https://ipt-obis.gbif.us/resource?r=arcticepifauna2023
arctic_epifauna_2023_AMBONproject
Arctic epifauna abundance and biomass, Fall2023, AMBON project
Dr.
Katrin
Iken
University of Alaska Fairbanks
FAIRBANKS
AK
99775
US
kbiken@alaska.edu
0000-0001-7961-1012
Dr.
Katrin
Iken
University of Alaska Fairbanks
FAIRBANKS
AK
99775
US
kbiken@alaska.edu
0000-0001-7961-1012
Adrienne
Canino
Axiom Data Science
Anchorage
AK
99501
US
adrienne@axiomdatascience.com
programmer
Dr.
Laura
Brenskelle
U.S. Integrated Ocean Observing System
US
laura.brenskelle@noaa.gov
https://ioos.noaa.gov/
0000-0002-9284-8871
publisher
Mathew
Biddle
United States Marine Biodiversity Observation Network (US MBON)
Physical Scientist
1315 East-West Highway
Silver Spring
MD
20910
US
mathew.biddle@noaa.gov
https://ioos.noaa.gov/
0000-0003-4897-1669
distributor
2025-07-16
eng
This file contains data on abundance and biomass of epifaunal organisms in the northern Bering Sea and the Chukchi Sea from Fall 2023
Samplingevent
GBIF Dataset Type Vocabulary: http://rs.gbif.org/vocabulary/gbif/dataset_type_2015-07-10.xml
Specimen
GBIF Dataset Subtype Vocabulary: http://rs.gbif.org/vocabulary/gbif/dataset_subtype.xml
To the extent possible under law, the publisher has waived all rights to these data and has dedicated them to the Public Domain (CC0 1.0). Users may copy, modify, distribute and use the work, including for commercial purposes, without restriction.
Creative Commons Zero v1.0 Universal
https://spdx.org/licenses/CC0-1.0.html
CC0-1.0
Sampling region is the norther Bering Sea and the US Chukchi Sea shelf
-177.891
-158.555
71.965
60.24
2023-09-15
2023-10-01
Crustacea
Hydrozoa
Malacostraca
Ascidiacea
Bivalvia
Asteroidea
Echinoidea
Ophiuroidea
Annelida
Bryozoa
This dataset provides quantitative biomass and abundance data for a wide range of epifaunal taxa collected with a beam trawl. Taxa are mostly identified to species or genus level but many also identified to higher taxonomic levels. These data collected in 2023 can be compared to other data from previous of later years for temporal patterns.
Epibenthic communities play important roles in Arctic shelf systems based on their high biomass that is critical in pelagic-benthic coupling, mineralization of organic matter, and as a food source for many higher trophic levels such as fish, whales, seals, walrus, and humans.
These data were collected as part of the Arctic Marine Biodiversity Observing Network (AMBON), a member
of the Marine Biodiversity Observing Network (MBON). The work was funded through The National Aeronautics and Space Administration (NASA, 80NSSC22K1780) and the Office of Naval Research (ONR, N00014-22-1-2792).
asNeeded
Dr.
Katrin
Iken
University of Alaska Fairbanks
FAIRBANKS
AK
99775
US
kbiken@alaska.edu
0000-0001-7961-1012
Once on deck, the catch was sorted into major taxa and weighed and counted on board. Based on the trawled area, overall biomass and abundance as catch per unit effort (CPUE) were determined in g wet weight 1000 m-2 and number of individuals 1000 m-2, respectively.
Epibenthic data were collected in early fall 2023 in the northern Bering Sea and Chukchi Sea
Samples were taken with a plumb-staff beam trawl with a 2.26-m opening and a 7-mm mesh net with a 4-mm cod end liner. Tows were generally between 3-5 min at a tow speed of 1.5 knots.
Arctic Marine Biodiversity Observing Network (AMBON) – linking biodiversity observations in the Arctic
Dr
Katrin
Iken
0000-0001-7961-1012
principalInvestigator
The Arctic Marine Biodiversity Observing Network (AMBON) project is part of the US MBON program. The Arctic Marine Biodiversity Observing Network (AMBON) is designed to provide high-quality biodiversity data from the Arctic Chukchi Sea across trophic levels, from microbes to whales. Here, data on the epifainal communities are provided
NASA: 80NSSC22K1780
ONR: N00014-22-1-2792
The northern Bering Sea and the Chukchi Sea are shallow Arctic shelf systems in US waters. They are characterized by high nutrient inputs, which makes them very productive. These Arctic Ocean marginal seas are among the fastest-warming regions in the world, with ecosystem changes across all trophic levels that carry repercussions to ecosystem function.
2025-07-16T18:29:39.030+00:00
dataset
Iken K (2025). Arctic epifauna abundance and biomass, Fall2023, AMBON project. Version 1.0. NOAA Integrated Ocean Observing System. Samplingevent dataset. https://ipt-obis.gbif.us/resource?r=arcticepifauna2023&v=1.0