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SPECIES IDENTIFICATION - LIFE STAGE, TAXONOMIC CODE, SPECIES IDENTIFICATION - SEX and species abundance pump cast data collected in the North Atlantic Ocean on the EDWIN LINK, OCEANUS and SEWARD JOHNSON cruises EL9904, EL9905 and others as part of the GB

Shrnutí

Co poskytovatel nabízí?
ongoing release of a series of related datasets

Databázová licence
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Licence na obsah
Creative Commons CCZero

Způsob ověření
ověřený automaticky

Datum vydání
27 September 2015
Datum poslední změny
27 September 2015
Četnost aktualizací
asNeeded
Vydavatel
National Oceanic and Atmospheric Administration, Department of Commerce
Název
SPECIES IDENTIFICATION - LIFE STAGE, TAXONOMIC CODE, SPECIES IDENTIFICATION - SEX and species abundance pump cast data collected in the North Atlantic Ocean on the EDWIN LINK, OCEANUS and SEWARD JOHNSON cruises EL9904, EL9905 and others as part of the GB project from 1995-06-10 to 1999-05-28 (NODC Accession 0107116)
Identifier
species-identification-life-stage-taxonomic-code-species-identification-sex-and-species-abund
Landing Page
http://catalog.data.gov/dataset/species-identification-life-stage-taxonomic-code-species-identification-sex-and-species-abund
Časové rozpětí
10 June 1995 — 28 May 1999
Language
eng

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Popis

NODC Accession 0107116 includes pump cast and biological data collected aboard the EDWIN LINK, OCEANUS and SEWARD JOHNSON during cruises EL9904, EL9905, OC303 and SJ9508 in the North Atlantic Ocean from 1995-06-10 to 1999-05-28. These data include SPECIES IDENTIFICATION - LIFE STAGE, TAXONOMIC CODE, SPECIES IDENTIFICATION - SEX and species abundance. The instruments used to collect these data include pump sampler. These data were collected by Lewis Incze of University of Southern Maine as part of GB. The Biological and Chemical Oceanography Data Management Office (BCO-DMO) submitted these data to NODC on 2013-04-26. The following is the text of the abstract provided by BCO-DMO: Zooplankton Densities/Abundance Principal Investigator: Lewis S. Incze (lincze@usm.maine.edu) (mailto:lincze@usm.maine.edu) Research Technicians: Ford Dye, Beth Novak, Nicholas Wolff Methods: Using a pumping system appended to the CTD unit, measured water volumes (typically 40 liters) were sampled at descrete depths and filtered through 40 micron mesh prior to sorting. A subsample of the filtered sample was used for the zooplankton counts and identification. The size of the subsample varied and depended on the amount of zooplankton present - subsamples were larger when there were fewer animals. From the subsamples, all zooplankton were counted and identifed. Counts were then converted into number per cubic meter as follows: Number counted / (Subsample size X Amount filtered). It is worth noting that the frequency of repeated densities is an artifact of the small subsample volumes screened in order to process a large number of samples. The small sample volumes did not give us the ability to resolve small differences in abundance at individual species and stages (e.g., Cal fin Nauplius I). At this level of sorting many counts were reported as zeros, ones, twos or threes. These counts are at the threshold for detection, and the results give the false impression of many identical densities (concentrations). This also shows up in gaps in the life histories as well. For example, a single depth/station might have NI and NIII and NIV stages, but not II or V. As a result, samples were often recombined to give the population characteristics of an integrated water column, or a group of samples. The approach worked well for our research objectives and we are well aware of its limitations. A single station and depth in our data can be deceiving and does not tell the whole story. Note: Sampling for cruise EL9904, events EL10999.24 and EL111299.6 are intentional replication sites. All sampling was made at same depth level. These stations were used to test the repeatability of methods. Cruises SJ9508 (Seward Johnson Cruise 9508 to Southwest Georges Bank, 6 - 16 June 1995) OC303 (Oceanus Cruise 303 to Georges Bank, 6 - 23 May 1997) EL9904 (Edwin Link Cruise 9904 to Georges Bank, 14 - 28 April 1999) EL9905 (Edwin Link Cruise 9905 to Georges Bank, 10 - 29 May 1999) Any questions, contact: Lewis S. Incze University of Southern Maine P.O. Box 9300 96 Falmouth Street Portland, ME 04104-9300 Voice: 207 228 8070 Fax: 207 228 8057 Email: (lincze@usm.maine.edu) (mailto:lincze@usm.maine.edu) updated: 23 November 2004; gfh

Obecné informace

Právní informace

Tuto datovou sadu vytvořila vláda Spojených států, což znamená, že je považována za veřejné dílo. Americké autorské právo ale přiznává otevřený přístup pouze americkým občanům, takže předpokládáme, že pro zbytek světa jsou data v souladu s americkou politikou otevřených dat licencována pod CC Zero.

  • Právní prohlášení

    http://catalog.data.gov/dataset/species-identification-life-stage-taxonomic-code-species-identification-sex-and-species-abund Do you think this data is incorrect? Let us know

  • Under which licence can people outside the US reuse this data?

    Creative Commons CCZero Do you think this data is incorrect? Let us know

  • Obsah chráněný autorským právem

    yes, and the rights are all held by the same person or organisation Do you think this data is incorrect? Let us know

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    Creative Commons CCZero Do you think this data is incorrect? Let us know

  • Ochrana soukromí

    nehraje roli, data se netýkají fyzických osob Do you think this data is incorrect? Let us know

Praktické informace

  • Relevantní datové katalogy

    http://catalog.data.gov/organization/noaa-gov Do you think this data is incorrect? Let us know

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    data jsou zálohována offsite Do you think this data is incorrect? Let us know

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  • Kontakty

    http://catalog.data.gov/dataset/species-identification-life-stage-taxonomic-code-species-identification-sex-and-species-abund Do you think this data is incorrect? Let us know

  • Zpětná vazba k publikovaným datovým sadám

    http://www.data.gov/issue/?media_url=http://catalog.data.gov/dataset/species-identification-life-stage-taxonomic-code-species-identification-sex-and-species-abund Do you think this data is incorrect? Let us know

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