Is the hyporheic zone relevant beyond the scientific community?

Jörg Lewandowski, Shai Arnon, Eddie Banks, Okke Batelaan, Andrea Betterle, Tabea Broecker, Claudia Coll, Jennifer D. Drummond, Jaime Gaona Garcia, Jason Galloway, Jesus Gomez-Velez, Robert C. Grabowski, Skuyler P. Herzog, Reinhard Hinkelmann, Anja Höhne, Juliane Hollender, Marcus A. Horn, Anna Jaeger, Stefan Krause, Adrian Löchner PratsChiara Magliozzi, Karin Meinikmann, Brian Babak Mojarrad, Birgit Maria Mueller, Ignacio Peralta-Maraver, Andrea L. Popp, Malte Posselt, Anke Putschew, Michael Radke, Muhammad Raza, Joakim Riml, Anne Robertson, Cyrus Rutere, Jonas L. Schaper, Mario Schirmer, Hanna Schulz, Margaret Shanafield, Tanu Singh, Adam S. Ward, Philipp Wolke, Anders Wörman, Liwen Wu

    Research output: Contribution to journalArticle

    13 Citations (Scopus)

    Abstract

    Rivers are important ecosystems under continuous anthropogenic stresses. The hyporheic zone is a ubiquitous, reactive interface between the main channel and its surrounding sediments along the river network. We elaborate on the main physical, biological, and biogeochemical drivers and processes within the hyporheic zone that have been studied by multiple scientific disciplines for almost half a century. These previous efforts have shown that the hyporheic zone is a modulator for most metabolic stream processes and serves as a refuge and habitat for a diverse range of aquatic organisms. It also exerts a major control on river water quality by increasing the contact time with reactive environments, which in turn results in retention and transformation of nutrients, trace organic compounds, fine suspended particles, and microplastics, among others. The paper showcases the critical importance of hyporheic zones, both from a scientific and an applied perspective, and their role in ecosystem services to answer the question of the manuscript title. It identifies major research gaps in our understanding of hyporheic processes. In conclusion, we highlight the potential of hyporheic restoration to efficiently manage and reactivate ecosystem functions and services in river corridors.

    Original languageEnglish
    Article number2230
    Number of pages32
    JournalWater (Switzerland)
    Volume11
    Issue number11
    DOIs
    Publication statusPublished - 25 Oct 2019

    Bibliographical note

    © 2019 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/)

    Keywords

    • Ecosystem services
    • Emerging pollutants
    • Hyporheic exchange flow
    • Hyporheic zone
    • Hyporheos
    • Nutrient turnover
    • Refuge
    • Removal of trace organic compounds
    • Self-purification capacity
    • Surface water-groundwater exchange

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