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AFSC/ABL: Southeast Coastal Monitoring Survey (SECM)-juvenile salmon and associated epipelagic ichthyofauna in the marine waters of Southeast Alaska

Metadata Updated: September 2, 2022

SECM research was initiated in the spring of 1997, just prior to the onset of a strong El Nio event, and has continued annually. SECM sampling occurs around Icy Strait (58N, 136W) in the northern region and have been sustained for 18 years. This is a principal migration corridor for salmon that transit dynamic tidal and oceanographic features to offshore waters as juveniles and return in subsequent years as adults. SECM researchers have compiled a multi-year time series of biophysical data associated with juvenile salmon culled from monthly sampling intervals in May, June, July, and August. Juvenile salmon and ecologically-related species are sampled with a surface trawl and associated oceanographic measurements are taken. This time series includes data on: Temperature and salinity profiles, Surface nutrients and chlorophyll, Zooplankton (upper 20-m and integrated), Size, abundance, and origin of salmon Potential predators of juvenile salmon, Some of these biophysical data are being used to forecast pink salmon returns to Southeast Alaska and to evaluate recent trends in commercial salmon harvest and ocean survival within the region. These analyses also explore the impact of large-scale, climate-driven processes on salmon year-class strength.

Access & Use Information

License: No license information was provided. If this work was prepared by an officer or employee of the United States government as part of that person's official duties it is considered a U.S. Government Work.

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Dates

Metadata Date August 9, 2022
Metadata Created Date November 12, 2020
Metadata Updated Date September 2, 2022
Reference Date(s) (publication)
Frequency Of Update annually

Additional Metadata

Resource Type Dataset
Metadata Date August 9, 2022
Metadata Created Date November 12, 2020
Metadata Updated Date September 2, 2022
Reference Date(s) (publication)
Responsible Party (Point of Contact, Custodian)
Contact Email
Guid gov.noaa.nmfs.inport:17275
Access Constraints Cite As: Alaska Fisheries Science Center, [Date of Access]: AFSC/ABL: Southeast Coastal Monitoring Survey (SECM)-juvenile salmon and associated epipelagic ichthyofauna in the marine waters of Southeast Alaska [Data Date Range], https://www.fisheries.noaa.gov/inport/item/17275., Access Constraints: The data set is still being analyzed and will not be available for distribution until it has been finalized and all QA/QC practices have been performed. Contact the Data Point of Contact for estimated time of release. | Use Constraints: User must read and fully comprehend the metadata prior to use. Data should not be used beyond the limits of the source scale. Acknowledgement of NOAA, as the source from which these data were obtained, in any publications and/or other representations of these data is suggested. | Distribution Liability: The user is responsible for the results of any application of this data for other than its intended purpose.
Bbox East Long -131.802
Bbox North Lat 58.367
Bbox South Lat 55.115
Bbox West Long -137.71
Coupled Resource
Frequency Of Update annually
Harvest Object Id 72443a0c-e9cf-4160-bb7f-eec50f25e104
Harvest Source Id 26a29bb9-50b0-47fd-920b-edc74aa6ec76
Harvest Source Title NMFS AFSC
Licence NOAA provides no warranty, nor accepts any liability occurring from any incomplete, incorrect, or misleading data, or from any incorrect, incomplete, or misleading use of the data. It is the responsibility of the user to determine whether or not the data is suitable for the intended purpose.
Metadata Language eng
Metadata Type geospatial
Old Spatial {"type": "Polygon", "coordinates": [[[-137.71, 55.115], [-131.802, 55.115], [-131.802, 58.367], [-137.71, 58.367], [-137.71, 55.115]]]}
Progress underDevelopment
Spatial Data Service Type
Spatial Reference System
Spatial Harvester True
Temporal Extent Begin 1997-05-11

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