Seawater carbonate chemistry and reproductive characteristics, Oxidative stress and energy metabolism related biomarkers of Gobiusculus flavescens
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| Formato: | Dataset Open Access |
| Lenguaje: | en |
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PANGAEA
2018
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| _version_ | 1867171013939167232 |
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| author | Faria, Ana M Lopes, Ana F Silva, Cátia S E Novais, Sara C Lemos, Marco F L Gonçalves, Emanuel J |
| author_facet | Faria, Ana M Lopes, Ana F Silva, Cátia S E Novais, Sara C Lemos, Marco F L Gonçalves, Emanuel J |
| collection | Datos científicos de ciencias marinas y ambientales |
| contents | Fishes are currently facing novel types of anthropogenic stressors that have never experienced in their evolutionary history, such as ocean acidification. Under these stressful conditions, energetically costly processes, such as reproduction, may be sacrificed for increased chances of survival. This trade-off does not only affect the organism itself but may result in reduced offspring fitness. In the present study, the effects of exposure to high pCO2 levels were tested on the reproductive performance of a temperate species, the two-spotted goby, Gobiusculus flavescens. Breeding pairs were kept under control (600 μatm, pH 8.05) and high pCO2 levels (2300 μatm, pH 7.60) conditions for a 4-month period. Additionally, oxidative stress and energy metabolism-related biomarkers were measured. Results suggest that reproductive activity is stimulated under high pCO2 levels. Parental pairs in the simulated ocean acidification conditions exhibited increased reproductive output, with 50% more clutches and 44% more eggs per clutch than pairs under control conditions. However, there was an apparent trade-off between offspring number and size, as larvae of parental pairs under high pCO2 levels hatched significantly smaller, suggesting differences in parental provisioning, which could be related to the fact that these females produce more eggs. Moreover, results support the hypothesis of different energy allocation strategies used by females under high pCO2 conditions. These changes might, ultimately, affect individual fitness and population replenishment. |
| format | Dataset Open Access |
| id | pangaea_https___doi_org_10_1594_PANGAEA_900449 |
| institution | PANGAEA |
| language | en |
| publishDate | 2018 |
| publisher | PANGAEA |
| record_format | pangaea |
| spellingShingle | Seawater carbonate chemistry and reproductive characteristics, Oxidative stress and energy metabolism related biomarkers of Gobiusculus flavescens Faria, Ana M Lopes, Ana F Silva, Cátia S E Novais, Sara C Lemos, Marco F L Gonçalves, Emanuel J Alkalinity, total; Alkalinity, total, standard deviation; Animalia; Aragonite saturation state; Arrabida_Marine_Park; Available energy, per wet mass; Batch; Bicarbonate ion; Calcite saturation state; Calculated using seacarb after Nisumaa et al. (2010); Carbohydrates, per wet mass; Carbon, inorganic, dissolved; Carbonate ion; Carbonate system computation flag; Carbon dioxide; Catalase activity, per protein mass; Chordata; Clutches per pair; Coast and continental shelf; Containers and aquaria (20-1000 L or < 1 m**2); DNA damage, per wet mass; Eggs; Eggs, area; Energy consumption, per wet mass; EXP; Experiment; Fugacity of carbon dioxide (water) at sea surface temperature (wet air); Gobiusculus flavescens; Identification; Isocitrate dehydrogenase activity, per protein mass; Laboratory experiment; Lactate dehydrogenase activity, per protein mass; Larvae; Length, standard; Lipid peroxidation, per wet mass; Lipids; Nekton; North Atlantic; OA-ICC; Ocean acidification; Ocean Acidification International Coordination Centre; Other metabolic rates; Other studied parameter or process; Partial pressure of carbon dioxide, standard deviation; Partial pressure of carbon dioxide (water) at sea surface temperature (wet air); Pelagos; pH, NBS scale; pH, standard deviation; pH, total scale; Proteins; Reactive oxygen species, per wet mass; Registration number of species; Reproduction; Reproductive output per clutch; Salinity; Salinity, standard deviation; Sex; Single species; Species; Superoxide dismutase activity, unit per protein mass; Temperate; Temperature, water; Temperature, water, standard deviation; Treatment; Type; Uniform resource locator/link to reference Fishes are currently facing novel types of anthropogenic stressors that have never experienced in their evolutionary history, such as ocean acidification. Under these stressful conditions, energetically costly processes, such as reproduction, may be sacrificed for increased chances of survival. This trade-off does not only affect the organism itself but may result in reduced offspring fitness. In the present study, the effects of exposure to high pCO2 levels were tested on the reproductive performance of a temperate species, the two-spotted goby, Gobiusculus flavescens. Breeding pairs were kept under control (600 μatm, pH 8.05) and high pCO2 levels (2300 μatm, pH 7.60) conditions for a 4-month period. Additionally, oxidative stress and energy metabolism-related biomarkers were measured. Results suggest that reproductive activity is stimulated under high pCO2 levels. Parental pairs in the simulated ocean acidification conditions exhibited increased reproductive output, with 50% more clutches and 44% more eggs per clutch than pairs under control conditions. However, there was an apparent trade-off between offspring number and size, as larvae of parental pairs under high pCO2 levels hatched significantly smaller, suggesting differences in parental provisioning, which could be related to the fact that these females produce more eggs. Moreover, results support the hypothesis of different energy allocation strategies used by females under high pCO2 conditions. These changes might, ultimately, affect individual fitness and population replenishment. |
| title | Seawater carbonate chemistry and reproductive characteristics, Oxidative stress and energy metabolism related biomarkers of Gobiusculus flavescens |
| topic | Alkalinity, total; Alkalinity, total, standard deviation; Animalia; Aragonite saturation state; Arrabida_Marine_Park; Available energy, per wet mass; Batch; Bicarbonate ion; Calcite saturation state; Calculated using seacarb after Nisumaa et al. (2010); Carbohydrates, per wet mass; Carbon, inorganic, dissolved; Carbonate ion; Carbonate system computation flag; Carbon dioxide; Catalase activity, per protein mass; Chordata; Clutches per pair; Coast and continental shelf; Containers and aquaria (20-1000 L or < 1 m**2); DNA damage, per wet mass; Eggs; Eggs, area; Energy consumption, per wet mass; EXP; Experiment; Fugacity of carbon dioxide (water) at sea surface temperature (wet air); Gobiusculus flavescens; Identification; Isocitrate dehydrogenase activity, per protein mass; Laboratory experiment; Lactate dehydrogenase activity, per protein mass; Larvae; Length, standard; Lipid peroxidation, per wet mass; Lipids; Nekton; North Atlantic; OA-ICC; Ocean acidification; Ocean Acidification International Coordination Centre; Other metabolic rates; Other studied parameter or process; Partial pressure of carbon dioxide, standard deviation; Partial pressure of carbon dioxide (water) at sea surface temperature (wet air); Pelagos; pH, NBS scale; pH, standard deviation; pH, total scale; Proteins; Reactive oxygen species, per wet mass; Registration number of species; Reproduction; Reproductive output per clutch; Salinity; Salinity, standard deviation; Sex; Single species; Species; Superoxide dismutase activity, unit per protein mass; Temperate; Temperature, water; Temperature, water, standard deviation; Treatment; Type; Uniform resource locator/link to reference |
| url | https://doi.org/10.1594/PANGAEA.900449 |