Effect of Oxygen Reduction Rate and Constant Low Dissolved Oxygen Concentrations on Two Estuarine Fish

Burton, Dennis T.; Richardson, Leonard B.; Moore, Charles J.

doi:10.1577/1548-8659(1980)109<552:eoorra>2.0.co;2

Cited by 37 publications

(19 citation statements)

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“…These concentrations are not much above the lethal DO concentrations (LC 50 values) determined for the juvenile stage of some estuary-dependent fishes (Burton et al 1980, USEPA 2000, Miller et al 2002 and they overlap concentrations shown to be detrimental for growth (Bejda et al 1992, USEPA 2000, Stierhoff et al 2006. For example, juvenile summer flounder Paralichthys dentatus have a 24 h LC 50 of 1.59 mg O 2 l -1 at 24 to 25°C (USEPA 2000), and their growth rate is reduced by ~25% at 3.5 mg O 2 l -1 (compared to normoxia, i.e.…”

Section: Introductionmentioning

confidence: 87%

Juvenile weakfish Cynoscion regalis distribution in relation to diel-cycling dissolved oxygen in an estuarine tributary

Tyler¹,

Targett²

2007

Mar. Ecol. Prog. Ser.

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Shallow estuarine waters that serve as nurseries for fishes along the Atlantic and Gulf coasts of the USA can undergo wide diel dissolved oxygen (DO) fluctuations (< 2 to ~20 mg O 2 l -1 ) during summer. In this study, the distribution of juvenile weakfish Cynoscion regalis was investigated in relation to diel-cycling DO during summer 2001 in a mesohaline tributary of Indian River Bay, Delaware, USA. Weakfish were collected at 3 sites (upper, middle, and lower) along the ~5 km length of Pepper Creek on 15 d using an otter trawl. Near-bottom DO was monitored continuously over the summer, every 15 min, using multi-parameter sondes. Peak abundance of weakfish coincided with the greatest frequency, intensity, and spatial extent of severe diel-cycling hypoxia events (< 2 mg O 2 l -1 ). Severe hypoxia first occurred in early June in the upper creek and recurred there almost daily for periods of 1 to 4 h until early September. Whenever bottom DO was > 2.0 mg O 2 l -1 , weakfish were more abundant at the upper site than at the middle and lower sites, which also experienced severe hypoxia but at much lower frequency. However, under all environmental conditions they were absent from the upper site whenever bottom DO was < 2 mg O 2 l -1 , and returned within 2 h of DO exceeding 2 mg O 2 l -1. Daily up-and down-creek movement occurred over a distance of ~1 km. These findings indicate an avoidance threshold of ~2.0 mg O 2 l -1 for juvenile weakfish and demonstrate very temporally dynamic DO-related movement. Their rapid return to these areas as DO conditions improve, and relatively high density in tidal tributary headwaters, suggests that these relatively small areas provide important habitat for fishes.

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Section: Introductionmentioning

confidence: 87%

Juvenile weakfish Cynoscion regalis distribution in relation to diel-cycling dissolved oxygen in an estuarine tributary

Tyler¹,

Targett²

2007

Mar. Ecol. Prog. Ser.

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“…sewage, agricultural runoff, lawn clippings, etc.). As a general rule, the concentration of DO in a healthy river will be in the range of 8-12 mg/L, while concentrations in the 0-8 mg/L range have been shown to adversely affect the feeding, reproduction and mortality of aquatic fish species (Lloyd, 1961;Silver et al, 1963;Burton et al, 1980;Kramer, 1987).…”

Section: Introductionmentioning

confidence: 99%

The Influence of Air Temperature on Water Temperature and the Concentration of Dissolved Oxygen in Newfoundland Rivers

Harvey

Lye

Khan

et al. 2011

Canadian Water Resources Journal

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Abstract:In this paper regression models are developed for predicting water temperature and the concentration of dissolved oxygen in rivers monitored by the Newfoundland and Labrador Real-Time Water Quality Monitoring (RTWQM) network. The developed models can be used to predict mean, maximum and minimum water temperatures and dissolved oxygen at the monthly, weekly and daily time scales. A nonlinear logistic model is found to best represent the S-shaped relationship between water temperature at the real-time stations and air temperature collected from meteorological stations 5-50 kilometers away. There is a clear tendency for monthly and weekly models to be more accurate for prediction than the daily models. Both linear and nonlinear exponential decay models were found to best represent the relationship between water temperature and dissolved oxygen at the real-time stations. A novel graphical method of linking air temperature to water temperature and dissolved oxygen has been developed and may prove to be a valuable simple tool in the assessment of the health of the rivers in the real-time network.Résumé : Ce papier décrit des modèles de régression qui prédisent la température de l'eau et la concentration d'oxygène dissous dans les rivières surveillées par le réseau Terre-Neuve-et-Labrador Real-Time Water Quality. On peut utiliser les modèles développés pour prédire les températures d'eau moyennes, maximales et minimales et les niveaux d'oxygène dissous dans l'eau aux échelles mensuelles, hebdomadaires et quotidiennes. Un modèle non-linéaire logistique représente mieux la relation entre la température de l'eau aux stations en temps réel et la température de l'air provenant des stations météorologiques de 5 à 50 kilomètres de distance. Il y a une tendance claire pour les modèles mensuels et hebdomadaires d'être plus précis pour la prédiction que les modèles quotidiens. Les modèles linéaires et non-linéaires de décroissance exponentielle représentent mieux la relation entre la température de l'eau et l'oxygène dissous aux stations en temps réel. Une nouvelle méthode graphique de relier la température de l'air à la température de l'eau et l'oxygène dissous a été développée; cette méthode devrait se révéler un outil précieux et simple pour évaluer la santé des rivières dans le réseau en temps réel.

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“…Direct and indirect physiological responses to hypoxia in fishes are well documented and the effect of hypoxia may include species-specific impacts on fish distribution, behaviour, feeding rate, competition and vulnerability to predators (Burton et al 1980;Coutant 1985;Kramer 1987;Pihl et al 1991Pihl et al , 1992Breitburg 1992;Breitburg et al 1994). Hypoxic conditions are usually found in coastal areas, and both benthic and pelagic fishes may be subject to hypoxia at some time during their lives.…”

Section: Introductionmentioning

confidence: 99%

The effect of progressive hypoxia on school structure and dynamics in Atlantic herringClupea harengus

Domenici

Ferrari

Steffensen

et al. 2002

Proc. R. Soc. Lond. B

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The effect of progressive hypoxia on the structure and dynamics of herring (Clupea harengus) schools in laboratory conditions was investigated. The length, width and depth of schools of about 20 individuals were measured from video recordings to test the hypothesis that during hypoxia fish schools change their shape and volume. School shape (calculated as the ratios of length/depth, width/depth and length/width) did not change significantly during hypoxia. School length, width, depth, area and volume were all significantly increased at 20% oxygen saturation. Volume, area and width were more sensitive to hypoxia; volume and width were also increased at 25% and area at 30% oxygen saturation.The degree of position changing (shuffling) of individuals within the school was also analysed. Shuffling in normoxia was observed to occur largely through 'O-turn' manoeuvres, a 360°turn executed laterally to the school that allowed fishes in the front to move to the back. O-turn frequency during normoxia was 0.69 O-turns fish Ϫ1 min Ϫ1 but significantly decreased with hypoxia to 0.37 O-turns fish Ϫ1 min Ϫ1 at 30% oxygen saturation. Shuffling was also investigated by measuring the persistence time of individual herring in leading positions (i.e. the first half of the school). No significant changes occurred during hypoxia, indicating that the decrease in O-turn frequency does not affect shuffling rate during hypoxia, and that position shuffling in hypoxic conditions is mainly due to overtaking or falling back by individual fishes.School integrity and positional dynamics are the outcome of trade-offs among a number of biotic factors, such as food, predator defence, mating behaviour and various physical factors that may impose certain limits. Among these, our results indicate that oxygen level modulates schooling behaviour. Oxygen alters whole-school parameters at oxygen saturation values that can be encountered by herring in the field, indicating that oxygen availability is an important factor in the trade-offs that determine school volume. An increase in school volume in the wild may increase the oxygen available to each individual. However, shuffling rate is not affected by hypoxia, indicating that the internal dynamics of positioning is the result of the balance of other factors, for example related to the nutritional state of each individual fish as suggested by previous studies.

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Effect of Oxygen Reduction Rate and Constant Low Dissolved Oxygen Concentrations on Two Estuarine Fish

Cited by 37 publications

References 0 publications

Juvenile weakfish Cynoscion regalis distribution in relation to diel-cycling dissolved oxygen in an estuarine tributary

Juvenile weakfish Cynoscion regalis distribution in relation to diel-cycling dissolved oxygen in an estuarine tributary

The Influence of Air Temperature on Water Temperature and the Concentration of Dissolved Oxygen in Newfoundland Rivers

The effect of progressive hypoxia on school structure and dynamics in Atlantic herringClupea harengus

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