19:I[42426,["/_next/static/immutable/chunks/1xctgzqre-wsy.js","/_next/static/immutable/chunks/06_-wz6pdtp2b.js","/_next/static/immutable/chunks/30e52g49hg40p.js","/_next/static/immutable/chunks/02yq6tul2z-oh.js","/_next/static/immutable/chunks/10bx_ec2vj7n_.js","/_next/static/immutable/chunks/33bfn03fo8xnt.js","/_next/static/immutable/chunks/0tfjf78scu61b.js","/_next/static/immutable/chunks/31xnvej4n1bi9.js"],"default"] 1a:T4bc,Small and large capacity vacuum pump samplers. May have single or multiple chambers. Slurp Samplers (from https://ndsf.whoi.edu/alvin/systems/) The slurp samplers consist of a collection chamber and a hydraulically powered water pump. A nozzle with a tube connected to it is held and moved by a manipulator while water is pulled into the nozzle by the pump. The water travels down the tube into the collection chamber, and then goes through a mesh screen before going through the pump itself. Biological samples are sucked into the nozzle and deposited in the collection chamber. They are kept from going into the pump by the mesh screen. The screen can be changed for coarser or finer mesh as needed. Two styles of collection chamber are available; single chamber and 5-chamber. Single chamber: a large cylindrical single collection chamber into which all samples will be deposited. Water weight 2 lbs, 27 lbs full of water. 5-chamber: five separate cylindrical collection chambers of 4.5 inch ID x 11.5 inch height. One chamber is used at a time and the chambers are rotated by a hydraulic actuator mounted to the bottom of the 5-chamber assembly. Water weight 10 lbs, 140 lbs full of water.1b:Tb0c,This project will evaluate connectivity on spatial scales that match those at which vent systems are being studied (3500 km), with a set of nested seeps (within the Barbados system) within which connectivity can be explored at more local spatial scales (30 to 130 km), and with species that span depth (600 m to 3600 m) and geographic ranges (30 km to 3500 km) and that have diverse life-history characteristics. Five deep-sea seep systems in the Intra- American Sea (IAS) are targeted: Blake Ridge, Florida Escarpment, Alaminos Canyon, Brine Pool, Barbados (El Pilar, Orenoque A, Orenoque B). The primary objective is to advance our general knowledge of connectivity in the deep sea. The focus is on species and processes occurring in the IAS, with attention to oceanographic circulation, life histories, and genetics. Questions that apply in shallow-water systems motivate this study: 1. What phylogeographic breaks occur in the system? It is important to distinguish between phylogeographic history and connectivity. A phylogeographic break with no shared alleles between populations implies a long history of isolation or possibly cryptic speciation. 2. Are populations connected by ongoing migration? This is the fundamental question about connectivity and the scale of genetic variation in marine species with planktonic larvae. 3. What biophysical processes underlie observed connectivities? Biological processes (e.g., larval distributions in the water column, timing of reproduction, and planktonic larval duration) and physical processes of transport and dispersion interact to determine connectivity. The oceanographic model for the IAS will be improved and coupled to a Lagrangian larval transport model. The field program includes time-series sampling of larvae at seeps with records of current velocities, water column sampling to determine larval distribution potential, shipboard studies of larval biology and behavior, and sampling of benthic target species. Phylogenetic and population genetic tools will be used to explore historical and contemporary gene flow. Iterative interactions among the science teams will advance our understanding of connectivity in the deep sea and to develop effective and best methods for hypothesis testing under the constraints of working in a relatively inaccessible environment. Since their discovery, deep-sea chemosynthetic ecosystems have been novel systems within which to test the generality of paradigms developed for shallow-water species. This study will explore scale-dependent biodiversity and recruitment dynamics in deep-sea seep communities, and will identify key factors underlying population persistence and maintenance of biodiversity in these patchy systems. Google Earth map showing positions of stations, CTD, XBT, multibeam locations (KMZ file dlownload)6:["$","$L19",null,{"dataset":{"_id":"615488","description":"

\n","problem":"","acquisition":"

Sampling was performed by HOV Alvin in the Gulf of Mexico and Florida Escarpment area using the following methods:
\n- Grab - using the claw of either port or starboard manipulator to pick up the sample
\n- Push core - used to collect sediment core samples, or invertebrates residing in the sediment
\n- Slurp - use of a vacuum system to collect sample from the seafloor or water column

\n","processing":"

BCO-DMO Processing:

- added conventional header with dataset name, PI name, version date, reference information
\n- renamed parameters to BCO-DMO standard
\n- replaced blank cells with nd or 0 (flags)
\n- replaced commas with ; and removed / in sampling_method
\n- replaced blanks with underscores; removed trailing blanks
\n- replaced '?' with 'maybe'
\n- replaced '<' with lt_; replaced '>' with 'gt_'
\n- sorted by taxon, genus, species, dive_id, sample_id

\n","bcodmoProcessing":"","title":"Specimen log from Alvin dives collected from the R/V Atlantis (Alvin AT26-15) cruise in the Gulf of Mexico and Florida Escarpment during May and June 2014 (SEEPC project)","nickname":"AT26-15: sample log - GoM-FL","dataUrl":"","currentState":"Final no updates expected","currentStateId":"7","validated":true,"restricted":false,"version":"","version_date":"2016-05-10T04:00:00.000Z","abstract":"","citation":"Van Dover, C. (2016) Specimen log from Alvin dives collected from the R/V Atlantis (Alvin AT26-15) cruise in the Gulf of Mexico and Florida Escarpment during May and June 2014 (SEEPC project). Biological and Chemical Oceanography Data Management Office (BCO-DMO). Version Date 2016-05-10 [if applicable, indicate subset used]. http://lod.bco-dmo.org/id/dataset/615488 [access date]","citationParts":{"identifier":"http://lod.bco-dmo.org/id/dataset/615488","versionDate":"2016-05-10","versionId":"","year":"2016","title":"Specimen log from Alvin dives collected from the R/V Atlantis (Alvin AT26-15) cruise in the Gulf of Mexico and Florida Escarpment during May and June 2014 (SEEPC project)","authors":"Van Dover, C.","publisher":"Biological and Chemical Oceanography Data Management Office (BCO-DMO)."},"doi":"","release_date":null,"field_dataset_location":"","temporal_extent":{"start":null,"end":null},"temporal":{"resolution":"","type":"","start":{"value":"","label":""},"end":{"value":"","label":""}},"spatial_extent":{"shape":"","center":{"latitude":0,"longitude":0},"wkt":"","north":0,"east":0,"south":0,"west":0},"dataset_type":["Cruise Results"],"keywords":["biota","oceans"],"data_files":[{"id":"900694","title":"AT2615_sample_log.csv","url":"https://datadocs.bco-dmo.org/dataset/615488/file/WWW1E28cWg0x9/AT2615_sample_log.csv","showTableUrl":"https://www.bco-dmo.org/dataset/615488/data/view/900694","description":"Primary data file for dataset ID 615488","filename":"AT2615_sample_log.csv","bytesize":457352,"checksum":{"value":"35fa053ceded34595dd356b8beb6ce35","Algorithm":{"_id":"190","name":"MD5"}},"mimetype":"text/csv","fileType":{"_id":"192","name":"Comma Separated Values (.csv)"},"isErddap":"","date":"","isPublicDuringEmbargo":false,"primaryDataFile":true,"showTable":true,"restricted":false}],"supplemental_files":[],"roles":[{"role":{"_id":"138","name":"Principal Investigator"},"performedBy":{"_id":"51693","name":"Cindy Van Dover"},"performedAtOrganization":{"_id":"60","name":"Duke University"}},{"role":{"_id":"145","name":"BCO-DMO Data Manager"},"performedBy":{"_id":"50396","name":"Nancy Copley"},"performedAtOrganization":{"_id":"191","name":"Woods Hole Oceanographic Institution"}}],"deployments":[{"_id":"517377","name":"AT26-15","synonyms":["SEEPC GoMex"],"dates":{"start":"2014-05-21T00:00:00.000Z","end":"2014-06-14T00:00:00.000Z"},"platform":{"_id":"54003","name":"R/V Atlantis"},"chiefScientists":[{"id":"51693","name":"Cindy Van Dover","role":"Chief Scientist"}]},{"_id":"615110","name":"AT26-15_Alvin_Dives","synonyms":["SEEP GoM"],"dates":{"start":"2014-05-22T00:00:00.000Z","end":"2014-06-14T00:00:00.000Z"},"platform":{"_id":"54226","name":"HOV Alvin"},"chiefScientists":[{"id":"51693","name":"Cindy Van Dover","role":"Chief Scientist"}]}],"funding":[{"_id":"55187","name":"OCE-1031050","fundingSource":{"_id":"355","name":"NSF Division of Ocean Sciences"},"url":"https://www.nsf.gov/awardsearch/show-award?AWD_ID=1031050"}],"instruments":[{"_id":"644817","name":"","description":"","type_id":"641","type_name":"Alvin tube core","type_desc":"A plastic tube, about 40 cm (16 inches) long, is pushed into the sediment by Alvin's manipulator arm to collect a sediment core.","type_acronym":"Tube Core"},{"_id":"644823","name":"","description":"","type_id":"644821","type_name":"HOV Alvin Slurp Samplers","type_desc":"$1a","type_acronym":""}],"parameters":[{"_id":"615498","name":"taxon_1","format":"","frictionlessType":"","description":"

higher taxonomic group

","units":{"_id":"","name":"unitless"},"type":{"_id":"994","name":"taxon","description":"

taxonomic group or entity. This may be a family, class, genus, species, etc.; usually this parameter will contain a mixture of taxonomic entities.

"}},{"_id":"615499","name":"taxon_2","format":"","frictionlessType":"","description":"

genus; or if unknown then the common name or closest taxonomic unit

","units":{"_id":"","name":"unitless"},"type":{"_id":"994","name":"taxon","description":"

taxonomic group or entity. This may be a family, class, genus, species, etc.; usually this parameter will contain a mixture of taxonomic entities.

"}},{"_id":"615500","name":"species","format":"","frictionlessType":"","description":"

species; or if unknown then morphotype ID/note

","units":{"_id":"","name":"unitless"},"type":{"_id":"976","name":"species","description":"

a taxonomic binomial that consists of a genus name followed by the species name of an organism

"}},{"_id":"615501","name":"dive_id","format":"","frictionlessType":"","description":"

unique ID for each HOV Jason dive

","units":{"_id":"","name":"unitless"},"type":{"_id":"1734","name":"dive_id","description":"

Unique dive id or number for ROV, AUV or HOV type system dive or deployment

"}},{"_id":"615502","name":"specimen","format":"","frictionlessType":"","description":"

unique ID assigned to each specimen taken during the cruise (an individual or bulk/group)

","units":{"_id":"","name":"unitless"},"type":{"_id":"960","name":"sample","description":"

unique sample identification or number; any combination of alpha numeric characters; precise definition is file dependent

"}},{"_id":"615503","name":"container","format":"","frictionlessType":"","description":"

unique ID assigned to each sample container; may contain an entire specimen or a subsample of a specimen

","units":{"_id":"","name":"unitless"},"type":{"_id":"960","name":"sample","description":"

unique sample identification or number; any combination of alpha numeric characters; precise definition is file dependent

"}},{"_id":"615505","name":"voucher_flag","format":"","frictionlessType":"","description":"

x indicates that the container contains voucher material

","units":{"_id":"","name":"unitless"},"type":{"_id":"1730","name":"flag","description":"

Data flag. Multiple uses which are dataset dependent. Some uses: data quality, collection occurrence or success, depth indicator. See dataset documentation for specific details

"}},{"_id":"615506","name":"tissue","format":"","frictionlessType":"","description":"

indicates sources of specimen material/tissue placed in the container

","units":{"_id":"","name":"unitless"},"type":{"_id":"1742","name":"sample_type","description":"

text description of type of sample collected (rock, bio, fluid, etc)

"}},{"_id":"615507","name":"fixative","format":"","frictionlessType":"","description":"

material or method used to initially stabilize material in the container prior to ethanol preservation. The exception is frozen material which does not get transferred to ethanol

","units":{"_id":"","name":"unitless"},"type":{"_id":"1073","name":"no_bcodmo_term","description":"

An association with a community-wide standard parameter has not yet been made.

"}},{"_id":"615508","name":"photo_flag","format":"","frictionlessType":"","description":"

x indicates that a photo of the specimen was taken prior to fixation

","units":{"_id":"","name":"unitless"},"type":{"_id":"1730","name":"flag","description":"

Data flag. Multiple uses which are dataset dependent. Some uses: data quality, collection occurrence or success, depth indicator. See dataset documentation for specific details

"}},{"_id":"615509","name":"comments","format":"","frictionlessType":"","description":"

free text comments

","units":{"_id":"","name":"unitless"},"type":{"_id":"778","name":"comment","description":"

free text comments, may only have meaning to submitting PI

"}}],"related_publications":[],"related_datasets":[],"services":[{"grouping":"","items":[{"name":"View Data","description":"An in-browser view of the primary tabular data file","url":"https://www.bco-dmo.org/dataset/615488/data/view","contentType":"text/html","actionType":"view"}]},{"grouping":"Metadata","items":[{"name":"HTML","description":"A simple HTML page of the dataset metadata","url":"https://www.bco-dmo.org/dataset/615488/description","contentType":"text/html","actionType":"view"},{"name":"PDF","description":"A PDF of the HTML dataset metadata","url":"https://www.bco-dmo.org/dataset/615488/Dataset_description.pdf","contentType":"application/pdf","actionType":"download"},{"name":"ISO 19115-2 (NOAA Profile)","description":"","url":"https://www.bco-dmo.org/dataset/615488/iso","contentType":"application/xml","actionType":"download"}]}],"programs":[],"projects":[{"_id":"2270","name":"Connectivity in western Atlantic seep populations: Oceanographic and life-history processes underlying genetic structure","acronym":"SEEPC","description":"$1b"}],"archives":[],"license":{"name":"Creative Commons Attribution 4.0","id":"CC-BY-4.0","uri":"https://creativecommons.org/licenses/by/4.0/","spdxUri":"https://spdx.org/licenses/CC-BY-4.0"},"metrics":{"views":{"count":64},"downloads":{"count":345}}}}]