0000000000736367

AUTHOR

Malcom B Hart

showing 2 related works from this author

Seaweed fails to prevent ocean acidification impact on foraminifera along a shallow-water CO2 gradient

2014

Ocean acidification causes biodiversity loss, alters ecosystems, and may impact food security, as shells of small organisms dissolve easily in corrosive waters. There is a suggestion that photosynthetic organisms could mitigate ocean acidification on a local scale, through seagrass protection or seaweed cultivation, as net ecosystem organic production raises the saturation state of calcium carbonate making seawater less corrosive. Here, we used a natural gradient in calcium carbonate saturation, caused by shallow-water CO2 seeps in the Mediterranean Sea, to assess whether seaweed that is resistant to acidification (Padina pavonica) could prevent adverse effects of acidification on epiphytic…

0106 biological sciencesSettore BIO/07 - Ecologia010504 meteorology & atmospheric sciencesPadina pavonica01 natural sciencesForaminiferaBlue carbonchemistry.chemical_compoundEcosystem14. Life underwaterEcology Evolution Behavior and SystematicsOriginal Research0105 earth and related environmental sciencesNature and Landscape ConservationBlue carbonbiologyEcologyEcologyShallow-water CO<inf>2</inf> seep010604 marine biology & hydrobiologyOcean acidificationBenthic foraminiferaCoastal communitieshallow-water CO2 seepsOcean acidification15. Life on landbiology.organism_classificationcoastal communitiesEcology Evolution Behavior and SystematicSeagrassCalcium carbonatechemistry13. Climate actionCalcareous
researchProduct

Seaweed fails to prevent ocean acidification impact on foraminifera along a shallow-water CO2 gradient

2015

Ocean acidification causes biodiversity loss, alters ecosystems, and may impact food security, as shells of small organisms dissolve easily in corrosive waters. There is a suggestion that photosynthetic organisms could mitigate ocean acidification on a local scale, through seagrass protection or seaweed cultivation, as net ecosystem organic production raises the saturation state of calcium carbonate making seawater less corrosive. Here, we used a natural gradient in calcium carbonate saturation, caused by shallow-water CO2 seeps in the Mediterranean Sea, to assess whether seaweed that is resistant to acidification (Padina pavonica) could prevent adverse effects of acidification on epiphytic…

Ocean Acidification International Coordination Centre (OA-ICC)TemperateIdentificationSalinityCommunity composition and diversityTriloculinella dilatatainorganicAlkalinityElphidium spMiliolinella sp.Miliolinella subrotundaQuinqueloculina sp.Daitrona spTemperature waterCarbon inorganic dissolvedCalculated using seacarb after Nisumaa et al 2010Adelosina longirostraPercentageAragonite saturation stateMiliolinella spRosalina globularisAlkalinity totaltotalElphidium sp.Elphidium crispumCO2 ventElphidium advenumpHTemperaturedissolvedPseudotriloculina spCarbonate ionPartial pressure of carbon dioxide (water) at sea surface temperature (wet air)Rosalina spQuinqueloculina annectensEarth System ResearchHaynesina depressulaField observationElphidium margaritaceumPotentiometric titrationCalcite saturation statePotentiometricwaterMassilina gualtierianaRocky-shore communitySpiroloculina ornataQuinqueloculina auberianaBenthosDaitrona sp.Pileolina patelliformisOcean Acidification International Coordination Centre OA ICCMediterranean SeaBicarbonate ionCalculated using seacarb after Nisumaa et al. (2010)SpeciesVertebralina striataAffinetrina gualtierianaElphidium macellumCalculated using CO2SYSIndividualsCarbonate system computation flagFugacity of carbon dioxide (water) at sea surface temperature (wet air)Rosalina sp.CarbonBiomass/Abundance/Elemental compositionBolivina pseudoplicataPartial pressure of carbon dioxide water at sea surface temperature wet airCarbon dioxideQuinqueloculina stelligeraQuinqueloculina spPeneroplis pertususRocky shore communityEntire communityPeneroplis planatusFugacity of carbon dioxide water at sea surface temperature wet airCornuspira involvensBiomass Abundance Elemental compositionCoast and continental shelfLobatula lobatulaQuinqueloculina boscianaPseudotriloculina sp.
researchProduct