Validation of a spatial model used to locate fish spawning reef construction sites in the St. Clair–Detroit River system

Fischer, Jesse R.; Bennion, David; Roseman, Edward F.; Manny, Bruce A.

doi:10.1016/j.jglr.2015.09.019

Cited by 11 publications

(27 citation statements)

References 18 publications

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“…Although some infilling was expected, factors affecting the magnitude and location of infilling are poorly understood. Beginning in 2014, an Acoustic Doppler Current Profiler, side‐scan sonar, and sediment transport models have been employed to assess candidate reef sites prior to construction and avoid depositional areas (Fischer, Bennion, Roseman, & Manny, ; Kinzel et al., ; Vaccaro et al., ). These technologies are also used to monitor reef conditions and performance following construction.…”

Section: Introductionmentioning

confidence: 99%

If you build it, will they come? Spawning habitat remediation for sturgeon

et al. 2017

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Summary Habitat loss is a widely recognized contributor to global declines in sturgeon populations yet habitat remediation has been limited for this highly endangered group of fish. In support of future sturgeon restoration efforts, this review examines habitat remediation needs and uncertainties. Consideration of the bio‐spatial scale of remediation identified needs ranging from local to the whole river scale. Additionally, the context of remediation ranges from reintroducing sturgeon to habitats where they have been extirpated to conservation of currently functional habitat. While multiple remediation scales and contexts are discussed, the focus on spawning and early rearing habitat and associated biological and physical monitoring reflects the range of current projects and the importance of early rearing habitats. Four case studies are presented that examine four distinct remediation contexts (mitigation, rejuvenation, re‐creation, repatriation) and three bio‐spatial scales (whole river, spawning reach, spawning location) under which remediation has been attempted. Evaluation of existing remediation works indicates that many show limited long‐term success, which is most often a response to substrate infilling in remediated habitats. Material presented in this review will help align sturgeon research and monitoring approaches in support of effective remediation. The limited number of remediation projects to‐date attests to the importance of learning from existing projects and cross‐species comparisons, to maximize the effectiveness of future restoration efforts.

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Section: Introductionmentioning

confidence: 99%

If you build it, will they come? Spawning habitat remediation for sturgeon

et al. 2017

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“…The model provided water velocity estimates at discrete points throughout the SCDRS at 8‐h intervals; those estimates were comparable to measured velocities (Fischer et al. ). The analysis showed minimal and uniform variability across sites from 2009 to 2016, indicating that our velocity measurements were informative throughout the study period.…”

Section: Methodsmentioning

confidence: 62%

“…Walleyes may be more likely to spawn at areas of the SCDRS with high water velocities, given that the water velocities at our study sites were generally lower than those at spawning sites in other systems (Fischer et al. ). Depth ranges at other Walleye spawning sites were considerably shallower (<1 m; Bozek et al.…”

Section: Discussionmentioning

confidence: 68%

“…Consequently, flows remain relatively constant year‐round, with a mean discharge of 5,300 m 3 /s (Derecki ), and water velocities fluctuate minimally through time (Fischer et al. ). However, strong wind events can temporarily alter water levels in Lakes Huron, Erie, and St. Clair, thereby altering flow through the SCDRS (Quinn ; Anderson and Schwab ).…”

Section: Methodsmentioning

confidence: 99%

“…; Fischer et al. ), these measurements were informative for the study period. Additionally, a seasonal decomposition of time series using LOESS analysis was conducted on water velocity estimates near egg mat sites from a Finite‐Volume Coastal Ocean Model (FVCOM) developed by Anderson et al.…”

Section: Methodsmentioning

confidence: 99%

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Lake Sturgeon, Lake Whitefish, and Walleye Egg Deposition Patterns with Response to Fish Spawning Substrate Restoration in the St. Clair–Detroit River System

et al. 2018

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Egg deposition and use of restored spawning substrates by lithophilic fishes (e.g., Lake Sturgeon Acipenser fulvescens, Lake Whitefish Coregonus clupeaformis, and Walleye Sander vitreus) were assessed throughout the St. Clair–Detroit River system from 2005 to 2016. Bayesian models were used to quantify egg abundance and presence/absence relative to site‐specific variables (e.g., depth, velocity, and artificial spawning reef presence) and temperature to evaluate fish use of restored artificial spawning reefs and assess patterns in egg deposition. Lake Whitefish and Walleye egg abundance, probability of detection, and probability of occupancy were assessed with detection‐adjusted methods; Lake Sturgeon egg abundance and probability of occurrence were assessed using delta‐lognormal methods. The models indicated that the probability of Walleye eggs occupying a site increased with water velocity and that the rate of increase decreased with depth, whereas Lake Whitefish egg occupancy was not correlated with any of the attributes considered. Egg deposition by Lake Whitefish and Walleyes was greater at sites with high water velocities and was lower over artificial spawning reefs. Lake Sturgeon eggs were collected least frequently but were more likely to be collected over artificial spawning reefs and in greater abundances than elsewhere. Detection‐adjusted egg abundances were not greater over artificial spawning reefs, indicating that these projects may not directly benefit spawning Walleyes and Lake Whitefish. However, 98% of the Lake Sturgeon eggs observed were collected over artificial spawning reefs, supporting the hypothesis that the reefs provided spawning sites for Lake Sturgeon and could mitigate historic losses of Lake Sturgeon spawning habitat.

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Northern Madtom Use of Artificial Reefs in the St. Clair–Detroit River System

Johnson

Chiotti

Briggs

et al. 2021

N American J Fish Manag

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The St. Clair and Detroit rivers historically supported abundant fish populations. However, like many river systems, these rivers have been greatly altered through the creation of navigation channels and other anthropogenic disturbances, resulting in the loss of fish and wildlife habitat and declines in native fish populations. To ameliorate this environmental degradation, artificial fish spawning reefs were constructed in the St. Clair and Detroit rivers. One native species to potentially benefit from artificial reefs is the Northern Madtom Noturus stigmosus, a small ictalurid that is listed as endangered in the state of Michigan and the province of Ontario. Between 2016 and 2018, artificial reefs and nearby control sites were sampled in the St. Clair and Detroit rivers to compare the number of Northern Madtoms. In total, 171 Northern Madtoms were captured in 1,848 minnow traps with one of four bait types: cheese, dog food, worms, or control (no bait). Baited minnow traps successfully captured Northern Madtoms in the fast‐flowing, deep water of the St. Clair–Detroit River system, and catch rates were significantly higher when traps were baited with worms. The number of Northern Madtoms captured was lower in the Detroit River than in the St. Clair River and increased with increasing water temperature and turbidity. Artificial reefs constructed in the St. Clair–Detroit River system are providing habitat for Northern Madtoms; however, use did not differ between reef sites and nearby control sites. This work provides insight regarding sampling strategies to target Northern Madtoms in large‐river systems and highlights the importance of incorporating a temporal sampling strategy into survey design.

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Validation of a spatial model used to locate fish spawning reef construction sites in the St. Clair–Detroit River system

Cited by 11 publications

References 18 publications

If you build it, will they come? Spawning habitat remediation for sturgeon

If you build it, will they come? Spawning habitat remediation for sturgeon

Lake Sturgeon, Lake Whitefish, and Walleye Egg Deposition Patterns with Response to Fish Spawning Substrate Restoration in the St. Clair–Detroit River System

Northern Madtom Use of Artificial Reefs in the St. Clair–Detroit River System

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