Research and analysis

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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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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Wei Zhou, ocean campaigner at Greenpeace East Asia’s Beijing office

Understanding the Impacts of the Chinese Fishery Moratorium

Wei Zhou, ocean campaigner at Greenpeace East Asia’s Beijing office, used Global Fishing Watch to understand the impact of recent changes to fisheries policy in China on the extent of fishing in the Chinese EEZ.  On September 16, 2017 at noon, over 10,000 fishing vessels based in Zhejiang and Fujian Provinces in China headed out to start

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university of exeter

The Missing Data to Help Protect Seamounts

Chris Kerry, a researcher at the University of Exeter in the UK, is using Global Fishing Watch gridded data to understand if seamounts are targeted by fishing vessels and if fishing activity is linked to any specific seamount characteristic. Seamounts, or undersea mountains that rise from the ocean floor, create an environment rich with biodiversity. Yet little is

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Picture

Is banning transshipment necessary to diminish illegal fishing?

Christopher Ewell was an undergraduate student at New York University when he authored a publication on transshipment with Global Fishing Watch’s report, The Global View of Transshipment: Preliminary Findings, as an important source. Is banning transshipment necessary to diminish illegal fishing? It is according to a recent publication in Marine Policy, titled Potential ecological and social

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