Vulnerability of larval and juvenile white sturgeon to barotrauma: can they handle the pressure?

Brown, Richard S.; Cook, Katrina V.; Pflugrath, Brett D.; Rozeboom, Latricia L.; Johnson, Rachelle C.; McLellan, Jason G.; Linley, Timothy J.; Gao, Yong; Baumgartner, Lee J.; Dowell, Frederick E.; Miller, Erin A.; White, Timothy A.

doi:10.1093/conphys/cot019

Cited by 21 publications

(25 citation statements)

References 42 publications

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“…Susceptibility to barotrauma among fish larvae appears to be highly species-specific (Boys et al, 2016), and several studies indicate that there does not appear to be any effects of rapid pressure changes on fish egg viability (Boys et al, 2016;Brown et al, 2013).…”

Section: Pumping Station Factorsmentioning

confidence: 99%

A review of potential factors promoting fish movement in inter‐basin water transfers, with emergent patterns from a trait‐based risk analysis for a large‐scale project in china

Schmidt

Wang

Ren

et al. 2019

Ecology of Freshwater Fish

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Inter‐basin water transfers create new pathways between previously disjunct systems and communities. If fish movement occurs, it can lead to invasion or altered regional connectivity patterns, which could induce biotic/genetic homogenisation or synchronisation. Understanding ecological factors promoting movement is critical for predicting potential impacts during project planning, to assess ongoing effects, and to develop mediation strategies. Potential characteristics influencing movement rates were reviewed, including intrinsic traits that increase passive entrainment or active dispersal rates, extrinsic traits of the connected environments and their interactions. In order to examine patterns among these potentially influencing characteristics, a trait‐based screening method for movement and invasion risk was developed to analyse linked communities in a database from a large‐scale inter‐basin water diversion in China. Groups of fishes that scored high in the risk assessment were compared with worldwide examples of entrainment in inter‐basin water transfer systems or smaller‐scale diversions to examine emergent patterns of shared ecological characteristics. Specific traits that were most often shared in these groups, indicating a higher likelihood of movement in water diversions, include the following: a smaller body size, high adult or larval abundance, migratory behaviour, generalist and pelagic habitat preferences, and a high reproductive output. The synthesis of factors identified in this research can be used to guide future empirical studies to fill knowledge gaps regarding ecological impacts of inter‐basin water transfers or other smaller‐scale diversions on local communities and ecosystems.

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Section: Pumping Station Factorsmentioning

confidence: 99%

A review of potential factors promoting fish movement in inter‐basin water transfers, with emergent patterns from a trait‐based risk analysis for a large‐scale project in china

Schmidt

Wang

Ren

et al. 2019

Ecology of Freshwater Fish

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show abstract

“…Brown et al (2013a) noted barotrauma in the form of erratic swimming, death, and herniation-like abnormalities on the abdomen of larval White Sturgeon (Acipenser transmontanus) at the point when they first started feeding (8 days after hatching) but did not have an inflated swim bladder. Brown et al (2013a) noted barotrauma in the form of erratic swimming, death, and herniation-like abnormalities on the abdomen of larval White Sturgeon (Acipenser transmontanus) at the point when they first started feeding (8 days after hatching) but did not have an inflated swim bladder.…”

Section: Implication Of Life History and Behaviormentioning

confidence: 99%

“…Larval drifting fish may also be susceptible to barotrauma due to expansion of metabolically produced gas. Brown et al (2013a) noted barotrauma in the form of erratic swimming, death, and herniation-like abnormalities on the abdomen of larval White Sturgeon (Acipenser transmontanus) at the point when they first started feeding (8 days after hatching) but did not have an inflated swim bladder. They also noted gas in the intestines about 7 months after hatching that could also lead to barotrauma upon decompression.…”

Section: Implication Of Life History and Behaviormentioning

confidence: 99%

Understanding Barotrauma in Fish Passing Hydro Structures: A Global Strategy for Sustainable Development of Water Resources

et al. 2014

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Freshwater fishes are one of the most imperiled groups of vertebrates, and population declines are alarming in terms of biodiversity and to communities that rely on fisheries for their livelihood and nutrition. One activity associated with declines in freshwater fish populations is water resource development, including dams, weirs, and hydropower facilities. Fish passing through irrigation and hydro infrastructures during downstream migration experience a rapid decrease in pressure, which can lead to injuries (barotrauma) that contribute to mortality. There is renewed initiative to expand hydropower and irrigation infrastructure to improve water security and increase low‐carbon energy generation. The impact of barotrauma on fish must be understood and mitigated to ensure that development is sustainable for fisheries. This will involve taking steps to expand the knowledge of barotrauma‐related injury from its current focus, mainly on seaward‐migrating juvenile salmonids of the Pacific Northwest, to incorporate a greater diversity of fish species and life stages from many parts of the world. This article summarizes research that has examined barotrauma during fish passage and articulates a research framework to promote a standardized, global approach. The suggested approach provides clearly defined links to adaptive development of fish friendly technologies, aimed at mitigating the threats faced by global freshwater fisheries from the rapid expansion of water infrastructure.

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“…Larvae from about 25–29 mm showed increased mortality over controls; still larger larvae did not. Brown et al () also found differences in age related injury and mortality in larval and juvenile white sturgeon ( Acipenser transmontanus ) in response to decompression. Barotrauma‐related injuries were first observed at 9‐days post hatch, the same day as initial exogenous feeding.…”

Section: Discussionmentioning

confidence: 93%

“…A number of studies on the effects of pressure changes on fish (i.e., turbine passage, weir passage, cooling condenser passage, underwater detonations) suggest that rapid decompression is the major component of barotrauma (Boys et al, ; Brown et al, , ; Govoni, Settle, & West, ). Injury or mortality is caused by the rapid expansion of gas in organs, such as air in the swim bladder or metabolic gases in the digestive track.…”

Section: Discussionmentioning

confidence: 99%

Effects of pressure changes induced by commercial navigation traffic on mortality of fish early life stages

et al. 2019

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Mortality of fish early life stages was measured in a pressure vessel to simulate vertical displacement within the water column. Mortality was measured for three pressure regimes for four fish species: larval bigmouth buffalo Ictiobus cyprinellus, larval blue catfish Ictalurus furcatus, juvenile bluegill Lepomis macrochirus, and juvenile largemouth bass Micropterus salmoides. The maximum pressure‐change tested, 344.8 kPa, equivalent to a 35.2 m displacement of fish within the water column, did not cause significant mortality of larvae or juveniles. Since 32.5 m exceeds depths in most inland navigation channels and possibly the depth to which rapid propeller induced water mixing occurs, the range of pressure changes that could be experienced by early life stages during towboat mixing of the water column will not result in significant mortality.

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Vulnerability of larval and juvenile white sturgeon to barotrauma: can they handle the pressure?

Cited by 21 publications

References 42 publications

A review of potential factors promoting fish movement in inter‐basin water transfers, with emergent patterns from a trait‐based risk analysis for a large‐scale project in china

A review of potential factors promoting fish movement in inter‐basin water transfers, with emergent patterns from a trait‐based risk analysis for a large‐scale project in china

Understanding Barotrauma in Fish Passing Hydro Structures: A Global Strategy for Sustainable Development of Water Resources

Effects of pressure changes induced by commercial navigation traffic on mortality of fish early life stages

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