Juday Net Zooplankton Data from the 2020 Gulf of Alaska International Year of the Salmon Expedition

Natalya Kuznetsova; Evgeny Pakhomov

doi:10.21966/g9wr-vs33

Juday Net Zooplankton Data from the 2020 Gulf of Alaska International Year of the Salmon Expedition

Citation

Kuznetsova N, Pakhomov E (2022). Juday Net Zooplankton Data from the 2020 Gulf of Alaska International Year of the Salmon Expedition. Version 1.1. Hakai Institute. Sampling event dataset https://doi.org/10.21966/g9wr-vs33 accessed via GBIF.org on 2024-12-15.

Description

This dataset contains zooplankton occurrence data collected in the Northeast Pacific Ocean with a Juday net. These data were collected as part of the International Year of the Salmon (IYS) High Seas Expeditions conducted in March and April 2020, to further improve the understanding of the underlying food web structure and factors impacting salmon early marine winter survival. A Juday net (0.1 m2 mouth area, 160 um mesh size) was deployed to a depth of 200m at 37 stations in 2020. Samples were processed in the lab. Taxa were determined to lowest taxonomic rank possible. Where possible, sex and lifestage are determined. For count, abundance and biomass measurements, please reach out to the point of contact(s) listed.

Sampling Description

Study Extent

Zooplankton samples were collected with a Juday net in the Northeast Pacific Ocean in March and April 2020. A total of 37 stations were sampled.

Sampling

The Juday net (0.1 m2 mouth area, and 160 um mesh size) was deployed to a depth of 200 m and retrieved vertically. The net was towed at a speed of ~ 1 m/s.

Method steps

Taxa were discerned to lowest taxonomic rank possible. Samples were preserved in 4% formalin for further laboratory analysis. Samples from 2020 were processed in the lab.

Additional info

EventIDs can be parsed to project-cruise-station-sampling event.

Taxonomic Coverages

Geographic Coverages

Northeast Pacific Ocean

Bibliographic Citations

Contacts

Natalya Kuznetsova
originator
position: Leading research scientist
Pacific branch of Russian Federal Institute of Fisheries and Oceanography “VNIRO” (TINRO)
RU
email: natalya.kuznetsova@tinro-center.ru

Evgeny Pakhomov
originator
position: Professor
University of British Columbia (UBC); Institute of Oceans and Fisheries (IOF)
email: epakhomov@eoas.ubc.ca

Evgeny Pakhomov
metadata author
position: Professor
University of British Columbia (UBC); Institute of Oceans and Fisheries (IOF)
AERL, 2202 Main Mall
Vancouver
V6T 1Z4
British Columbia
CA
email: epakhomov@eoas.ubc.ca

Tim Van Der Stap
distributor
position: Research Technician
Hakai Institute
Hakai Institute PO Box 25039
Campbell River
V9W 0B7
British Columbia
CA
email: tim.vanderstap@hakai.org
userId: http://orcid.org/0000-0002-0053-0795

Brett Johnson
distributor
position: Research Technician
Hakai Institute
Hakai Institute PO Box 25039
Campbell River
V9W 0B7
British Columbia
CA
email: brett.johnson@hakai.org
userId: http://orcid.org/0000-0001-9317-0364

Natalya Kuznetsova
administrative point of contact
position: Leading research scientist
Pacific branch of Russian Federal Institute of Fisheries and Oceanography “VNIRO” (TINRO)
RU
email: natalya.kuznetsova@tinro-center.ru

Aleksey Somov
administrative point of contact
position: Head of the Applied Biocenology Department, Laboratory of Pacific Salmon Life Histories
Pacific branch of Russian Federal Institute of Fisheries and Oceanography “VNIRO” (TINRO)
RU
email: Aleksey.somov@tinro-center.ru

Evgeny Pakhomov
administrative point of contact
position: Professor
University of British Columbia (UBC); Institute of Oceans and Fisheries (IOF)
email: epakhomov@eoas.ubc.ca