Monitoring the effectiveness of floodplain habitat restoration: A review of methods and recommendations for future monitoring

Roni, Philip; Hall, Jason E.; Drenner, S. Matthew; Arterburn, Derek

doi:10.1002/wat2.1355

Cited by 32 publications

(33 citation statements)

References 176 publications

(288 reference statements)

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“…Synchronous flow and form are recognized as important components of river restoration [8,18,19,194], but along with this a sediment budget is needed that is also synchronous with the flow regime, especially for reaches immediately below dams [191,195]. Remote sensing, field monitoring and differencing of topographic maps to yield sediment budgets provide a tested and easy way to track river and habitat evolution over time [36,37,47]. Similar to other forms of river restoration, gains from rescaling alluvial river morphology may ultimately diminish if not maintained [196].…”

Section: Discussionmentioning

confidence: 99%

“…Downscaled and resized hydrographs have been shown to provide environmental benefits to fish communities including salmon [33,34] as well as riparian vegetation communities [22]. Topographic rescaling of river channels entails spawning riffle, gravel bar, and pool creation [35,36] as well as the manipulation of off-channel and floodplain features to create juvenile rearing habitat for post-dam flow regimes [28,37]. For example, in the gravel-cobble bedded reaches of California's Merced River below Crocker-Huffman Dam there have been over 6 km of river channel and off-channel habitats restored for fall-run Chinook salmon (Oncorhynchus tshawytscha) using the concept of rescaling the river channel to remediate impacts from flow regulation and gravel and sand mining (Figure 2).…”

Section: Introductionmentioning

confidence: 99%

“…The concepts presented herein focus on Pacific salmon and throughout the paper an example is used for native fall-run Chinook salmon (Oncorhynchus tshawytscha) in the regulated and highly modified Merced River located in the Central Valley of California, USA. Background for Chinook salmon habitat restoration in the Merced River can be found in [34,35,37,59].…”

Section: Introductionmentioning

confidence: 99%

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Hydrogeomorphic Scaling and Ecohydraulics for Designing Rescaled Channel and Floodplain Geometry in Regulated Gravel–Cobble Bed Rivers for Pacific Salmon Habitat

Brown

2022

Water

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Societies are increasingly restoring and/or rehabilitating rivers below dams for keystone species such as salmon. A fundamental concept for rehabilitating river morphology below dams for salmon is that a rescaled version of the river corridor synchronized to the regulated flow regime can restore habitat quantity and quality. Downscaled and resized hydrographs have been shown to provide environmental benefits to fish communities including salmon as well as riparian vegetation communities. However, less research exists on how this can be achieved through the topographic rescaling of heavily modified and regulated river corridors. The goal of this paper is to review analytical methods to determine initial of size of rescaled channel and floodplain mesohabitat units in regulated gravel–cobble bed rivers for Pacific salmon (Oncorhynchus spp.) habitat using hydrogeomorphic scaling and ecohydraulics. Hydrogeomorphic flow scaling is the prediction of river morphology and geometry using empirical and analytical relationships. Ecohydraulic scaling refers to the use of ecohydrology, habitat suitability curves, and fish density relationships to determine the size of mesohabitat units for ecologically relevant flows. In practice, these are complimentary first order estimates of channel and floodplain configurations followed by iterative design in a hierarchical manner. This review advances the science of river design by synthesizing these complimentary ideologies for Pacific salmon habitat restoration in regulated rivers. Following the review, the layout of features is briefly discussed followed by a discussion of important considerations beyond the physical and topographic rescaling of river corridors for salmonid habitat restoration.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Hydrogeomorphic Scaling and Ecohydraulics for Designing Rescaled Channel and Floodplain Geometry in Regulated Gravel–Cobble Bed Rivers for Pacific Salmon Habitat

Brown

2022

Water

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“…Parasites have proven to be suitable indicators for many aspects of the biology of their hosts, as well as sensitive indicators of changing conditions in aquatic systems (Blanar et al, 2009;Marcogliese, 2005;Sures et al, 2017). Indeed, they meet most of the the recommended criteria for suitable indicators in several branches of environmental sciences related to environmental impact analysis and evaluation of restoration processes (Bellinger & Sigee, 2010;Gibbons, Pearthree, Cloutier, & Ehlenz, 2020;Pander & Geist, 2013;Roni, Hall, Drenner, & Arterburn, 2019;Sures et al, 2017). Their value as indicators of the occurrence and magnitude of these changes relies on several characteristics of parasitism.…”

Section: Discussionmentioning

confidence: 99%

Parasites of Percophis brasiliensis (Percophidae) benefited from fishery regulations: Indicators of success for marine protected areas?

Braicovich

Irigoitia

Bovcon

et al. 2020

Aquatic Conservation

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Fishing is the greatest source of anthropogenic impact on global marine resources and the ecosystems supporting them. The decline of many fish stocks has led to the need to apply control and protection measures to promote the recovery of these resources. In the Argentine Sea, a multispecies coastal fishery in the El Rincón region has displayed signs of overexploitation since the beginning of the century. Consequently, temporal and spatial protection measures were implemented in 2004. In previous studies, an independent stock of Percophis brasiliensis in El Rincón was identified based on the parasite communities of fish caught in 2005. However, no subsequent studies using parasite communities have been performed since the protective fishery closure measures were applied. To evaluate parasites as indicators of temporal change in the El Rincón stock of P. brasiliensis after the implementation of these protection measures, a sample from 2018 was compared with that from the previous study, as well as with three other samples. Two of the latter (Argentine Common Fishing Zone and San Matías Gulf) corresponded to previously identified independent stocks in the Argentine biogeographical province and the third was a new sample from the Magellanic Province in southern Patagonian waters. The structure and composition of parasite assemblages of the El Rincón stock of P. brasiliensis differed significantly in 2018, after several years of protective measures. The increased loads observed in several parasite species constitute a promising signal of successful ecosystem recovery. A discrete stock in the Magellanic Province was also identified, providing insights into the population structure of P. brasiliensis along its distributional range, with applications for the sustainable management of this resource.

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“…2008). Using physical (channel and floodplain morphology, sediment, flow, water quality [temperature and nutrients]) and biological indicators (fish, invertebrates, and aquatic and riparian plants), Roni, P. et al (2019) evaluate the effectiveness of various floodplain restoration approaches on the basis of 180 papers. Bernhardt, E.S.…”

Section: Introductionmentioning

confidence: 99%

Adaptation of land use based on the assessment of inundation risk in the Kapos Valley, Southwest Hungary

et al. 2020

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Complex river rehabilitation/restoration projects devote equal attention to the improvement of hydromorphological conditions and the neighbouring floodplain environment. Since land use exerts a heavy control on the hydrological cycle of floodplains, land use optimization is a central task in floodplain rehabilitation. In floodplains where large surfaces are temporarily inundated, the optimal allocation of land use classes involves the preservation of wetlands, maintenance of grasslands (meadows and pastures) and forests, and the restriction of arable land to higher ground with the lowest inundation hazard. The detailed mapping of land use against the distribution of soil types and fluvial landforms provides a solid basis for land use optimization. Rehabilitation design is presented in the paper on the example of the Kapos Valley, where inundations in the wet year of 2010 caused great damage to agricultural crops and efforts are directed to better water management (excess water reduction and floodwater retention) on the floodplain. Land use conversions, which are less expensive and easier to implement, are preferred to structural (engineering) solutions.

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Monitoring the effectiveness of floodplain habitat restoration: A review of methods and recommendations for future monitoring

Cited by 32 publications

References 176 publications

Hydrogeomorphic Scaling and Ecohydraulics for Designing Rescaled Channel and Floodplain Geometry in Regulated Gravel–Cobble Bed Rivers for Pacific Salmon Habitat

Hydrogeomorphic Scaling and Ecohydraulics for Designing Rescaled Channel and Floodplain Geometry in Regulated Gravel–Cobble Bed Rivers for Pacific Salmon Habitat

Parasites of Percophis brasiliensis (Percophidae) benefited from fishery regulations: Indicators of success for marine protected areas?

Adaptation of land use based on the assessment of inundation risk in the Kapos Valley, Southwest Hungary

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