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log in [2023 Bottom Temperature Data] - Water temperature data from temperature loggers attached to larval settlement collectors placed on the seafloor in the Gulf of Maine from from June to September 2023 (Lobster Thermal Thresholds project) (RUI: Collaborative Research: Linking physiological thermal thresholds to the distribution of lobster settlers and juveniles) We used the American lobster (Homarus americanus lsid:marinespecies.org:taxname:156134) in the Gulf of Maine as a model system to define thermal tolerance in larvae and establish mechanistic linkages between thermal tolerance of the individual larva and the patterns of settlement in the field. We assessed and compared the thermal tolerances of larvae in the laboratory and to link to patterns in the field we measured larval settlement as a function of depth (and therefore temperatures) and deployed caged larvae at different depths (and therefore temperatures).  This dataset reports the bottom temperature data from temperature loggers attached to larval settlement collectors placed on the bottom from early June to late September in 2023.  Collectors were deployed in coastal waters in the vicinity of Boothbay Harbor, Maine, USA at depths ranging from 7 to 77 meters. Bigelow Laboratory for Ocean Sciences were the base for field operations which were led by Eric Annis and Douglas Rasher.\n\ncdm_data_type = Other\nVARIABLES:\ntime (Iso_datetime_utc, seconds since 1970-01-01T00:00:00Z)\nCh1_Temperature (degrees C)\nCollector_ID (unitless)\nTemperature_Logger_ID (unitless)\nlatitude (degrees_north)\nlongitude (degrees_east)\nDatetime_deployed_UTC (unitless)\nDate_Retrieved_UTC (unitless)\ndepth (m)\nSource_File (unitless)\n BCO-DMO bcodmo_dataset_939856_v1
https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_776552 https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_776552.graph https://erddap.bco-dmo.org/erddap/files/bcodmo_dataset_776552/ public [ETNP Iodine Speciation] - Iodine speciation measurements aboard R/V Roger Revelle and R/V Falkor in April and June 2018, respectively. (The role of cryptic nutrient cycling within sinking particles on trace element transport in oxygen minimum zones) Iodine speciation measurements aboard R/V Roger Revelle and R/V Falkor in April and June 2018, respectively.\n\ncdm_data_type = Other\nVARIABLES:\ncruise_id (unitless)\nBottle (unitless)\nStation (unitless)\ndepth (m)\nIodate (nanoMolar)\nIodide (nanoMolar)\nTotal_Iodine (nanoMolar)\nExcess_Iodine (nanoMolar)\nlongitude (degrees_east)\nlatitude (degrees_north)\nDate (unitless)\nTime_UTC (unitless)\nsource_file (unitless)\ntime (ISO Date Time UTC, seconds since 1970-01-01T00:00:00Z)\n https://erddap.bco-dmo.org/erddap/metadata/fgdc/xml/bcodmo_dataset_776552_fgdc.xml https://erddap.bco-dmo.org/erddap/info/bcodmo_dataset_776552/index.htmlTable https://www.bco-dmo.org/dataset/776552 (external link) https://erddap.bco-dmo.org/erddap/rss/bcodmo_dataset_776552.rss https://erddap.bco-dmo.org/erddap/subscriptions/add.html?datasetID=bcodmo_dataset_776552&showErrors=false&email= BCO-DMO bcodmo_dataset_776552
log in [Lobster Larvae Growth and Mortality Data] - Growth and mortality of lobster larvae at different temperatures for lobster larvae from Gulf of Maine near Boothbay Maine from 2021 and 2022 (Lobster Thermal Thresholds project) (RUI: Collaborative Research: Linking physiological thermal thresholds to the distribution of lobster settlers and juveniles) We used the American lobster (Homarus americanus lsid:marinespecies.org:taxname:156134) in the Gulf of Maine as a model system to define thermal tolerance in larvae and establish mechanistic linkages between thermal tolerance of the individual larva and the patterns of settlement in the field.  We assessed and compared the thermal tolerances of larvae reared in the laboratory using conventional methods with larvae captured in the wild, and examined ontogenetic changes in thermal tolerance.  The upper and lower thermal thresholds larval stages I-IV and the first juvenile stage were defined in part by growth and mortality when subjected to chronic exposure to different treatment temperatures until they either molted to the next developmental stage or died.  This data set includes individuals dying, the size after molting and the amount of time elapsed between the start of the treatment and either molting or death.  These data were collected between 2021-2022 at Bigelow Laboratory for Ocean Sciences, led by Eric Annis.\n\ncdm_data_type = Other\nVARIABLES:\nLARVA_ID (unitless)\nTREATMENT_TEMPERATURE (degrees C)\nDIET (unitless)\nREARING_CONDITION (unitless)\nREARING_TEMPERATURE (degrees C)\nDEVELOPMENTAL_STAGE (unitless)\nINDIVIDUAL_LARVA_NUMBER (unitless)\nHATCH_OR_CAPTURE_DATE (unitless)\nTRANSFER_DATE (unitless)\nMOLT_DATE (unitless)\nTIME_UNTIL_MOLT (unitless)\nDEATH_DATE (unitless)\nTIME_UNTIL_DEATH (days)\nCARAPACE_LENGTH (millimeters (mm_)\nDRY_WEIGHT (grams (g))\nNOTES (unitless)\nSource_File (unitless)\n BCO-DMO bcodmo_dataset_939825_v1

 
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