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Few of the world’s longest rivers still flow uninterrupted into the ocean

Rivers are crucial components of human well-being, contributing water, food, hydroelectric power, and transport for millennia. Yet an estimated 2.8 million dams now divide up rivers world-wide, threatening healthy river ecosystems and reducing biodiversity in stream systems, in addition to impacts on inland fisheries that supply protein to 158 million people worldwide. Now, the first global assessment of free-flowing rivers has just been published in the journal Nature. 

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Greater compliance with regulations is possible with fishery cooperatives

Fishery cooperatives are groups of harvesters that band together to jointly fish a pooled quota. They can be set up in a variety of ways, but generally are governed by agreements among members, as well as agreements with regulators that affect all members of the cooperative. One form this may take is to have the participants be “jointly and severally liable” for staying within the catch quota limits for that cooperative; in other words, the regulator can halt the fishing of all members within a cooperative if the catches for that cooperative exceed quota limits, even if the overage was the fault of just a single member. 

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Exploring Our Watery World at UW’s Aquatic Science Open House

On May 4th, the University of Washington held its second annual Aquatic Science Open House. Seattle-area families, students, and teachers were invited to explore the institution’s marine and freshwater science programs and interact with researchers. The event was organized by the Students Explore Aquatic Sciences (SEAS) outreach group based in the School of Aquatic and Fishery Sciences (SAFS) and the Academic and Recreational Graduate Oceanographers (ARGO) outreach group based in the School of Oceanography.

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Educating the next generation in marine science with examples from Deepwater Horizon

A juvenile red drum swimming against a current in a swim tunnel respirometer

The Deepwater Horizon oil spill, starting 10 April 2010 and lasting until 15 July that year, was the largest in US waters in history. This highly impactful event offers lessons that can be used to train the next generation of marine scientists. In a pair of new articles in Current: The Journal of Marine Education a group of authors that include SAFS communications specialist Dan DiNicola outlines ways in which marine educators can bring the story of the oil spill to life, including assessing the impact of oil on fish swimming behavior and vision using “fish treadmills” with the aid of an online virtual laboratory; and highlighting new technological advances that came out of research on the effects of the oil spill. 

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Inferring animal distribution from both surveys and satellite tags

Mapping the distribution of mobile species is a long-standing problem in ecology. For many species, there are multiple types of data available, roughly categorized into surveys of many individuals at a snapshot period in time (e.g. a systematic spatial survey recording all individuals at a point in time) compared to tracking devices that follow individuals over time as they move through space (e.g. 

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Speeding up fisheries models 50-50,000 times

Complex fisheries models are like weather forecasts for fish populations: they gather together all the available data about fish trends in numbers over time, numbers at each age, and other information, and then predict the level of sustainable catch that can be taken from the population. Over time, as computing power has grown, these models have also become more complex, and run time has remained consistently high. 

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Dr. Jacqueline Padilla-Gamiño to be recognized at the Latinx Faculty Recognition Event

Jackie Padilla-Gamiño

We are proud and thrilled to share the news that School of Aquatic and Fishery Science faculty member Dr. Jacqueline Padilla-Gamiño has been selected by the Latino Center for Health at UW to be recognized at the Latinx Faculty Recognition Event. This annual event honors the scholarly achievements of Latina and Latino faculty across the tri-campuses of the University of Washington for the academic year 2018-2019.

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Mark Scheuerell named new Assistant Unit Leader, USGS Washington Cooperative Fish and Wildlife Research Unit

Mark Scheuerell

SAFS is excited to announce that Mark Scheuerell will be joining us as the USGS Washington Cooperative Fish and Wildlife Research Unit’s new Assistant Unit Leader and as an Associate professor.

Mark has worked for a number of years for NOAA’s Northwest Fisheries Science Center as an applied ecologist and as an Affiliate Associate professor at here at SAFS.
He will be cooperating with a variety of state and federal organizations, tribes, and academic partners to study the freshwater and estuarine ecosystems that support Pacific salmon. 

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Catch quality and access to markets drives economic performance in tuna fisheries

Tuna fisheries supply nutrients, food, employment, and other economic benefits to coastal states and global industrial fleets. A new analysis now examines the causes for variability in economic performance among regions and management types through Fishery Performance Indicators, which score performance on 68 questions answered on a scale from 1 (worst) to 5 (best). Benefits were greatest for tuna caught for canning and for sashimi (raw fish) markets, since these were the highest quality fish, and had access to the most valuable markets; and success was largely determined by the post-harvest sector. 

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