All Articles
Salish Sea Model tracks pollution, currents and climate change
This article is the latest in a series about computer models and their uses within the Puget Sound ecosystem. Today, we look at the Salish Sea Model, one of several models in the region helping to predict water circulation, water quality and food-web relationships.
'A Field Guide to Fishes of the Salish Sea' (book review)
A new field guide brings together detailed accounts and illustrations of 260 species of fish known to occur in the Salish Sea. This review from EoPS editorial board member Joe Gaydos was originally published on the SeaDoc Society website.
Eyes Over Puget Sound: Surface Conditions Report - June 2023
In June we observed a widespread Noctiluca bloom in Central Puget Sound, evident by bright orange streaks in the water. Noctiluca blooms in Puget Sound have lasted much longer and occurred on a much larger scale than in previous years.
Synthesis of selected NEP Watershed Lead Organization grants administered by the Department of Ecology part 2
A 2023 report from the University of Washington Puget Sound Institute synthesizes past Watershed Lead Organization Program grants to support the EPA-funded Land Development and Cover and Floodplains and Estuaries Implementation Strategies. The report offers lessons learned from the habitat restoration and land acquisition-focused grants.
Six things that people should know about ecosystem modeling and virtual experiments
It’s hard to overstate the importance of mathematical models to science. Models show how planets move and how diseases spread. They track the paths of hurricanes and the future of climate change. Models allow scientists to look at systems or scenarios that they could never view otherwise. Increasingly, mathematical models are also helping scientists understand Puget Sound. In this series of
Before supercomputers, a structural model helped scientists predict currents in Puget Sound
One of the first working models of Puget Sound was a scaled-down concrete reproduction, with actual water running through channels, around islands and into bays, inlets, and harbors. Motors, pumps and timing gears are part of an elaborate mechanism that replicates tides and river flows in the still-functioning model.
Researchers use a qualitative network model to test ways to boost production at shellfish farms
The skeletal beginnings of nearly all models is a conceptual understanding of the basic workings of the system being studied: Who are the important actors, and what are their roles within the system?
Health of killer whales examined through Bayesian network modeling and informed predictions
Many types of computer models are helping researchers study the health of Puget Sound. Bayesian network models are used to examine the probabilities that certain actions will take place within the ecosystem.
Quantitative models, including Ecopath, take food web studies to a higher level of analysis
The Ecopath model, designed to describe the flow of energy through a food web, as evolved since it was first developed in the early 1980s in Hawaii. This article is part of a series focused on different models and their uses within the Puget Sound ecosystem.
Prey and predators create varying life-or-death conditions for salmon, as shown with Atlantis model
The three-dimensional Atlantis model can represent physical, chemical and biological processes and can incorporate direct human involvement, such as fisheries management, habitat improvements and economic outcomes. It has been used to study the food web to determine whether salmon in Puget Sound are more threatened by predators or by the lack of a stable food supply and to evaluate specific