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From:Paulsen, Shaina
To:BOS
Subject:Board Correspondence - FW: Western ridged mussel
Date:Tuesday, April 5, 2022 8:11:01 AM
Attachments:SFWO DIP_western_ridged_mussel_Partners_20220331.pdf
Please see Board Correspondence.
Shaina Paulsen
Associate Clerk of The Board
Butte County Administration
25 County Center Drive, Suite 200, Oroville, CA 95965
T: 530.552.3304 | F: 530.538.7120
From: Aguilera, Amber <amber_aguilera@fws.gov>
Sent: Tuesday, April 5, 2022 7:32 AM
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Meyer-Shields, Elizabeth A <eameyer@blm.gov>; Lavrov, Nicholas <nlavrov@blm.gov>; Mata,
Jennifer L <jmata@blm.gov>; Campbell, Vicki L <vlcampbell@blm.gov>; LESSARD, DREW F
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<Christopher.Carlton@usda.gov>; Halstead, Brian J <bhalstead@usgs.gov>; jfurnish01@fs.fed.us;
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Cc: Kong, Lauren M <lauren_kong@fws.gov>
Subject: Western ridged mussel
Dear partner,
Please see the attached letter announcing the initiation of the U.S. Fish and Wildlife Service’s
(Service) status review (12-month finding) of the western ridged mussel (Gonidea angulata) to
determine whether listing is warranted. The Service has been gathering and analyzing
available information about the western ridged mussel to assist us in making a listing
determination and we are contacting you to request additional information about the
species.
At this time, we expect the 12-month finding will be delivered to the Federal Register no later
than September 30, 2024. We will provide a public notification of our 12-month finding and
any future proposed rulemakings will include an opportunity for public review and comment.
If you have any relevant information to share with the Service, please submit it to Courtney
Newlon via email at courtney_newlon@fws.gov. All data and information submitted to us,
including names and addresses, will become part of the administrative record.
Thank you,
Amber
Amber Aguilera (she/her/hers)
Listing Coordinator
Listing and Recovery Division
Sacramento Fish and Wildlife Office
Phone: 916-414-6626
Fax: 916-414-6713
amber_aguilera@fws.gov
"In an effort to slow the spread of the coronavirus (COVID-19), staff in the Sacramento Fish
and Wildlife Office have implemented an aggressive telework schedule. At this time, we are
responding to requests for information via email or phone as often as possible as we do not
have the in-office capacity to support regular mail service. We appreciate your
understanding."
Reply To: 8185.1599
File Name: DIP_western_ridged_mussel_TS22-
0125.docx TS Number: TS22-0125
March 31, 2022
Dear Conservation Partner:
The U.S. Fish and Wildlife Service (Service) is responsible for identifying species in need of
protection under the Endangered Species Act of 1973 as amended (16 U.S.C. 1531-1543)
(ESA). In 2020, the Service was petitioned to list the western ridged mussel (Gonidea angulata)
range wide under the ESA by the Xerces Society for Invertebrate Conservation. This species of
freshwater mussel historically occurred in rivers and lakes across portions of the western U.S.
states of Washington, Oregon, Idaho, Nevada, and California, as well as the Canadian province
of British Columbia. In 2021, we made a determination that the petition presented substantial
scientific or commercial information indicating listing of the western ridged mussel may be
warranted (86 FR 40186), and following a national work plan, we are initiating a status review.
In accordance with the Service’s National Listing Work Plan, the Service must make a 12-month
finding (i.e., a proposed listing or a not warranted finding) for the western ridged mussel by
September 30, 2024. In the event we find the western ridged mussel warrants listing, we will
issue a listing proposal and simultaneously propose a critical habitat designation. To inform this
decision, we will conduct a Species Status Assessment (SSA) using the best available scientific
and commercial data to evaluate the species’ current status, threats and anticipated future
condition. The SSA framework is an analytical approach that characterizes a species’ ability to
sustain populations over time based on the best scientific understanding of current and future
abundance and distribution, taking into consideration any threats, stressors, or conservation
efforts that could influence or affect the species’ status. An SSA is grounded in conservation
biology principles and is a transparent and explicit analysis based solely on the best available
science. We complete the SSA before policies are applied or decisions made, which provides
greater flexibility for us to engage with our partners and solicit peer review. The SSA generates
clear, logical analyses that not only support our decisions under the ESA, but provide
foundational, biological information to help guide species conservation.
To ensure the Service has the best scientific and commercial data available for development of
the SSA, we are seeking information on any of the following topics, as well as any other
information available that may be relevant to our analysis:
a) Distribution, ecology, and life history of the western ridged mussel, including habitat
needs and requirements for reproduction, growth, nutrition, and dispersal;
b) Survey data including counts and documentation of presence or absence;
c) Changes in trend, distribution, and abundance of the species;
d) Species taxonomy and genetics;
e) Potential stressors to the species or its habitat;
United States Department of the Interior
FISH AND WILDLIFE SERVICE
Sacramento Fish and Wildlife Office
2800 Cottage Way, Suite W-2605
Sacramento, CA 95825-1846
Email: SFWO_mail@fws.gov
f) Possible benefits and impacts (including economic impacts) of designating any
specific area as critical habitat if the western ridged mussel is warranted for listing;
g) Past, current, and future conservation actions or management practices that may
benefit the western ridged mussel or its habitat.
h) Projects planned or underway that may affect western ridged mussel, including what
the environmental impact may be anticipated (per stream mile, etc.), financial impact
(including any data to support these financial estimates), and/or delays if consultation
with the Service was required (including quantification of such impact in time or
cost).
Information from within any portion of the species’ range is requested. Unpublished reports,
habitat-related publications, or data that have not been included in the peer reviewed literature
will be useful. If spatial and/or tabular data (along with supporting metadata) are available,
please provide this information; however, we will accept information in any format provided.
Although the Service will accept new information throughout the SSA process, we would
appreciate your response by May 17, 2022, if possible, to ensure we have adequate time to
consider the information during our Species Status Assessment. Information should be
submitted to Courtney Newlon, the Service’s technical lead for this effort, in the Oregon Fish
and Wildlife Office (contact information below). All data and information submitted, including
names and addresses, will become part of the decisional record for this package and may be
made public.
Resources:
National Listing Work Plan:
https://www.fws.gov/endangered/what-we-do/listing-workplan.html
Listing Processes:
https://www.fws.gov/endangered/what-we-do/listing-overview.html
Species Status Assessment Fact Sheet:
https://www.fws.gov/endangered/improving_esa/pdf/SSA_Fact_Sheet-August_2016.pdf
If you would like additional information or have any questions about the western ridged mussel
Species Status Assessment, please contact Courtney Newlon at (503) 231-6972; or via email at
courtney_newlon@fws.gov ; or by writing to the following address:
U.S. Fish and Wildlife Service
Oregon Fish and Wildlife Office
2600 S.E. 98th Ave.; Suite 100
Portland, OR 97266
Thank you for your interest in the conservation of at-risk and threatened and endangered species.
Sincerely,
Michael Fris
Field Supervisor