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Datasets of project "European Project on Ocean Acidification"

Mostrando recursos 61 - 80 de 1.061

  1. U-Th, 14C and d11B results for Holocene North Atlantic deep sea corals (Lophelia pertusa), 2011

    Douville, Eric
    Sediment Core MD01-2454G SW Rockall BANK 747m water depth on Logatechev Mounds (Core was taken during Marion Dufresne Cruise Geosciences 2001 at 55°31'N and 15°39'W) ENAM corals from BoxCores of SW Rockall Bank and Porcupine Bank water depth 725 and 750m (Box cores ENAM 9915 and ENAM 9910 were taken from 725 m bsl on the Southwest Rockall Bank (55,32°N, 15,40°W), and ENAM 9828 from 745 m bsl on the Porcupine Bank (53,48°N, 13,54°W))

  2. North Atlantic surface seawater pH values measured on board of the "Pourquoi -Pas?" during the BoBECO Cruise (September -October 2011)

    Douville, Eric

  3. North Atlantic surface seawater pH values measured on board of the Pourquoi-Pas? during the BoBECO Cruise (September -October 2011)

    Douville, Eric

  4. Seawater carbonate chemistry and brown dottyback (Pseudochromis fuscus) movement and feeding behaviour during experiments, 2011

    Cripps, Ingrid L; Munday, Philip L; McCormick, Mark I
    Changes in olfactory-mediated behaviour caused by elevated CO2 levels in the ocean could affect recruitment to reef fish populations because larval fish become more vulnerable to predation. However, it is currently unclear how elevated CO2 will impact the other key part of the predator-prey interaction - the predators. We investigated the effects of elevated CO2 and reduced pH on olfactory preferences, activity levels and feeding behaviour of a common coral reef meso-predator, the brown dottyback (Pseudochromis fuscus). Predators were exposed to either current-day CO2 levels or one of two elevated CO2 levels (~600 µatm or ~950 µatm) that may occur...

  5. Seawater carbonate chemistry and brown dottyback (Pseudochromis fuscus) movement and feeding behaviour during experiments, 2011

    Cripps, Ingrid L; Munday, Philip L; McCormick, Mark I
    Changes in olfactory-mediated behaviour caused by elevated CO2 levels in the ocean could affect recruitment to reef fish populations because larval fish become more vulnerable to predation. However, it is currently unclear how elevated CO2 will impact the other key part of the predator-prey interaction - the predators. We investigated the effects of elevated CO2 and reduced pH on olfactory preferences, activity levels and feeding behaviour of a common coral reef meso-predator, the brown dottyback (Pseudochromis fuscus). Predators were exposed to either current-day CO2 levels or one of two elevated CO2 levels (~600 µatm or ~950 µatm) that may occur...

  6. Seawater carbonate chemistry and brown dottyback (Pseudochromis fuscus) movement and feeding behaviour during experiments, 2011

    Cripps, Ingrid L; Munday, Philip L; McCormick, Mark I
    Changes in olfactory-mediated behaviour caused by elevated CO2 levels in the ocean could affect recruitment to reef fish populations because larval fish become more vulnerable to predation. However, it is currently unclear how elevated CO2 will impact the other key part of the predator-prey interaction - the predators. We investigated the effects of elevated CO2 and reduced pH on olfactory preferences, activity levels and feeding behaviour of a common coral reef meso-predator, the brown dottyback (Pseudochromis fuscus). Predators were exposed to either current-day CO2 levels or one of two elevated CO2 levels (~600 µatm or ~950 µatm) that may occur...

  7. Seawater carbonate chemistry and brown dottyback (Pseudochromis fuscus) movement and feeding behaviour during experiments, 2011

    Cripps, Ingrid L; Munday, Philip L; McCormick, Mark I
    Changes in olfactory-mediated behaviour caused by elevated CO2 levels in the ocean could affect recruitment to reef fish populations because larval fish become more vulnerable to predation. However, it is currently unclear how elevated CO2 will impact the other key part of the predator-prey interaction - the predators. We investigated the effects of elevated CO2 and reduced pH on olfactory preferences, activity levels and feeding behaviour of a common coral reef meso-predator, the brown dottyback (Pseudochromis fuscus). Predators were exposed to either current-day CO2 levels or one of two elevated CO2 levels (~600 µatm or ~950 µatm) that may occur...

  8. Seawater carbonate chemistry and expression of hsp70, hsp90 and hsf1 in the reef coral Acropora digitifera during experiments, 2012

    Nakamura, Masoko; Morita, Masaya; Kurihara, Haruko; Mitarai, Satoshi
    Ocean acidification is an ongoing threat for marine organisms due to the increasing atmospheric CO2 concentration. Seawater acidification has a serious impact on physiologic processes in marine organisms at all life stages. On the other hand, potential tolerance to external pH changes has been reported in coral larvae. Information about the possible mechanisms underlying such tolerance responses, however, is scarce. In the present study, we examined the effects of acidified seawater on the larvae of Acropora digitifera at the molecular level. We targeted two heat shock proteins, Hsp70 and Hsp90, and a heat shock transcription factor, Hsf1, because of their...

  9. Seawater carbonate chemistry and expression of hsp70, hsp90 and hsf1 in the reef coral Acropora digitifera during experiments, 2012

    Nakamura, Masoko; Morita, Masaya; Kurihara, Haruko; Mitarai, Satoshi
    Ocean acidification is an ongoing threat for marine organisms due to the increasing atmospheric CO2 concentration. Seawater acidification has a serious impact on physiologic processes in marine organisms at all life stages. On the other hand, potential tolerance to external pH changes has been reported in coral larvae. Information about the possible mechanisms underlying such tolerance responses, however, is scarce. In the present study, we examined the effects of acidified seawater on the larvae of Acropora digitifera at the molecular level. We targeted two heat shock proteins, Hsp70 and Hsp90, and a heat shock transcription factor, Hsf1, because of their...

  10. Seawater carbonate chemistry and expression of hsp70, hsp90 and hsf1 in the reef coral Acropora digitifera during experiments, 2012

    Nakamura, Masoko; Morita, Masaya; Kurihara, Haruko; Mitarai, Satoshi
    Ocean acidification is an ongoing threat for marine organisms due to the increasing atmospheric CO2 concentration. Seawater acidification has a serious impact on physiologic processes in marine organisms at all life stages. On the other hand, potential tolerance to external pH changes has been reported in coral larvae. Information about the possible mechanisms underlying such tolerance responses, however, is scarce. In the present study, we examined the effects of acidified seawater on the larvae of Acropora digitifera at the molecular level. We targeted two heat shock proteins, Hsp70 and Hsp90, and a heat shock transcription factor, Hsf1, because of their...

  11. Seawater carbonate chemistry and expression of hsp70, hsp90 and hsf1 in the reef coral Acropora digitifera during experiments, 2012

    Nakamura, Masoko; Morita, Masaya; Kurihara, Haruko; Mitarai, Satoshi
    Ocean acidification is an ongoing threat for marine organisms due to the increasing atmospheric CO2 concentration. Seawater acidification has a serious impact on physiologic processes in marine organisms at all life stages. On the other hand, potential tolerance to external pH changes has been reported in coral larvae. Information about the possible mechanisms underlying such tolerance responses, however, is scarce. In the present study, we examined the effects of acidified seawater on the larvae of Acropora digitifera at the molecular level. We targeted two heat shock proteins, Hsp70 and Hsp90, and a heat shock transcription factor, Hsf1, because of their...

  12. Seawater carbonate chemistry and expression of hsp70, hsp90 and hsf1 in the reef coral Acropora digitifera during experiments, 2012

    Nakamura, Masoko; Morita, Masaya; Kurihara, Haruko; Mitarai, Satoshi
    Ocean acidification is an ongoing threat for marine organisms due to the increasing atmospheric CO2 concentration. Seawater acidification has a serious impact on physiologic processes in marine organisms at all life stages. On the other hand, potential tolerance to external pH changes has been reported in coral larvae. Information about the possible mechanisms underlying such tolerance responses, however, is scarce. In the present study, we examined the effects of acidified seawater on the larvae of Acropora digitifera at the molecular level. We targeted two heat shock proteins, Hsp70 and Hsp90, and a heat shock transcription factor, Hsf1, because of their...

  13. Species-specific consequences of ocean acidification for the calcareous tropical green algae Halimeda, 2011

    Price, Nichole N; Hamilton, Scott L; Smith, Jennifer E; Tootell, Jesse S
    Ocean acidification (OA), resulting from increasing dissolved carbon dioxide (CO2) in surface waters, is likely to affect many marine organisms, particularly those that calcify. Recent OA studies have demonstrated negative and/or differential effects of reduced pH on growth, development, calcification and physiology, but most of these have focused on taxa other than calcareous benthic macroalgae. Here we investigate the potential effects of OA on one of the most common coral reef macroalgal genera,Halimeda. Species of Halimeda produce a large proportion of the sand in the tropics and are a major contributor to framework development on reefs because of their rapid...

  14. Species-specific consequences of ocean acidification for the calcareous tropical green algae Halimeda, 2011

    Price, Nichole N; Hamilton, Scott L; Smith, Jennifer E; Tootell, Jesse S
    Ocean acidification (OA), resulting from increasing dissolved carbon dioxide (CO2) in surface waters, is likely to affect many marine organisms, particularly those that calcify. Recent OA studies have demonstrated negative and/or differential effects of reduced pH on growth, development, calcification and physiology, but most of these have focused on taxa other than calcareous benthic macroalgae. Here we investigate the potential effects of OA on one of the most common coral reef macroalgal genera,Halimeda. Species of Halimeda produce a large proportion of the sand in the tropics and are a major contributor to framework development on reefs because of their rapid...

  15. Species-specific consequences of ocean acidification for the calcareous tropical green algae Halimeda, 2011

    Price, Nichole N; Hamilton, Scott L; Smith, Jennifer E; Tootell, Jesse S
    Ocean acidification (OA), resulting from increasing dissolved carbon dioxide (CO2) in surface waters, is likely to affect many marine organisms, particularly those that calcify. Recent OA studies have demonstrated negative and/or differential effects of reduced pH on growth, development, calcification and physiology, but most of these have focused on taxa other than calcareous benthic macroalgae. Here we investigate the potential effects of OA on one of the most common coral reef macroalgal genera,Halimeda. Species of Halimeda produce a large proportion of the sand in the tropics and are a major contributor to framework development on reefs because of their rapid...

  16. Species-specific consequences of ocean acidification for the calcareous tropical green algae Halimeda, 2011

    Price, Nichole N; Hamilton, Scott L; Smith, Jennifer E; Tootell, Jesse S
    Ocean acidification (OA), resulting from increasing dissolved carbon dioxide (CO2) in surface waters, is likely to affect many marine organisms, particularly those that calcify. Recent OA studies have demonstrated negative and/or differential effects of reduced pH on growth, development, calcification and physiology, but most of these have focused on taxa other than calcareous benthic macroalgae. Here we investigate the potential effects of OA on one of the most common coral reef macroalgal genera,Halimeda. Species of Halimeda produce a large proportion of the sand in the tropics and are a major contributor to framework development on reefs because of their rapid...

  17. Species-specific consequences of ocean acidification for the calcareous tropical green algae Halimeda, 2011

    Price, Nichole N; Hamilton, Scott L; Smith, Jennifer E; Tootell, Jesse S
    Ocean acidification (OA), resulting from increasing dissolved carbon dioxide (CO2) in surface waters, is likely to affect many marine organisms, particularly those that calcify. Recent OA studies have demonstrated negative and/or differential effects of reduced pH on growth, development, calcification and physiology, but most of these have focused on taxa other than calcareous benthic macroalgae. Here we investigate the potential effects of OA on one of the most common coral reef macroalgal genera,Halimeda. Species of Halimeda produce a large proportion of the sand in the tropics and are a major contributor to framework development on reefs because of their rapid...

  18. Seawater carbonate chemistry and calcification, mass and shed rate of tropical green algae species Halimeda, 2011

    Price, Nichole N; Hamilton, Scott L; Tootell, Jesse S; Smith, Jennifer E

  19. Seawater carbonate chemistry and calcification, mass and shed rate of tropical green algae species Halimeda, 2011

    Price, Nichole N; Hamilton, Scott L; Tootell, Jesse S; Smith, Jennifer E

  20. Seawater carbonate chemistry and calcification, mass and shed rate of tropical green algae species Halimeda, 2011

    Price, Nichole N; Hamilton, Scott L; Tootell, Jesse S; Smith, Jennifer E

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