Flow intermittence in river networks: understanding the ecohydrological diversity of aquatic-terrestrial ecosystems: Editorial to the special issue “The ecohydrology of temporary streams”

Rachel Stubbington, Victoria Milner, Paul Wood

Research output: Contribution to journalEditorial

Abstract

Temporary streams comprise dynamic mosaics of lotic, lentic and terrestrial habitats and dominate global river networks, occurring across regions with contrasting climate types. Recent advances in our ecohydrological understanding of temporary streams have focused on systems in arid, semi-arid and mediterranean climates. In this special issue, we present new temporary stream research from underrepresented regions, primarily cool, wet temperate climates but also continental central Europe and the mediterranean-climate region of South Africa. We bring together observational case studies, laboratory experiments, and field surveys spanning surface water and groundwater habitats. Papers within the special issue explore ecological responses to flow intermittence; examine biodiversity patterns of rare and endemic species at broad spatial scales; characterize diverse responses to drying events within and among populations; demonstrate the value of long-term observational data in understanding the hydrological drivers that underpin biotic responses; and present opportunities to improve temporary stream monitoring and management. Collectively, these contributions complement dryland research to advance global understanding of temporary stream ecohydrology. However, the terrestrial communities that inhabit dry channels remain a notable research gap, which we address in a review of global literature. As global change causes an increase in their extent across climate regions, we urge researchers and stakeholders to collaborate to implement recommendations that address the challenges associated with the effective management of temporary streams as aquatic–terrestrial ecosystems.
LanguageEnglish
Pages1-19
Number of pages19
JournalFundamental and Applied Limnology
Volume193
Issue number1
Early online date7 Aug 2019
DOIs
Publication statusPublished - 1 Sep 2019

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ecohydrology
terrestrial ecosystem
aquatic ecosystem
rivers
river
Mediterranean climate
climate
hydrologic data
semiarid zones
habitat
global change
rare species
habitats
temperate zones
endemic species
arid lands
Central European region
stakeholders
field survey
terrestrial ecosystems

Cite this

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title = "Flow intermittence in river networks: understanding the ecohydrological diversity of aquatic-terrestrial ecosystems: Editorial to the special issue “The ecohydrology of temporary streams”",
abstract = "Temporary streams comprise dynamic mosaics of lotic, lentic and terrestrial habitats and dominate global river networks, occurring across regions with contrasting climate types. Recent advances in our ecohydrological understanding of temporary streams have focused on systems in arid, semi-arid and mediterranean climates. In this special issue, we present new temporary stream research from underrepresented regions, primarily cool, wet temperate climates but also continental central Europe and the mediterranean-climate region of South Africa. We bring together observational case studies, laboratory experiments, and field surveys spanning surface water and groundwater habitats. Papers within the special issue explore ecological responses to flow intermittence; examine biodiversity patterns of rare and endemic species at broad spatial scales; characterize diverse responses to drying events within and among populations; demonstrate the value of long-term observational data in understanding the hydrological drivers that underpin biotic responses; and present opportunities to improve temporary stream monitoring and management. Collectively, these contributions complement dryland research to advance global understanding of temporary stream ecohydrology. However, the terrestrial communities that inhabit dry channels remain a notable research gap, which we address in a review of global literature. As global change causes an increase in their extent across climate regions, we urge researchers and stakeholders to collaborate to implement recommendations that address the challenges associated with the effective management of temporary streams as aquatic–terrestrial ecosystems.",
keywords = "Flow cessation, Non-perennial, Riverbed drying, Streambed drying, Temperate, Temporary river, Non-perennial river",
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