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griddap | Subset | tabledap | Make A Graph | wms | files | Accessible | Title | Summary | FGDC | ISO 19115 | Info | Background Info | RSS | Institution | Dataset ID | |
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https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_963425_v1 | https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_963425_v1.graph | https://erddap.bco-dmo.org/erddap/files/bcodmo_dataset_963425_v1/ | public | [Larval morphometrics Strongylocentrotus purpuratus under ocean warming and food availability scenarios] - Larval morphometrics of Strongylocentrotus purpuratus under ocean warming and food availability scenarios (Collaborative Research: The effects of marine heatwaves on reproduction, larval transport and recruitment in sea urchin metapopulations) | Trends in survival, morphometric patterns, and time to metamorphic competency across temperature and food availability treatments were measured in S. purpuratus larvae. \n\nLarvae were spawned from adult purple urchins collected in Santa Barbara, CA. Effects of temperature and food availability were tested using a 6 x 4 factorial experimental design with six temperature treatments (10, 12, 14, 16, 18, 20°C) and four concentrations of Rhodomonas sp. microalgae (500, 2500, 5000, 10,000 cells mL-1) for a total of 24 treatment combinations. Food treatments represented algal concentrations from starvation to ad libitum conditions. Temperature and food treatments were based on historical observations of temperature trends and chlorophyll abundance. Larval samples were collected 4, 9, and 15 days post-fertilization and fixed in 10% PBS buffered formalin for morphometric analyses. \n\nSamples were collected before feeding to minimize influence of algae on stomach measurements. Fixed larvae were then photographed using an Olympus BX41 compound microscope with a Nikon 3400 DSLR camera at 4X magnification and postoral arm length, body length, stomach length and height were measured in 20 randomly selected larvae from each sample using ImageJ software (Schneider et al. 2012). Metamorphic competency was determined when >50% of larvae exhibited tube feet and adhered to the bottle.\n\ncdm_data_type = Other\nVARIABLES:\ndpf (days)\ntemp (degrees Celsius)\nfood (cells per mL)\nrep (unitless)\nindividual (unitless)\nPOA1 (µm)\nPOA2 (µm)\nBL (µm)\nSW (µm)\nSH (µm)\nPOA (µm)\nSA (µm2)\n | https://erddap.bco-dmo.org/erddap/info/bcodmo_dataset_963425_v1/index.htmlTable | https://osprey.bco-dmo.org/dataset/963425![]() | https://erddap.bco-dmo.org/erddap/rss/bcodmo_dataset_963425_v1.rss | https://erddap.bco-dmo.org/erddap/subscriptions/add.html?datasetID=bcodmo_dataset_963425_v1&showErrors=false&email= | BCO-DMO | bcodmo_dataset_963425_v1 | |||||
https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_963422_v1 | https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_963422_v1.graph | https://erddap.bco-dmo.org/erddap/files/bcodmo_dataset_963422_v1/ | public | [Larval Survival-Purple urchin] - Survival of larval Strongylocentrotus purpuratus under ocean warming and food availability scenarios (Collaborative Research: The effects of marine heatwaves on reproduction, larval transport and recruitment in sea urchin metapopulations) | We tested how thermal tolerance itself can be fundamentally altered by food limitation hypothesis by quantifying how temperature and food concentrations interact synergistically to shape survival throughout larval development of purple urchins (Strongylocentrotus purpuratus). Larval sampling was conducted every two days to estimate changes in larval density and competency, in conjunction with water changes and feedings. Larval densities were quantified by concentrating larval cultures to 100 mL and counting the number of larvae found in five 1 mL subsamples. Density counts continued until larvae showed signs of metamorphosis, as determined by the presence of a rudiment and exposed tube feet.\n\ncdm_data_type = Other\nVARIABLES:\ndate (unitless)\ntemp (degrees Celsius)\nfood (cells per mL)\nrep (unitless)\ncount (unitless)\ncount_value (unitless)\navg_count (unitless)\nvolume (mL)\navg_bottle (unitless)\nsample_day (days)\ndpf (days)\n | https://erddap.bco-dmo.org/erddap/info/bcodmo_dataset_963422_v1/index.htmlTable | https://osprey.bco-dmo.org/dataset/963422![]() | https://erddap.bco-dmo.org/erddap/rss/bcodmo_dataset_963422_v1.rss | https://erddap.bco-dmo.org/erddap/subscriptions/add.html?datasetID=bcodmo_dataset_963422_v1&showErrors=false&email= | BCO-DMO | bcodmo_dataset_963422_v1 | |||||
https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_740414.subset | https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_740414 | https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_740414.graph | https://erddap.bco-dmo.org/erddap/files/bcodmo_dataset_740414/ | public | [Settling response of sand dollar D.excentricus to turbulence (BMC Zoology)] - Experimental results of turbulence-exposed sand dollar Dendraster excentricus larvae and their response to a variety of settlement cues (Turbulence-spurred settlement: Deciphering a newly recognized class of larval response) | Experimental results of turbulence-exposed sand dollar Dendraster excentricus larvae and their response to a variety of settlement cues.\n\ncdm_data_type = Other\nVARIABLES:\nfigure (unitless)\ncompetence (unitless)\ndate_expt (unitless)\nspecies (unitless)\nrpm (rotations per minute)\nreplicate (unitless)\ndpf (days)\ncue (unitless)\nnumber_larvae (larvae)\nnumber_settled (larvae)\nnumber_settled_0hr (larvae)\nnumber_settled_1hr (larvae)\nnumber_settled_16hr (larvae)\nnumber_on_bottom (larvae)\nnumber_settled_1_5hr (larvae)\nnumber_settled_8hr (larvae)\nnumber_settled_18hr (larvae)\n | https://erddap.bco-dmo.org/erddap/info/bcodmo_dataset_740414/index.htmlTable | https://www.bco-dmo.org/dataset/740414![]() | https://erddap.bco-dmo.org/erddap/rss/bcodmo_dataset_740414.rss | https://erddap.bco-dmo.org/erddap/subscriptions/add.html?datasetID=bcodmo_dataset_740414&showErrors=false&email= | BCO-DMO | bcodmo_dataset_740414 |