nature Ecology & Evolution
    Volume: 2, P: 1436-1442

  • Leaves vary their temperatures to improve their physiological performance. Theoretical considerations predict, and data for diverse taxa show, a moderate level of leaf thermoregulation maximizing net carbon assimilation.

    • Sean T. Michaletz
    • Michael D. Weiser
    • Brian J. Enquist
    Research
    Nature Plants
    Volume: 2, P: 1-9

  • Coastal systems are hotspots of ecological, geochemical and economic activity, yet their dynamics are not accurately represented in global models. In this Review, Ward and colleagues assess the current state of coastal science and recommend approaches for including the coastal interface in predictive models.

    • Nicholas D. Ward
    • J. Patrick Megonigal
    • Lisamarie Windham-Myers
    ReviewsOpen Access
    Nature Communications
    Volume: 11, P: 1-14

  • The mechanisms underlying drought-induced tree mortality are not fully resolved. Here, the authors show that, across multiple tree species, loss of xylem conductivity above 60% is associated with mortality, while carbon starvation is not universal.

    • Henry D. Adams
    • Melanie J. B. Zeppel
    • Nate G. McDowell
    Research
    Nature Ecology & Evolution
    Volume: 1, P: 1285-1291

  • As the global climate changes, drought is expected to reduce productivity and tree survival across many forests; however, the relative influence of climate variables on forest decline remains poorly understood. A drought-stress index based on tree-ring data—newly developed for the southwestern United States—is found to be equally influenced by evaporation (primarily temperature driven) and precipitation and may serve as a holistic forest-vigour indicator in water-limited forests.

    • A. Park Williams
    • Craig D. Allen
    • Nate G. McDowell
    Research
    Nature Climate Change
    Volume: 3, P: 292-297

  • The next step after sequencing a genome is to figure out how the cell actually uses it as an instruction manual. A large international consortium has examined 1% of the genome for what part is transcribed, where proteins are bound, what the chromatin structure looks like, and how the sequence compares to that of other organisms.

    • Ewan Birney
    • John A. Stamatoyannopoulos
    • Pieter J. de Jong
    Research
    Nature
    Volume: 447, P: 799-816