Entanglement of Steller Sea Lions in Marine Debris and Fishing Gear on the Central Oregon Coast from 2005–2009

Raum-Suryan, Kimberly L.; Suryan, Robert M.

doi:10.3390/oceans3030022

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Entanglement of Steller Sea Lions in Marine Debris and Fishing Gear on the Central Oregon Coast from 2005–2009

2022
By Raum-Suryan, Kimberly L. ; Suryan, Robert M.
Source: Oceans 2022, 3(3), 319-330

[PDF-1.66 MB]

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Details:

Journal Title:

Oceans
Personal Author:

Raum-Suryan, Kimberly L. ; Suryan, Robert M.

Raum-Suryan, Kimberly L. ; Suryan, Robert M. Less -
NOAA Program & Office:

NMFS (National Marine Fisheries Service) ; AFSC (Alaska Fisheries Science Center)

NMFS (National Marine Fisheries Service) ; AFSC (Alaska Fisheries Science Center) Less -
Description:

Entanglement in marine debris and fishing gear is an increasing problem for the world’s pinnipeds and a contributing factor in Steller sea lion (Eumetopias jubatus) injury and mortality. From 2005–2009, we surveyed (n = 389 days) two haul-outs on the central Oregon coast containing a combined median of 402 animals (range 33–1240, or ca. 1–19% of the Oregon coast population). We recorded 72 individuals entangled in marine debris (n = 70) or with ingested salmon hook-and-line fishing gear (n = 2). Of the identifiable neck entanglements, black rubber bands were the most common neck-entangling material (62%), followed by plastic packing bands (36%), nets (1.2%), yellow rubber bands (0.4%), and a flying disc (0.4%). The estimated prevalence of entanglement for individuals in Oregon was 0.34%. Juveniles were the most frequently entangled age class (60%), followed by adult females (28%), and subadult males (12%). Supply chain and industry-based solutions are needed to prevent entangling debris from entering the ocean, along with eliminating, modifying, or cutting entangling loops of synthetic material.
Keywords:

[+]

Marine Debris Rubber Bands Steller's Sea Lion Eumetopias Jubatus Entanglement Lose The Loop Packing Bands Steller Sea Lion
Source:

Oceans 2022, 3(3), 319-330
DOI:

https://doi.org/10.3390/oceans3030022
Document Type:

Journal Article
Place as Subject:

Oregon
Rights Information:

CC BY
Compliance:

Submitted
Main Document Checksum:

[+]

urn:sha256:cc521ac6dbd8932ecf426dc13616445cc4cb2d60fbd074ddcbd8fbb017caaf6a
Download URL:

https://repository.library.noaa.gov/view/noaa/45087/noaa_45087_DS1.pdf
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