A habitat-based spatial density model for harbor porpoise (Phocoena phocoena) off Oregon and Washington based on 2021-2022 aerial surveys

Forney, Karin A.; Benson, Scott R.; Becker, Elizabeth A.

doi:10.25923/xap3-r721

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A habitat-based spatial density model for harbor porpoise (Phocoena phocoena) off Oregon and Washington based on 2021-2022 aerial surveys

2023
By Forney, Karin A. ; Benson, Scott R. ; Becker, Elizabeth A.
Series: NOAA technical memorandum NMFS-SWFSC ; 691

[PDF-1.44 MB]

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Personal Author:

Forney, Karin A. ; Benson, Scott R. ; Becker, Elizabeth A.

Forney, Karin A. ; Benson, Scott R. ; Becker, Elizabeth A. Less -
Corporate Authors:

Southwest Fisheries Science Center (U.S.). ; Moss Landing Marine Laboratories. ; Ocean Associates, Inc.

Southwest Fisheries Science Center (U.S.). ; Moss Landing Marine Laboratories. ; Ocean Associates, Inc. Less -
NOAA Program & Office:

NMFS (National Marine Fisheries Service) ; SWFSC (Southwest Fisheries Science Center)

NMFS (National Marine Fisheries Service) ; SWFSC (Southwest Fisheries Science Center) Less -
Description:

This study presents new abundance estimates for harbor porpoise, Phocoena phocoena, within shelf waters of the outer coasts of Oregon and Washington, USA. Habitat-based spatial density models were developed to estimate the abundance of three harbor porpoise stocks in this region, based on aerial surveys conducted during August-September 2021 and 2022.
Keywords:

[+]

Aerial Surveys Density Harbor Porpoise Marine Mammal And Turtle Division Oregon Southwest Fisheries Science Center Washington
Series:

NOAA technical memorandum NMFS-SWFSC ; 691
DOI:

https://doi.org/10.25923/xap3-r721
Format:

PDF
Document Type:

Technical Memorandum
License:

https://creativecommons.org/publicdomain/zero/1.0/
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CC0 Public Domain
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Submitted
Main Document Checksum:

[+]

urn:sha256:3ae1b58288e34985de4eafc43a03d1c23160cf626157edf29efd2d4e4156bdbf
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https://repository.library.noaa.gov/view/noaa/56117/noaa_56117_DS1.pdf
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A habitat-based spatial density model for harbor porpoise (Phocoena phocoena) off Oregon and Washington based on 2021-2022 aerial surveys

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