Causes, responses, and implications of anthropogenic versus natural flow intermittence in river networks

Datry, T, Truchy, A, Olden, JD, Busch, MH, Stubbington, R ORCID: https://orcid.org/0000-0001-8475-5109, Dodds, WK, Zipper, S, Yu, S, Messager, ML, Tonkin, JD, Kaiser, KE, Hammond, JC, Moody, EK, Burrows, RM, Sarremejane, R, DelVecchia, AG, Fork, ML, Little, CJ, Walker, RH, Walters, AW and Allen, D, 2022. Causes, responses, and implications of anthropogenic versus natural flow intermittence in river networks. BioScience. ISSN 0006-3568

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Abstract

Rivers that do not flow year-round are the predominant type of running waters on Earth. Despite a burgeoning literature on natural flow intermittence (NFI), knowledge about the hydrological causes and ecological effects of human-induced, anthropogenic flow intermittence (AFI) remains limited. NFI and AFI could generate contrasting hydrological and biological responses in rivers due to distinct underlying causes of drying and evolutionary adaptations of their biota. We first review the causes of AFI and show how different anthropogenic drivers alter the timing, frequency and duration of drying, compared to NFI. Second, we evaluate the possible differences in biodiversity responses, ecological functions, and ecosystem services between NFI and AFI. Last, we outline knowledge gaps and management needs related to AFI. Due to the distinct hydrologic characteristics and ecological impacts of AFI, ignoring the distinction between NFI and AFI could undermine management of intermittent rivers and ephemeral streams and exacerbate risks to the ecosystems and societies downstream.

Item Type:	Journal article
Publication Title:	BioScience
Creators:	Datry, T., Truchy, A., Olden, J.D., Busch, M.H., Stubbington, R., Dodds, W.K., Zipper, S., Yu, S., Messager, M.L., Tonkin, J.D., Kaiser, K.E., Hammond, J.C., Moody, E.K., Burrows, R.M., Sarremejane, R., DelVecchia, A.G., Fork, M.L., Little, C.J., Walker, R.H., Walters, A.W. and Allen, D.
Publisher:	Oxford University Press (OUP)
Date:	7 December 2022
ISSN:	0006-3568
Identifiers:	Number Type 10.1093/biosci/biac098 DOI 1626945 Other
Rights:	This is a pre-copyedited, author-produced version of an article accepted for publication in Bioscience following peer review. The version of record Datry, T., Truchy, A., Olden, J. D., Busch, M. H., Stubbington, R., Dodds, W. K., …Allen, D. (2022). Causes, responses, and implications of anthropogenic versus natural flow intermittence in river networks. Bioscience, is available online at: https://doi.org/10.1093/biosci/biac098
Divisions:	Schools > School of Science and Technology
Record created by:	Laura Ward
Date Added:	13 Dec 2022 13:54
Last Modified:	07 Dec 2023 03:00
URI:	https://irep.ntu.ac.uk/id/eprint/47647

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