Editorial & Opinion

Leaf habit affects the distribution of drought sensitivity but not water transport efficiency in the tropics.

التفاصيل البيبلوغرافية
العنوان: Leaf habit affects the distribution of drought sensitivity but not water transport efficiency in the tropics.
المؤلفون: Vargas G G; Department of Plant and Microbial Biology, University of Minnesota, St. Paul, Minnesota, USA.; School of Biological Sciences, The University of Utah, Salt Lake City, Utah, USA., Kunert N; Conservation Ecology Center, Smithsonian National Zoo and Conservation Biology Institute, Front Royal, Virginia, USA.; Forest Global Earth Observatory, Smithsonian Tropical Research Institute, Panama, Republic of Panama.; Department of Integrative Biology and Biodiversity Research, Institute of Botany, University of Natural Resources and Life Sciences Vienna, Vienna, Austria., Hammond WM; Agronomy Department, Institute of Food and Agricultural Sciences, University of Florida, Gainesville, Florida, USA., Berry ZC; Department of Biology, Wake Forest University, Winston-Salem, North Carolina, USA., Werden LK; Department of Environmental Systems Science, ETH Zürich, Zürich, Switzerland., Smith-Martin CM; Department of Ecology Evolution and Environmental Biology, Columbia University, New York, New York, USA., Wolfe BT; School of Renewable Natural Resources, Louisiana State University Agricultural Center, Baton Rouge, Louisiana, USA.; Smithsonian Tropical Research Institute, Panama, Republic of Panama., Toro L; Department of Plant and Microbial Biology, University of Minnesota, St. Paul, Minnesota, USA., Mondragón-Botero A; Department of Plant and Microbial Biology, University of Minnesota, St. Paul, Minnesota, USA., Pinto-Ledezma JN; Department of Ecology, Evolution and Behavior, University of Minnesota, St. Paul, Minnesota, USA., Schwartz NB; Department of Geography, University of British Columbia, Vancouver, British Columbia, Canada., Uriarte M; Department of Ecology Evolution and Environmental Biology, Columbia University, New York, New York, USA., Sack L; Department of Ecology and Evolution, University of California Los Angeles, Los Angeles, California, USA., Anderson-Teixeira KJ; Conservation Ecology Center, Smithsonian National Zoo and Conservation Biology Institute, Front Royal, Virginia, USA.; Forest Global Earth Observatory, Smithsonian Tropical Research Institute, Panama, Republic of Panama., Powers JS; Department of Ecology, Evolution and Behavior, University of Minnesota, St. Paul, Minnesota, USA.
المصدر: Ecology letters [Ecol Lett] 2022 Dec; Vol. 25 (12), pp. 2637-2650. Date of Electronic Publication: 2022 Oct 18.
نوع المنشور: Letter
اللغة: English
بيانات الدورية: Publisher: Blackwell Publishing Country of Publication: England NLM ID: 101121949 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1461-0248 (Electronic) Linking ISSN: 1461023X NLM ISO Abbreviation: Ecol Lett Subsets: MEDLINE
أسماء مطبوعة: Publication: Oxford, UK : Blackwell Publishing
Original Publication: Oxford, UK : [Paris, France] : Blackwell Science ; Centre national de la recherche scientifique, c1998-
مواضيع طبية MeSH: Droughts* , Plant Leaves*/physiology , Tropical Climate*, Phylogeny ; Xylem
مستخلص: Considering the global intensification of aridity in tropical biomes due to climate change, we need to understand what shapes the distribution of drought sensitivity in tropical plants. We conducted a pantropical data synthesis representing 1117 species to test whether xylem-specific hydraulic conductivity (K S ), water potential at leaf turgor loss (Ψ TLP ) and water potential at 50% loss of K SP50 ) varied along climate gradients. The Ψ TLP and Ψ P50 increased with climatic moisture only for evergreen species, but K S did not. Species with high Ψ TLP and Ψ P50 values were associated with both dry and wet environments. However, drought-deciduous species showed high Ψ TLP and Ψ P50 values regardless of water availability, whereas evergreen species only in wet environments. All three traits showed a weak phylogenetic signal and a short half-life. These results suggest strong environmental controls on trait variance, which in turn is modulated by leaf habit along climatic moisture gradients in the tropics.
(© 2022 The Authors. Ecology Letters published by John Wiley & Sons Ltd.)
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معلومات مُعتمدة: NSF award DEB-1753810 National Science Foundation; DE-SC0020344 U.S. Department of Energy; Graduate School, University of Minnesota; ICGC-Scholar Interdisciplinary Center for the Study of Global Change, University of Minnesota
فهرسة مساهمة: Keywords: aridity; pantropical; rainfall seasonality; turgor loss point; xylem hydraulic conductivity; xylem vulnerability to embolism
تواريخ الأحداث: Date Created: 20221018 Date Completed: 20221129 Latest Revision: 20230111
رمز التحديث: 20231215
مُعرف محوري في PubMed: PMC9828425
DOI: 10.1111/ele.14128
PMID: 36257904
قاعدة البيانات: MEDLINE
الوصف
تدمد:1461-0248
DOI:10.1111/ele.14128