Biogeochemical and community ecology responses to the wetting of non-perennial streams - INRAE - Institut national de recherche pour l’agriculture, l’alimentation et l’environnement
Article Dans Une Revue Nature Water Année : 2024

Biogeochemical and community ecology responses to the wetting of non-perennial streams

Margaret Ann Zimmer
  • Fonction : Auteur
Amy Jo Burgin
Erin Cedar Seybold
Corey Anne Krabbenhoft
Sam Zipper
Michelle Hope Busch
Walter Kennedy Dodds
Annika Walters
Rachel Stubbington
Richard Harry Walker
  • Fonction : Auteur
James Christian Stegen
Thibault Datry
Julian Olden
Sarah Elizabeth Godsey
  • Fonction : Auteur
David Lytle
Ryan Burrows
Kendra Elena Kaiser
  • Fonction : Auteur
George Henry Allen
Meryl Christine Mims
  • Fonction : Auteur
Jonathan Douglas Tonkin
Michael Bogan
  • Fonction : Auteur
John Christopher Hammond
  • Fonction : Auteur
Kate Boersma
Allison Nicole Myers-Pigg
  • Fonction : Auteur
Amanda Delvecchia
  • Fonction : Auteur
Daniel Allen
Songyan Yu
  • Fonction : Auteur
Adam Ward
  • Fonction : Auteur

Résumé

Transitions between dry and wet hydrologic states are the defining characteristic of non-perennial rivers and streams, which constitute the majority of the global river network. Although past work has focused on stream drying characteristics, there has been less focus on how hydrology, ecology and biogeochemistry respond and interact during stream wetting. Wetting mechanisms are highly variable and can range from dramatic floods and debris flows to gradual saturation by upwelling groundwater. This variation in wetting affects ecological and biogeochemical functions, including nutrient processing, sediment transport and the assembly of biotic communities. Here we synthesize evidence describing the hydrological mechanisms underpinning different types of wetting regimes, the associated biogeochemical and organismal responses, and the potential scientific and management implications for downstream ecosystems. This combined multidisciplinary understanding of wetting dynamics in non-perennial streams will be key to predicting and managing for the effects of climate change on non-perennial ecosystems.
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Dates et versions

hal-04750033 , version 1 (23-10-2024)

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Citer

Adam Nicholas Price, Margaret Ann Zimmer, Anna Bergstrom, Amy Jo Burgin, Erin Cedar Seybold, et al.. Biogeochemical and community ecology responses to the wetting of non-perennial streams. Nature Water, 2024, 2 (9), pp.815-826. ⟨10.1038/s44221-024-00298-3⟩. ⟨hal-04750033⟩
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