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  • Mattos, Caio R. C.Rutgers State Univ, Dept Earth & Planetary Sci, New Brunswick, NJ 07102 USA.;Princeton Univ, Program Atmospher & Ocean Sci, Princeton, NJ 08544 USA. (author)

Rainfall and topographic position determine tree embolism resistance in AmazÃŽnia and Cerrado sites

  • Article/chapterEnglish2023

Publisher, publication year, extent ...

  • Institute of Physics Publishing (IOPP),2023
  • electronicrdacarrier

Numbers

  • LIBRIS-ID:oai:DiVA.org:uu-515672
  • https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-515672URI
  • https://doi.org/10.1088/1748-9326/ad0064DOI

Supplementary language notes

  • Language:English
  • Summary in:English

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  • Subject category:ref swepub-contenttype
  • Subject category:art swepub-publicationtype

Notes

  • Droughts are predicted to increase in both frequency and intensity by the end of the 21st century, but ecosystem response is not expected to be uniform across landscapes. Here we assess the importance of the hill-to-valley hydrologic gradient in shaping vegetation embolism resistance under different rainfall regimes using hydraulic functional traits. We demonstrate that rainfall and hydrology modulate together the embolism resistance of tree species in different sites and topographic positions. Although buffered by stable access to groundwater, valley plants are intrinsically more vulnerable to drought-induced embolism than those on hills. In all study sites, the variability in resistance to embolism is higher on hills than on valleys, suggesting that the diversity of strategies to cope with drought is more important for tree communities on hills. When comparing our results with previously published data across the tropics, we show greater variability at the local scale than previously reported. Our results reinforce the urgent need to extend sampling efforts across rainfall regimes and topographic positions to improve the characterization of ecosystem resistance to drought at finer spatial scales.

Subject headings and genre

Added entries (persons, corporate bodies, meetings, titles ...)

  • Mazzochini, Guilherme G.Univ Estadual Campinas, Dept Plant Biol, Campinas, Brazil. (author)
  • Rius, Bianca F.Univ Estadual Campinas, Ctr Meteorol & Climat Res Appl Agr, Earth Syst Sci Lab, Campinas, Brazil. (author)
  • Penha, DelianeUniv Fed Oeste Para, Programa Pos Graduacao Biodiversidade, Santarem, Brazil.;Inst Nacl de Pesquisas da Amazonia, Programa Pos Graduacao Bot, Manaus, Brazil. (author)
  • Giacomin, Leandro L.Inst Nacl de Pesquisas da Amazonia, Programa Pos Graduacao Bot, Manaus, Brazil.;Univ Fed Paraiba, Ctr Ciencias Exatas & Nat, Dept Sistemat & Ecol, Joao Pessoa, Brazil. (author)
  • Flores, Bernardo M.Univ Fed Santa Catarina, Grad Program Ecol, Florianopolis, Brazil. (author)
  • Silva, Mateus C.Univ Estadual Campinas, Dept Plant Biol, Campinas, Brazil.;Univ Exeter, Coll Life & Environm Sci, Dept Geog, Exeter, England. (author)
  • Xavier, Rafael O.Univ Estadual Campinas, Dept Plant Biol, Campinas, Brazil.;Univ Fed Piaui, Ctr Ciencias Nat, Dept Biol, Teresina, Brazil. (author)
  • Nehemy, Magali F.Trent Univ, Trent Sch Environm, Peterborough, ON, Canada. (author)
  • Petroni, Amanda R.Univ Estadual Campinas, Dept Plant Biol, Campinas, Brazil. (author)
  • Silva, Julliene S. G. M.Univ Estadual Campinas, Dept Plant Biol, Campinas, Brazil. (author)
  • Schlickmann, Monique B.Univ Fed Oeste Para, Programa Pos Graduacao Biodiversidade, Santarem, Brazil.;Univ Florida, Sch Forest Fisheries & Geomatics Sci, Gainesville, FL USA. (author)
  • Rocha, MaydaUniv Fed Oeste Para, Programa Pos Graduacao Biodiversidade, Santarem, Brazil. (author)
  • Rodrigues, GleicyUniv Fed Oeste Para, Programa Pos Graduacao Biodiversidade, Santarem, Brazil.;Inst Nacl de Pesquisas da Amazonia, Programa Pos Graduacao Bot, Manaus, Brazil. (author)
  • Costa, Soliane S.Univ Fed Oeste Para, Programa Pos Graduacao Biodiversidade, Santarem, Brazil. (author)
  • Barros, Fernanda, VUniv Exeter, Coll Life & Environm Sci, Dept Geog, Exeter, England. (author)
  • Tavares, Julia VUppsala universitet,Institutionen för ekologi och genetik,Evolutionary Biology Centre (author)
  • Furtado, Mariana N.Univ Estadual Campinas, Dept Plant Biol, Campinas, Brazil. (author)
  • Verona, Larissa S.Univ Estadual Campinas, Dept Plant Biol, Campinas, Brazil. (author)
  • Oliveira-Alves, Maria J.Univ Estadual Campinas, Dept Plant Biol, Campinas, Brazil. (author)
  • Oliveira, Rafael S.Univ Estadual Campinas, Dept Plant Biol, Campinas, Brazil. (author)
  • Fan, YingRutgers State Univ, Dept Earth & Planetary Sci, New Brunswick, NJ 07102 USA. (author)
  • Hirota, MarinaUniv Estadual Campinas, Dept Plant Biol, Campinas, Brazil.;Univ Fed Santa Catarina, Grad Program Ecol, Florianopolis, Brazil.;Univ Fed Santa Catarina, Dept Phys, Florianopolis, Brazil. (author)
  • Rutgers State Univ, Dept Earth & Planetary Sci, New Brunswick, NJ 07102 USA.;Princeton Univ, Program Atmospher & Ocean Sci, Princeton, NJ 08544 USA.Univ Estadual Campinas, Dept Plant Biol, Campinas, Brazil. (creator_code:org_t)

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  • In:Environmental Research Letters: Institute of Physics Publishing (IOPP)18:111748-9326

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