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Full-Text Articles in Physical Sciences and Mathematics

Improving Salmon Access To Inland Habitat Can Also Reduce Risk To Human Safety And Property, Ken Cousins Apr 2022

Improving Salmon Access To Inland Habitat Can Also Reduce Risk To Human Safety And Property, Ken Cousins

Salish Sea Ecosystem Conference

Salmon are not only keystone species, but are also culturally and economically critical, supporting large tribal, commercial, and recreational fishing industries. Transportation infrastructure can significantly impact salmon, especially where road crossings impede their free movement. Modifying stream crossing infrastructure to restore salmon access to inland habitat is a major (albeit expensive) priority throughout the region. Progress in this area will require broadening stakeholder support and financing options. We must expand our understanding of the value of improving stream crossings to include not only ecological costs, but also conventional risks (e.g., localized flooding, transportation disruptions) arising from disrupted stream flows. Earth …

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Puget Sound Federal Task Force: Coordinating, Leveraging And Prioritizing Diverse Federal Programs Toward A Healthy And Sustainable Puget Sound, Erik Peterson, Peter Murchie, Elizabeth Babcock, Diane Hennessey, Richard Vacirca, Nathaniel Scholz, Catherine Gockel, Bill Labiosa, Dakota Badawy Apr 2022

Puget Sound Federal Task Force: Coordinating, Leveraging And Prioritizing Diverse Federal Programs Toward A Healthy And Sustainable Puget Sound, Erik Peterson, Peter Murchie, Elizabeth Babcock, Diane Hennessey, Richard Vacirca, Nathaniel Scholz, Catherine Gockel, Bill Labiosa, Dakota Badawy

Salish Sea Ecosystem Conference

The Puget Sound Federal Task Force (PSFTF) panel at the 2022 Salish Sea Ecosystem Conference will include presentations and an opportunity for discussion on current priority U.S. federal actions to protect and restore Puget Sound. PSFTF Co-chairs will provide an overview, including the role and relationship to treaty protected rights and resources. PSFTF Subteam Leads will highlight federal work on cross-cutting actions; fish passage; nearshore and shorelines; floodplains, riparian habitat, and estuaries; shellfish; stormwater; and science and monitoring. As background, with the Puget Sound Congressional delegation, Puget Sound Partnership, tribes and others recognizing that formal program and budget coordination at …

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Explorations Into The Assessment Of Hatchery Effectiveness And Interactions Between Hatchery And Wild Fish: Challenges And Results., Andy Rosenberger Apr 2022

Explorations Into The Assessment Of Hatchery Effectiveness And Interactions Between Hatchery And Wild Fish: Challenges And Results., Andy Rosenberger

Salish Sea Ecosystem Conference

Wild stocks of Pacific salmon have experienced significant declines in abundance over the past century. One of the management tools to compensate for these losses has been the use of hatcheries to produce salmon and provide continued support for our fisheries, rebuilding and conservation efforts. There is now widespread recognition of the need to evaluate the role and effectiveness of hatcheries in British Columbia. In 2020, the Pacific Salmon Foundation received funding through the BC Salmon Restoration and Innovation Fund to conduct an independent science-based review of hatchery effectiveness in BC. This work is made up of several components, a …

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Connection To Place: Indigenous Leadership For Holistic Research, Restoration And Governance In Səlilwət (Burrard Inlet), Hillary Hyland, Spencer Taft, Lindsey Ogston, Graham Nicholas, Anuradha Rao Apr 2022

Connection To Place: Indigenous Leadership For Holistic Research, Restoration And Governance In Səlilwət (Burrard Inlet), Hillary Hyland, Spencer Taft, Lindsey Ogston, Graham Nicholas, Anuradha Rao

Salish Sea Ecosystem Conference

Tsleil-Waututh Nation (TWN) is rooted in Burrard Inlet. Since time immemorial, Indigenous laws, knowledge and practices have enabled Tsleil-Waututh to govern, manage and protect these lands and waters. Post-contact pressures have reinforced the urgent need for environmental stewardship and restoration. Representatives of TWN’s Treaty, Lands and Resources Department will discuss how TWN’s leadership is advancing holistic approaches to improve the health of Burrard Inlet and its watersheds. Weaving Western and Indigenous Science TWN is a leader in weaving diverse worldviews toward holistic ecosystem management. TWN’s Burrard Inlet Action Plan, and their other plans, policies, and co-management agreements have united participants …

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Bring Your Estuary Expertise To Students Outdoors! Seadoc Society’S Free Explore The Salish Sea Curriculum For Grade 5 - Just Add Water...And Community Partners., Mira Lutz Castle, Leigh Ann Gilmer Apr 2022

Bring Your Estuary Expertise To Students Outdoors! Seadoc Society’S Free Explore The Salish Sea Curriculum For Grade 5 - Just Add Water...And Community Partners., Mira Lutz Castle, Leigh Ann Gilmer

Salish Sea Ecosystem Conference

Over 200 schools are currently using the Explore the Salish Sea curriculum with the award-winning Explore the Salish Sea: A Nature Guide for Kids book, and SeaDoc has donated nearly 4,900 copies to students in low income and tribal schools. Why? To build a science-literate, traditional knowledge-respecting citizenry who considers the life downstream in their every day and voting decisions. Teaching students science is one thing, but giving students a hands-on opportunity to participate in real science is a surefire way to increase their learning engagement. SeaDoc Society invites you to the table to discover how this curriculum engages students …

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The 2021 Puget Sound Nearshore Summit And Synthesis: Proceedings And Key Outcomes, Dr. Letitia (Tish) Conway-Cranos Apr 2022

The 2021 Puget Sound Nearshore Summit And Synthesis: Proceedings And Key Outcomes, Dr. Letitia (Tish) Conway-Cranos

Salish Sea Ecosystem Conference

Led by the Washington Department of Fish and Wildlife’s (WDFW) Estuary and Salmon and Restoration Program (ESRP) and the Puget Sound Ecosystem Monitoring Program (PSEMP) Nearshore Work Group, the goal of the Nearshore Summit was to connect natural scientists, social scientists, and restoration practitioners to synthesize Puget Sound nearshore restoration actions and science. Specific objectives were to: (1) Synthesize nearshore restoration science, (2) Capture insights from restoration practice, (3) Identify the most important science and restoration management questions that will guide future actions, (4) Update Puget Sound Nearshore Ecosystem Restoration Project (PSNERP) conceptual models for the ecosystem responses of specific …

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Interactive Threats Reduce Foraging And Prey Capture Effort By Endangered Killer Whales, Dr. Marla Holt Apr 2022

Interactive Threats Reduce Foraging And Prey Capture Effort By Endangered Killer Whales, Dr. Marla Holt

Salish Sea Ecosystem Conference

Vessel traffic is a global threat to many marine mammals. Vessels can strike individuals, introduce pollutants, disrupt behavior, and generate noise. Moreover, marine mammals face other threats such as altered prey fields due to anthropogenic factors (e.g. habitat, fisheries, climate change). However, there is often uncertainty regarding what aspects of these threats create the greatest risks given difficulties of studying marine mammal behavior. Here, we use high-resolution animal-borne Dtags to study the behavioral ecology of endangered Southern Resident killer whales (SRKW) that rely on biosonar to hunt Pacific salmon and investigate how proximate vessels affect foraging behavior and outcomes. We …

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The Variety And Value Of Grassroots, Ground-Up Recovery Efforts, Jess Newley, Donna Sandstrom, Dr. Frances Robertson, Susie Washington-Smyth, Jessica Scott Apr 2022

The Variety And Value Of Grassroots, Ground-Up Recovery Efforts, Jess Newley, Donna Sandstrom, Dr. Frances Robertson, Susie Washington-Smyth, Jessica Scott

Salish Sea Ecosystem Conference

The endangered status of the southern resident killer whale population and the likelihood of further human growth and development around the Salish Sea both indicate that the population’s recovery will be a daunting, long-term challenge to Canadian and U.S. governments and First Nation Tribes. Communities and non-governmental organizations presently have, and will continue to have, a vital role to play in contributing to the collective effort to provide the whales a quieter, less disruptive Salish Sea to successfully forage, communicate, socialize and raise their calves. For this panel, presenters will describe some of the activities currently underway to reach the …

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Shoreline Management Plans: A Hindrance Or A Help To Kelp Conservation In Puget Sound?, Katherine Conroy Apr 2022

Shoreline Management Plans: A Hindrance Or A Help To Kelp Conservation In Puget Sound?, Katherine Conroy

Salish Sea Ecosystem Conference

The waters of Puget Sound are home to one of the most diverse assemblages of kelp species in the world, providing numerous ecosystem services. However, documented loss of bull kelp (Nereocystis luekeana) forests in South and Central Puget Sound and observed declines throughout Puget Sound, pose a threat to marine ecosystems dependent on kelp forests for habitat and primary production, and jeopardize economic activities reliant on kelp-based resources. Although the recently released Kelp Conservation and Recovery Plan highlights the need for action, local environmental regulations may complicate implementing restoration projects and may not adequately protect kelp. We used content analysis …

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Social Science For The Salish Sea: An Interactive Discussion To Build A Research Agenda, Dr. Sara Breslow, Dr. David Trimbach, Leah Kintner, Heather Cole, Dr. Nathan Bennett, Dr. Leif Anderson, Erin Hanson, Dr. Jamie Donatuto Apr 2022

Social Science For The Salish Sea: An Interactive Discussion To Build A Research Agenda, Dr. Sara Breslow, Dr. David Trimbach, Leah Kintner, Heather Cole, Dr. Nathan Bennett, Dr. Leif Anderson, Erin Hanson, Dr. Jamie Donatuto

Salish Sea Ecosystem Conference

What do you think we need to know about people to advance the ecosystem recovery goals of our transboundary region? The Social Science for the Salish Sea (S4) project convened 40 researchers and practitioners from academic, governmental, non-profit and Indigenous organizations in Washington and British Columbia to scope an action-oriented “human dimensions” research agenda for our region. In this panel we will present our results, process, recommendations, and progress toward implementing the S4 agenda, and invite your questions and feedback in an interactive audience discussion. We identified 33 social science topics serving 4 major ecosystem recovery goals: ecological health, human …

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A Statistical Representation Of Oil Spill Fate In The Salish Sea Based On Ais Ship Traffic, Oil Transfer Data, And A Monte Carlo Model Framework., Dr. Rachael Mueller Apr 2022

A Statistical Representation Of Oil Spill Fate In The Salish Sea Based On Ais Ship Traffic, Oil Transfer Data, And A Monte Carlo Model Framework., Dr. Rachael Mueller

Salish Sea Ecosystem Conference

Bequeathing future generations a Salish Sea that is absent of oil spill impacts requires good information on the spatial distribution of the most likely oil spill scenarios and their consequences in order to help develop effective plans for oil spill prevention and response. We developed a data-informed modeling framework for generating statistical maps of oil spill fate in the Salish Sea to help provide this information. Oil spill location, month and volume are randomly generated from a year’s worth of AIS ship track data that was organized into vessel time exposure maps for seven different vessel classifications. For oil cargo …

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California's Regulation Of Motor Vehicle Tires Containing 6ppd, Dr. Anne-Cooper Doherty Apr 2022

California's Regulation Of Motor Vehicle Tires Containing 6ppd, Dr. Anne-Cooper Doherty

Salish Sea Ecosystem Conference

The California Department of Toxic Substances Control's Safer Consumer Products (SCP) program has proposed motor vehicle tires containing 6PPD as a Priority Product in an effort to help mitigate the impacts of 6PPD and 6PPD-quinone on coho salmon and other potentially impacted aquatic species. The SCP program utilizes a novel approach to regulation of chemicals in consumer products that has allowed the Program to move quickly on this important issue, with hopes that this regulation will have impacts across the entire tire market. This presentation will provide an overview of how the SCP program works, including the requirement for manufacturers …

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Bringing Virtual Reality To The Classroom:Friends Of The San Juans Immersive Education Program, Jess Newley Apr 2022

Bringing Virtual Reality To The Classroom:Friends Of The San Juans Immersive Education Program, Jess Newley

Salish Sea Ecosystem Conference

Bringing Virtual Reality to the Classroom: Using virtual reality (VR) headsets, students are transported from their classrooms into the nearshore, swimming in kelp and eelgrass surrounded by schools of herring and up into the rivers with salmon, learning about marine food webs and experiencing scientists working to conserve the Salish Sea. Friends of the San Juans piloted an “Immersive Education” virtual reality program with four San Juan County high schools in 2021. This innovative program uses cutting edge technology, combined with the art of underwater videography and packaged together with marine science and policy to take students on a journey …

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Occurrence And Fate Of 6ppd-Quinone In Urban Receiving Waters, Dr. Edward Kolodziej Apr 2022

Occurrence And Fate Of 6ppd-Quinone In Urban Receiving Waters, Dr. Edward Kolodziej

Salish Sea Ecosystem Conference

In the U.S. Pacific Northwest, coho salmon, (Oncorhynchus kisutch), annually exhibit acute mortality upon stormwater exposure when adult salmon migrate to urban and near urban creeks to reproduce. We recently linked these mortality events to “6PPD-quinone”, a highly toxic transformation product of a common industrial antioxidant chemical 6PPD that is ubiquitously used in vehicle tires. These results reveal unanticipated risks of tire rubber antioxidants to an important aquatic species and imply toxicological relevance for widely dissipated tire rubber residues. Management of roadway runoff in general, and 6PPD/6PPD-quinone specifically, will be a clear priority for maintenance of ecosystem health and function, …

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Innovations In Regulatory Permit Processes For Aquatic Habitat Protection And Restoration In Washington, Diane Hennessey, Paul Cereghino, Stephanie Ehinger, Sydney Fishman, Kelly Still, Hannah Faulkner, Josh Peters Apr 2022

Innovations In Regulatory Permit Processes For Aquatic Habitat Protection And Restoration In Washington, Diane Hennessey, Paul Cereghino, Stephanie Ehinger, Sydney Fishman, Kelly Still, Hannah Faulkner, Josh Peters

Salish Sea Ecosystem Conference

Innovations in Regulatory Permit Processes for Aquatic Habitat Protection and Restoration in Washington Aquatic habitats are vital for the region’s salmon, steelhead, and Southern Resident Killer Whales. Regulatory permitting is our principal mechanism for protecting these ecosystems from human activities. Projects that affect aquatic habitat are subject to a complex and often lengthy local, state, and federal regulatory process commonly intersecting more than nine agencies and consulting with tribes. Each permit has specific requirements for application, review, and compliance, shaped by a constantly evolving legal, social and economic context. Permitting processes may discourage or delay restoration projects, reducing the effectiveness …

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Pathogen Filtration: An Untapped Ecosystem Service, Corinne Klohmann Apr 2022

Pathogen Filtration: An Untapped Ecosystem Service, Corinne Klohmann

Salish Sea Ecosystem Conference

Eelgrass (Zostera marina) is a marine angiosperm found in coastal temperate waters worldwide. Eelgrass is a vital part of coastal ecosystems providing nurseries for fish, habitat for invertebrates, sediment stabilization, coastal protection, water filtration, and carbon sequestration. In the tropics, seagrass beds have demonstrated their ability to decrease the abundance of the bacterial pathogen Enterococcus. Enterococcus-associated pathogens can sicken humans and other animals in the water. This work examines microbial community composition in seagrass beds in Puget Sound and the underlying mechanisms involved in pathogen filtration by seagrass beds. We assessed microbial abundance and composition using Enterococcus assays as well …

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St. George Rainway: Integrating Environmental Education Into Public Engagement, Julie Mcmanus Apr 2022

St. George Rainway: Integrating Environmental Education Into Public Engagement, Julie Mcmanus

Salish Sea Ecosystem Conference

Green infrastructure (GI) is an emerging approach to rainwater management. As a result, few members of the public understand the functionality and designfunctionality, design parameters and co-benefits of these systems. This presentation addresses a key challenge to meaningful engagement of GI: how to integrate environmental education into public engagement and provide members of the pubic the tools required to provide informed feedback. In 2019, the City of Vancouver adopted the Rain City Strategy, a 30 year plan to change how we manage rainwater using green infrastructure. Through the City’s GI engagement work, the GI project team seeks to educate to …

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Predicting The Ecotoxicological Impacts Of Microplastics In The Salish Sea Using Gis, Melina Sorensen Apr 2022

Predicting The Ecotoxicological Impacts Of Microplastics In The Salish Sea Using Gis, Melina Sorensen

Salish Sea Ecosystem Conference

Microplastics are ubiquitous in the world's oceans and have negatively impacted marine biota and ecosystem health. The Salish Sea, an inland sea ranging from Vancouver to Puget Sound, is an ecologically significant ecosystem. This study determined the areas in the Northern Salish Sea (Canadian jurisdiction) in which microplastics are likely to accumulate and subsequently where they are likely to cause ecological harm. Modelling and weighted raster analysis was performed using Geographic Information Systems (GIS). Areas of highest risk were identified, four key ecological areas of concern in relation to the results were investigated, and the potential impacts of microplastics on …

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Intertidal Eelgrass Decline Under Combined Effects Of Wasting Disease And Warming, Dr. Lillian Aoki Apr 2022

Intertidal Eelgrass Decline Under Combined Effects Of Wasting Disease And Warming, Dr. Lillian Aoki

Salish Sea Ecosystem Conference

Ocean warming threatens vital coastal ecosystems, including eelgrass (Zostera marina) meadows. At meadows along the Pacific coast of North America, outbreaks of seagrass wasting disease are correlated with warm water anomalies. The San Juan Islands in the Salish Sea are a hotspot for seagrass wasting disease; outbreaks have increased since 2013 and can infect 90% of plants in individual meadows. From 2019-2021, we assessed the interactive stressors of warming temperatures and disease outbreaks in intertidal meadows in the San Juan Islands, and we compared disease outbreaks along a latitudinal gradient, including meadows on the Central Coast of British Columbia and …

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Tracking Salish Sea Environmental Changes In Real-Time, Dr. John Mickett Apr 2022

Tracking Salish Sea Environmental Changes In Real-Time, Dr. John Mickett

Salish Sea Ecosystem Conference

Using existing and freely available real-time environmental measurements in the Salish Sea and on the Washington shelf including mooring observations, atmospheric measurements, and river flow measurements, we developed five metrics to help understand and track primary factors contributing to changes in Salish Sea water properties, and, thus, potential ecological changes. These metrics, which include estuarine flow speed, river and rain effect on salinity, water-column oxygen availability, ocean boundary conditions, and heating or cooling of the water by the atmosphere, are intended to inform resource managers, scientists, health officials, and others on how key climate and ocean factors are influencing the …

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Neighbourhood-Scale Coastal Adaptation With Green Shores: Challenges And Opportunities, Jessica Wilson, Grant Lamont, Dg Blair, Luke Sales, Robyn Holme, David Robinson, Mike Waters Apr 2022

Neighbourhood-Scale Coastal Adaptation With Green Shores: Challenges And Opportunities, Jessica Wilson, Grant Lamont, Dg Blair, Luke Sales, Robyn Holme, David Robinson, Mike Waters

Salish Sea Ecosystem Conference

Coastal processes function on a larger scale than most individual properties can appropriately accommodate. Property frontages typically range on the order of 10s of meters, whereas coastal processes (such as sediment transport) often span 100s of meters or more. These scales pose a challenge for implementing natural and nature-based approaches on many individual properties. Neighbourhood-scale designs have the potential to avoid the site limitations posed by individual properties as well as distribute costs and benefits across a broader community. However, there are few examples of neighbourhood-scale projects being implemented within the Salish Sea to date. Northwest Hydraulic Consultants (NHC) – …

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Boundary Spanning In Support Of Ecosystem-Based Management, Dr. Tessa Francis Apr 2022

Boundary Spanning In Support Of Ecosystem-Based Management, Dr. Tessa Francis

Salish Sea Ecosystem Conference

Boundary spanning is a focused effort to facilitate the exchange of knowledge and information between disparate communities, such as knowledge producers (i.e., analysts, scientists, researchers, etc.) and knowledge users (i.e., decision-makers, policy makers, managers, etc.). Many boundary-spanning efforts are limited to single interfaces, or focused on producing single boundary objects. Here we describe the ongoing work of a boundary spanning organization that amounts to a system of activities conducted at interfaces between multiple communities engaged in ecosystem-based management of the Puget Sound, resulting in a suite of boundary objects. These examples illustrate a range of potential boundary spanning activities while …

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Incorporating Indigenous Methodologies For Assessing Conservation Risk, Reiley Terbasket, Jason Straka Apr 2022

Incorporating Indigenous Methodologies For Assessing Conservation Risk, Reiley Terbasket, Jason Straka

Salish Sea Ecosystem Conference

Formally designating an area as an “ecosystem at risk” can have intentional and unintentional consequences for how that area is treated, including: • The area being formally listed under pieces of legislation • Affecting the ways in which Indigenous nations interact with species or ecosystems in an area • Feeding into decision-making processes like land use planning, environmental assessments, and mitigation • Informing conservation targets, funding, or opportunities for establishing various types of protected areas But what goes into considering an ecosystem at risk? NatureServe and the International Union for Conservation of Nature (IUCN) have developed standard and respected methods …

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Profiling Marine Biotoxins In The Salish Sea, Dr. Andrew R.S. Ross, Blair Surridge, Harry Hartmann, Mackenzie Mueller, Nicole Frederickson, Svetlana Esenkulova, Isobel Isobel Apr 2022

Profiling Marine Biotoxins In The Salish Sea, Dr. Andrew R.S. Ross, Blair Surridge, Harry Hartmann, Mackenzie Mueller, Nicole Frederickson, Svetlana Esenkulova, Isobel Isobel

Salish Sea Ecosystem Conference

The frequency and magnitude of marine harmful algal blooms (HABs) appear to be increasing worldwide, influenced by factors such as eutrophication and climate change. Biotoxins produced by harmful algae can have a negative impact on marine life including fish, mammals and seabirds. Variations in the timing, extent, duration, and impact of toxic HABs have been linked to changing environmental conditions, including extreme events such as the 2014-2016 North Pacific marine heatwave. Scientists at Fisheries and Ocean Canada (DFO) have been partnering with the Pacific Salmon Foundation (PSF) Citizen Science program to collect and analyze biotoxin samples, taxonomic and environmental data …

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Collaborative Restoration Of Boundary Bay For Traditional Shellfish Harvest: Shared Waters Alliance, Christy Juteau, Harley Chappell Apr 2022

Collaborative Restoration Of Boundary Bay For Traditional Shellfish Harvest: Shared Waters Alliance, Christy Juteau, Harley Chappell

Salish Sea Ecosystem Conference

Shared Waters Alliance is an international working group focused on the water quality of the Canadian-US shared waters of Boundary Bay. Boundary Bay is a critical section of BC’s rare coastline habitat and is recognized locally, nationally and internationally. Shared Waters was formed in 1999 and is made up of representatives from government, First Nations and community groups from both countries. A primary driver for the formation of this working group was the shellfish harvesting closure on the Canadian side of the border due to bacteriological contamination. Indigenous peoples (including Semiahmoo First Nation) traditionally harvested the abundant fish and shellfish …

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Bioretention For Lakes: Washington's Search To Replace Compost In Our Stormwater Filters, Dr. Dylan Ahearn Apr 2022

Bioretention For Lakes: Washington's Search To Replace Compost In Our Stormwater Filters, Dr. Dylan Ahearn

Salish Sea Ecosystem Conference

Bioretention is the most widely applicable and flexible stormwater treatment practice we have available today. The Washington State Department of Ecology (Ecology) specification for bioretention soil media (BSM) is a mixture of 60 percent sand and 40 percent compost (60/40). Washington is not alone by including compost in BSM; Massachusetts, Nebraska, Maryland, Colorado, the list goes on. While the 60/40 BSM can provide reliable water quality treatment for some contaminants, it has been shown to export high levels of nitrogen and phosphorus. We will present the journey that the state of Washington has taken over the last 6 years to …

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Initial Sensitivity Analysis Of Nutrient Loading To Understand Hypoxia In The Salish Sea Sub-Basins, Su Kyong Yun Apr 2022

Initial Sensitivity Analysis Of Nutrient Loading To Understand Hypoxia In The Salish Sea Sub-Basins, Su Kyong Yun

Salish Sea Ecosystem Conference

The Salih Sea is a complex estuarine system crossing over the U.S and Canadian waters. It has high cultural, environmental, and economic importance, but the increasing levels of nutrient pollution have threatened its values and caused hypoxia, algal blooms, and fish kills. To understand the impact of nutrient loading on the Salish Sea, we used a diagnostic hydrodynamic and biogeochemical model of the Salish Sea (Salish Sea Model) which has been developed to simulate circulation and biogeochemical cycling. For a deeper understanding of the interaction between land-based nutrient loading and circulation characteristic of the Salish Sea, we conducted initial components …

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Impacts Of Predation On Pacific Herring Egg Survival In The Southern Salish Sea, Heidi Stewart Apr 2022

Impacts Of Predation On Pacific Herring Egg Survival In The Southern Salish Sea, Heidi Stewart

Salish Sea Ecosystem Conference

Pacific herring play a critical role in the food web of the Salish Sea. Because they are not charismatic megafauna there has been a lack of attention on the species, resulting in a limited understanding of their population dynamics and downward trends in their populations. The Cherry Point stock, centered 30 miles north of Bellingham Bay, has declined roughly 97% since the 1970s. This massive decline is a point of concern for environmental and fishery managers and has led to research into both the initial decline and its lack of recovery. One key hypothesis in need of research is whether …

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Planning, Engagement And Construction Of Blue-Green Systems: Creating Connected And Multi-Beneficial Solutions For The Road Right-Of-Way In Vancouver, Dr. Tugce Conger, Connor Redman Apr 2022

Planning, Engagement And Construction Of Blue-Green Systems: Creating Connected And Multi-Beneficial Solutions For The Road Right-Of-Way In Vancouver, Dr. Tugce Conger, Connor Redman

Salish Sea Ecosystem Conference

In 2019, Vancouver City Council adopted the Rain City Strategy, committing to capture and clean 90% of rainfall that falls within the City, and in doing so, transforming urban watersheds for present and future generations. At the same time, Vancouver is continuing to densify. With increasing density, there is a growing demand for space in the road right-of-way –rainwater management, more and larger servicing utilities, vehicles, transit, bikeways, and wider sidewalks are all competing for spaces. Blue-Green Systems (BGS) are an emerging green infrastructure typology that help the City to meet multiple objectives in the same space. The City and …

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The Living Dike – Pilot Project Phasetechnical Development From Multiple Multi-Discipline Walkabouts., John Readshaw, Gary Williams Apr 2022

The Living Dike – Pilot Project Phasetechnical Development From Multiple Multi-Discipline Walkabouts., John Readshaw, Gary Williams

Salish Sea Ecosystem Conference

The Living Dike – Pilot Project Phase Technical Development from multiple Multi-Discipline Walkabouts. Abstract Salish Sea Conference The Living Dike – Pilot Project Phase Technical Development from multiple Multi-Discipline Walkabouts. John Readshaw, P. Eng. SNC – Lavalin Inc. Gary Williams, RP Bio. G.L. Williams and Associates The Living Dike project, described in an earlier Salish Sea Conference presentation, has now moved into a seven year funded pilot project phase. As part of this phase, a series of walkabouts was undertaken at two of the intended pilot project sites to better understand the ecological services being provided by the existing saltmarsh …

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