Investigation of environmental disturbances and fluctuations in coastal environments
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PANGAEA
2025
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| author | Sierks, Maria Diallo, Papa Oumar Djibril Aguilar Muñoz, Polette Aravena, Camila Burmeister, Christian Crispi, Olivier Fernández, Camila Gouriou, Maëlann Hassenrück, Christiane Jamont, Alizée Laymand, Emile Maeke, Mara D Marie, Barbara Molina, Verónica Ortega-Retuerta, Eva Rabouille, Sophie Sajeeb, Mazharul Islam Stevens, Martha Turon, Robin Valdés-Castro, Valentina Beier, Sara |
| author_facet | Sierks, Maria Diallo, Papa Oumar Djibril Aguilar Muñoz, Polette Aravena, Camila Burmeister, Christian Crispi, Olivier Fernández, Camila Gouriou, Maëlann Hassenrück, Christiane Jamont, Alizée Laymand, Emile Maeke, Mara D Marie, Barbara Molina, Verónica Ortega-Retuerta, Eva Rabouille, Sophie Sajeeb, Mazharul Islam Stevens, Martha Turon, Robin Valdés-Castro, Valentina Beier, Sara |
| collection | Datos científicos de ciencias marinas y ambientales |
| contents | Coastal marine environments — including lagoons, fjords, and estuaries — are characterized by pronounced environmental variability, with fluctuations in salinity, temperature, and nutrient levels shaping microbial community structure and function. To explore these dynamic systems, we sampled 26 sites between December 2021 and January 2023 along the coasts of France and Chile, spanning lagoons, estuaries, fjords, harbours, and both coastal and offshore marine environments. Surface waters were collected using either Niskin bottles or polycarbonate carboys, with additional deeper layers obtained at three sites. Monthly sampling at six French sites enables the assessment of seasonal dynamics. The presented dataset captures multiple environmental gradients, ranging from terrestrial–marine transitions and salinity fluctuations to eutrophication level, seasonal, geographic and disturbance-related variation. A total of 116 samples were analysed for 13 environmental parameters alongside metabarcoding and metagenomic sequencing. Temperature and salinity were recorded in the field immediately after sampling. Chlorophyll a was quantified fluorometrically following acetone extraction (Holm-Hansen et al. 1965; Lorenzen 1967). Dissolved organic carbon (DOC) was measured using high-temperature catalytic oxidation (Benner and Strom 1993) with a TOC analyser. Fluorescent dissolved organic matter (fDOM) peaks T and C (as proxy for protein like and humic like DOM, respectively) were quantified with a Jasco FP-8500 spectrofluorometer (Coble 1996). Leucine incorporation rates were determined via the centrifugation method (Smith and Azam 1992), and respiration rates were estimated via oxygen consumption in 5 ml glass vials using PreSens OxoDishes and a SensorDish® Reader. Inorganic nutrients were analyzed using a QuAAtro39 or AA3HR autoanalyzer (Grasshoff et al. 2009; Aminot and Kérouel 2007). |
| format | Dataset Open Access |
| id | pangaea_https___doi_org_10_1594_PANGAEA_984582 |
| institution | PANGAEA |
| language | en |
| publishDate | 2025 |
| publisher | PANGAEA |
| record_format | pangaea |
| spellingShingle | Investigation of environmental disturbances and fluctuations in coastal environments Sierks, Maria Diallo, Papa Oumar Djibril Aguilar Muñoz, Polette Aravena, Camila Burmeister, Christian Crispi, Olivier Fernández, Camila Gouriou, Maëlann Hassenrück, Christiane Jamont, Alizée Laymand, Emile Maeke, Mara D Marie, Barbara Molina, Verónica Ortega-Retuerta, Eva Rabouille, Sophie Sajeeb, Mazharul Islam Stevens, Martha Turon, Robin Valdés-Castro, Valentina Beier, Sara Accession number, genetics; Ammonia; Banyuls Harbor, France; Beach; Bottle, Niskin 10-L; Bottle, Niskin 12-L; Campaign of event; Canet Lagoon, France; Carbon, organic, dissolved; Carboy, polycarbonate, 20-L; CBD01; CBS01; CCO01; CDE01; CDE02; CDI01; CHD01; CHI01; Chilean Pacific coast; Chlorophyll a; CHS01; CMH01; CMH02; Coastal; Coliumo Beach, Chile; Comau Fjord, Chile; Comment of event; Conductivity meter, WTW, Cond 330i (sampling in France); Multiparameter meter, Thermo Scientific, Orion Star™ (sampling in Chile); Continuous Segmented Flow Analyzer, SEAL Analytical, QuAAtro39; CPL01; CRA01; CXH01; CYH01; Date/Time of event; DEPTH, water; Dichato Estuary, Chile; Dichato field station, Chile; Dissolved Organic Matter; Ecology & Environment; Elevation of event; Environmental feature; Environmental feature (Semantic URI); Environmental feature (URI); Eutrophication gradient; Event label; FBB01; FBB02; FBB03; FBB04; FBB05; FBB06; FBB07; FCF01; FCF02; FCF03; FCF04; FCM01; FCM02; FCT01; FCT02; FCT03; FCT04; FCT05; FCT06; FCT07; FCT08; FCT09; FCT10; FCT11; FCT12; FCT13; FGR01; FGR02; FGR03; FGR04; FGR05; FGR06; FGR07; FGR08; FGR09; FGR10; FGR11; FGR12; FHB01; FHB02; FHB03; FHB04; FHB05; FHB06; FHB07; FHB08; FHB09; FHB10; FHB11; Fjord; FLA01; FLA02; FLA03; FLC01; FLC02; FLC03; FLC04; FLC05; FLC06; FLC07; FLC08; FLC09; FLC10; FLC11; FLC12; FLM01; FLM02; FLM03; FLP01; FLP02; FLP03; FLP04; FLP05; FLP06; FLP07; FLP08; FLP09; FLP10; FLP11; FLP12; Fluorescence, dissolved organic matter, C coble-peak; Fluorescence, dissolved organic matter, T coble-peak; Fluorometer, Turner Designs, 10-AU; FMD01; FMD02; FMD03; FMS01; FMS02; FMS03; FMS04; FMS05; FMS06; FMS07; FSS01; FSS02; FSS03; FSS04; FSS05; FSS06; FSS07; FSS08; FSS09; FSS10; FSS11; FSS12; GESIFUS.1; GESIFUS.2; GESIFUS.3; GESIFUS.4; GESIFUS2; Gruissan Lagoon, France; Gulf of Lion; Harbor; Higuerillas Harbor, Chile; Inorganic nutrients; Lagoon; La Palme Lagoon, France; Latitude of event; Leucat Lagoon, France; Leucine incorporation rate; Location of event; Longitude of event; Method/Device of event; Method comment; Microbiology; MOLA field station, off Banyuls-sur-Mer, France; NIS_10L; NIS_12L; Nitrate; Nitrite; Patagonia; Phosphate; Playa Ancha Harbor, Chile; Productivity parameters; registered at the European Nucleotides Archive (ENA); Respiration rate, carbon; Respirometry plate, PreSens, OxoDish®; using a sensor dish reader (SDR), PreSens, SensorDish® Reader; Rio Aconcagua, Chile; Salinity; Salinity gradient; Saltmarsh; Sana Beach, France; Seasonal survey; Segmented continuous flow autoanalyzer, SEAL Analytical, QuAAtro39; or segmented continuous flow autoanalyzerBran-Luebbbe, AA3HR; Silicate; SOLA field station, off Banyuls-sur-Mer, France; Spectrofluorometer, JASCO, FP-8500; equipped with xenon lamp; Temperature, water; Terms registered at EnvO, the Environmental Ontology; Terrestrial-marine transitions; The genetic structure of microbial communities as a signature of their functional stability; Total organic carbon analyzer, Shimadzu, TOC-V CSH; Tritated leucine incorporation method according to Smith and Azam (1992); Uniform resource locator/link to reference Coastal marine environments — including lagoons, fjords, and estuaries — are characterized by pronounced environmental variability, with fluctuations in salinity, temperature, and nutrient levels shaping microbial community structure and function. To explore these dynamic systems, we sampled 26 sites between December 2021 and January 2023 along the coasts of France and Chile, spanning lagoons, estuaries, fjords, harbours, and both coastal and offshore marine environments. Surface waters were collected using either Niskin bottles or polycarbonate carboys, with additional deeper layers obtained at three sites. Monthly sampling at six French sites enables the assessment of seasonal dynamics. The presented dataset captures multiple environmental gradients, ranging from terrestrial–marine transitions and salinity fluctuations to eutrophication level, seasonal, geographic and disturbance-related variation. A total of 116 samples were analysed for 13 environmental parameters alongside metabarcoding and metagenomic sequencing. Temperature and salinity were recorded in the field immediately after sampling. Chlorophyll a was quantified fluorometrically following acetone extraction (Holm-Hansen et al. 1965; Lorenzen 1967). Dissolved organic carbon (DOC) was measured using high-temperature catalytic oxidation (Benner and Strom 1993) with a TOC analyser. Fluorescent dissolved organic matter (fDOM) peaks T and C (as proxy for protein like and humic like DOM, respectively) were quantified with a Jasco FP-8500 spectrofluorometer (Coble 1996). Leucine incorporation rates were determined via the centrifugation method (Smith and Azam 1992), and respiration rates were estimated via oxygen consumption in 5 ml glass vials using PreSens OxoDishes and a SensorDish® Reader. Inorganic nutrients were analyzed using a QuAAtro39 or AA3HR autoanalyzer (Grasshoff et al. 2009; Aminot and Kérouel 2007). |
| title | Investigation of environmental disturbances and fluctuations in coastal environments |
| topic | Accession number, genetics; Ammonia; Banyuls Harbor, France; Beach; Bottle, Niskin 10-L; Bottle, Niskin 12-L; Campaign of event; Canet Lagoon, France; Carbon, organic, dissolved; Carboy, polycarbonate, 20-L; CBD01; CBS01; CCO01; CDE01; CDE02; CDI01; CHD01; CHI01; Chilean Pacific coast; Chlorophyll a; CHS01; CMH01; CMH02; Coastal; Coliumo Beach, Chile; Comau Fjord, Chile; Comment of event; Conductivity meter, WTW, Cond 330i (sampling in France); Multiparameter meter, Thermo Scientific, Orion Star™ (sampling in Chile); Continuous Segmented Flow Analyzer, SEAL Analytical, QuAAtro39; CPL01; CRA01; CXH01; CYH01; Date/Time of event; DEPTH, water; Dichato Estuary, Chile; Dichato field station, Chile; Dissolved Organic Matter; Ecology & Environment; Elevation of event; Environmental feature; Environmental feature (Semantic URI); Environmental feature (URI); Eutrophication gradient; Event label; FBB01; FBB02; FBB03; FBB04; FBB05; FBB06; FBB07; FCF01; FCF02; FCF03; FCF04; FCM01; FCM02; FCT01; FCT02; FCT03; FCT04; FCT05; FCT06; FCT07; FCT08; FCT09; FCT10; FCT11; FCT12; FCT13; FGR01; FGR02; FGR03; FGR04; FGR05; FGR06; FGR07; FGR08; FGR09; FGR10; FGR11; FGR12; FHB01; FHB02; FHB03; FHB04; FHB05; FHB06; FHB07; FHB08; FHB09; FHB10; FHB11; Fjord; FLA01; FLA02; FLA03; FLC01; FLC02; FLC03; FLC04; FLC05; FLC06; FLC07; FLC08; FLC09; FLC10; FLC11; FLC12; FLM01; FLM02; FLM03; FLP01; FLP02; FLP03; FLP04; FLP05; FLP06; FLP07; FLP08; FLP09; FLP10; FLP11; FLP12; Fluorescence, dissolved organic matter, C coble-peak; Fluorescence, dissolved organic matter, T coble-peak; Fluorometer, Turner Designs, 10-AU; FMD01; FMD02; FMD03; FMS01; FMS02; FMS03; FMS04; FMS05; FMS06; FMS07; FSS01; FSS02; FSS03; FSS04; FSS05; FSS06; FSS07; FSS08; FSS09; FSS10; FSS11; FSS12; GESIFUS.1; GESIFUS.2; GESIFUS.3; GESIFUS.4; GESIFUS2; Gruissan Lagoon, France; Gulf of Lion; Harbor; Higuerillas Harbor, Chile; Inorganic nutrients; Lagoon; La Palme Lagoon, France; Latitude of event; Leucat Lagoon, France; Leucine incorporation rate; Location of event; Longitude of event; Method/Device of event; Method comment; Microbiology; MOLA field station, off Banyuls-sur-Mer, France; NIS_10L; NIS_12L; Nitrate; Nitrite; Patagonia; Phosphate; Playa Ancha Harbor, Chile; Productivity parameters; registered at the European Nucleotides Archive (ENA); Respiration rate, carbon; Respirometry plate, PreSens, OxoDish®; using a sensor dish reader (SDR), PreSens, SensorDish® Reader; Rio Aconcagua, Chile; Salinity; Salinity gradient; Saltmarsh; Sana Beach, France; Seasonal survey; Segmented continuous flow autoanalyzer, SEAL Analytical, QuAAtro39; or segmented continuous flow autoanalyzerBran-Luebbbe, AA3HR; Silicate; SOLA field station, off Banyuls-sur-Mer, France; Spectrofluorometer, JASCO, FP-8500; equipped with xenon lamp; Temperature, water; Terms registered at EnvO, the Environmental Ontology; Terrestrial-marine transitions; The genetic structure of microbial communities as a signature of their functional stability; Total organic carbon analyzer, Shimadzu, TOC-V CSH; Tritated leucine incorporation method according to Smith and Azam (1992); Uniform resource locator/link to reference |
| url | https://doi.org/10.1594/PANGAEA.984582 |