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De Angelis CF, Soares MP, McKenzie DJ, Taylor EW, Cardoso IL, Souza IC, Wunderlin DA, Monferrán MV, Fernandes MN, Leite CAC. Settleable atmospheric particulate matter affects the swimming performance and aerobic metabolic rate of Nile tilapia (Oreochromis niloticus). Comp Biochem Physiol C Toxicol Pharmacol 2023:109696. [PMID: 37442311 DOI: 10.1016/j.cbpc.2023.109696] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/14/2023] [Revised: 06/13/2023] [Accepted: 07/09/2023] [Indexed: 07/15/2023]
Abstract
Atmospheric particulate matter (APM) produced by the steel industry comprises a complex mixture of particles that includes a wide variety of metals and metallic nanoparticles. These particles settle out onto areas surrounding the industries. There is evidence that this 'settleable' APM (SePM) may cause air-to-water cross-contamination with significant effects on aquatic biota. Recent investigations have reported sublethal impacts on the gill structure and blood oxygen-carrying capacity of fishes, which raises the hypothesis that there will be consequences for gas exchange capacity and ability to support aerobic activities. Therefore, we investigated the effects of an environmentally relevant level of SePM contamination on swimming performance and associated aerobic metabolic rates in Nile tilapia, Oreochromis niloticus. Short-term exposure (96 h) to SePM reduced critical swimming speed, energetic efficiency of aerobic swimming, standard metabolic rate, maximum metabolic rate, and aerobic scope. The compromised swimming performance could have adverse ecological effects by limiting foraging ability, predator evasion, territorial protection, and migration. The impairments to aerobic capacity could also affect overall fish performance by influencing long-term energy balance and allocation to growth and reproduction. Thus, despite being sublethal, SePM contamination is considerably debilitating, and if its limiting effects are not compensated for in the longer term, this may reduce the survival and fitness of fish populations.
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Affiliation(s)
- C F De Angelis
- Department of Physiological Sciences Department, Federal University of São Carlos, Rod Washington Luis km 235, 13565-905 São Carlos, SP, Brazil
| | - M P Soares
- Department of Physiological Sciences Department, Federal University of São Carlos, Rod Washington Luis km 235, 13565-905 São Carlos, SP, Brazil
| | - D J McKenzie
- MARBEC, Université de Montpellier, CNRS, Ifremer, IRD, Montpellier 34095, France.
| | - E W Taylor
- School of Biosciences, University of Birmingham, Edgbaston, Birmingham B15 2TT, UK
| | - I L Cardoso
- Department of Physiological Sciences Department, Federal University of São Carlos, Rod Washington Luis km 235, 13565-905 São Carlos, SP, Brazil
| | - I C Souza
- Department of Physiological Sciences Department, Federal University of São Carlos, Rod Washington Luis km 235, 13565-905 São Carlos, SP, Brazil.
| | - D A Wunderlin
- ICYTAC: Instituto de Ciencia y Tecnología de Alimentos Córdoba, CONICET and Departmento de Química Orgánica, Universidad Nacional de Córdoba, Bv. Medina Allende s/n, Ciudad Universitaria, 5000 Córdoba, Argentina
| | - M V Monferrán
- ICYTAC: Instituto de Ciencia y Tecnología de Alimentos Córdoba, CONICET and Departmento de Química Orgánica, Universidad Nacional de Córdoba, Bv. Medina Allende s/n, Ciudad Universitaria, 5000 Córdoba, Argentina.
| | - M N Fernandes
- Department of Physiological Sciences Department, Federal University of São Carlos, Rod Washington Luis km 235, 13565-905 São Carlos, SP, Brazil.
| | - C A C Leite
- Department of Physiological Sciences Department, Federal University of São Carlos, Rod Washington Luis km 235, 13565-905 São Carlos, SP, Brazil.
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De Angelis CF, Soares MP, Cardoso IL, Filogonio R, Taylor EW, McKenzie DJ, Souza IC, Wunderlin DA, Monferrán MV, Fernandes MN, Leite CAC. Settleable atmospheric particulate matter affects cardiorespiratory responses to hypoxia in Nile tilapia (Oreochromis niloticus). Comp Biochem Physiol C Toxicol Pharmacol 2022; 257:109353. [PMID: 35452846 DOI: 10.1016/j.cbpc.2022.109353] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/24/2022] [Revised: 03/28/2022] [Accepted: 04/14/2022] [Indexed: 11/03/2022]
Abstract
Atmospheric particulate matter (APM) emitted by iron ore processing industries has a complex composition, including diverse metallic particles and nanoparticles. Settleable APM (SePM) causes air to water cross-contamination and has recently been demonstrated to have harmful sublethal impacts on fish, eliciting stress responses, affecting the immune system, and reducing blood oxygen-carrying capacity. These findings imply potential consequences for fish aerobic performance and energy allocation, particularly in their ability to tolerate respiratory challenges such as aquatic hypoxia. To assess that potential limitation, we analyzed metabolic, cardiorespiratory, and morphological alterations after exposing tilapia, Oreochromis niloticus, to an environmentally relevant concentration of SePM (96 h) and progressive hypoxia. The contamination initiated detectable gill damage, reducing respiratory efficiency, increasing ventilatory effort, and compromising fish capacity to deal with hypoxia. Even in normoxia, the resting respiratory frequency was elevated and limited respiratory adjustments during hypoxia. SePM increased O2crit from 26 to 34% of O2 (1.84 to 2.76 mg O2·L-1). Such ventilatory inefficacy implies higher ventilatory cost with relevant alterations in energy allocation. Progression in gill damage might be problematic and cause: infection, blood loss, ion imbalance, and limited cardiorespiratory performance. The contamination did not cause immediate lethality but may threaten fish populations due to limitations in physiological performance. This was the first investigation to evaluate the physiological responses of fish to hypoxia after SePM contamination. We suggest that the present level of environmental SePM deserves attention. The present results demonstrate the need for comprehensive studies on SePM effects in aquatic fauna.
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Affiliation(s)
- C F De Angelis
- Department of Physiological Sciences Department, Federal University of São Carlos, Rod Washington Luis km 235, 13565-905 São Carlos, SP, Brazil.
| | - M P Soares
- Department of Physiological Sciences Department, Federal University of São Carlos, Rod Washington Luis km 235, 13565-905 São Carlos, SP, Brazil
| | - I L Cardoso
- Department of Physiological Sciences Department, Federal University of São Carlos, Rod Washington Luis km 235, 13565-905 São Carlos, SP, Brazil
| | - R Filogonio
- Department of Physiological Sciences Department, Federal University of São Carlos, Rod Washington Luis km 235, 13565-905 São Carlos, SP, Brazil
| | - E W Taylor
- School of Biosciences, University of Birmingham, Edgbaston, Birmingham B15 2TT, UK
| | - D J McKenzie
- MARBEC, Université de Montpellier, CNRS, Ifremer, IRD, Montpellier 34095, France.
| | - I C Souza
- Department of Physiological Sciences Department, Federal University of São Carlos, Rod Washington Luis km 235, 13565-905 São Carlos, SP, Brazil.
| | - D A Wunderlin
- ICYTAC: Instituto de Ciencia y Tecnología de Alimentos Córdoba, CONICET, Departmento de Química Orgánica, Universidad Nacional de Córdoba, Bv. Medina Allende s/n, Ciudad Universitaria, 5000 Córdoba, Argentina
| | - M V Monferrán
- ICYTAC: Instituto de Ciencia y Tecnología de Alimentos Córdoba, CONICET, Departmento de Química Orgánica, Universidad Nacional de Córdoba, Bv. Medina Allende s/n, Ciudad Universitaria, 5000 Córdoba, Argentina.
| | - M N Fernandes
- Department of Physiological Sciences Department, Federal University of São Carlos, Rod Washington Luis km 235, 13565-905 São Carlos, SP, Brazil.
| | - C A C Leite
- Department of Physiological Sciences Department, Federal University of São Carlos, Rod Washington Luis km 235, 13565-905 São Carlos, SP, Brazil.
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Merlo C, Abril A, Amé MV, Argüello GA, Carreras HA, Chiappero MS, Hued AC, Wannaz E, Galanti LN, Monferrán MV, González CM, Solís VM. Integral assessment of pollution in the Suquía River (Córdoba, Argentina) as a contribution to lotic ecosystem restoration programs. Sci Total Environ 2011; 409:5034-5045. [PMID: 21925711 DOI: 10.1016/j.scitotenv.2011.08.037] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/22/2010] [Revised: 08/12/2011] [Accepted: 08/15/2011] [Indexed: 05/31/2023]
Abstract
The Suquía River lower-middle basin (Córdoba, Argentina) is subject to a strong anthropic impact because it receives pollutants from different sources (industries, wastewaters, heavy traffic, agricultural land use, etc.) We have assessed the degree of watershed degradation of Suquía River lower-middle sections through the analysis of different ecosystem compartments (air, water, riparian soil, sediments and biota), in order to provide useful data to be considered in future river restoration programs. Four study sites were selected along the river (La Calera city, Córdoba city, Corazón de María village and Río Primero city) which were sampled during the low- and high-water flow periods. We analyzed: a) chemical and physical characteristics of water, sediments, and riparian soil; b) heavy metal content of water and sediments, and c) semi-volatile organic compounds in air. Besides, pollutant bioindicators such as fish assemblages, lichens (Usnea amblyoclada), vascular plants (Tradescantia pallida), and microorganisms (fecal coliform and Escherichia coli) were used to further assess the status of the river. All analyzed ecological compartments were affected by water pollution, particularly, fish assemblages, sediments and riparian soils by heavy metal and coliform bacteria. Moreover, we detected a possible contribution of sulfur and a high pollutant content in air that merit further research about other air-water exchanges. Accordingly, we strongly suggest that an action to restore or remediate the anthropic effect on the Suquía River be extended to all possible compartments along the river.
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Affiliation(s)
- C Merlo
- Facultad de Ciencias Agropecuarias, Universidad Nacional de Córdoba, Av. Valparaiso s/n. Ciudad Universitaria, cc 509, CP 5000, Córdoba, Argentina.
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