This dataset contains zooplankton and ichthyoplankton distribution and abundance, sea surface and bottom water temperatures and salinities collected during the shelf-wide fisheries surveys for the Ecosystem Monitoring Program (EcoMon) from 1977-02-13 to 2023-11-15. The surveys are conducted 6-7 times per year over the continental shelf from Cape Hatteras, North Carolina to Cape Sable, Nova Scotia, using NOAA research ships or charter vessels. The Cape Hatteras to Cape Sable area is divided into four regions, and 30 randomly selected stations are targeted for sampling from each region. Along with the data collected from each cruise, this archival package also contains the GIS shapefiles that comprise the strata used to randomly select plankton stations in the EcoMon study area. These strata comprise 4 regions: Mid-Atlantic Bight, Southern New England, Georges Bank, and Gulf of Maine and will help the user better understand the sampling methodology. The EcoMon investigation monitors the fishery-relevant components of the Northeast Shelf ecosystem, to characterize the baseline conditions and to determine the effects of biological and physical processes on the recruitment of Northeast shelf fishes. Data from this program have supported numerous analyses documenting the seasonal and interannual variability in the distribution and abundance of the dominant zooplankton taxa on the northeast continental shelf.

This dataset contains zooplankton and ichthyoplankton abundances from bongo net tows during the third East Coast Ocean Acidification cruise (ECOA-3). The cruise took place from August 6 to September 23, 2022 aboard the NOAA Ship Ronald H. Brown. The bongo net tows were performed at subset of 73 ECOA-3 stations along the East Coast of North America. The cruise was designed to obtain a synoptic snapshot of key carbon, physical, biological and biogeochemical parameters as they relate to ocean acidification (OA) in the coastal realm. The bongo net tows support the biological sampling component of the cruise in an effort to link chemical and physical drivers to biological and ecological effects. This effort was conducted in support of the monitoring and research objectives of the NOAA Ocean Acidification Program (OAP).

The National Marine Fisheries Service's Northeast Fisheries Science Center conducted standardized ichthyoplankton surveys from 1977-1988 along the continental shelf between Cape Hatteras, North Carolina and Cape Sable, Nova Scotia. These data were collected as part of a comprehensive fisheries ecosystem study to identify changes in fish community structure and investigate recruitment mechanisms. During this time period 25,000 bongo samples were collected within this broad area. In this analysis, a subset of the data were used to model ichthyoplankton abundance and distribution within the Gulf of Maine from Cape Sable, Nova Scotia to southern Massachusetts. Overall, 6,406 samples were used to model abundance and distribution within a seasonal time series (Figure 3.2.1). Additionally, samples conducted within Stellwagen Bank National Marine Sanctuary were analyzed to determine species composition abundance within the Sanctuary.

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These data are part of an ocean observation study by Stabeno, Napp, and Whitledge sponsored, in part, by the North Pacific Research Board (Project 602; http://doc.nprb.org). The grant was titled "Sentinels for Bering Sea ecosystem change." Moorings have been maintained on the southeastern Bering Sea shelf at four sites: M2 (56.9B0N, 164.1B0W) since 1995, M4 (57.9B0N, 168.9B0W) since 1996; M5 (59.9B0N, 171.7B0W) and; M8 (62.2B0N 174.7B0W) since 2004. Shipboard measurements of temperature, salinity, nutrients, chlorophyll, fluorescence and zooplankton were collected around the moorings and along the 70-m isobath on 2 cruises (2MF06, 12 April b?? 6 May; 7MF06, 25 September b?? 10 October) to groundtruth the in situ sensors on the moorings and to learn the factors that distinguish the upper water column of the central and southeastern middle shelf.

Ichthyoplankton (biological) data from cruise 0701 from the Yucatan Peninsula, Mexico, Belize, and South Florida. Data is housed in a spreadsheet database (Excel) format for use of members of the Early Life History (ELH) group.

Station data and ichthyoplankton (biological) data from cruise 0903 from the US Virgin Islands, British Virgin Islands, Puerto Rico, Anegada Passage, Leeward Islands and Saba Bank. In addition, inshore data from St. Thomas seine net tows is included. Data is housed in in a spreadsheet database (Excel) format to be maintained, updated and utilized by members the Early Life History (ELH) group and all project partners.

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