USAP-DC

{"dp_type": "Dataset", "free_text": "Ocean Acidification"}

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These were used for community analyses of the benthic communities in combination with 2019 videos in dataset 601610 (https://doi.org/10.15784/601610 ). ", "east": -63.853133, "geometry": ["POINT(-64.1114915 -64.83605850000001)"], "keywords": "Antarctica; Biota; Cryosphere; Oceans; Southern Ocean; Video Transects", "locations": "Antarctica; Southern Ocean", "north": -64.77195, "nsf_funding_programs": "Antarctic Organisms and Ecosystems", "persons": "Amsler, Charles", "project_titles": "Assemblage-wide effects of ocean acidification and ocean warming on ecologically important macroalgal-associated crustaceans in Antarctica", "projects": [{"proj_uid": "p0010193", "repository": "USAP-DC", "title": "Assemblage-wide effects of ocean acidification and ocean warming on ecologically important macroalgal-associated crustaceans in Antarctica"}], "repo": "USAP-DC", "repositories": "USAP-DC", "science_programs": null, "south": -64.900167, "title": "Underwater transect videos used for 2020 and 2023 community analyses", "uid": "601796", "west": -64.36985}, {"awards": "1848887 McClintock, James", "bounds_geometry": ["POINT(-64 -64)"], "date_created": "Fri, 24 May 2024 00:00:00 GMT", "description": "Feeding bioassay data from experiments testing consumption of untreated, palatable red macroalgal disks (Palmaria decipiens) by the amphipod Gondogeneia antarctica treated under ambient (pH 8.1), near future (7.7), and distant future (7.3) pH levels for 55 days.", "east": -64.0, "geometry": ["POINT(-64 -64)"], "keywords": "Antarctica; 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Cryosphere; Palmer Station", "locations": "Palmer Station; Antarctica", "north": -64.0, "nsf_funding_programs": "Antarctic Organisms and Ecosystems", "persons": "Amsler, Charles", "project_titles": "Assemblage-wide effects of ocean acidification and ocean warming on ecologically important macroalgal-associated crustaceans in Antarctica", "projects": [{"proj_uid": "p0010193", "repository": "USAP-DC", "title": "Assemblage-wide effects of ocean acidification and ocean warming on ecologically important macroalgal-associated crustaceans in Antarctica"}], "repo": "USAP-DC", "repositories": "USAP-DC", "science_programs": null, "south": -64.0, "title": "Palatability of Palmaria decipiens thallus from ambient and low pH treatments", "uid": "601792", "west": -64.0}, {"awards": "1848887 McClintock, James", "bounds_geometry": ["POINT(-64 -64)"], "date_created": "Wed, 22 May 2024 00:00:00 GMT", "description": "Feeding bioassay data from experiments testing the palatability to an amphipod (Gondogeneia antarctica) of half-natural concentration extracts of the brown alga Desmarestia menziesii treated under ambient (pH 8.1), near future (7.7), and distant future (7.3) pH levels for 52 days.", "east": -64.0, "geometry": ["POINT(-64 -64)"], "keywords": "Antarctica; Cryosphere; Palmer Station", "locations": "Palmer Station; Antarctica", "north": -64.0, "nsf_funding_programs": "Antarctic Organisms and Ecosystems", "persons": "Amsler, Charles", "project_titles": "Assemblage-wide effects of ocean acidification and ocean warming on ecologically important macroalgal-associated crustaceans in Antarctica", "projects": [{"proj_uid": "p0010193", "repository": "USAP-DC", "title": "Assemblage-wide effects of ocean acidification and ocean warming on ecologically important macroalgal-associated crustaceans in Antarctica"}], "repo": "USAP-DC", "repositories": "USAP-DC", "science_programs": null, "south": -64.0, "title": "Palatability of Desmarestia menziesii extracts from ambient and low pH treatments", "uid": "601791", "west": -64.0}, {"awards": "1848887 McClintock, James; 1744550 Amsler, Charles", "bounds_geometry": ["POLYGON((-64.36985 -64.77195,-64.3181783 -64.77195,-64.2665066 -64.77195,-64.2148349 -64.77195,-64.1631632 -64.77195,-64.1114915 -64.77195,-64.0598198 -64.77195,-64.0081481 -64.77195,-63.9564764 -64.77195,-63.9048047 -64.77195,-63.853133 -64.77195,-63.853133 -64.78477170000001,-63.853133 -64.7975934,-63.853133 -64.8104151,-63.853133 -64.8232368,-63.853133 -64.83605850000001,-63.853133 -64.8488802,-63.853133 -64.8617019,-63.853133 -64.8745236,-63.853133 -64.88734529999999,-63.853133 -64.900167,-63.9048047 -64.900167,-63.9564764 -64.900167,-64.0081481 -64.900167,-64.0598198 -64.900167,-64.1114915 -64.900167,-64.1631632 -64.900167,-64.2148349 -64.900167,-64.2665066 -64.900167,-64.3181783 -64.900167,-64.36985 -64.900167,-64.36985 -64.88734529999999,-64.36985 -64.8745236,-64.36985 -64.8617019,-64.36985 -64.8488802,-64.36985 -64.83605850000001,-64.36985 -64.8232368,-64.36985 -64.8104151,-64.36985 -64.7975934,-64.36985 -64.78477170000001,-64.36985 -64.77195))"], "date_created": "Thu, 16 May 2024 00:00:00 GMT", "description": "File presents summary of image analysis of 956 screen grabs derived from 17 diver video transects of marine communities at 4 sites (A-D) along the Antarctic Peninsula surveyed in 2020 (sites B \u0026 C only) and 2023. The coordinates for these sites are in USAP-DC dataset 601330 (https://doi.org/10.15784/601330 ) and published in Amsler et al. 2003 (https://doi.org/10.1525/elementa.2023.00020).", "east": -63.853133, "geometry": ["POINT(-64.1114915 -64.83605850000001)"], "keywords": "Antarctica; Antarctic Peninsula; Biota; Cryosphere; Species Abundance; Video Transects", "locations": "Antarctica; Antarctic Peninsula", "north": -64.77195, "nsf_funding_programs": "Antarctic Organisms and Ecosystems; Antarctic Organisms and Ecosystems", "persons": "Amsler, Charles", "project_titles": "Assemblage-wide effects of ocean acidification and ocean warming on ecologically important macroalgal-associated crustaceans in Antarctica", "projects": [{"proj_uid": "p0010193", "repository": "USAP-DC", "title": "Assemblage-wide effects of ocean acidification and ocean warming on ecologically important macroalgal-associated crustaceans in Antarctica"}], "repo": "USAP-DC", "repositories": "USAP-DC", "science_programs": null, "south": -64.900167, "title": "2020 and 2023 Underwater video transect community analysis data", "uid": "601787", "west": -64.36985}, {"awards": "1848887 McClintock, James", "bounds_geometry": ["POLYGON((-64.06 -64.76,-64.058 -64.76,-64.056 -64.76,-64.054 -64.76,-64.052 -64.76,-64.05000000000001 -64.76,-64.048 -64.76,-64.046 -64.76,-64.04400000000001 -64.76,-64.042 -64.76,-64.04 -64.76,-64.04 -64.76100000000001,-64.04 -64.762,-64.04 -64.763,-64.04 -64.764,-64.04 -64.765,-64.04 -64.766,-64.04 -64.767,-64.04 -64.768,-64.04 -64.76899999999999,-64.04 -64.77,-64.042 -64.77,-64.04400000000001 -64.77,-64.046 -64.77,-64.048 -64.77,-64.05000000000001 -64.77,-64.052 -64.77,-64.054 -64.77,-64.056 -64.77,-64.058 -64.77,-64.06 -64.77,-64.06 -64.76899999999999,-64.06 -64.768,-64.06 -64.767,-64.06 -64.766,-64.06 -64.765,-64.06 -64.764,-64.06 -64.763,-64.06 -64.762,-64.06 -64.76100000000001,-64.06 -64.76))"], "date_created": "Thu, 22 Jun 2023 00:00:00 GMT", "description": "", "east": -64.04, "geometry": ["POINT(-64.05000000000001 -64.765)"], "keywords": "Antarctica; Palmer Station", "locations": "Palmer Station; Antarctica", "north": -64.76, "nsf_funding_programs": "Antarctic Organisms and Ecosystems", "persons": "Amsler, Charles", "project_titles": "Assemblage-wide effects of ocean acidification and ocean warming on ecologically important macroalgal-associated crustaceans in Antarctica", "projects": [{"proj_uid": "p0010193", "repository": "USAP-DC", "title": "Assemblage-wide effects of ocean acidification and ocean warming on ecologically important macroalgal-associated crustaceans in Antarctica"}], "repo": "USAP-DC", "repositories": "USAP-DC", "science_programs": null, "south": -64.77, "title": "2023 daily seawater carbonate chemistry", "uid": "601701", "west": -64.06}, {"awards": "1848887 McClintock, James", "bounds_geometry": ["POLYGON((-64.06 -64.76,-64.058 -64.76,-64.056 -64.76,-64.054 -64.76,-64.052 -64.76,-64.05000000000001 -64.76,-64.048 -64.76,-64.046 -64.76,-64.04400000000001 -64.76,-64.042 -64.76,-64.04 -64.76,-64.04 -64.76100000000001,-64.04 -64.762,-64.04 -64.763,-64.04 -64.764,-64.04 -64.765,-64.04 -64.766,-64.04 -64.767,-64.04 -64.768,-64.04 -64.76899999999999,-64.04 -64.77,-64.042 -64.77,-64.04400000000001 -64.77,-64.046 -64.77,-64.048 -64.77,-64.05000000000001 -64.77,-64.052 -64.77,-64.054 -64.77,-64.056 -64.77,-64.058 -64.77,-64.06 -64.77,-64.06 -64.76899999999999,-64.06 -64.768,-64.06 -64.767,-64.06 -64.766,-64.06 -64.765,-64.06 -64.764,-64.06 -64.763,-64.06 -64.762,-64.06 -64.76100000000001,-64.06 -64.76))"], "date_created": "Thu, 22 Jun 2023 00:00:00 GMT", "description": "Results of daily monitoring of carbonate chemistry parameters in experimental containers (buckets).", "east": -64.04, "geometry": ["POINT(-64.05000000000001 -64.765)"], "keywords": "Antarctica; Palmer Station", "locations": "Palmer Station; Antarctica", "north": -64.76, "nsf_funding_programs": "Antarctic Organisms and Ecosystems", "persons": "Amsler, Charles", "project_titles": "Assemblage-wide effects of ocean acidification and ocean warming on ecologically important macroalgal-associated crustaceans in Antarctica", "projects": [{"proj_uid": "p0010193", "repository": "USAP-DC", "title": "Assemblage-wide effects of ocean acidification and ocean warming on ecologically important macroalgal-associated crustaceans in Antarctica"}], "repo": "USAP-DC", "repositories": "USAP-DC", "science_programs": null, "south": -64.77, "title": "2020 daily seawater carbonate chemistry", "uid": "601700", "west": -64.06}, {"awards": "1848887 McClintock, James", "bounds_geometry": ["POLYGON((-64.06 -64.76,-64.059 -64.76,-64.058 -64.76,-64.057 -64.76,-64.056 -64.76,-64.055 -64.76,-64.054 -64.76,-64.053 -64.76,-64.05199999999999 -64.76,-64.051 -64.76,-64.05 -64.76,-64.05 -64.76100000000001,-64.05 -64.762,-64.05 -64.763,-64.05 -64.764,-64.05 -64.765,-64.05 -64.766,-64.05 -64.767,-64.05 -64.768,-64.05 -64.76899999999999,-64.05 -64.77,-64.051 -64.77,-64.05199999999999 -64.77,-64.053 -64.77,-64.054 -64.77,-64.055 -64.77,-64.056 -64.77,-64.057 -64.77,-64.058 -64.77,-64.059 -64.77,-64.06 -64.77,-64.06 -64.76899999999999,-64.06 -64.768,-64.06 -64.767,-64.06 -64.766,-64.06 -64.765,-64.06 -64.764,-64.06 -64.763,-64.06 -64.762,-64.06 -64.76100000000001,-64.06 -64.76))"], "date_created": "Thu, 22 Jun 2023 00:00:00 GMT", "description": "These data are counts of amphipods that had been maintained under ambient pH (8.0 to 8.1) and experimental pH levels of 7.7 (potential end-of-century ocean acidification conditions) and 7.3 (potential next-century conditions). The amphipods were collected from the brown macroalga Desmarestia menziesii and placed into experimental containers (5-gallon buckets) for 5-6 weeks (experimental period significantly shortened by COVID complications). D. menziesii was also present in the buckets and the density of amphipods on the macroalgae was the same as it was in the field collections. The dataset includes counts of amphipods in the initial conditions and at the end of the experiment from the three pH levels.", "east": -64.05, "geometry": ["POINT(-64.055 -64.765)"], "keywords": "Antarctica; Palmer Station", "locations": "Palmer Station; Antarctica", "north": -64.76, "nsf_funding_programs": "Antarctic Organisms and Ecosystems", "persons": "Amsler, Charles", "project_titles": "Assemblage-wide effects of ocean acidification and ocean warming on ecologically important macroalgal-associated crustaceans in Antarctica", "projects": [{"proj_uid": "p0010193", "repository": "USAP-DC", "title": "Assemblage-wide effects of ocean acidification and ocean warming on ecologically important macroalgal-associated crustaceans in Antarctica"}], "repo": "USAP-DC", "repositories": "USAP-DC", "science_programs": null, "south": -64.77, "title": "Amphipod counts from 2020 ocean acidification experiment", "uid": "601702", "west": -64.06}, {"awards": "1041022 McClintock, James", "bounds_geometry": null, "date_created": "Wed, 13 Mar 2019 00:00:00 GMT", "description": "Response time data for snails escaping from predatory sea stars", "east": null, "geometry": null, "keywords": "Antarctica; Benthos; Biota; Oceans; Snail; Southern Ocean; Visual Observations", "locations": "Southern Ocean; Antarctica", "north": null, "nsf_funding_programs": "Antarctic Organisms and Ecosystems", "persons": "Schram, Julie; Amsler, Charles", "project_titles": "The effects of ocean acidification and rising sea surface temperatures on shallow-water benthic organisms in Antarctica", "projects": [{"proj_uid": "p0000426", "repository": "USAP-DC", "title": "The effects of ocean acidification and rising sea surface temperatures on shallow-water benthic organisms in Antarctica"}], "repo": "USAP-DC", "repositories": "USAP-DC", "science_programs": null, "south": null, "title": "Response time data for snails escaping from predatory sea stars", "uid": "601162", "west": null}, {"awards": "0944201 Hofmann, Gretchen; 1246202 Hofmann, Gretchen", "bounds_geometry": ["POLYGON((163.5281 -77.5715,163.84105 -77.5715,164.154 -77.5715,164.46695 -77.5715,164.7799 -77.5715,165.09285 -77.5715,165.4058 -77.5715,165.71875 -77.5715,166.0317 -77.5715,166.34465 -77.5715,166.6576 -77.5715,166.6576 -77.59928,166.6576 -77.62706,166.6576 -77.65484,166.6576 -77.68262,166.6576 -77.7104,166.6576 -77.73818,166.6576 -77.76596,166.6576 -77.79374,166.6576 -77.82152,166.6576 -77.8493,166.34465 -77.8493,166.0317 -77.8493,165.71875 -77.8493,165.4058 -77.8493,165.09285 -77.8493,164.7799 -77.8493,164.46695 -77.8493,164.154 -77.8493,163.84105 -77.8493,163.5281 -77.8493,163.5281 -77.82152,163.5281 -77.79374,163.5281 -77.76596,163.5281 -77.73818,163.5281 -77.7104,163.5281 -77.68262,163.5281 -77.65484,163.5281 -77.62706,163.5281 -77.59928,163.5281 -77.5715))"], "date_created": "Wed, 05 Dec 2018 00:00:00 GMT", "description": "This dataset consists of measurements made of pH (total scale) and temperature at various sites in McMurdo Sound, Antarctica with autonomous DuraFET\u00ae - based pH sensors. Sensors logged every 4 hours and ran until batteries were exhausted. Sensors were calibrated with water samples following best practices from Dickson et al (2007). Details of select years from this dataset are provided in Kapsenberg et al(2015). ", "east": 166.6576, "geometry": ["POINT(165.09285 -77.7104)"], "keywords": "Antarctica; McMurdo Sound; Mcmurdo Station; Mooring; Oceans; Ocean Temperature; PH; Physical Oceanography; Ross Sea; Sea Surface Temperature; Seawater Measurements; Southern Ocean; Temperature", "locations": "McMurdo Sound; Ross Sea; Antarctica; Southern Ocean", "north": -77.5715, "nsf_funding_programs": "Antarctic Organisms and Ecosystems; Antarctic Organisms and Ecosystems", "persons": "Hoshijima, Umihiko; Hofmann, Gretchen; Kapsenberg, Lydia", "project_titles": "Ocean Acidification Seascape: Linking Natural Variability and Anthropogenic changes in pH and Temperature to Performance in Calcifying Antarctic Marine Invertebrates", "projects": [{"proj_uid": "p0000390", "repository": "USAP-DC", "title": "Ocean Acidification Seascape: Linking Natural Variability and Anthropogenic changes in pH and Temperature to Performance in Calcifying Antarctic Marine Invertebrates"}], "repo": "USAP-DC", "repositories": "USAP-DC", "science_programs": null, "south": -77.8493, "title": "Nearshore pH, temperature, (salinity, depth) at mooring sites in McMurdo Sound, Antarctica, Overwinter 2011-2016", "uid": "601141", "west": 163.5281}, {"awards": "1246296 Yen, Jeannette", "bounds_geometry": ["POLYGON((-180 -60,-144 -60,-108 -60,-72 -60,-36 -60,0 -60,36 -60,72 -60,108 -60,144 -60,180 -60,180 -63,180 -66,180 -69,180 -72,180 -75,180 -78,180 -81,180 -84,180 -87,180 -90,144 -90,108 -90,72 -90,36 -90,0 -90,-36 -90,-72 -90,-108 -90,-144 -90,-180 -90,-180 -87,-180 -84,-180 -81,-180 -78,-180 -75,-180 -72,-180 -69,-180 -66,-180 -63,-180 -60))"], "date_created": "Thu, 26 Jul 2018 00:00:00 GMT", "description": "A portable tomographic particle image velocimetry (tomographic PIV) system is described. The system was successfully deployed in Antarctica to study shelled Antarctic pteropods (Limacina helicina antarctica) \u2013 a delicate organism with an unusual propulsion mechanism. The experimental setup consists of a free-standing frame assembled with optical rails, thus avoiding the need for heavy and bulky equipment (e.g. an optical table). The cameras, lasers, optics, and tanks are all rigidly supported within the frame assembly. The results indicate that the pteropods flap their parapodia (or \u201cwings\u201d) downward during both power and recovery strokes, which is facilitated by the pitching of their shell. Shell pitching significantly alters the flapping trajectory, allowing the pteropod to move vertically and/or horizontally. The pronation and supination of the parapodia, together with the figure eight motion during flapping, suggest similarities with insect flight. The volumetric velocity field surrounding the freely-swimming pteropod reveals the generation of an attached vortex ring connecting the leading edge vortex to the trailing edge vortex during power stroke, and a presence of a leading-edge vortex during recovery stroke. These vortex structures play a major role in accelerating the organism vertically and indicate that forces generated on the parapodia during flapping constitute both lift and drag. After completing each stroke, two vortex rings are shed into the wake of the pteropod. The complex combination of body kinematics (parapodia flapping, shell pitch, saw-tooth trajectory), flow structures, and resulting force balance may be significantly altered by thinning of the pteropod shell, thus making pteropods an indicator of the detrimental effects of ocean acidification.", "east": 180.0, "geometry": ["POINT(0 -89.999)"], "keywords": "Antarctica; Biota; Glaciology", "locations": "Antarctica", "north": -60.0, "nsf_funding_programs": "Antarctic Organisms and Ecosystems; Antarctic Organisms and Ecosystems", "persons": "Adhikari, Deepak; Webster, Donald R; Yen, Jeannette", "project_titles": "Collaborative Research: Pteropod Swimming Behavior as a Bio Assay for Ocean Acidification", "projects": [{"proj_uid": "p0000139", "repository": "USAP-DC", "title": "Collaborative Research: Pteropod Swimming Behavior as a Bio Assay for Ocean Acidification"}], "repo": "USAP-DC", "repositories": "USAP-DC", "science_programs": null, "south": -90.0, "title": "Tomographic PIV measurements of swimming shelled Antarctic pteropod", "uid": "601108", "west": -180.0}, {"awards": "1041022 McClintock, James", "bounds_geometry": ["POLYGON((-64.5 -64.5,-64.45 -64.5,-64.4 -64.5,-64.35 -64.5,-64.3 -64.5,-64.25 -64.5,-64.2 -64.5,-64.15 -64.5,-64.1 -64.5,-64.05 -64.5,-64 -64.5,-64 -64.54,-64 -64.58,-64 -64.62,-64 -64.66,-64 -64.7,-64 -64.74,-64 -64.78,-64 -64.82,-64 -64.86,-64 -64.9,-64.05 -64.9,-64.1 -64.9,-64.15 -64.9,-64.2 -64.9,-64.25 -64.9,-64.3 -64.9,-64.35 -64.9,-64.4 -64.9,-64.45 -64.9,-64.5 -64.9,-64.5 -64.86,-64.5 -64.82,-64.5 -64.78,-64.5 -64.74,-64.5 -64.7,-64.5 -64.66,-64.5 -64.62,-64.5 -64.58,-64.5 -64.54,-64.5 -64.5))"], "date_created": "Fri, 20 Oct 2017 00:00:00 GMT", "description": "", "east": -64.0, "geometry": ["POINT(-64.25 -64.7)"], "keywords": "Antarctica; Antarctic Peninsula; Biota; Chemistry:fluid; Chemistry:Fluid; Sample/collection Description; Sample/Collection Description; Southern Ocean", "locations": "Antarctic Peninsula; Southern Ocean; Antarctica", "north": -64.5, "nsf_funding_programs": "Antarctic Organisms and Ecosystems", "persons": "Amsler, Charles; Schram, Julie", "project_titles": "The effects of ocean acidification and rising sea surface temperatures on shallow-water benthic organisms in Antarctica", "projects": [{"proj_uid": "p0000426", "repository": "USAP-DC", "title": "The effects of ocean acidification and rising sea surface temperatures on shallow-water benthic organisms in Antarctica"}], "repo": "USAP-DC", "repositories": "USAP-DC", "science_programs": null, "south": -64.9, "title": "Data from Schram et al. 2017 MEPS", "uid": "601062", "west": -64.5}, {"awards": "1246317 Mittal, Rajat", "bounds_geometry": null, "date_created": "Wed, 27 Sep 2017 00:00:00 GMT", "description": "Spongiobranchaea australis is a gymnosome pteropod that is abundant in the Southern Ocean. Videos of specimens of S. Australis collected near Palmer Station in April 2014, were used to develop computational fluid dynamics models and simulations of swimming hydrodynamics conducted. The deposited movie shows the computed vortex structures for a swimming S. Australis.", "east": null, "geometry": null, "keywords": "Biota; Fish; Southern Ocean", "locations": "Southern Ocean", "north": null, "nsf_funding_programs": "Antarctic Organisms and Ecosystems", "persons": "Mittal, Rajat", "project_titles": "Collaborative Research: Pteropod Swimming Behavior as a Bio Assay for Ocean Acidification", "projects": [{"proj_uid": "p0000139", "repository": "USAP-DC", "title": "Collaborative Research: Pteropod Swimming Behavior as a Bio Assay for Ocean Acidification"}], "repo": "USAP-DC", "repositories": "USAP-DC", "science_programs": null, "south": null, "title": "Hydrodynamics of Spongiobranchaea australis", "uid": "601058", "west": null}, {"awards": "1142122 Miller, Nathan", "bounds_geometry": ["POLYGON((166.5 -77.5,166.55 -77.5,166.6 -77.5,166.65 -77.5,166.7 -77.5,166.75 -77.5,166.8 -77.5,166.85 -77.5,166.9 -77.5,166.95 -77.5,167 -77.5,167 -77.55,167 -77.6,167 -77.65,167 -77.7,167 -77.75,167 -77.8,167 -77.85,167 -77.9,167 -77.95,167 -78,166.95 -78,166.9 -78,166.85 -78,166.8 -78,166.75 -78,166.7 -78,166.65 -78,166.6 -78,166.55 -78,166.5 -78,166.5 -77.95,166.5 -77.9,166.5 -77.85,166.5 -77.8,166.5 -77.75,166.5 -77.7,166.5 -77.65,166.5 -77.6,166.5 -77.55,166.5 -77.5))"], "date_created": "Mon, 07 Aug 2017 00:00:00 GMT", "description": "This dataset includes data from the publication Flynn and Todgham 2017 - Thermal windows and metabolic performance curves in a developing Antarctic fish. Included are data on embryo survival, development, and metabolic rate.", "east": 167.0, "geometry": ["POINT(166.75 -77.75)"], "keywords": "Antarctica; Biota; Fish; McMurdo Sound; Oceans; Ross Sea; Sample/collection Description; Sample/Collection Description; Southern Ocean", "locations": "McMurdo Sound; Ross Sea; Southern Ocean; Antarctica", "north": -77.5, "nsf_funding_programs": "Antarctic Organisms and Ecosystems", "persons": "Todgham, Anne; Miller, Nathan", "project_titles": "RUI: Synergistic effects of Ocean Acidification and Warming on Larval Development in Antarctic Fishes", "projects": [{"proj_uid": "p0000411", "repository": "USAP-DC", "title": "RUI: Synergistic effects of Ocean Acidification and Warming on Larval Development in Antarctic Fishes"}], "repo": "USAP-DC", "repositories": "USAP-DC", "science_programs": null, "south": -78.0, "title": "Thermal windows and metabolic performance curves in a developing Antarctic fish", "uid": "601040", "west": 166.5}, {"awards": "1142122 Miller, Nathan", "bounds_geometry": ["POLYGON((166 -77.5,166.1 -77.5,166.2 -77.5,166.3 -77.5,166.4 -77.5,166.5 -77.5,166.6 -77.5,166.7 -77.5,166.8 -77.5,166.9 -77.5,167 -77.5,167 -77.55,167 -77.6,167 -77.65,167 -77.7,167 -77.75,167 -77.8,167 -77.85,167 -77.9,167 -77.95,167 -78,166.9 -78,166.8 -78,166.7 -78,166.6 -78,166.5 -78,166.4 -78,166.3 -78,166.2 -78,166.1 -78,166 -78,166 -77.95,166 -77.9,166 -77.85,166 -77.8,166 -77.75,166 -77.7,166 -77.65,166 -77.6,166 -77.55,166 -77.5))"], "date_created": "Mon, 07 Aug 2017 00:00:00 GMT", "description": "This dataset includes data from the publication Davis et al - Antarctic emerald rockcod have the capacity to compensate for warming when uncoupled from CO2-acidification. Included are data on cardiorespiratory physiology, survival, metabolic rate, metabolic enzyme activity, behavior (scototaxis \u0026 activity) and seawater chemistry.", "east": 167.0, "geometry": ["POINT(166.5 -77.75)"], "keywords": "Antarctica; Biota; Chemistry:fluid; Chemistry:Fluid; CTD Data; Fish; McMurdo Sound; Ocean Acidification; Oceans; Physical Oceanography; Ross Sea; Southern Ocean", "locations": "McMurdo Sound; Ross Sea; Southern Ocean; Antarctica", "north": -77.5, "nsf_funding_programs": "Antarctic Organisms and Ecosystems", "persons": "Todgham, Anne; Miller, Nathan", "project_titles": "RUI: Synergistic effects of Ocean Acidification and Warming on Larval Development in Antarctic Fishes", "projects": [{"proj_uid": "p0000411", "repository": "USAP-DC", "title": "RUI: Synergistic effects of Ocean Acidification and Warming on Larval Development in Antarctic Fishes"}], "repo": "USAP-DC", "repositories": "USAP-DC", "science_programs": null, "south": -78.0, "title": "Antarctic emerald rockcod have the capacity to compensate for warming when uncoupled from CO2-acidification", "uid": "601039", "west": 166.0}, {"awards": "1142122 Miller, Nathan", "bounds_geometry": ["POLYGON((166.163 -76.665,166.2635 -76.665,166.364 -76.665,166.4645 -76.665,166.565 -76.665,166.6655 -76.665,166.766 -76.665,166.8665 -76.665,166.967 -76.665,167.0675 -76.665,167.168 -76.665,167.168 -76.782,167.168 -76.899,167.168 -77.016,167.168 -77.133,167.168 -77.25,167.168 -77.367,167.168 -77.484,167.168 -77.601,167.168 -77.718,167.168 -77.835,167.0675 -77.835,166.967 -77.835,166.8665 -77.835,166.766 -77.835,166.6655 -77.835,166.565 -77.835,166.4645 -77.835,166.364 -77.835,166.2635 -77.835,166.163 -77.835,166.163 -77.718,166.163 -77.601,166.163 -77.484,166.163 -77.367,166.163 -77.25,166.163 -77.133,166.163 -77.016,166.163 -76.899,166.163 -76.782,166.163 -76.665))"], "date_created": "Thu, 01 Jun 2017 00:00:00 GMT", "description": "This dataset includes data from the publication \"Flynn, et al. (2015) - Ocean acidification exerts negative effects under warming conditions in a developing Antarctic fish\". Included are data on embryo survival, development, metabolic rate, metabolic enzyme activity (citrate synthase), whole embryo osmolality and seawater chemistry.", "east": 167.168, "geometry": ["POINT(166.6655 -77.25)"], "keywords": "Antarctica; Biota; Chemistry:fluid; Chemistry:Fluid; CTD Data; Fish; McMurdo Sound; Ocean Acidification; Oceans; Physical Oceanography; Ross Sea; Southern Ocean", "locations": "McMurdo Sound; Ross Sea; Southern Ocean; Antarctica", "north": -76.665, "nsf_funding_programs": null, "persons": "Miller, Nathan; Todgham, Anne; Davis, Brittany; Flynn, Erin", "project_titles": "RUI: Synergistic effects of Ocean Acidification and Warming on Larval Development in Antarctic Fishes", "projects": [{"proj_uid": "p0000411", "repository": "USAP-DC", "title": "RUI: Synergistic effects of Ocean Acidification and Warming on Larval Development in Antarctic Fishes"}], "repo": "USAP-DC", "repositories": "USAP-DC", "science_programs": null, "south": -77.835, "title": "Physiological and biochemical measurements on Antarctic dragonfish (Gymnodraco acuticeps) from McMurdo Sound", "uid": "601026", "west": 166.163}, {"awards": "1142122 Miller, Nathan", "bounds_geometry": ["POLYGON((166.163 -76.665,166.2635 -76.665,166.364 -76.665,166.4645 -76.665,166.565 -76.665,166.6655 -76.665,166.766 -76.665,166.8665 -76.665,166.967 -76.665,167.0675 -76.665,167.168 -76.665,167.168 -76.782,167.168 -76.899,167.168 -77.016,167.168 -77.133,167.168 -77.25,167.168 -77.367,167.168 -77.484,167.168 -77.601,167.168 -77.718,167.168 -77.835,167.0675 -77.835,166.967 -77.835,166.8665 -77.835,166.766 -77.835,166.6655 -77.835,166.565 -77.835,166.4645 -77.835,166.364 -77.835,166.2635 -77.835,166.163 -77.835,166.163 -77.718,166.163 -77.601,166.163 -77.484,166.163 -77.367,166.163 -77.25,166.163 -77.133,166.163 -77.016,166.163 -76.899,166.163 -76.782,166.163 -76.665))"], "date_created": "Sat, 20 May 2017 00:00:00 GMT", "description": "This dataset includes data from the publication \"Davis, et al. (2016) - Juvenile Antarctic rockcod (Trematomus bernacchii) are physiologically robust to CO2-acidified seawater\". Included are data on cardiorespiratory physiology, survival, metabolic rate, metabolic enzyme activity (citrate synthase) and seawater chemistry.", "east": 167.168, "geometry": ["POINT(166.6655 -77.25)"], "keywords": "Antarctica; Biota; Fish; McMurdo Sound; Oceans; Ross Sea; Southern Ocean", "locations": "McMurdo Sound; Ross Sea; Southern Ocean; Antarctica", "north": -76.665, "nsf_funding_programs": null, "persons": "Miller, Nathan; Todgham, Anne; Davis, Brittany; Flynn, Erin", "project_titles": "RUI: Synergistic effects of Ocean Acidification and Warming on Larval Development in Antarctic Fishes", "projects": [{"proj_uid": "p0000411", "repository": "USAP-DC", "title": "RUI: Synergistic effects of Ocean Acidification and Warming on Larval Development in Antarctic Fishes"}], "repo": "USAP-DC", "repositories": "USAP-DC", "science_programs": null, "south": -77.835, "title": "Physiological and biochemical measurements on juvenile Antarctic rockcod (Trematomus bernacchii) from McMurdo Sound", "uid": "601025", "west": 166.163}, {"awards": "1141877 Aronson, Richard", "bounds_geometry": null, "date_created": "Tue, 10 Jan 2017 00:00:00 GMT", "description": "Elevated temperatures and ocean acidification are both threatening the Southern Ocean. The effects of these environmental changes are poorly understood, but preliminary data suggest that they are driving a biological invasion. Specifically, large populations of skeleton-crushing king crabs, Paralomis birsteini, have been detected off Marguerite Bay on the West Antarctic Peninsula. These crabs appear to be invading the continental shelf region where benthic communities have evolved in the absence of such top-predators. Thus, this invasion could result in a wholesale restructuring of the Antarctic benthic ecosystem. The proposed work seeks to document this invasion and better understand the effects of the introduction of P. birsteini on the ecology of this region. A towed underwater vehicle will be used to photographically image communities, and communities with and without P. birsteini will be compared quantitatively. Additionally, crabs will trapped and various aspects of their morphology and physiology will be assessed. This research is unique in that it will document a biological invasion in real-time and it will therefore enhance our general understandings of the drivers of invasion and resilience in biological communities. Results will be widely disseminated through publications as well as through presentations at national and international meetings. In addition, raw data will be made available through open-access databases. This project will support the research and training of undergraduate and graduate students and will foster an international collaboration with British scientists. Researchers on this project will participate in outreach thorough the development of K-12 curricular materials.", "east": null, "geometry": null, "keywords": "Antarctica; Antarctic Peninsula; Anvers Island; Benthos; Biota; Camera Tow; LMG1502; Marguerite Bay; NBP1002; NBP1310; Oceans; Photo/video; Photo/Video; Sample/collection Description; Sample/Collection Description; Southern Ocean", "locations": "Antarctic Peninsula; Anvers Island; Marguerite Bay; Southern Ocean; Antarctica", "north": null, "nsf_funding_programs": null, "persons": "Aronson, Richard", "project_titles": "Collaborative Research: Climate Change and Predatory Invasion of the Antarctic Benthos", "projects": [{"proj_uid": "p0000303", "repository": "USAP-DC", "title": "Collaborative Research: Climate Change and Predatory Invasion of the Antarctic Benthos"}], "repo": "USAP-DC", "repositories": "USAP-DC", "science_programs": null, "south": null, "title": "Climate Change and Predatory Invasion of the Antarctic Benthos", "uid": "600385", "west": null}, {"awards": "1141877 Aronson, Richard", "bounds_geometry": ["POLYGON((-111.18 -49.98,-105.429 -49.98,-99.678 -49.98,-93.927 -49.98,-88.176 -49.98,-82.425 -49.98,-76.674 -49.98,-70.923 -49.98,-65.172 -49.98,-59.421 -49.98,-53.67 -49.98,-53.67 -52.826,-53.67 -55.672,-53.67 -58.518,-53.67 -61.364,-53.67 -64.21,-53.67 -67.056,-53.67 -69.902,-53.67 -72.748,-53.67 -75.594,-53.67 -78.44,-59.421 -78.44,-65.172 -78.44,-70.923 -78.44,-76.674 -78.44,-82.425 -78.44,-88.176 -78.44,-93.927 -78.44,-99.678 -78.44,-105.429 -78.44,-111.18 -78.44,-111.18 -75.594,-111.18 -72.748,-111.18 -69.902,-111.18 -67.056,-111.18 -64.21,-111.18 -61.364,-111.18 -58.518,-111.18 -55.672,-111.18 -52.826,-111.18 -49.98))"], "date_created": "Fri, 01 Jan 2016 00:00:00 GMT", "description": "Elevated temperatures and ocean acidification are both threatening the Southern Ocean. The effects of these environmental changes are poorly understood, but preliminary data suggest that they are driving a biological invasion. Specifically, large populations of skeleton-crushing king crabs, Paralomis birsteini, have been detected off Marguerite Bay on the West Antarctic Peninsula. These crabs appear to be invading the continental shelf region where benthic communities have evolved in the absence of such top-predators. Thus, this invasion could result in a wholesale restructuring of the Antarctic benthic ecosystem. The proposed work seeks to document this invasion and better understand the effects of the introduction of P. birsteini on the ecology of this region. A towed underwater vehicle will be used to photographically image communities, and communities with and without P. birsteini will be compared quantitatively. Additionally, crabs will trapped and various aspects of their morphology and physiology will be assessed. This research is unique in that it will document a biological invasion in real-time and it will therefore enhance our general understandings of the drivers of invasion and resilience in biological communities. Results will be widely disseminated through publications as well as through presentations at national and international meetings. In addition, raw data will be made available through open-access databases. This project will support the research and training of undergraduate and graduate students and will foster an international collaboration with British scientists. Researchers on this project will participate in outreach thorough the development of K-12 curricular materials.", "east": -53.67, "geometry": ["POINT(-82.425 -64.21)"], "keywords": "Antarctica; Antarctic Peninsula; Anvers Island; Benthos; Biota; Camera Tow; LMG1502; Marguerite Bay; NBP1002; NBP1310; Oceans; Photo/video; Photo/Video; Sample/collection Description; Sample/Collection Description; Southern Ocean", "locations": "Antarctic Peninsula; Anvers Island; Marguerite Bay; Southern Ocean; Antarctica", "north": -49.98, "nsf_funding_programs": null, "persons": "Aronson, Richard", "project_titles": "Collaborative Research: Climate Change and Predatory Invasion of the Antarctic Benthos", "projects": [{"proj_uid": "p0000303", "repository": "USAP-DC", "title": "Collaborative Research: Climate Change and Predatory Invasion of the Antarctic Benthos"}], "repo": "USAP-DC", "repositories": "USAP-DC", "science_programs": null, "south": -78.44, "title": "Climate Change and Predatory Invasion of the Antarctic Benthos", "uid": "600171", "west": -111.18}, {"awards": "1041022 McClintock, James", "bounds_geometry": ["POLYGON((-79 -60,-76.4 -60,-73.8 -60,-71.2 -60,-68.6 -60,-66 -60,-63.4 -60,-60.8 -60,-58.2 -60,-55.6 -60,-53 -60,-53 -61,-53 -62,-53 -63,-53 -64,-53 -65,-53 -66,-53 -67,-53 -68,-53 -69,-53 -70,-55.6 -70,-58.2 -70,-60.8 -70,-63.4 -70,-66 -70,-68.6 -70,-71.2 -70,-73.8 -70,-76.4 -70,-79 -70,-79 -69,-79 -68,-79 -67,-79 -66,-79 -65,-79 -64,-79 -63,-79 -62,-79 -61,-79 -60))"], "date_created": "Thu, 01 Jan 2015 00:00:00 GMT", "description": "The research will investigate the individual and combined effects of rising ocean acidification and sea surface temperatures on shallow-water calcified benthic organisms in western Antarctic Peninsular (WAP) marine communities. The Southern Ocean is predicted to become undersaturated in terms of both aragonite and calcite within 50 and 100 years, respectively, challenging calcification processes. Adding to the problem, antarctic calcified benthic marine organisms are more vulnerable to ocean acidification than temperate and tropical species because they are generally weakly calcified. Many antarctic organisms are essentially stenothermal, and those in the West Antarctic Peninsula are being subjected to rising seawater temperatures. The project employs both single-species and multi-species level approaches to evaluating the impacts of rising ocean acidification and seawater temperature on representative calcified and non-calcified macroalgae, on calcified and non-calcified mesograzers, and on a calcified macro-grazer, all of which are important ecological players in the rich benthic communities. Multi-species analysis will focus on the diverse assemblage of amphipods and mesogastropods that are associated with dominant macroalgae that collectively play a key role in community dynamics along the WAP. The project will support undergraduate research, both through NSF programs, as well as home university-based programs, some designed to enhance the representation of minorities in the sciences. The principal investigators also will support and foster graduate education through mentoring of graduate students. Through their highly successful UAB IN ANTARCTICA interactive web program, they will continue to involve large numbers of teachers, K-12 students, and other members of the community at large in their scientific endeavors in Antarctica.", "east": -53.0, "geometry": ["POINT(-66 -65)"], "keywords": "Antarctic Peninsula; Biota; Oceans; Southern Ocean", "locations": "Antarctic Peninsula; Southern Ocean", "north": -60.0, "nsf_funding_programs": null, "persons": "McClintock, James; Amsler, Charles; Angus, Robert", "project_titles": "The effects of ocean acidification and rising sea surface temperatures on shallow-water benthic organisms in Antarctica", "projects": [{"proj_uid": "p0000426", "repository": "USAP-DC", "title": "The effects of ocean acidification and rising sea surface temperatures on shallow-water benthic organisms in Antarctica"}], "repo": "USAP-DC", "repositories": "USAP-DC", "science_programs": null, "south": -70.0, "title": "The effects of ocean acidification and rising sea surface temperatures on shallow-water benthic organisms in Antarctica", "uid": "600122", "west": -79.0}, {"awards": "0944201 Hofmann, Gretchen", "bounds_geometry": ["POLYGON((-160 -68,-159 -68,-158 -68,-157 -68,-156 -68,-155 -68,-154 -68,-153 -68,-152 -68,-151 -68,-150 -68,-150 -69,-150 -70,-150 -71,-150 -72,-150 -73,-150 -74,-150 -75,-150 -76,-150 -77,-150 -78,-151 -78,-152 -78,-153 -78,-154 -78,-155 -78,-156 -78,-157 -78,-158 -78,-159 -78,-160 -78,-160 -77,-160 -76,-160 -75,-160 -74,-160 -73,-160 -72,-160 -71,-160 -70,-160 -69,-160 -68))"], "date_created": "Wed, 01 Jan 2014 00:00:00 GMT", "description": "This research examines the effects of ocean acidification on embryos and larvae of a contemporary calcifier in the coastal waters of Antarctica, the sea urchin Sterechinus neumayeri. The effect of future ocean acidification is projected to be particularly threatening to calcifying marine organisms in coldwater, high latitude seas, making tolerance data on these organisms a critical research need in Antarctic marine ecosystems. Due to a high magnesium (Mg) content of their calcitic hard parts, echinoderms are especially vulnerable to dissolution stress from ocean acidification because they currently inhabit seawater that is barely at the saturation level to support biogenic calcification. Thus, cold-water, high latitude species with a high Mg-content in their hard parts are considered to be the \u0027first responders\u0027 to chemical changes in the surface oceans. Studies in this proposal will use several metrics to examine the physiological plasticity of contemporary urchin embryos and larvae to CO2-acidified seawater, to mimic the scenarios defined by IPCC models and by analyses of future acidification predicted for the Southern Ocean. The research also will investigats the biological consequences of synergistic interactions of two converging climate change-related stressors - CO2- driven ocean acidification and ocean warming. Specifically the research will (1) assess the effect of CO2-acidified seawater on the development of early embryos and larvae, (2) using morphometrics, examine changes in the larval endoskeleton in response to development under the high-CO2 conditions of ocean acidification, (3) using a DNA microarray, profile changes in gene expression for genes involved in biomineralization and other important physiological processes, and (4) measure costs and physiological consequences of development under conditions of ocean acidification. The proposal will support the training of undergraduates, graduate students and a postdoctoral fellow. The PI also will collaborate with the UC Santa Barbara Gevirtz Graduate School of Education to link the biological effects of ocean acidification to the chemical changes expected for the Southern Ocean using the \u0027Science on a Sphere\u0027 technology. This display will be housed in an education and public outreach center, the Outreach Center for Teaching Ocean Science (OCTOS), a new state-of-the-art facility under construction at UC Santa Barbara.\n", "east": -150.0, "geometry": ["POINT(-155 -73)"], "keywords": "Antarctica; Biota; Oceans; Southern Ocean", "locations": "Antarctica; Southern Ocean", "north": -68.0, "nsf_funding_programs": null, "persons": "Hofmann, Gretchen", "project_titles": "Effect of Ocean Acidification on Early Life History Stages of the Antarctic Sea Urchins Sterechinus Neumayeri", "projects": [{"proj_uid": "p0000352", "repository": "USAP-DC", "title": "Effect of Ocean Acidification on Early Life History Stages of the Antarctic Sea Urchins Sterechinus Neumayeri"}], "repo": "USAP-DC", "repositories": "USAP-DC", "science_programs": null, "south": -78.0, "title": "Effect of Ocean Acidification on Early Life History Stages of the Antarctic Sea Urchins Sterechinus Neumayeri", "uid": "600112", "west": -160.0}, {"awards": "0808947 Hofmann, Gretchen", "bounds_geometry": ["POLYGON((-160 -70,-159 -70,-158 -70,-157 -70,-156 -70,-155 -70,-154 -70,-153 -70,-152 -70,-151 -70,-150 -70,-150 -70.7,-150 -71.4,-150 -72.1,-150 -72.8,-150 -73.5,-150 -74.2,-150 -74.9,-150 -75.6,-150 -76.3,-150 -77,-151 -77,-152 -77,-153 -77,-154 -77,-155 -77,-156 -77,-157 -77,-158 -77,-159 -77,-160 -77,-160 -76.3,-160 -75.6,-160 -74.9,-160 -74.2,-160 -73.5,-160 -72.8,-160 -72.1,-160 -71.4,-160 -70.7,-160 -70))"], "date_created": "Fri, 01 Jan 2010 00:00:00 GMT", "description": "This Small Grant for Exploratory Research (SGER) will support the rapid acquisition of DNA sequence for the Antarctic pteropod Limacina helicina, a resource that would allow the development of a cDNA microarray to profile gene expression in this critical marine invertebrate in response to ocean acidification. This request would facilitate the collaboration of the PI (Hofmann), a marine molecular ecologist, with co-PI, Prof. Victoria Fabry, an expert in pteropod calcification biology, and a leader in the ocean acidification research community. Finally, the resources developed here would be shared with the polar research community and all DNA sequence data and protocols would be available via web databases. Notably, the genomic tool developed here would most likely be useful for pteropods from Antarctic and Arctic waters. The broader impacts of this project would be the development of genomic tools for a critical Antarctic marine invertebrate that is threatened by ocean acidification. In addition, these resources would be shared with the polar biology research community.", "east": -150.0, "geometry": ["POINT(-155 -73.5)"], "keywords": "Biota; Genomics; Oceans; Southern Ocean", "locations": "Southern Ocean", "north": -70.0, "nsf_funding_programs": null, "persons": "Fabry, Victoria; Hofmann, Gretchen", "project_titles": "Science of Opportunity: A SGER proposal to support the development of genomic resources for Antarctic pteropods", "projects": [{"proj_uid": "p0000213", "repository": "USAP-DC", "title": "Science of Opportunity: A SGER proposal to support the development of genomic resources for Antarctic pteropods"}], "repo": "USAP-DC", "repositories": "USAP-DC", "science_programs": null, "south": -77.0, "title": "Science of Opportunity: A SGER proposal to support the development of genomic resources for Antarctic pteropods", "uid": "600088", "west": -160.0}]

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