1b: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"] 1c:T1b24,Additional information can be found at the TRANSPORT website: http://northweb.hpl.umces.edu/TRANSPORT/home.htm Project description: This coupled field-and-modeling research project is designed to address fundamental, cutting-edge questions that will significantly enhance our understanding of physical-biological interactions in planktonic organisms and quantify how pelagic life stages influence population dynamics. Technological advances in field methodology and numerical modeling will be integrated and applied to investigate and compare how circulation patterns, larval transport, sub-population connectivity, and population dynamics of the Eastern oyster, Crassostrea virginica, respond to environmental variability and habitat alteration. This project will provide information that will significantly enhance the restoration and management of oysters. Physical-biological interactions are an integral part of understanding fish, bivalve, and crustacean early-life history and the processes that affect inter-annual variability in their recruitment to reproducing populations. The combined modeling and field approach builds on existing state-of-the-art models, it applies a new technology that will significantly advance our ability to investigate in-situ bivalve larvae dynamics, and it will generate critical information about the early life of oysters (timing of spawning, larval behavior) that is necessary for enhancing our understanding and prediction of recruitment processes. This research will also advance our understanding of population dynamics of organisms with a pelagic life stages by making quantitative links between larval transport and a full life-cycle model. In doing so, it will provide improved understanding of the inter-relationships between, and relative importance of, larval transport, the connectivity of different reef systems, and adult growth, mortality, and gamete production, and how these relationships are influenced by changes in physical conditions and habitat. Although focused on the oyster, Crassostrea virginica, the ecological studies and comparisons will result in a significant enhancement in our understanding of the interactions between physical conditions and a suite of bivalve species. This program will benefit society by providing new insights and understanding that will enhance fisheries management capabilities. The numerical tools developed will have the resolution appropriate for helping to guide oyster restoration programs, locate optimal sanctuaries (i.e., marine protected areas), and inform spatial management of oyster harvest. Although the quantitative tools and information generated will directly support oyster management and restoration activities of state and federal partners in Chesapeake Bay, the findings and tools developed in this project will be applicable to many other systems where bivalves comprise an important component of commercial and recreational fisheries. A PhD graduate student will be trained in field and numerical modeling research in this coupled field-and-modeling program. In addition to gaining a solid foundation in a cutting-edge field, the student will have the opportunity to develop science communication skills and interact with management agency representatives. Publications Produced as a Result of this Research: Gallego, A., E.W. North and E.D. Houde. 2012. Understanding and quantifying mortality in pelagic, early life stages of marine organisms — Old challenges and new perspectives. Journal of Marine Systems 93: 1-3. Goodwin, J. D., and E.W. North. In prep. Identifying factors that influence the swimming behavior of Crassostrea virginica larvae in Choptank River and calculating their mortality. Goodwin, J. D., E. W. North, and C. M. Thompson. 2014. Evaluating and improving a semi-automated image analysis technique for identifying bivalve larvae. Limnology and Oceanography: Methods 12: 548-562. DOI: 10.4319/lom.2014.12.548 Goodwin, J. D., E. W. North, and V. S. Kennedy. 2016. Identification of eastern oyster Crassostrea virginica larvae using polarized light microscopy in a mesohaline region of Chesapeake Bay. Journal of Shellfish Research 35(1): 157-168. Goodwin, J. D., E. W. North, C. M. Thompson, I. Mitchell and H.M McFadden. In press. Improving a semi-automated classification technique for bivalve larvae: automated image acquisition and measures of quality control. Limnology and Oceanography: Methods. North, E. W., D. M. King, J. Xu, R. R. Hood, R. I. E. Newell, K. T. Paynter, M. L. Kellogg, M. K. Liddel, and D. F. Boesch. 2010. Linking optimization and ecological models in a decision support tool for oyster restoration and management. Ecological Applications 20(3): 851–866. Spires, J. E., E. W. North, and W. Long. In prep. The influence of salinity-induced mortality on larval transport between eastern oyster (Crassostrea virginica) reefs in an oligohaline estuary: model simulations and implications for restoration. Estuaries and Coasts. Thompson, C. M., E. W. North, V. S. Kennedy, and S. N. White. 2015. Classifying bivalve larvae using shell pigments identified by Raman spectra. Analytical and Bioanalytical Chemistry 407:3591-3604, DOI 10.1007/s00216-015-8575-8 Thompson, C.M., E.W. North, S.N. White, and S.M. Gallager. 2014. An analysis of bivalve larval shell pigments using micro-Raman spectroscopy. Journal of Raman Spectroscopy 45(5):349-358 Dissertations and Theses: Goodwin, J. D. 2015. Integrating automated imaging and a novel identification technique to estimate mortality and factors that determine the vertical distribution of Crassostrea virginica larvae. Ph.D. Dissertation. University of Maryland College Park and the University of Maryland Center for Environmental Science. Spires, J. E. The exchange of eastern oyster (Crassostrea virginica) larvae between subpopulations in the Chotpank and Little Choptank Rivers: model simulations, the influence of salinity, and implications for restoration. Master of Science Thesis, University of Maryland College Park and Center for Environmental Science, 79 pp. Books and One-Time Proceedings: Anthony, Z. 2014. Optimal microscope and camera settings for counting and identifying copepods (Acartia tonsa) using a newly developed semi-automated image analysis technology. Undergraduate Research Report. 14 pp. Hinson, K. I., E.W. North, and C.M. Thompson. 2011. New technologies to support shellfish restoration. Research Experience for Undergraduates (REU) final report. Mitchell, I. 2013. Updates in LTRANS v.2b. University of Maryland Center for Environmental Science, Horn Point Laboratory. Cambridge, MD. 2 pp. North, E. W. 2010. Q&A: Elizabeth North. 10/01/2009-09/30/2010, ICES Insight, September 2010, vol. 47, p. 43-44. Schlag, Z. R., and E. W. North. 2012. Lagrangian TRANSport model (LTRANS v.2) User’s Guide. University of Maryland Center for Environmental Science, Horn Point Laboratory. Cambridge, MD. 183 pp.6:["$","$L1b",null,{"dataset":{"_id":"474291","description":"

Consecutive station logs from a series of one-day research cruises on the Choptank River (Chesapeake Bay, USA) during May to September of 2010 to 2012.

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Each cruise took place on the R/V Terrapin, a 26-ft Parker with a 275 mercury outboard equipped with a davit, operated by UMCES. On each cruise, several sampling stations were occupied. A CTD cast was made at each station, and the downcast was used to measure water properties. Using a hose attached to the CTD frame, bivalve larvae were collected from near bottom to the surface by moving the CTD up through the water column in 0.5 m depth intervals at regularly spaced time intervals (e.g., every 20 s or every 60 s) depending upon the depth of the station. The water was pumped into a 55-gallon drum half filled with water (to minimize damage to the samples) and through a 64 μm mesh net to collect bivalve larvae. Water samples were collected for chl-a pigment (using a syringe/filter apparatus) to calibrate the fluorometer and for total suspended solids (using a water bottle provided by Analytical Services).

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Terrapin"},"chiefScientists":[{"id":"474507","name":"Jake Goodwin","role":"Chief Scientist"}]},{"_id":"476030","name":"BT-12-07","synonyms":["2012.07"],"dates":{"start":"2012-06-25T00:00:00.000Z","end":"2012-06-25T00:00:00.000Z"},"platform":{"_id":"474260","name":"R/V Terrapin"},"chiefScientists":[{"id":"474507","name":"Jake Goodwin","role":"Chief Scientist"}]},{"_id":"476055","name":"BT-12-08","synonyms":["2012.08"],"dates":{"start":"2012-07-05T00:00:00.000Z","end":"2012-07-05T00:00:00.000Z"},"platform":{"_id":"474260","name":"R/V Terrapin"},"chiefScientists":[]},{"_id":"476083","name":"BT-12-09","synonyms":["2012.09"],"dates":{"start":"2012-07-09T00:00:00.000Z","end":"2012-07-09T00:00:00.000Z"},"platform":{"_id":"474260","name":"R/V Terrapin"},"chiefScientists":[]},{"_id":"476089","name":"BT-12-10","synonyms":["2012.10"],"dates":{"start":"2012-07-18T00:00:00.000Z","end":"2012-07-18T00:00:00.000Z"},"platform":{"_id":"474260","name":"R/V Terrapin"},"chiefScientists":[{"id":"474507","name":"Jake Goodwin","role":"Chief Scientist"}]},{"_id":"476100","name":"BT-12-11","synonyms":["2012.11"],"dates":{"start":"2012-07-24T00:00:00.000Z","end":"2012-07-24T00:00:00.000Z"},"platform":{"_id":"474260","name":"R/V Terrapin"},"chiefScientists":[{"id":"474507","name":"Jake Goodwin","role":"Chief Scientist"}]},{"_id":"476127","name":"BT-12-12","synonyms":["2012.12"],"dates":{"start":"2012-07-31T00:00:00.000Z","end":"2012-07-31T00:00:00.000Z"},"platform":{"_id":"474260","name":"R/V Terrapin"},"chiefScientists":[]},{"_id":"476155","name":"BT-12-13","synonyms":["2012.13"],"dates":{"start":"2012-08-10T00:00:00.000Z","end":"2012-08-10T00:00:00.000Z"},"platform":{"_id":"474260","name":"R/V Terrapin"},"chiefScientists":[{"id":"474507","name":"Jake Goodwin","role":"Chief Scientist"}]},{"_id":"476159","name":"BT-12-14","synonyms":["2012.14"],"dates":{"start":"2012-08-13T00:00:00.000Z","end":"2012-08-13T00:00:00.000Z"},"platform":{"_id":"474260","name":"R/V Terrapin"},"chiefScientists":[]},{"_id":"476187","name":"BT-12-15","synonyms":["2012.15"],"dates":{"start":"2012-08-15T00:00:00.000Z","end":"2012-08-15T00:00:00.000Z"},"platform":{"_id":"474260","name":"R/V Terrapin"},"chiefScientists":[{"id":"474507","name":"Jake Goodwin","role":"Chief Scientist"}]},{"_id":"476209","name":"BT-12-17","synonyms":["2012.17"],"dates":{"start":"2012-09-27T00:00:00.000Z","end":"2012-09-27T00:00:00.000Z"},"platform":{"_id":"474260","name":"R/V Terrapin"},"chiefScientists":[{"id":"474507","name":"Jake Goodwin","role":"Chief Scientist"}]}],"funding":[{"_id":"473026","name":"OCE-0829512","fundingSource":{"_id":"355","name":"NSF Division of Ocean Sciences"},"url":"https://www.nsf.gov/awardsearch/show-award?AWD_ID=0829512"}],"instruments":[],"parameters":[{"_id":"474296","name":"year","format":"","frictionlessType":"","description":"

4-digit year.

","units":{"_id":"","name":"YYYY"},"type":{"_id":"1062","name":"year","description":"

year, reported as YYYY, e.g. 1995

"}},{"_id":"954549","name":"PDF_link_url","format":"","frictionlessType":"string","description":"

URL

","units":{"_id":"","name":"unitless"},"type":{"_id":"557545","name":"file_link","description":"

Link to file (such as a data file or document).

"}},{"_id":"954550","name":"PDF_link_text","format":"","frictionlessType":"string","description":"

text of the link

","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":"474421","name":"PDF_link","format":"","frictionlessType":"","description":"

Link that opens the PDF file containing the original (scanned) station logs.

","units":{"_id":"","name":"dimensionless"},"type":{"_id":"1836","name":"document_link","description":"

Hyperlink to document

"}},{"_id":"474297","name":"cruise_id","format":"","frictionlessType":"","description":"

Cruise identification number.

","units":{"_id":"","name":"dimensionless"},"type":{"_id":"1102","name":"cruise_id","description":"

cruise designation; name

"}},{"_id":"474298","name":"station","format":"","frictionlessType":"","description":"

Identification number of the sampling station.

","units":{"_id":"","name":"dimensionless"},"type":{"_id":"987","name":"station","description":"

Station identifier; a unique number or alphanumeric string designating a general geographic location at which one or more sampling activities may occur.

"}},{"_id":"474299","name":"month","format":"","frictionlessType":"","description":"

Month (1-12) of year. Local time (EDT).

","units":{"_id":"","name":"dimensionless"},"type":{"_id":"1115","name":"month","description":"

Month of year; numeric 1 to 12.

"}},{"_id":"474300","name":"day","format":"","frictionlessType":"","description":"

Day (1-31) of month. Local time (EDT).

","units":{"_id":"","name":"dimensionless"},"type":{"_id":"1113","name":"day","description":"

day of month; numeric 1 to 31

"}},{"_id":"474301","name":"time_local","format":"","frictionlessType":"","description":"

Local time (EDT) as hours and minutes; 24-hour clock.

","units":{"_id":"","name":"HHMM"},"type":{"_id":"1007","name":"time_local","description":"

time of day, local time, using 2400 clock format

"}},{"_id":"474302","name":"depth","format":"","frictionlessType":"","description":"

Sample depth.

","units":{"_id":"","name":"meters"},"type":{"_id":"808","name":"depth","description":"

Observation/sample depth below the sea surface. Units often reported as: meters, feet.

\nWhen used in a JGOFS/GLOBEC dataset the depth is a best estimate; usually but not always calculated from pressure; calculated either from CTD pressure using Fofonoff and Millard (1982; UNESCO Tech Paper #44) algorithm adjusted for 1980 equation of state for seawater (EOS80) or simply equivalent to nominal depth as recorded during sampling if CTD pressure was unavailable.

"}},{"_id":"474303","name":"lat","format":"","frictionlessType":"","description":"

Latitude of the sampling station.

","units":{"_id":"","name":"decimal degrees"},"type":{"_id":"730","name":"latitude","description":"

latitude, in decimal degrees, North is positive, negative denotes South; Reported in some datasets as degrees, minutes

"}},{"_id":"474304","name":"lon","format":"","frictionlessType":"","description":"

Longitude of the sampling station.

","units":{"_id":"","name":"decimal degrees"},"type":{"_id":"731","name":"longitude","description":"

longitude, in decimal degrees, East is positive, negative denotes West; Reported in some datasets as degrees, minutes

"}},{"_id":"474305","name":"interval","format":"","frictionlessType":"","description":"

B = Bottom; O = Oblique; P = Pycnocline; S = surface.

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

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

"}},{"_id":"474306","name":"interval_range","format":"","frictionlessType":"","description":"

Range of sampling depths.

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

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

"}},{"_id":"474307","name":"pump_duration","format":"","frictionlessType":"","description":"

Duration (in hours and minutes) of pump operation.

","units":{"_id":"","name":"HH:MM"},"type":{"_id":"1838","name":"time_elapsed","description":"

Elapsed time. Units can be seconds, minutes, etc.

"}},{"_id":"474308","name":"vol_filt_pump1","format":"","frictionlessType":"","description":"

Volume filtered pump 1.

","units":{"_id":"","name":"gallons"},"type":{"_id":"1040","name":"vol_filt","description":"

volume of water filtered; in this form generally applies to the volume of water filtered during plankton tows; however; this parameter name is also used for a variety of non plankton sampling and the units can vary, e.g. US JGOFS EqPac Bishop MULVFS sampler vol_filt is reported in liters.

"}},{"_id":"474309","name":"vol_filt_pump2","format":"","frictionlessType":"","description":"

Volume filtered pump 2.

","units":{"_id":"","name":"gallons"},"type":{"_id":"1040","name":"vol_filt","description":"

"}},{"_id":"474310","name":"CTD_num","format":"","frictionlessType":"","description":"

CTD number.

","units":{"_id":"","name":"dimensionless"},"type":{"_id":"761","name":"cast","description":"

cast or profile number

"}},{"_id":"474311","name":"secchi","format":"","frictionlessType":"","description":"

Secchi depth.

","units":{"_id":"","name":"meters"},"type":{"_id":"1953","name":"depth_secchi","description":"

The depth at which a Secchi disk disappears, a measure of water clarity.

"}},{"_id":"490456","name":"ISO_DateTime_Local","format":"","frictionlessType":"","description":"

Date and time (in local EDT time zone) formatted to ISO 8601 standard. T indicates start of time string.

","units":{"_id":"","name":"YYYY-mm-ddTHH:MM:SS.ss"},"type":{"_id":"1909","name":"ISO_DateTime_Local","description":"

Date/Time (Local) ISO formatted
\nThis standard is based on ISO 8601:2004(E) and takes on any of the following forms:
\nYYYY-MM-DDTHH:MM:SS[.xx]
\n2009-08-30T09:05:00[.xx] (local time)
\n2009-08-30T14:05:00[.xx]Z (UTC time)
\n2009-08-30T14:05:00[.xx]-05:00
\nThe dashes and the colons can be dropped.
\nThe T can also be dropped \"by mutual agreement\", but one needs the trailing Z if the time is UTC.

Note the Time Zone (TZ) as +/-HH:MM
\nTime Zone signage is for conversion from local to UTC
\nWest Coast USA in summer is +7 (add 7 hrs to local time for UTC)

"}}],"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/474291/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/474291/description","contentType":"text/html","actionType":"view"},{"name":"PDF","description":"A PDF of the HTML dataset metadata","url":"https://www.bco-dmo.org/dataset/474291/Dataset_description.pdf","contentType":"application/pdf","actionType":"download"},{"name":"ISO 19115-2 (NOAA Profile)","description":"","url":"https://www.bco-dmo.org/dataset/474291/iso","contentType":"application/xml","actionType":"download"}]}],"programs":[],"projects":[{"_id":"473028","name":"Integrating field methods and numerical models to quantify the links between larval transport, connectivity, and population dynamics","acronym":"TRANSPORT","description":"$1c"}],"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":414},"downloads":{"count":476}}},"fileId":"954548"}]