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Riverscape approaches in practice: perspectives and applications

Torgersen, Christian E.; Le Pichon, Céline; Fullerton, Aimee H.; Dugdale, Stephen J.; Duda, Jeffrey J.; Giovannini, Floriane; Tales, Évelyne; Belliard, Jérôme; Branco, Paulo; Bergeron, Normand E.; Roy, Mathieu L.; Tonolla, Diego; Lamouroux, Nicolas; Capra, Hervé; Baxter, Colden V.

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Authors

Christian E. Torgersen

Céline Le Pichon

Aimee H. Fullerton

Jeffrey J. Duda

Floriane Giovannini

Évelyne Tales

Jérôme Belliard

Paulo Branco

Normand E. Bergeron

Mathieu L. Roy

Diego Tonolla

Nicolas Lamouroux

Hervé Capra

Colden V. Baxter



Abstract

Landscape perspectives in riverine ecology have been undertaken increasingly in the last 30 years, leading aquatic ecologists to develop a diverse set of approaches for conceptualizing, mapping and understanding ‘riverscapes’. Spatiotemporally explicit perspectives of rivers and their biota nested within the socio-ecological landscape now provide guiding principles and approaches in inland fisheries and watershed management. During the last two decades, scientific literature on riverscapes has increased rapidly, indicating that the term and associated approaches are serving an important purpose in freshwater science and management. We trace the origins and theoretical foundations of riverscape perspectives and approaches and examine trends in the published literature to assess the state of the science and demonstrate how they are being applied to address recent challenges in the management of riverine ecosystems. We focus on approaches for studying and visualizing rivers and streams with remote sensing, modelling and sampling designs that enable pattern detection as seen from above (e.g. river channel, floodplain, and riparian areas) but also into the water itself (e.g. aquatic organisms and the aqueous environment). Key concepts from landscape ecology that are central to riverscape approaches are heterogeneity, scale (resolution, extent and scope) and connectivity (structural and functional), which underpin spatial and temporal aspects of study design, data collection and analysis. Mapping of physical and biological characteristics of rivers and floodplains with high-resolution, spatially intensive techniques improves understanding of the causes and ecological consequences of spatial patterns at multiple scales. This information is crucial for managing river ecosystems, especially for the successful implementation of conservation, restoration and monitoring programs. Recent advances in remote sensing, field-sampling approaches and geospatial technology are making it increasingly feasible to collect high-resolution data over larger scales in space and time. We highlight challenges and opportunities and discuss future avenues of research with emerging tools that can potentially help to overcome obstacles to collecting, analysing and displaying these data. This synthesis is intended to help researchers and resource managers understand and apply these concepts and approaches to address real-world problems in freshwater management.

Journal Article Type Article
Acceptance Date Oct 18, 2021
Online Publication Date Nov 10, 2021
Publication Date 2022-04
Deposit Date Nov 15, 2021
Publicly Available Date Nov 11, 2022
Journal Biological Reviews
Print ISSN 1464-7931
Electronic ISSN 1469-185X
Publisher Wiley
Peer Reviewed Peer Reviewed
Volume 97
Issue 2
Pages 481-504
DOI https://doi.org/10.1111/brv.12810
Keywords General Agricultural and Biological Sciences; General Biochemistry, Genetics and Molecular Biology
Public URL https://nottingham-repository.worktribe.com/output/6724281
Publisher URL https://onlinelibrary.wiley.com/doi/10.1111/brv.12810
Additional Information This is the peer reviewed version of the following article: Torgersen, C.E., Le Pichon, C., Fullerton, A.H., Dugdale, S.J., Duda, J.J., Giovannini, F., Tales, É., Belliard, J., Branco, P., Bergeron, N.E., Roy, M.L., Tonolla, D., Lamouroux, N., Capra, H. and Baxter, C.V. (2022), Riverscape approaches in practice: perspectives and applications. Biol Rev, 97: 481-504, which has been published in final form at https://doi.org/10.1111/brv.12810. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Use of Self-Archived Versions. This article may not be enhanced, enriched or otherwise transformed into a derivative work, without express permission from Wiley or by statutory rights under applicable legislation. Copyright notices must not be removed, obscured or modified. The article must be linked to Wiley’s version of record on Wiley Online Library and any embedding, framing or otherwise making available the article or pages thereof by third parties from platforms, services and websites other than Wiley Online Library must be prohibited.

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