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OBIS-SEAMAP Dataset - VIMS Chesapeake Bay Multispecies Monitoring and Assessment Program

VIMS Chesapeake Bay Multispecies Monitoring and Assessment Program
Debra Gauthier, Virginia Institute of Marine Science

Summary of download requests

Number of users / requestsUsersRequests
195516
Types requested AllPartial All or partial?: When all records of this dataset were downloaded, it is flagged as "All".
Otherwise, it is flagged as "Partial".
A partial download happens when a user specifies particular species / areas / dates of interest.
6510
Years 2026202520242023
10121399103
Formats requested Types requested  
csv239
shapefile100
kml125
wms0
wfs2
gdb50
Gridded summary Type 1a (dist_taxa)44
Gridded summary Type 1b (dist_taxa_h3)3
Gridded summary Type 2a (dist_sp)222
Gridded summary Type 2b (dist_sp_h3)24
diversity indexes (diversity)1
Observations based on criteria (points)35
All observations of species (whole_species)185
All observations in dataset (whole_dataset)2
  • Gridded summary Type 1 (dist_taxa): Sightings of all species are aggregated at 1/0.1/0.01 degree resolution. Users gets the number of species and records per grid cell.
    a: Rectangular grids; b: Hexagonal grids
  • Gridded summary Type 2 (dist_sp): Sightings of each species are aggregated at 1/0.1/0.01 degree resolution. Users gets the number of records of the species in question per grid cell.
    a: Rectangular grids; b: Hexagonal grids
  • All or partial?: When all records of this dataset were downloaded, it is flagged as "All". Otherwise, it is flagged as "Partial". A partial download happens when a user specifies particular species / areas / dates of interest.

Download request details

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No.Date requestedTypes requestedFormat#recordsAlong with...Species includedRequest ID
5012023-02-25whole_datasetgdb183List of datasetsList of species63fa7cd50ef19_20230225_163220
5022023-02-25dist_spshapefile169List of datasetsList of species63fa7cd50ef19_20230225_163224
5032023-02-23whole_speciesgdb6List of datasetsList of species63f778bd11415_20230223_093640
5042023-02-21dist_spshapefile6List of datasetsList of species63f51fb8b3177_20230221_145335
5052023-02-08dist_spshapefile6List of datasetsList of species63e39b1067c88_20230208_075912
5062023-02-08dist_spshapefile6List of datasetsList of species63e39b1067c88_20230208_091004
5072023-02-07dist_spcsv6List of datasetsList of species63e26944e767d_20230207_101256
5082023-02-05whole_specieskml6List of datasetsList of species63e01b6f3fc7a_20230205_163841
5092023-02-05whole_speciescsv6List of datasetsList of species63e01b6f3fc7a_20230205_163823
5102023-02-03dist_spshapefile6List of datasetsList of species63dcd2a656fea_20230203_042537
5112023-02-03whole_specieskml6List of datasetsList of species63dccb233471d_20230203_040456
5122023-02-02dist_spshapefile6List of datasetsList of species63db9ac7c05aa_20230202_061810
5132023-01-30whole_speciescsv6List of datasetsList of species63d7ab0f3305e_20230130_070305
5142023-01-30whole_speciescsv6List of datasetsList of species63d7ab0f3305e_20230130_070308
5152023-01-24whole_speciesgdb6List of datasetsList of species63cfada3dba39_20230124_051040
5162023-01-23whole_speciescsv6List of datasetsList of species63ceb1f00db9b_20230123_112516
List of datasets

Notes

  • The summary of the download requests may not be accurate as the download functionality of the OBIS-SEAMAP mapping tools have been advancing and it is hard to put together old download requests with newer ones.
  • The number of users may be overcounted or undercounted as we didn't collect the information of user identification in early years of OBIS-SEAMAP and the IP addresses are used as a proxy to user identity for old requests.
  • Other issues that may result in inaccuracy is:
    • a user may try downloading data with slightly different criteria for the same project/purpose.
    • a user may download data a couple of times over time to include the latest observations.
    • a user may download data with more coarse criteria and then filter the downloaded data more for specific needs (e.g. download global sightings of a species and then filter them with a study area).
    • a user may download data just for a test purpose.
    • For KML format, a user may visualize the data using Google Earth but did not use them for his/her scientific work.
  • The data type of "diversity indexes" was added in July 2016.
  • Although we have started collecting details of a request (i.e. user's name, prospectus) since Nov 2013, we do not disclose the details unless the user gives us consent. If you want to know more details on the request, please contact us with the Request ID ready. We will try connecting you with the user in question.