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This product includes the seasonal abundance or displacement volume (ml) per cubic meter (log-transformed) of 6 groups of zooplankton species for four seasons in two time periods (2003-2009 & 2010-2021).
The zooplankton data were collected by NOAA Northeast Fisheries Science Center (NOAA Northeast Fisheries Science Center 2019) and obtained from the National Centers for Environmental Information (NCEI) at
https://www.ncei.noaa.gov/access/metadata/landing-page/bin/iso?id=gov.noaa.nodc:0187513
This dataset covers offshore waters from North Carolina to northern Maine, and from the coast line until the 1600 meter bathymetry line. The spatial resolution of this layer is 2600 meters (0.03374 degrees).
The abundance raster was generated using the methods described by Marta Ribera at the Nature Conservancy (Ribera 2016a, Ribera 2016b, Ribera 2016c, Ribera 2016d).
Reference
NOAA Northeast Fisheries Science Center (2019). Zooplankton and ichthyoplankton abundance and distribution in the North Atlantic collected by the Ecosystem Monitoring (EcoMon) Project from 1977-02-13 to 2021-11-15 (NCEI Accession 0187513). NOAA National Centers for Environmental Information. Dataset. https://www.ncei.noaa.gov/archive/accession/0187513. Accessed on 2024-08-26.
Ribera, M (2016a). Abundance Calanus finmarchicus 1995 - 2014. The Nature Conservancy. https://easterndivision.s3.amazonaws.com/Marine/MooreGrant/CalanusfinmarchicusAbundance.pdf
Ribera, M (2016b). Abundance Euphausiids 1995 - 2014. The Nature Conservancy. https://easterndivision.s3.amazonaws.com/Marine/MooreGrant/EuphausiidsAbundance.pdf
Ribera, M (2016c). Abundance Gammarid amphipods 1995 – 2014. The Nature Conservancy. https://easterndivision.s3.amazonaws.com/Marine/MooreGrant/GammaridamphipodsAbundance.pdf
Ribera, M (2016d). Abundance Mysid shrimp 1995 – 2014. The Nature Conservancy. https://easterndivision.s3.amazonaws.com/Marine/MooreGrant/MysidshrimpAbundance.pdf
The number of records by season and time period:
2010-2021
Spring: 1,649
Summer: 1,205
Fall: 1,957
Winter: 539
2003-2009
Spring: 1,100
Summer: 1,124
Fall: 1,445
Winter: 642