Research and analysis

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Rhythms of the wild in global fisheries data

Eric Galbraith is an ICREA research professor based at the Autonomous University of Barcelona. Jerome Guiet is a postdoctoral researcher at the University of California, Los Angeles. Read their new study. Most of the activity that Global Fishing Watch monitors is carried out by industrial fisheries, working for profit. These businesses are run and staffed […]

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Tuna

Predicting overlap of tunas, sharks, and ships at sea

Tim White is a PhD candidate at Stanford University’s Hopkins Marine Station. His recent publication in Science Advances, Predicted hotspots of overlap between highly migratory fishes and industrial fishing fleets in the Northeast Pacific, focuses on how vessel tracking and fish habitat models can help inform management of sharks and tunas. How do you sustainably

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albatross

The Tale of the Albatross and the Algorithm

The first-ever satellite mapping of fishing vessel behaviours has identified that very few vessels are using one of the key techniques to avoid accidentally killing albatrosses. Researchers hope a new analytics tool demonstrates that satellite data can help monitor efforts to reduce seabird mortality in fishing operations, and drive more transparency in general in the global fishing industry.

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Photo by Sweet Ice Cream Photography on Unsplash

More fishing inside, more sharks outside marine protected areas

Manuel Dureuil is a PhD student researching sharks and Kristina Boerder a postdoctoral fellow working on marine protected areas at Dalhousie University, Canada. In a recent publication in SCIENCE, Elevated trawling inside protected areas undermines conservation outcomes in a global fishing hotspot, Manuel, Kristina and a team of researchers from Dalhousie University, GEOMAR Helmholtz Centre

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Ton Bali

Global Fishing Watch 2018 – the year in transparency

After just over a year at the helm, Global Fishing Watch CEO, Tony Long, reflects on how a freely accessible and near real-time digital map of the global ocean is exposing illegal fishing and changing the rules of the game, and calls on all governments to contribute data and join the movement for universal transparency.

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rigs reef

Oil rigs alive: marine life abounds in unlikely places

There comes a time when the useful life of an oil platform comes to an end, at least when it comes to drilling for oil, and that’s when we dive in. Blue Latitudes, founded by Emily Hazelwood and myself, is a women-owned environmental consulting firm on a mission to re-purpose offshore oil and gas platforms

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Grey Reef Sharks

How can vessel tracking technology help to create true shark sanctuaries?

Darcy Bradley is a postdoctoral researcher at University of California – Santa Barbara’s Bren School of Environmental Science & Management. Her recent publication in Conservation Letters, Leveraging satellite technology to create true shark sanctuaries, examined how advancements in tracking technology can help us better understand illegal fishing activity and therefore improve fisheries management.  What do you

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fishing longline draw

Predicting the distribution of the high seas longline fleet

As the extent and diversity of ocean industries continues to grow, the international community faces the challenging task of accommodating multiple ocean uses while minimizing negative ecological impacts across sectoral industries. Oceanic fisheries have grown exponentially since the aftermath of the Second World War, however, governance, management and monitoring frameworks have not kept up. Recent

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Illegal transhipment of fish between Saly Reefer and Flipper 4 fishing vessel. Greenpeace is on tour in West African waters to address the problem of overfishing in the region. (photo courtesy of Greenpeace)

Machine learning and satellite data provide the first global view of transshipment activity

This week marks the publication of the first-ever global assessment of transshipment in a scientific journal. Researchers at Global Fishing Watch and SkyTruth, in the journal Frontiers of Marine Science, published “Identifying Global Patterns of Transshipment Behavior.” What is transshipment? Why does it matter? What have we learned and what remains unknown? Read on to

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GFW New night light layer squid fleet in the Pacific

Identification of ‘dark vessels’

Using bright lights to reveal the ‘dark’ fleet Christopher Elvidge with the U.S. National Oceanic and Atmospheric Administration (NOAA)’s Earth Observation Group writes about matching night-time imagery with monitoring data from fishing vessels to shed new light on the ‘dark’ fleet. The challenges with tracking vessels Vessel tracks from Automatic Identification System (AIS) and Vessel

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saltelite

Satellite tracking shows the economics of much high seas fishing does not add up

As the countdown continues to September’s historic first round of United Nations treaty talks on the conservation and sustainable use of marine biodiversity  in the high seas, science and technology are shedding increasingly compelling light on what is currently happening in this previously poorly understood realm. The latest in a series of reports focused on

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Darwin Islands, Galapagos

Tracking the Global Footprint of Fisheries

In the 23 February 2018 issue of Science, along with research partners at University of California Santa Barbara, National Geographic Pristine Seas, SkyTruth, Dalhousie University, Stanford University, and Google, we published a global analysis of fishing effort using AIS data. We have made our data on the vessel identity and fishing effort freely available. This post provide links to

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Ocean image

The Dynamics of the Global Fishing Fleet – Interactive

Our research paper, “Tracking the global footprint of fisheries,” was published today in Science. A key finding of the study is that fishing is remarkably non-seasonal at a global scale. What matters far more than any natural annual cycle, it turns out, are cultural and political factors: fishers in North America and Europe don’t work

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