PSI’s lead ecosystem ecologist Tessa Francis is co-author of a 2017 paper linking increasing adult mortality of Puget Sound herring with regional population declines in the species. The authors report that natural mortality among herring four years and older has doubled in Puget Sound since 1973, suggesting a possible connection to declines at spawning sites near Cherry Point and Squaxin Pass.
The article is published in the ICES Journal of Marine Science and is co-authored by Margaret Siple (lead author) of the School of Aquatic and Fishery Sciences at the University of Washington (UW SAFS), Andrew Shelton of NOAA Fisheries, Tessa Francis of PSI, Dayv Lowry and Adam Lindquist of the Washington Department of Fish and Wildlife, and Tim Essington of UW SAFS.
Margaret C. Siple, Andrew O. Shelton, Tessa B. Francis, Dayv Lowry, Adam P. Lindquist, Timothy E. Essington; Contributions of adult mortality to declines of Puget Sound Pacific herring, ICES Journal of Marine Science, , fsx094, https://doi.org/10.1093/icesjms/fsx094
Herring eggs. Photo by Tessa Francis.
PSI’s Tessa Francis will be presenting a lecture on Puget Sound’s Pacific herring as part of the University of Washington Tacoma Environmental Seminar series on May 15th. The seminar is open to the public and will be held from 12:30 P.M. to 1:30 P.M. on the UWT campus in the Science Building in room SCI309. The talk will look at why some local herring stocks are in decline and what might be done to protect Puget Sound’s herring in the future.
View a poster for the talk.
Rhinoceros auklet with sand lance by Phil Green/The Nature Conservancy. Photo courtesy of SeaDoc.
PSI’s Tessa Francis is co-leader of a joint US and Canadian team that has received funding to analyze threats to Pacific Herring in the Salish Sea. Funding of just over $89,000 was granted by the SeaDoc Society and will help the group develop a comprehensive Salish Sea herring conservation and management plan.
Francis teams up with project co-leader Dayv Lowry of the Washington Department of Fish and Wildlife. Additional collaborators include USGS, NOAA, Oregon State University, Fisheries and Oceans Canada, the Lummi Tribe, the Cowichan Tribe, The Nature Conservancy, and Q’ul-lhanumutsun Aquatic Resources Society.
Read more about the project at SeaDoc’s website.
Graphic from ‘Thirty-two essential questions for understanding the social–ecological system of forage fish: the case of Pacific Herring’
A new paper co-authored by PSI’s Tessa Francis connects social and ecological factors influencing herring management in the Salish Sea. The paper, published in the journal Ecosystem Health and Sustainability, grew out of a three-day workshop held last year in British Columbia. The workshop was sponsored by The Ocean Modeling Forum, a collaboration between the School of Aquatic and Fishery Sciences at the University of Washington and NOAA Fisheries. It brought together a variety of herring experts, from commercial fishermen to scientists, regulators and members of regional tribes. NOAA’s Phillip Levin was the paper’s lead author, with Nathan Taylor of Fisheries and Oceans Canada and Tessa Francis, lead ecosystem ecologist at PSI, as co-authors.
Levin, Phillip S., Francis, Tessa B., Taylor, Nathan G. (2016) Thirty-two essential questions for understanding the social–ecological system of forage fish: the case of Pacific Herring. Ecosystem Health and Sustainability. 2(4):e01213. doi: 10.1002/ehs2.1213.
Ocean Modeling Forum to bring human element to herring fishery, others (UW Today)
Young adult herring from Puget Sound.Margaret Siple/University of Washington
The online publication UW Today reports on a recent paper co-authored by PSI research scientist Tessa Francis. The paper, published in the journal Ocealogia, describes how individual herring populations in Puget Sound exhibit a portfolio effect, collectively influencing and stabilizing the region’s population as a whole. Francis teamed up with the paper’s lead author UW doctoral student Margaret Siple to analyze more than 40 years of herring data on 21 subpopulations in Puget Sound.
Read the feature in UW Today.
Siple, M. C., & Francis, T. B. (2016). Population diversity in Pacific herring of the Puget Sound, USA. Oecologia, 180(1), 111-125.
An albatross catches a herring.Langara Fishing Adventures
Puget Sound Institute lead ecologist Tessa Francis is co-chair of an upcoming summit to examine the human dimensions of Pacific herring fisheries in the Salish Sea. The forum brings together “social and natural scientists, tribes and First Nations, and federal and state managers” to identify new approaches to ecosystem-based management, including the use of traditional ecologic knowledge and social networks.
The summit will be held from June 8-10 in British Columbia. Read more at the Ocean Modeling Forum website.
Related article (UW Today): Ocean Modeling Forum to bring human element to herring fishery, others