Trends and issues in delivery of integrated catchment scale river restoration: Lessons learned from a national river restoration survey within Scotland

2010 ◽  
Vol 28 (2) ◽  
pp. 234-246 ◽  
Author(s):  
David J. Gilvear ◽  
Roser Casas-Mulet ◽  
Chris J. Spray
Keyword(s):  
River Restoration ◽  
Lessons Learned ◽  
Catchment Scale

Form-based river restoration decreases wetland hyporheic exchange: Lessons learned from the Upper Colorado River

2018 ◽  
Vol 44 (1) ◽  
pp. 191-203
Author(s):  
Matthew S. Sparacino ◽  
Sara L. Rathburn ◽  
Timothy P. Covino ◽  
Kamini Singha ◽  
Michael J. Ronayne
Keyword(s):  
River Restoration ◽  
Colorado River ◽  
Lessons Learned ◽  
Hyporheic Exchange

scholarly journals The effects of river restoration on catchment scale flood risk and flood hydrology

2016 ◽  
Vol 41 (7) ◽  
pp. 997-1008 ◽  
Author(s):  
Simon J. Dixon ◽  
David A. Sear ◽  
Nicholas A. Odoni ◽  
Tim Sykes ◽  
Stuart N. Lane
Keyword(s):  
Flood Risk ◽  
River Restoration ◽  
Catchment Scale ◽  
Flood Hydrology

scholarly journals Invertebrate Responses to Restoration across Benthic and Hyporheic Stream Compartments

Water ◽  
2021 ◽  
Vol 13 (7) ◽  
pp. 996
Author(s):  
Anne L. Robertson ◽  
Daniel M. Perkins ◽  
Judy England ◽  
Tim Johns
Keyword(s):  
River Restoration ◽  
Hyporheic Zone ◽  
Biological Traits ◽  
Taxon Richness ◽  
Catchment Scale ◽  
Β Diversity ◽  
Monitoring Protocols ◽  
The Impact ◽  
Time Point

River restoration is a multi-billion-dollar business, yet it is unclear whether benthic community health, which is routinely monitored, can be used as a proxy for the health of the hyporheos. Applying a Before-After-Control-Impact approach to a UK case study, we compared the effects of removing an impoundment on the hyporheos with effects on the benthos. We compared invertebrate biological traits that we expected to respond to the restoration. We constructed sample-size based diversity curves and determined β-diversity between compartments and reaches. Two years post-restoration, hyporheic taxon richness was significantly lower in the restored reach compared to the control. However, three years post-restoration taxon richness was significantly higher in the impact reach. The composition of the control and impact reach hyporheos was most dissimilar at the first sampling time point post-restoration and at this time there was a universal decrease in the relative abundance of burrowing organisms respiring through gills. We did not detect a signal of restoration on benthic assemblage diversity and composition, perhaps because reach-scale restorations can be overwhelmed by catchment-scale disturbances. Thus, the hyporheos and the benthos responded differently to restoration. Given the importance of the hyporheic zone in the provision of ecosystem function and services, it is clear that it should be included in future monitoring protocols that aim to assess river restoration success.

River restoration: the fuzzy logic of repairing reaches to reverse catchment scale degradation

2011 ◽  
Vol 21 (6) ◽  
pp. 1926-1931 ◽  
Author(s):  
Emily S. Bernhardt ◽  
Margaret A. Palmer
Keyword(s):  
Fuzzy Logic ◽  
River Restoration ◽  
Catchment Scale

scholarly journals Defining Recovery Potential in River Restoration: A Biological Data-Driven Approach

Water ◽  
2021 ◽  
Vol 13 (23) ◽  
pp. 3339
Author(s):  
Martin A. Wilkes ◽  
Morwenna Mckenzie ◽  
Marc Naura ◽  
Laura Allen ◽  
Mike Morris ◽  
...  
Keyword(s):  
River Restoration ◽  
Reference Conditions ◽  
River System ◽  
Biological Data ◽  
Nutrient Inputs ◽  
Management Scenarios ◽  
Catchment Scale ◽  
Restoration Planning ◽  
Recovery Potential ◽  
Restoration Measures

Scientists and practitioners working on river restoration have made progress on understanding the recovery potential of rivers from geomorphological and engineering perspectives. We now need to build on this work to gain a better understanding of the biological processes involved in river restoration. Environmental policy agendas are focusing on nature recovery, reigniting debates about the use of “natural” reference conditions as benchmarks for ecosystem restoration. We argue that the search for natural or semi-natural analogues to guide restoration planning is inappropriate due to the absence of contemporary reference conditions. With a catchment-scale case study on the invertebrate communities of the Warwickshire Avon, a fifth-order river system in England, we demonstrate an alternative to the reference condition approach. Under our model, recovery potential is quantified based on the gap between observed biodiversity at a site and the biodiversity predicted to occur in that location under alternative management scenarios. We predict that commonly applied restoration measures such as reduced nutrient inputs and the removal of channel resectioning could be detrimental to invertebrate diversity, if applied indiscriminately and without other complementary measures. Instead, our results suggest considerable potential for increases in biodiversity when restoration measures are combined in a way that maximises biodiversity within each water body.

scholarly journals Creating a catchment scale perspective for river restoration

2011 ◽  
Vol 15 (9) ◽  
pp. 2995-3015 ◽  
Author(s):  
L. Benda ◽  
D. Miller ◽  
J. Barquín
Keyword(s):  
Land Use ◽  
River Restoration ◽  
Valley Floor ◽  
River Channels ◽  
Catchment Scale ◽  
River Catchment ◽  
Restoration Planning ◽  
Fluvial Landscape ◽  
River Control ◽  
Geomorphic Processes

Abstract. One of the major challenges in river restoration is to identify the natural fluvial landscape in catchments with a long history of river control. Intensive land use on valley floors often predates the earliest remote sensing: levees, dikes, dams, and other structures alter valley-floor morphology, river channels and flow regimes. Consequently, morphological patterns indicative of the fluvial landscape including multiple channels, extensive floodplains, wetlands, and fluvial-riparian and tributary-confluence dynamics can be obscured, and information to develop appropriate and cost effective river restoration strategies can be unavailable. This is the case in the Pas River catchment in northern Spain (650 km2), in which land use and development have obscured the natural fluvial landscape in many parts of the basin. To address this issue we used computer tools to examine the spatial patterns of fluvial landscapes that are associated with five domains of hydro-geomorphic processes and landforms. Using a 5-m digital elevation model, valley-floor surfaces were mapped according to elevation above the channel and proximity to key geomorphic processes. The predicted fluvial landscape is patchily distributed according to hillslope and valley topography, river network structure, and channel elevation profiles. The vast majority of the fluvial landscape in the main segments of the Pas River catchment is presently masked by human infrastructure, with only 15% not impacted by river control structures and development. The reconstructed fluvial landscape provides a catchment scale context to support restoration planning, in which areas of potential ecological productivity and diversity could be targeted for in-channel, floodplain and riparian restoration projects.

scholarly journals Challenging issues of urban biodiversity related to ecohydrology

2008 ◽  
Vol 68 (4 suppl) ◽  
pp. 983-1002 ◽  
Author(s):  
EM. Mendiondo
Keyword(s):  
Case Studies ◽  
River Restoration ◽  
Water Governance ◽  
Lessons Learned ◽  
Urban Biodiversity ◽  
Environmental Services ◽  
Complementary Approach

This paper aims to outline challenging issues of urban biodiversity in order to address yardsticks related to ecohydrology, and with a complementary approach to eutrophication impacts. The vision of environmental services, urbanization's consequences and management aspects of water governance are also depicted. Factors of river restoration, environmental tradeoffs and socio-cultural constrains are envisaged through concept questions towards emerging aspects that figure out methodological guides, strategic challenges for stakeholders and inter-disciplinary opportunities. Examples from case studies on restoration and management, from experiences and lessons learned, are enclosed, with brief discussions and literature citation.

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