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
Journal Articles Nature Water Year : 2024

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

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

Abstract

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 and versions

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

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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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