Saved in:
| Main Authors: | , , , , , , |
|---|---|
| Format: | Dataset Open Access |
| Language: | en |
| Published: |
PANGAEA
2022
|
| Subjects: | |
| Online Access: | https://doi.org/10.1594/PANGAEA.939651 |
| Tags: |
Add Tag
No Tags, Be the first to tag this record!
|
| _version_ | 1867170111982403584 |
|---|---|
| author | Comeau, Steeve Cornwall, Christopher Edward Shlesinger, T Hoogenboom, M O Mana, R McCulloch, Malcolm T Rodolfo-Metalpa, Riccardo |
| author_facet | Comeau, Steeve Cornwall, Christopher Edward Shlesinger, T Hoogenboom, M O Mana, R McCulloch, Malcolm T Rodolfo-Metalpa, Riccardo |
| collection | Datos científicos de ciencias marinas y ambientales |
| contents | Coral reefs are iconic ecosystems with immense ecological, economic and cultural value, but globally their carbonate-based skeletal construction is threatened by ocean acidification (OA). Identifying coral species that have specialised mechanisms to maintain high rates of calcification in the face of declining seawater pH is of paramount importance in predicting future species composition, and growth of coral reefs. Here, we studied multiple coral species from two distinct volcanic CO2 seeps in Papua New Guinea to assess their capacity to control their calcifying fluid (CF) chemistry. Several coral species living under conditions of low mean seawater pH, but with either low or high variability in seawater pH, were examined and compared with those living in 'normal' (non-seep) ambient seawater pH. We show that when mean seawater pH is low but highly variable, corals have a greater ability to maintain constant pHcf in their CF, but this characteristic was not linked with changes in abundance. Within less variable low pH seawater, corals with limited reductions in pHcf at the seep sites compared with controls tended to be more abundant at the seep site than at the control site. However, this finding was strongly influenced by a single species (Montipora foliosa), which was able to maintain complete pHcf homeostasis. Overall, although our findings indicate that there might be an association between ecological success and greater pHcf homeostasis, further research with additional species and at more sites with differing seawater pH regimes is required to solidify inferences regarding coral ecological success under future OA. |
| format | Dataset Open Access |
| id | pangaea_https___doi_org_10_1594_PANGAEA_939651 |
| institution | PANGAEA |
| language | en |
| publishDate | 2022 |
| publisher | PANGAEA |
| record_format | pangaea |
| spellingShingle | Coral calcifying fluid chemistry at CO2 seeps Comeau, Steeve Cornwall, Christopher Edward Shlesinger, T Hoogenboom, M O Mana, R McCulloch, Malcolm T Rodolfo-Metalpa, Riccardo Acid-base regulation; Acropora cytherea; Acropora millepora; Acropora samoensis; Acropora sp.; Acropora tenuis; Alkalinity, total; Animalia; Aragonite saturation state; Benthic animals; Benthos; Bicarbonate ion; Biomass/Abundance/Elemental composition; Boron/Calcium ratio; Calcifying fluid, dissolved inorganic carbon; Calcifying fluid, pH; Calcite saturation state; Calculated using seacarb after Nisumaa et al. (2010); Carbon, inorganic, dissolved; Carbonate ion; Carbonate system computation flag; Carbon dioxide; Cnidaria; CO2 vent; Coast and continental shelf; Echinopora lamellosa; Favites halicora; Favites pentagona; Field observation; Fugacity of carbon dioxide (water) at sea surface temperature (wet air); Galaxea fascicularis; Merulina ampliata; Montipora foliosa; OA-ICC; Ocean acidification; Ocean Acidification International Coordination Centre; Pachyseris speciosa; Partial pressure of carbon dioxide (water) at sea surface temperature (wet air); pH, total scale; Pocillopora damicornis; Pocillopora sp.; Pocillopora verrucosa; Porites annae; Porites lutea; Porites rus; Psammocora sp.; Registration number of species; Salinity; Seriatopora caliendum; Single species; Site; South Pacific; Species; Temperature, water; Treatment; Tropical; Turbinaria reniformis; Type; Uniform resource locator/link to reference; δ11B Coral reefs are iconic ecosystems with immense ecological, economic and cultural value, but globally their carbonate-based skeletal construction is threatened by ocean acidification (OA). Identifying coral species that have specialised mechanisms to maintain high rates of calcification in the face of declining seawater pH is of paramount importance in predicting future species composition, and growth of coral reefs. Here, we studied multiple coral species from two distinct volcanic CO2 seeps in Papua New Guinea to assess their capacity to control their calcifying fluid (CF) chemistry. Several coral species living under conditions of low mean seawater pH, but with either low or high variability in seawater pH, were examined and compared with those living in 'normal' (non-seep) ambient seawater pH. We show that when mean seawater pH is low but highly variable, corals have a greater ability to maintain constant pHcf in their CF, but this characteristic was not linked with changes in abundance. Within less variable low pH seawater, corals with limited reductions in pHcf at the seep sites compared with controls tended to be more abundant at the seep site than at the control site. However, this finding was strongly influenced by a single species (Montipora foliosa), which was able to maintain complete pHcf homeostasis. Overall, although our findings indicate that there might be an association between ecological success and greater pHcf homeostasis, further research with additional species and at more sites with differing seawater pH regimes is required to solidify inferences regarding coral ecological success under future OA. |
| title | Coral calcifying fluid chemistry at CO2 seeps |
| topic | Acid-base regulation; Acropora cytherea; Acropora millepora; Acropora samoensis; Acropora sp.; Acropora tenuis; Alkalinity, total; Animalia; Aragonite saturation state; Benthic animals; Benthos; Bicarbonate ion; Biomass/Abundance/Elemental composition; Boron/Calcium ratio; Calcifying fluid, dissolved inorganic carbon; Calcifying fluid, pH; Calcite saturation state; Calculated using seacarb after Nisumaa et al. (2010); Carbon, inorganic, dissolved; Carbonate ion; Carbonate system computation flag; Carbon dioxide; Cnidaria; CO2 vent; Coast and continental shelf; Echinopora lamellosa; Favites halicora; Favites pentagona; Field observation; Fugacity of carbon dioxide (water) at sea surface temperature (wet air); Galaxea fascicularis; Merulina ampliata; Montipora foliosa; OA-ICC; Ocean acidification; Ocean Acidification International Coordination Centre; Pachyseris speciosa; Partial pressure of carbon dioxide (water) at sea surface temperature (wet air); pH, total scale; Pocillopora damicornis; Pocillopora sp.; Pocillopora verrucosa; Porites annae; Porites lutea; Porites rus; Psammocora sp.; Registration number of species; Salinity; Seriatopora caliendum; Single species; Site; South Pacific; Species; Temperature, water; Treatment; Tropical; Turbinaria reniformis; Type; Uniform resource locator/link to reference; δ11B |
| url | https://doi.org/10.1594/PANGAEA.939651 |