Naomi K. Pleizier

Characterizing the diet of Atlantic bluefin tuna Thunnus thynnus across its spatial range: a metadata analysis spanning over three decades

JM Logan, Christopher M. Butler, L. E. Fuller, Michelle D. Staudinger et autres

Atlantic bluefin tuna Thunnus thynnus (ABFT) are highly migratory predators that feed across diverse foraging habitats throughout their range. ABFT diet has been characterized regionally, but a broader analysis is needed to help inform ecosystem-based management of these economically and ecologically important …

Conservation physiology of freshwater fishes: an illustration of pressing questions and implications for management

Naomi K. Pleizier, Gail D. Schwieterman, Kim Birnie‐Gauvin, Tamzin A. Blewett et autres

Abstract Rivers, lakes, and wetlands are facing threats that continue to grow in intensity and frequency from climate change, habitat fragmentation, invasive species, changes in food availability, natural disasters, various forms of pollution (e.g., trace metals, light, noise), and emerging infectious diseases. …

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Causes and consequences of gas bubble trauma on fish gill function

Naomi K. Pleizier, Colin J. Brauner

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Does swimming activity influence gas bubble trauma in fish?

Naomi K. Pleizier, Steven J. Cooke, Colin J. Brauner

Abstract Total dissolved gas (TDG) supersaturation from sources such as hydroelectric dams can cause harmful bubble growth in the tissues of aquatic animals, known as gas bubble trauma (GBT). Locomotion is known to exacerbate bubble growth in tissues during decompression under certain …

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Exposure Risk of Fish Downstream of a Hydropower Facility to Supersaturated Total Dissolved Gas

Dirk A. Algera, Rajib Kamal, Taylor D. Ward, Naomi K. Pleizier et autres

Abstract Fish exposed to supersaturated total dissolved gas (TDG) levels can develop gas bubble trauma (GBT) which can lead to sublethal effects or mortality. Access to refugia in areas of high TDG that allows for hydrostatic (depth) compensation can mitigate exposure risk …

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Correction: Understanding gas bubble trauma in an era of hydropower expansion: how do fish compensate at depth?

Naomi K. Pleizier, Charlotte L. Nelson, Steven J. Cooke, Colin J. Brauner

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The lack of avoidance of total dissolved gas supersaturation in juvenile rainbow trout

Naomi K. Pleizier, Beatrice Rost-Komiya, Steven J. Cooke, Colin J. Brauner

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A Simple Chamber Design for Calibrating Weiss Saturometers and Recommendations for Measuring and Reporting Total Dissolved Gases

Naomi K. Pleizier, Steven J. Cooke, Colin J. Brauner

Abstract Total dissolved gas (TDG) supersaturation downstream of features such as hydroelectric dams can cause harmful bubbles to grow in the tissues of aquatic animals. TDG supersaturation is often measured using Weiss saturometers, but information on the calibration and use of these …

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The effect of total dissolved gas supersaturation on gas bubble trauma in juvenile rainbow trout (Oncorhynchus mykiss), juvenile kokanee (Oncorhynchus nerka), and two age classes of white sturgeon (Acipenser transmontanus)

Anthony L. Kovac, Naomi K. Pleizier, Colin J. Brauner

Hydroelectric dams are an important source of electricity globally, but they can also cause total dissolved gas (TDG) supersaturation in rivers. TDG supersaturation can harm fish through a condition called gas bubble trauma (GBT), which has been studied primarily in salmonids, such …

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A meta‐analysis of gas bubble trauma in fish

Naomi K. Pleizier, Dirk A. Algera, Steven J. Cooke, Colin J. Brauner

Abstract Total dissolved gas (TDG) supersaturation generated by dams is known to cause gas bubble trauma (GBT) and mortality in fish, but despite many studies on the topic, there have been no recent attempts to systematically review the data. We conducted a …

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Understanding gas bubble trauma in an era of hydropower expansion: how do fish compensate at depth?

Naomi K. Pleizier, Charlotte L. Nelson, Steven J. Cooke, Colin J. Brauner

Hydrostatic pressure is known to protect fish from damage by total dissolved gas (TDG) supersaturation, but empirical relationships are lacking. In this study we demonstrate the relationship between depth, TDG, and gas bubble trauma (GBT). Hydroelectric dams generate TDG supersaturation that causes …

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Do physical habitat complexity and predator cues influence the baseline and stress-induced glucocorticoid levels of a mangrove-associated fish? Part A Molecular & integrative physiology

Jennifer M.T. Magel, Naomi K. Pleizier, Alexander D. M. Wilson, Aaron D. Shultz et autres

As human populations continue to expand, increases in coastal development have led to the alteration of much of the world's mangrove habitat, creating problems for the multitude of species that inhabit these unique ecosystems. Habitat alteration often leads to changes in habitat …