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Showing 1–9 of 9 results
Advanced filters: Author: Ignacio Rodriguez-Iturbe Clear advanced filters

  • It is shown that clusters of tree canopies within Kalahari landscape in southern Africa lack characteristic size, with the size distributions following power laws. Model results indicate that this apparent self-organized behaviour can be explained by positive feedbacks that operate in this water-limited ecosystem as a result of preferential environments formed within the vicinity of existing trees.

    • Todd M. Scanlon
    • Kelly K. Caylor
    • Ignacio Rodriguez-Iturbe
    Research
    Nature
    Volume: 449, P: 209-212

  • Climate change is altering the seasonal distribution, interannual variability and overall magnitude of precipitation. A new global measure of precipitation seasonality is proposed, and application of this method to observations from the tropics shows that increases in variability were accompanied by shifts in seasonal magnitude, timing and duration.

    • Xue Feng
    • Amilcare Porporato
    • Ignacio Rodriguez-Iturbe
    Research
    Nature Climate Change
    Volume: 3, P: 811-815

  • The degree to which systolic blood pressure should be lowered in individuals with mild hypertension is unclear. The Cardio-Sis trial has investigated whether tight systolic blood pressure control is more beneficial than usual control in individuals with hypertension but without diabetes.

    • Richard J. Johnson
    • Laura G. Sánchez-Lozada
    • Bernardo Rodríguez-Iturbe
    News & Views
    Nature Reviews Nephrology
    Volume: 5, P: 675-676

  • Recurrent dehydration and salt loss might be a mechanism that causes chronic kidney disease, whereby increased plasma osmolarity activates both intrarenal (polyol-fructokinase) and extrarenal (vasopressin) pathways to drive injury. The authors propose that water and salt influence blood pressure through the timing and combination of their intake, affecting plasma osmolarity and intrarenal and extrarenal mechanisms of renal injury.

    • Richard J. Johnson
    • Bernardo Rodriguez-Iturbe
    • Laura G. Sanchez-Lozada
    Reviews
    Nature Reviews Nephrology
    Volume: 10, P: 415-420

  • "Barrier islands experience a critical morphodynamic transition from a high dune-rich state to a low dune-less state after reaching lower elevations, according to dune dynamics modeling based on field data from the Virginia Barrier Islands, USA”.

    • Kiran Adhithya Ramakrishnan
    • Tobia Rinaldo
    • Orencio Durán Vinent
    ResearchOpen Access
    Communications Earth & Environment
    Volume: 5, P: 1-10

  • Fructose might be a Clue to the Origin of Preeclampsia Insights from Nature and Evolution Preeclampsia is a hypertensive disorder of pregnancy. The pathogenesis remains unclear. Fructose has a critical role in fetal growth in early pregnancy, and might be a key role to developing preeclampsia. Here, we summarize the previous literatures regarding the physiological andpathological roles of fructose in pregnancy to propose studies to further investigate the pathogenesis of preeclampsia.

    • Takahiko Nakagawa
    • Ana Andres-Hernando
    • Richard J. Johnson
    Reviews
    Hypertension Research
    Volume: 46, P: 646-653

  • Huang et al. use satellite imagery spanning over 40 years to investigate the spatial patterning of vegetation patches in a North American coastal ecosystem. They find that woody plant encroachment follows a power law when approaching critical transition points, which may inform future ecological monitoring of coastal systems.

    • Heng Huang
    • Philip A. Tuley
    • Paolo D’Odorico
    ResearchOpen Access
    Communications Biology
    Volume: 4, P: 1-7