Guide for identifying select bivalve species common to Southeast Alaska

Keller, K.; Brown, K.; Atkinson, Shannon K. C.; Stone, Robert P.

doi:10.7289/V5/TM-AFSC-341

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i

Guide for identifying select bivalve species common to Southeast Alaska

2017
By Keller, K. ; Brown, K. ; Atkinson, Shannon K. C. ; ...
Series: NOAA technical memorandum NMFS-AFSC ; 341

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Personal Author:

Keller, K. ; Brown, K. ; Atkinson, Shannon K. C. ; Stone, Robert P.

Keller, K. ; Brown, K. ; Atkinson, Shannon K. C. ; Stone, Robert P. Less -
Corporate Authors:

Alaska Fisheries Science Center (U.S.)
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:

"This guide presents a comparison of the major anatomical structures amongst select bivalve species common in Southeast Alaska. The guide was compiled for use in identifying the prey contents found inside sea otter (Enhydra lutris) stomachs (Brown et al., 2017, in review), and is not inclusive of all bivalve species throughout Alaska. The guide was designed in response to a lack of photo graphical information with which to compare bivalve siphons. Clams comprise up to 75% of the sea otter diet (Garshelis et al., 1986; Kvitek and Oliver, 1992; Kvitek et al., 1993; Wolt et. al, 2012). However, sea otters rarely consume bivalve shells, leaving the soft parts -- most notably the siphon and foot -- as the most reliable features for identifying bivalve species inside sea otter stomachs. Since most guides include little or no information regarding the soft parts of bivalves, the authors set out in search of a way to compare bivalve siphons and feet. As part of that work, this guide was constructed with the intent that it would be useful to others in doing similar work. It may also be useful for the identification of walrus (Odobenus rosmarus) and bearded seal (Erigathus barbatus) stomach contents (Nora Foster, University of Alaska Museum, personal communication) or for the identification of bivalve siphons from diving or submersible surveys of seafloor habitats"--Introduction. [doi:10.7289/V5/TM-AFSC-341 (http://dx.doi.org/10.7289/V5/TM-AFSC-341)]
Content Notes:

K. Keller, K. Brown, S. Atkinson, and R. Stone.

"January 2017."

System requirements: Adobe Acrobat Reader.

Includes bibliographical references (page 25).
Keywords:

[+]

Anatomy Bivalves Identification Marine Animals
Series:

NOAA technical memorandum NMFS-AFSC ; 341
DOI:

http://doi.org/10.7289/V5/TM-AFSC-341
Document Type:

Technical Memorandum
Place as Subject:

Alaska
Rights Information:

Public Domain
Compliance:

Submitted
Main Document Checksum:

[+]

urn:sha256:4ce2979efb90834ce0c081e9fa60fb279bf3a7fa13a228f50fd05985ac323eb3
Download URL:

https://repository.library.noaa.gov/view/noaa/13139/noaa_13139_DS1.pdf
File Type:

[PDF-21.81 MB]