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首页> 外文期刊>Ecology letters >Diverging functional strategies but high sensitivity to an extreme drought in tropical dry forests
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Diverging functional strategies but high sensitivity to an extreme drought in tropical dry forests

机译:发散功能策略,但对热带干燥林中的极端干旱感受高的敏感性

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摘要

Extreme drought events have negative effects on forest diversity and functioning. At the species level, however, these effects are still unclear, as species vary in their response to drought through specific functional trait combinations. We used long-term demographic records of 21,821 trees and extensive databases of traits to understand the responses of 338 tropical dry forests tree species to ENSO2015, the driest event in decades in Northern South America. Functional differences between species were related to the hydraulic safety-efficiency trade-off, but unexpectedly, dominant species were characterised by high investment in leaf and wood tissues regardless of their leaf phenological habit. Despite broad functional trait combinations, tree mortality was more widespread in the functional space than tree growth, where less adapted species showed more negative net biomass balances. Our results suggest that if dry conditions increase in this ecosystem, ecological functionality and biomass gain would be reduced.
机译:None

著录项

  • 来源
    《Ecology letters》 |2021年第3期|共13页
  • 作者单位

    Inst Invest Recursos Biol Alexander von Humboldt Programa Ciencias Basicas Biodiversidad Cr 1 16-20 Bogota Colombia;

    Univ Rosario Dept Biol Fac Nat Sci Cr 24 63C-69 Bogota Colombia;

    Univ Tartu Inst Ecol &

    Earth Sci Lai 40 EE-51005 Tartu Estonia;

    Inst Invest Recursos Biol Alexander von Humboldt Programa Ciencias Basicas Biodiversidad Cr 1 16-20 Bogota Colombia;

    Inst Invest Recursos Biol Alexander von Humboldt Programa Ciencias Basicas Biodiversidad Cr 1 16-20 Bogota Colombia;

    Fdn Jardin Bot Medellin Herbario Joaquin Antonio Uribe JAUM Cll 73 51D-14 Medellin Colombia;

    Univ ICESI Fac Ciencias Nat Dept Biol Cll 18 122-135 Pance Cali Colombia;

    Inst Invest Recursos Biol Alexander von Humboldt Programa Ciencias Basicas Biodiversidad Cr 1 16-20 Bogota Colombia;

    Univ Distrital Francisco Jose Caldas Fac Medio Ambiente &

    Recursos Nat Cr 5 Este 15-82 Bogota Colombia;

    Inst Invest Recursos Biol Alexander von Humboldt Programa Ciencias Basicas Biodiversidad Cr 1 16-20 Bogota Colombia;

    Inst Invest Recursos Biol Alexander von Humboldt Programa Ciencias Basicas Biodiversidad Cr 1 16-20 Bogota Colombia;

    Inst Invest Recursos Biol Alexander von Humboldt Programa Ciencias Basicas Biodiversidad Cr 1 16-20 Bogota Colombia;

    Fdn Ecosistemas Secos Colombia Cll 5A 70C-31 Bogota Colombia;

    Parques Nac Nat Colombia Direccion Terr Caribe Cll 17 4-06 Santa Marta Colombia;

    Univ Valle Fac Ciencias Dept Biol Cll 13 100-00 Cali Colombia;

    Asociac GAICA Cll 11A 32-21 Pasto Colombia;

    Univ Atlantico Programa Biol Km 7 Via Puerto Barranquilla Colombia;

    Jardin Bot Valle Cauca Juan Maria Cespedes INCIVA Cra 27 31-47 Tulua Colombia;

    Inst Invest Recursos Biol Alexander von Humboldt Programa Ciencias Basicas Biodiversidad Cr 1 16-20 Bogota Colombia;

    Univ Nacl Colombia Dept Biol Bogota Colombia;

  • 收录信息
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 普通生物学;
  • 关键词

    Biomass; demographic rates; hydraulic safetyamp; 8208; efficiency tradeamp; 8208; off; investment in tissues; trait probability density;

    机译:生物质;人口统计率;液压安全&8208;效率贸易和amp;8208;关闭;在组织中投资;特质概率密度;

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