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  • 1
    Publication Date: 2023-04-29
    Keywords: Biomass; calcification; Chilean Patagonia; Comau Fjord, Patagonia, Chile; DATE/TIME; DEPTH, water; environmental fluctuation; growth; Identification; Latitude of event; Longitude of event; Monitoring station; MONS; PACOC; Plankton- And cold-water COral ecology in Comau Fjord, Chile; Respiration; Salinity; Season; Station label; Temperature, water; X-Huinay
    Type: Dataset
    Format: text/tab-separated-values, 49491 data points
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  • 2
    Publication Date: 2023-11-09
    Description: In September 2016, CTD measurements were carried out along the Comau Fjord, Chile, from the head of the fjord to the mouth of the fjord. CTD measurements were taken at a total of 6 stations from the surface to the bottom of the fjord and temperature, salinity, fluorescence, density, oxygen and pH per meter of water depth were recorded.
    Keywords: Chilean Patagonia; Comau Fjord; CTD, handheld; CTD, SEA-BIRD SBE 19; DATE/TIME; Density, sigma-theta (0); DEPTH, water; Distance; environmental fluctuation; Event label; Fluorescence; Golfo_de_Ancud; hCTD; Identification; LATITUDE; LONGITUDE; off_Leptepu; off_Lilihuapi; off_Lilliguapi; off_Punta_Gruesa; off_SWALL; off_Telele; off_X-Huinay; Oxygen; Oxygen saturation; PACOC; pH; Plankton- And cold-water COral ecology in Comau Fjord, Chile; Salinity; Season; Station label; Temperature, water
    Type: Dataset
    Format: text/tab-separated-values, 37940 data points
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  • 3
    Publication Date: 2023-09-20
    Keywords: A, As; B; C; Calculated; Comau Fjord, Patagonia, Chile; D; DATE/TIME; Date/time start; Ed; Es; F, Fs, Lillihuapy, Lilliguapi; Liliguapi; Monitoring station; MONS; Near_SWALL; PACOC; Pared_de_la_cruz; Pirate_Cove; Plankton- And cold-water COral ecology in Comau Fjord, Chile; Rio_Tambor; Temperature, water; Temperature, water, mean; Temperature, water, minimum; Temperature, water, standard deviation; Temperature anomaly; Temperature logger, UTBI-001 TidbiT; X-Telele; X-Telele_deep
    Type: Dataset
    Format: text/tab-separated-values, 1131091 data points
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  • 4
    Publication Date: 2023-09-20
    Keywords: A, As; B; C; Comau Fjord, Patagonia, Chile; D; Depth, description; DEPTH, water; Desmophyllum dianthus, calcification rate; Desmophyllum dianthus, respiration rate, oxygen; Desmophyllum dianthus, tissue length; Ed; Es; Event label; F, Fs, Lillihuapy, Lilliguapi; Identification; Latitude of event; Liliguapi; Longitude of event; Method comment; Monitoring station; MONS; Near_SWALL; PACOC; Pared_de_la_cruz; Pirate_Cove; Plankton- And cold-water COral ecology in Comau Fjord, Chile; Rio_Tambor; Season; Station label; X-Telele; X-Telele_deep
    Type: Dataset
    Format: text/tab-separated-values, 3579 data points
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  • 5
    Publication Date: 2023-09-20
    Keywords: A, As; Alkalinity, total; Aragonite saturation state; B; C; Carbon, inorganic, dissolved; Carbon dioxide, partial pressure; Comau Fjord, Patagonia, Chile; CTD; D; Depth, description; DEPTH, water; Ed; Es; Event label; F, Fs, Lillihuapy, Lilliguapi; Identification; Latitude of event; Liliguapi; Longitude of event; Monitoring station; MONS; Near_SWALL; Oxygen; PACOC; Pared_de_la_cruz; pH; Pirate_Cove; Plankton- And cold-water COral ecology in Comau Fjord, Chile; Rio_Tambor; Salinity; Sample ID; Season; Station label; Temperature, variability; Temperature, water; Temperature, water, mean; Temperature, water, standard deviation; Temperature logger, UTBI-001 TidbiT; X-Telele; X-Telele_deep
    Type: Dataset
    Format: text/tab-separated-values, 357 data points
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  • 6
    Publication Date: 2023-09-20
    Keywords: A, As; B; C; Comau Fjord, Patagonia, Chile; D; Depth, description; DEPTH, water; Desmophyllum dianthus, biomass; Ed; Es; Event label; F, Fs, Lillihuapy, Lilliguapi; Identification; Latitude of event; Liliguapi; Longitude of event; Method comment; Monitoring station; MONS; Near_SWALL; PACOC; Pared_de_la_cruz; Pirate_Cove; Plankton- And cold-water COral ecology in Comau Fjord, Chile; Rio_Tambor; Season; Station label; X-Telele; X-Telele_deep
    Type: Dataset
    Format: text/tab-separated-values, 1968 data points
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  • 7
    Publication Date: 2023-11-13
    Description: Between September 2016 and August 2017, we conducted year-long reciprocal transplantation experiments using the cold-water coral Desmophyllum dianthus along natural oceanographic horizontal and vertical gradients (vertically: 20 m to 300 m depth and horizontally: head to mouth of fjord) in Comau Fjord to study its acclimatisation potential to changing environmental conditions. Seasonal calcification, respiration and tissue biomass of native and novel (cross-transplanted) corals were determined at six shallow (A-F, 20 m) and one deep station (Ed, 300 m) during autral summer (January), autumn (May) and winter (August). Temperature was measured continuously at each of the coral stations using TidbiT temperature loggers, and CTD casts and discrete water samples were taken once per season. In addition, temperature and salinity were measured continuously with a CTD at another station (X).
    Keywords: Biomass; calcification; Chilean Patagonia; environmental fluctuation; growth; PACOC; Plankton- And cold-water COral ecology in Comau Fjord, Chile; Respiration
    Type: Dataset
    Format: application/zip, 5 datasets
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  • 8
    Publication Date: 2024-03-15
    Description: The stratified Chilean Comau Fjord sustains a dense population of the cold-water coral (CWC) Desmophyllum dianthus in aragonite supersaturated shallow and aragonite undersaturated deep water. This provides a rare opportunity to evaluate CWC fitness trade-offs in response to physico-chemical drivers and their variability. Here, we combined year-long reciprocal transplantation experiments along natural oceanographic gradients with an in situ assessment of CWC fitness. Following transplantation, corals acclimated fast to the novel environment with no discernible difference between native and novel (i.e. cross-transplanted) corals, demonstrating high phenotypic plasticity. Surprisingly, corals exposed to lowest aragonite saturation (Omega arag 〈 1) and temperature (T 〈 12.0 °C), but stable environmental conditions, at the deep station grew fastest and expressed the fittest phenotype. We found an inverse relationship between CWC fitness and environmental variability and propose to consider the high frequency fluctuations of abiotic and biotic factors to better predict the future of CWCs in a changing ocean.
    Keywords: A, As; Alkalinity, total; Animalia; Aragonite saturation state; B; Benthic animals; Benthos; Bicarbonate ion; Biomass; Biomass/Abundance/Elemental composition; C; Calcification/Dissolution; Calcification rate; Calcification rate of calcium carbonate; Calcite saturation state; Calculated using seacarb after Nisumaa et al. (2010); Carbon, inorganic, dissolved; Carbonate ion; Carbonate system computation flag; Carbon dioxide; Cnidaria; Coast and continental shelf; Comau Fjord, Patagonia, Chile; CTD; D; Depth, description; DEPTH, water; Desmophyllum dianthus; Ed; Es; Event label; F, Fs, Lillihuapy, Lilliguapi; Field experiment; Fugacity of carbon dioxide (water) at sea surface temperature (wet air); Growth/Morphology; Identification; LATITUDE; Length; Liliguapi; LONGITUDE; Method comment; Monitoring station; MONS; Near_SWALL; OA-ICC; Ocean Acidification International Coordination Centre; Oxygen; Pared_de_la_cruz; Partial pressure of carbon dioxide (water) at sea surface temperature (wet air); pH; Pirate_Cove; Respiration; Respiration rate, oxygen; Rio_Tambor; Salinity; Season; Single species; South Pacific; Species, unique identification; Species, unique identification (Semantic URI); Species, unique identification (URI); Station label; Temperate; Temperature, variability; Temperature, water; Temperature, water, standard deviation; Temperature logger, UTBI-001 TidbiT; Type; X-Telele; X-Telele_deep
    Type: Dataset
    Format: text/tab-separated-values, 20157 data points
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  • 9
    Publication Date: 2024-04-24
    Description: In September 2016 specimens of the cold-water coral Desmophyllum dianthus were sampled along natural oceanographic horizontal and vertical gradients (vertically: 20 m and 280 m depth and horizontally: fjord head, center, and mouth) in Comau Fjord to study its fatty acids composition. The aim was to understand better a) how the fatty acid composition changes in response to the experienced in situ environmental conditions, b) if they can provide insights into the potential food sources, and c) how the coral phenotype affects their composition. The background environment conditions and the coral's physiological performance were derived from previous assessments (Beck et al. 2022, doi:10.1594/PANGAEA.945072), and additional CTD casts were performed in September 2016 (doi:10.1594/PANGAEA.962593).
    Keywords: 11-Icosenoic acid of total fatty acids; 12-methyl-Tetradecanoic acid; 12-methyl-Tetradecanoic acid of total fatty acids (IUPAC: 12-methyltetradecanoic acid); 13-methyl-Tetradecanoic acid; 15-methyl-Hexadecanoic acid; 6,9,12,15-Hexadecatetraenoic acid; 6,9,12,15-Hexadecatetraenoic acid of total fatty acids; 6,9,12,15-Octadecatetraenoic acid of total fatty acids; 6,9,12-Hexadecatrienoic acid; 6,9,12-Hexadecatrienoic acid of total fatty acids; 9,12,15-Octadecatrienoic acid of total fatty acids; 9,12-Hexadecadienoic acid; 9,12-Hexadecadienoic acid of total fatty acids; 9-Tetradecenoic acid; 9-Tetradecenoic acid of total fatty acids; A, As; all-cis-11,14,17-Eicosatrienoic acid; all-cis-11,14,17-Eicosatrienoic acid of total fatty acids; all-cis-11,14-Eicosadienoic acid; all-cis-11,14-Eicosadienoic acid of total fatty acids; all-cis-13,16-Docosadienoic acid; all-cis-13,16-Docosadienoic acid of total fatty acids; all-cis-4,7,10,13,16,19-Docosahexaenoic acid; all-cis-4,7,10,13,16,19-Docosahexaenoic acid of total fatty acids; all-cis-5,8,11,14,17-Eicosapentaenoic acid; all-cis-5,8,11,14,17-Eicosapentaenoic acid of total fatty acids; all-cis-5,8,11,14-Eicosatetraenoic acid; all-cis-5,8,11,14-Eicosatetraenoic acid of total fatty acids; all-cis-6,9,12,15-Octadecatetraenoic acid; all-cis-6,9,12-Octadecatrienoic acid; all-cis-6,9,12-Octadecatrienoic acid of total fatty acids; all-cis-7,10,13,16,19-Docosapentaenoic acid; all-cis-7,10,13,16,19-Docosapentaenoic acid of total fatty acids; all-cis-7,10,13,16-Docosatetraenoic acid; all-cis-7,10,13,16-Docosatetraenoic acid of total fatty acids; all-cis-8,11,14,17-Eicosatetraenoic acid; all-cis-8,11,14,17-Eicosatetraenoic acid of total fatty acids; all-cis-8,11,14-Eicosatrienoic acid; all-cis-8,11,14-Eicosatrienoic acid of total fatty acids; all-cis-9,12,15-Octadecatrienoic acid; all-cis-9,12-Octadecadienoic acid; all-cis-9,12-Octadecadienoic acid of total fatty acids; Calculated; Chilean Patagonia; cis-10-Pentadecenoic acid; cis-10-Pentadecenoic acid of total fatty acids; cis-11-Docosenoic acid; cis-11-Docosenoic acid of total fatty acids; cis-11-Hexadecenoic acid; cis-11-Hexadecenoic acid of total fatty acids (IUPAC: (11Z)-hexadec-11-enoic acid); cis-11-Icosenoic acid; cis-11-Octadecenoic acid of total fatty acids (IUPAC: Octadec-11-enoic acid); cis-13-Docosenoic acid; cis-13-Docosenoic acid of total fatty acids; cis-13-Icosenoic acid; cis-13-Icosenoic acid of total fatty acids; cis-13-Octadecenoic acid; cis-13-Octadecenoic acid of total fatty acids; cis-15-Docosenoic acid; cis-15-Docosenoic acid of total fatty acids; cis-15-Icosenoic acid; cis-15-Icosenoic acid of total fatty acids; cis-15-Tetracosenoic acid; cis-15-Tetracosenoic acid of total fatty acids; cis-17-Docosenoic acid; cis-17-Docosenoic acid of total fatty acids; cis-9-Hexadecenoic acid; cis-9-Hexadecenoic acid of total fatty acids (IUPAC: (9Z)-hexadec-9-enoic acid); cis-9-Icosanoic acid; cis-9-Icosanoic acid of total fatty acids; cis-9-Octadecenoic acid; cis-9-Octadecenoic acid of total fatty acids (IUPAC: Octadec-9-enoic acid); Comau Fjord; Comau Fjord, Patagonia, Chile; DATE/TIME; Depth, description; DEPTH, water; Docosanoic acid; Docosanoic acid of total fatty acids; Docosatetraenoic acid 22:4(n-3); Docosatetraenoic acid 22:4(n-3) of total fatty acids; Docosenol; Docosenol of total fatty alcohols; Ed; environmental fluctuation; Es; Event label; F, Fs, Lillihuapy, Lilliguapi; Fatty acids; Fatty acids per ash free dry mass; Fatty alcohols; Fatty alcohols per ash free dry mass; Gas chromatography; Heptadecanoic acid; Heptadecanoic acid of total fatty acids; Hexadecanoic acid; Hexadecanoic acid of total fatty acids; Hexadecanol; Hexadecanol of total fatty alcohols; Hexadecenol; Hexadecenol of total fatty alcohols; Icosanoic acid; Icosanoic acid of total fatty acids; Icosenol; Icosenol of total fatty alcohols; Identification; iso-Heptadecanoic acid of total fatty acids (IUPAC: 15-methylhexadecanoic acid); iso-Pentadecanoic acid of total fatty acids (IUPAC: 13-methyltetradecanoic acid); LATITUDE; Liliguapi; Lipids, per ash free dry mass; LONGITUDE; Monitoring station; Monounsaturated fatty acids; Monounsaturated fatty acids of total fatty acids; Monounsaturated fatty alcohols; Monounsaturated fatty alcohols of total fatty alcohols; MONS; Octadecanoic acid; Octadecanoic acid of total fatty acids; Octadecanol; Octadecanol of total fatty alcohols; Other event; PACOC; Pentadecanoic acid; Pentadecanoic acid of total fatty acids; Pirate_Cove; Plankton- And cold-water COral ecology in Comau Fjord, Chile; Polyunsaturated fatty acids; Polyunsaturated fatty acids of total fatty acids; Saturated fatty acids; Saturated fatty acids of total fatty acid groups; Saturated fatty alcohols; Saturated fatty alcohols of total fatty alcohols; Site; Species, unique identification; Species, unique identification (Semantic URI); Species, unique identification (URI); Tetracosenoic acid 24:1(n-11); Tetracosenoic acid 24:1(n-11) of total fatty acids; Tetradecanoic acid; Tetradecanoic acid of total fatty acids; Tetradecanol; Tetradecanol of total alcohols; Wax esters per ash free dry mass; X-Telele; X-Telele_deep
    Type: Dataset
    Format: text/tab-separated-values, 3072 data points
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  • 10
    Publication Date: 2023-12-20
    Description: Benthic suspension feeders like corals and sponges are important bioengineers in many marine habitats, from the shallow tropics to the depth of polar oceans. While they are generally considered opportunistic, little is known about their actual in situ diet. To tackle this limitation, fatty acid trophic markers (FATMs) have been employed to gain insights into the composition of their diet. Yet, these in situ studies have not been combined with physiological investigations to understand how physiological limitations may modulate the biochemistry of these organisms. Here, we used the cold-water coral (CWC) Desmophyllum dianthus in its natural habitat in Comau Fjord (Northern Patagonia, Chile) as our model species to assess the trophic ecology in response to contrasting physico-chemical conditions (variable vs. stable) and ecological drivers (food availability) at three shallow sites and one deep site. We took advantage of the expression of two distinct phenotypes with contrasting performance (growth, biomass, respiration) coinciding with the differences in sampling depth. We analysed the corals' fatty acid composition to evaluate the utility of FATM profiles to gain dietary insights and assess how performance trade-offs potentially modulate an organism's FATM composition. We found that 20:1(n-9) zooplankton markers dominated the deep high-performance phenotype, while 20:5(n-3) and 22:6(n-3) diatom and flagellate markers, respectively, are more prominent in shallow low-performance phenotype. Surprisingly, both energy stores and performance were higher in the deep phenotype, in spite of measured lower zooplankton availability. Essential FA concentrations were conserved across sites, likely reflecting required levels for coral functioning and survival. While the deep high-performance phenotype met with these requirements, the low-performance phenotype appeared to need more energy to maintain functionality in its highly variable environment, potentially causing intrinsic re-allocations of energy and enrichment in certain essential markers (20:5(n-3), 22:6(n-3)). Our analysis highlights the biological and ecological insights that can be gained from FATM profiles in CWCs, but also cautions the reliability of FATM as diet tracers under limiting environmental conditions that may also be applicable to other marine organisms. Read the free Plain Language Summary for this article on the Journal blog.
    Repository Name: EPIC Alfred Wegener Institut
    Type: Article , isiRev
    Format: application/pdf
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