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  • 1
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    GIS layers of seafloor characteristics in the Azores region (North Atlantic), links to files in ArcGIS format (2016)
    PANGAEA
    In:  Supplement to: Perán Miñarro, Antonio David; Pham, Christopher Kim; Amorim, Patricia; Cardigos, Frederico; Tempera, Fernando; Morato, Telmo (2016): Seafloor characteristics in the Azores region (North-Atlantic). Frontiers in Marine Science, 3, 4 pp, https://doi.org/10.3389/fmars.2016.00204
    Details
    Publication Date: 2023-02-24
    Description: Current European legislation such as the Marine Strategy Framework Directive (MSFD; 2008/56/EC) has highlighted the need for accurate maps on the geomorphology of Europe's maritime territory. Such information is notably essential for the production of habitat maps and cumulative impact assessments of human activities (Halpern et al., 2008) necessary for marine spatial planning initiatives (Gilliland and Laffoley, 2008) and assessments of the representativity/sufficiency of marine protected areas networks like Natura 2000. Broadscale satellite bathymetry presently allows the identification of all prominent geomorphic structures present on the seafloor with a high grade of accuracy. However, these datasets and maps still need to be more widely disseminated in the scientific community. In this contribution, we provide an inventory of some important datasets related to the physical characteristics of the seafloor surrounding the Azores Archipelago. The objective is to ensure that our compilation is readily available for any researchers interested in developing species distribution models, or for the management and conservation of natural resources in the region.
    Keywords: ATLAS; A Trans-Atlantic assessment and deep-water ecosystem-based spatial management plan for Europe; azores; Azores; File content; File size; Uniform resource locator/link to file
    Type: Dataset
    Format: text/tab-separated-values, 15 data points
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  • 2
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    Ocean climatology in the Azores region (North Atlantic) and seabed characteristics, links to GIS layers in ArcGIS format (2017)
    PANGAEA
    In:  Supplement to: Amorim, Patricia; Perán, António D; Pham, Christopher Kim; Juliano, Manuela; Cardigos, Frederico; Tempera, Fernando; Morato, Telmo (2017): Overview of the Ocean Climatology and Its Variability in the Azores Region of the North Atlantic Including Environmental Characteristics at the Seabed. Frontiers in Marine Science, 4(56), 1-16, https://doi.org/10.3389/fmars.2017.00056
    Details
    Publication Date: 2023-02-24
    Description: Obtaining a comprehensive knowledge of the spatial and temporal variations of the environmental factors characterizing the Azores region is essential for conservation and management purposes. Although many studies are available for the region, there is a need for a general overview of the best available information. Here, we assembled a comprehensive collection of environmental data for this region. Data sources used in this study included remote sensing oceanographic data for 2003?2013 (sea surface temperature, chlorophyll-a concentration, particulate inorganic carbon (PIC), and particulate organic carbon (POC)), derived oceanographic data (primary productivity and North Atlantic oscillation index) for 2003?2013, and in situ data (temperature, salinity, oxygen, phosphate, nitrate and silicate) obtained from the World Ocean Atlas 2013.
    Keywords: ATLAS; A Trans-Atlantic assessment and deep-water ecosystem-based spatial management plan for Europe; azores; Azores; File content; File size; Uniform resource locator/link to file
    Type: Dataset
    Format: text/tab-separated-values, 18 data points
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    DATA PANGAEA
  • 3
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    Records of distribution of deep-sea lithistids (Porifera, Heteroscleromorpha) of the Azores archipelago (2021)
    PANGAEA
    Details
    Publication Date: 2023-09-21
    Description: Records of distribution of deep-sea lithistids (Porifera, Heteroscleromorpha) of the Azores archipelago
    Keywords: ARQDACO_2008a; ARQDACO_2008b; ARQDACO-32-P10a; ARQDACO-32-P10b; ARQDACO-32-P10c; Arquipelago2010a; Arquipelago2010b; Arquipelago2010c; B_LL; Bottom longline; Bottom trawl; BT; Campaign; Class; CoralFishD-33-V10_1; CoralFishD-33-V10_2; CoralFishD-33-V10_3; CoralFishD-33-V10_4; CoralFishD-33-V10_5; CoralFishD-33-V10_6; CoralFishD-33-V10_7; CoralFishD-33-V10_8; CoralFishD-33-V10_9; CoralfishObservers_1; CoralfishObservers_10; CoralfishObservers_11; CoralfishObservers_12; CoralfishObservers_13; CoralfishObservers_14; CoralfishObservers_15; CoralfishObservers_16; CoralfishObservers_17; CoralfishObservers_18; CoralfishObservers_19; CoralfishObservers_2; CoralfishObservers_20; CoralfishObservers_21; CoralfishObservers_22; CoralfishObservers_23; CoralfishObservers_24; CoralfishObservers_25; CoralfishObservers_26; CoralfishObservers_27; CoralfishObservers_28; CoralfishObservers_29; CoralfishObservers_3; CoralfishObservers_30; CoralfishObservers_4; CoralfishObservers_5; CoralfishObservers_6; CoralfishObservers_7; CoralfishObservers_8; CoralfishObservers_9; DEECON-28-V07; DEECON-30-V08a; DEECON-30-V08b; Deep-sea Sponge Grounds Ecosystems of the North Atlantic; Depth, bottom/max; Depth, top/min; Dredge; DRG; Family; Genus; Identification; LATITUDE; Location; LONGITUDE; ManuelArriaga2007; MestreBobicha2011; Name; Order; PAoM_1887_112; PAoM_1888_198; PAoM_1888_229; PAoM_1888_234; PAoM_1888_247; PAoM_1895_578; PAoM_1895_587; PAoM_1895_597; PAoM_1895_600; PAoM_1896_654; PAoM_1896_683; PAoM_1896_702; PAoM_1896_703; PAoM_1897_866; PAoM_1897_882; PAoM_1897_899; PAoM_1897_909; PAoM_1902_1349; PAoM_1902_1367; PAoM_1905_2210; PAoM_1905_2214; PAoM_1911_3144; PAoM_unknown; Prince Albert of Monaco cruise station; Provenance/source; PTT_1955_106; PTT_1955_110; PTT_1955_62; PTT_1955_64; Reference/source; Sample method; South Atlantic Ocean; Species; SponGES; SponGES_Merces_1; SponGES_Merces_10; SponGES_Merces_11; SponGES_Merces_12; SponGES_Merces_13; SponGES_Merces_14; SponGES_Merces_2; SponGES_Merces_3; SponGES_Merces_4; SponGES_Merces_5; SponGES_Merces_6; SponGES_Merces_7; SponGES_Merces_8; SponGES_Merces_9; Station label; Subclass; Suborder; Theodore_Tissier_1955; Theodore Tissier; TRAWL; Trawl net; Uniform resource locator/link to metadata file; Vessel; VoluntaryFisher_1; VoluntaryFisher_10; VoluntaryFisher_11; VoluntaryFisher_2; VoluntaryFisher_3; VoluntaryFisher_4; VoluntaryFisher_5; VoluntaryFisher_6; VoluntaryFisher_7; VoluntaryFisher_8; VoluntaryFisher_9; Year of observation
    Type: Dataset
    Format: text/tab-separated-values, 2691 data points
    Location Call Number Expected Availability
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    DATA PANGAEA
  • 4
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    Occurence of sponges and associated fauna on the Schultz Bank (Summit) during GO Sars cruise GS2018108 in 2018 (2021)
    PANGAEA
    Details
    Publication Date: 2023-09-21
    Description: In 2014, two experimental Agassiz trawls were conducted on the Schulz Bank; one at the summit (568–670 m depth) and one on the southwestern flank (1,464 m depth). The 3-m-wide Agassiz trawl, with a 1 cm mesh size in the cod-end, was towed along the seafloor for 676 m on the summit and 441 m on the flank, resulting in a disturbed area of 2,028 and 1,323 m2, for the summit and flank, respectively. Towing speed was maintained at around 2 knots and the initial and final position were recorded. In August 2018, the two trawl marks and four additional control transects (one on either side of the trawl mark) were surveyed while onboard the R/V G.O.Sars. Video recordings were taken along the trawl marks and control transects with the ROV AEGIR6000. Control transects were located 50 m to the east and west of each trawl mark and were performed parallel to the mark.
    Keywords: Actiniaria sp.; Ascidiacea sp.; Craniella infrequens; Deep sea; Deep-sea Sponge Grounds Ecosystems of the North Atlantic; Demospongiae indeterminata; DEPTH, water; Device type; G. O. Sars (2003); Geodia parva; Gersemia rubiformis; GS2018108; GS2018108-11-ROV-09; Haliclona sp.; Hard subst, cover; Hemigellius sp.; Hexactinellida sp.; Hexactinellida spp.; Individuals per area; LATITUDE; Lissodendoryx complicata; LONGITUDE; Macrouridae; Number; ORDINAL NUMBER; Percentage; Polymastia thielei; Poraniomorpha tumida; Rajidae, eggs; Remote operated vehicle; ROV; Schultz Bank; Sediment cover; Solaster sp.; Spicule mat, cover; Sponges; SponGES; Stelletta rhaphidiophora; Strongylocentrotus sp.; Stylocordyla borealis; Swept area; trawl
    Type: Dataset
    Format: text/tab-separated-values, 1435 data points
    Location Call Number Expected Availability
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    DATA PANGAEA
  • 5
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    Occurence of sponges and associated fauna on the Schultz Bank (Flank) during GO Sars cruise GS2018108 in 2018 (2021)
    PANGAEA
    Details
    Publication Date: 2023-09-21
    Description: In 2014, two experimental Agassiz trawls were conducted on the Schulz Bank; one at the summit (568–670 m depth) and one on the southwestern flank (1,464 m depth). The 3-m-wide Agassiz trawl, with a 1 cm mesh size in the cod-end, was towed along the seafloor for 676 m on the summit and 441 m on the flank, resulting in a disturbed area of 2,028 and 1,323 m², for the summit and flank, respectively. Towing speed was maintained at around 2 knots and the initial and final position were recorded. In August 2018, the two trawl marks and four additional control transects (one on either side of the trawl mark) were surveyed while onboard the R/V G.O.Sars. Video recordings were taken along the trawl marks and control transects with the ROV AEGIR6000. Control transects were located 50 m to the east and west of each trawl mark and were performed parallel to the mark.
    Keywords: Actiniaria sp.; Ascidiacea sp.; Craniella infrequens; Crinoidea; Deep sea; Deep-sea Sponge Grounds Ecosystems of the North Atlantic; Demospongiae indeterminata; G. O. Sars (2003); Geodia hentscheli; GS2018108; GS2018108-27-ROV-19; Haliclona sp.; Hexactinellida spp.; Identification; Indeterminata; Individuals per area; LATITUDE; LONGITUDE; Lycodes diapterus; Lycopodina sp.; Nephrops norvegicus; Pedunculata; Remote operated vehicle; ROV; Schultz Bank; Solaster sp.; Sponges; SponGES; Stylocordyla borealis; Swept area; Transect number; trawl; Trawling distance; Treatment; Umbellula sp.
    Type: Dataset
    Format: text/tab-separated-values, 728 data points
    Location Call Number Expected Availability
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    DATA PANGAEA
  • 6
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    Sequences used in 28S and COI phylogenetic reconstructions of deep-sea lithistids (Porifera, Heteroscleromorpha) of the Azores archipelago (2021)
    PANGAEA
    Details
    Publication Date: 2024-04-20
    Description: Sequences used in 28S and COI phylogenetic reconstructions of deep-sea lithistids (Porifera, Heteroscleromorpha) of the Azores archipelago
    Keywords: azores; Azores; Deep-sea Sponge Grounds Ecosystems of the North Atlantic; SponGES
    Type: Dataset
    Format: application/vnd.openxmlformats-officedocument.spreadsheetml.sheet, 30.7 kBytes
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  • 7
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    Habitat suitability and ecoscape predictions for vulnerable and foundation cold-water coral of the Azores (NE Atlantic) (2020)
    PANGAEA
    In:  University of the Azores
    Details
    Publication Date: 2024-04-20
    Description: We developed habitat suitability models for 14 vulnerable and foundation CWC taxa of the Azores employing an original combination of traditional and novel modelling techniques. We introduced the term ecoscape to identify a sensu stricto environmental filter that delimits the potential distribution of coexisting species. --- The published data include: 1. GAM and Maxent habitat suitability predictions classified as high (3), medium (2) or low (1) confidence. Confidence in habitat suitability prediction was estimated with a bootstrap process and depended on the frequency individual raster cells were classified as suitable based on sensitivity‐specificity sum maximization thresholds. Based on this process habitat suitability predictions were categorized as low [1-50%), medium [50-90%) or high [90-100%] confidence. 2. Combined Suitability Maps. GAM and Maxent predictions were combined and each raster cell predicted as suitable was classified based on local fuzzy matching and bootstrap frequencies as follow: value of 1.0 in .tif files: high confidence suitable cells, raster cells predicted as suitable with high confidence by GAM or Maxent, or both and with a local fuzzy similarity greater than 0.5; value of 0.5 in .tif files: medium confidence suitable cells, raster cells predicted as suitable with medium confidence by both GAM and Maxent OR raster cells predicted as suitable with high confidence by GAM or Maxent and with a local fuzzy similarity not equal to zero; value of 0.0 in .tif files: low confidence suitable cell, any other cell predicted as suitable by GAM or Maxent, or both. 3. Overlapping habitat suitability predictions. The .tif file shows the number of taxa predicted as suitable for each raster cell. 4. Regional ecoscapes. Ecoscapes were classified as shallow areas (1), upper slopes (2) and lower slopes (3). 5. Environmetal clusters used to define regional ecoscapes. Clusters were derived using the X-means algorithm.
    Keywords: Atlantic; Azores; Azores_reef; BIO; Biology; cold-water corals; Deep sea; ecoscape; environmental filtering; foundation species; habitat suitability; Image; Image (File Size); Image (Media Type); Species; vulnerable marine ecosystems
    Type: Dataset
    Format: text/tab-separated-values, 89 data points
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  • 8
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    FUN Azores: A trait database for the marine species of the ridges, seamounts, and hydrothermal vents of the Azores, NE Atlantic (2023)
    PANGAEA
    Details
    Publication Date: 2024-06-12
    Description: Trait-based approaches that complement taxonomic-based studies have increased in popularity among the scientific community over the last decades. The collection of biological and ecological characteristics of species (i.e., traits) provides insight into species and ecosystem vulnerability to environmental and anthropogenic changes, as well as ecosystem functioning. While most of the available trait databases to date contain essential information to understand the functional diversity of a taxonomic group or functional group based on size, the FUN Azores trait database has an ecosystem-based approach that provides a comprehensive assessment of diverse fauna (meio-, macro-, and megafauna) from benthic and pelagic environments in the Azores Marine Park; including ridges, seamounts, and hydrothermal vents. We used a collaborative approach involving 30 researchers with different expertise to develop the trait database; which contains compiled data on 14 traits representing morphological, behavioral, and life history characteristics for 1210 species, across 10 phyla.
    Keywords: Azores; Azores_FUNTraits_2023; FunAzores; functional diversity; Functional traits and ecological processes in the Azores Marine Park : Understanding the biodiversity-ecosystem functioning; hydrothermal deep sea vent; Literature search; Literature survey; Marine Protected Area (MPA); Seamount; trait-based ecology; trait diversity; trait ecology
    Type: Dataset
    Format: text/plain, 1.6 MBytes
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  • 9
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    Effect of suspended microplastics on larval swimming speed of the cold-water scleractinian coral of Desmophyllum pertusum (2024)
    PANGAEA
    Details
    Publication Date: 2024-06-12
    Description: We report the results of a short-term experiment testing the effects of microplastics (MP) on the larvae of the cold-water coral Desmophyllum pertusum (syn. Lophelia pertusa). The experiment was conducted at the Tjärnö Marine Laboratory Facilities (University of Gothenburg, Sweden). To simulate MP pollution, we used 6 μm yellow-green fluorescent polystyrene microbeads (catalog no: 17156, Polysciences). The experimental design consisted of three treatments: control treatment with (1) no MP addition (0 MP/mL), (2) addition of 1000 pristine MP/mL, and (3) addition of 1000 biofouled MP/mL. Larvae were exposed to the different treatments in 75 mL culture flasks mounted on a rotating plankton wheel to keep sediments in suspension. After a 24-hour period, the potential impact of MP on larval swimming speed was analyzed using image analysis software (Meijering et al. 2012).
    Keywords: Cnidaria; Cold water corals; Deep sea; Distance; Duration; Experiment duration; iAtlantic; Image analysis, NIH ImageJ, MTrackJ plugin; Individual ID; Integrated Assessment of Atlantic Marine Ecosystems in Space and Time; Laboratory experiment; larvae; Lophelia pertusa; Microplastics; North Atlantic; Number of points; Remote operated vehicle; Replicate; ROV; scleractinians; Species; Species, unique identification (Semantic URI); Species, unique identification (URI); Speed, swimming; Tisler_Sampling_Lophelia_pertusa_5; Tisler_Sampling_Lophelia_pertusa_7; Tisler_Sampling_Lophelia_pertusa_8; Tisler Reef, Skagerrak; Tjärnö_Lophelia_Experiment; Tjärnö, Schweden; Treatment
    Type: Dataset
    Format: text/tab-separated-values, 560 data points
    Location Call Number Expected Availability
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    DATA PANGAEA
  • 10
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    Effect of suspended microplastics on larval survival of the cold-water scleractinian coral Desmophyllum pertusum (2024)
    PANGAEA
    Details
    Publication Date: 2024-06-12
    Description: We report the results of a short-term experiment testing the effects of microplastics (MP) on the larvae of the cold-water coral Desmophyllum pertusum (syn. Lophelia pertusa). The experiment was conducted at the Tjärnö Marine Laboratory Facilities (University of Gothenburg, Sweden). To simulate MP pollution, we used 6 μm yellow-green fluorescent polystyrene microbeads (catalog no: 17156, Polysciences). The experimental design consisted of three treatments: control treatment with (1) no MP addition (0 MP/mL), (2) addition of 1000 pristine MP/mL, and (3) addition of 1000 biofouled MP/mL. Larvae were exposed to the different treatments in 75 mL culture flasks mounted on a rotating plankton wheel to keep sediments in suspension. After a 24-hour period, the potential impact of MP on larval survival was analyzed.
    Keywords: Cnidaria; Cold water corals; Deep sea; Experiment duration; iAtlantic; Integrated Assessment of Atlantic Marine Ecosystems in Space and Time; Laboratory experiment; larvae; Lophelia pertusa; Microplastics; North Atlantic; Remote operated vehicle; Replicate; ROV; scleractinians; Species; Species, unique identification (Semantic URI); Species, unique identification (URI); Survival; Tisler_Sampling_Lophelia_pertusa_5; Tisler_Sampling_Lophelia_pertusa_7; Tisler_Sampling_Lophelia_pertusa_8; Tisler Reef, Skagerrak; Tjärnö_Lophelia_Experiment; Tjärnö, Schweden; Treatment; VID; Visual identification
    Type: Dataset
    Format: text/tab-separated-values, 54 data points
    Location Call Number Expected Availability
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    DATA PANGAEA
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