Tweeting End of Season
Check out this Tweet by Rustu Yucel who used the Global Fishing Watch map to watch the close of the fishing season in Cypress this summer!
Search results for: Fishing Map
AIS Coverage – Data Coming Soon
Along with the recent release of our fishing effort data, we are also releasing information on how good AIS coverage is for different parts of the world. That is, in some parts of the ocean, an AIS signal sent by a vessel is very likely to be in our database, and in others, it is less likely […]
2024 October – What does the port visit data update mean for previously downloaded data?
In October 2024, Global Fishing Watch released two important improvements to port visit data to resolve errors. 1. Port visit data error We identified an error affecting a small percentage of confidence 4 level port visits shown on vessel tracks in our APIs and Global Fishing Watch and TMT Vessel Viewer. Some false confidence 4 […]
Characterizing Gaps in the Data
Just a few years ago the very idea of collecting billions of radio signals from ocean-going vessels all around the world and creating a global map of their activity in near-real time would have been unthinkable. But today’s cloud computing technology allows us to do amazing things with huge amounts of data.
New Data Download Portal
Global Fishing Watch is excited to announce the launch of our data download portal, a new system for accessing our data. This platform is designed to provide a more streamlined, flexible, and customizable approach to downloading our data, with the goal of facilitating more frequent data updates moving forward. The portal will be used to […]
Example of AIS Data for One Vessel Nov 1, 2016
The sample vessel track below shows position broadcasts of the Jin Sheng No.2, a Chinese fishing vessel with mmsi number 413270430. Over three weeks in March of 2015, this vessel steamed from the central Pacific to the coast of Japan, Korea, and China. While moving, a vessel broadcasts its position via AIS every 2 to […]
Spoofing: One Identity Shared by Multiple Vessels
The satellite-based Automatic Identification System (AIS) that we use for tracking vessels is a radio transmission system in which a ship sends a coded message that can be picked up by satellite and land-based receivers. The code includes
Example of AIS Data for One Vessel
This post originally appeared on our Data Blog The sample vessel track below shows position broadcasts of the Jin Sheng No.2, a Chinese fishing vessel with mmsi number 413270430. Over three weeks in March of 2015, this vessel steamed from the central Pacific to the coast of Japan, Korea, and China. While moving, a vessel […]
AIS Gaps by Fleet
AIS GAPS BY FLEET: January 1, 2017 – July 10,2017 On the maps below, each point indicates the start of a gap in AIS signals from a fishing vessel lasting more than 24 hours. [Read about our AIS gap analysis around the Argentine Exclusive Economic Zone] Number of gaps by flag state:
World’s First Legally Binding Treaty to Protect the High Seas: Landmark UN Negotiations Open
New York, 4 September 2018: Treaty negotiations to conserve and protect nearly two thirds of the ocean open today at the United Nations (UN) in what is widely regarded as the greatest opportunity in a generation to turn the tide on ocean degradation and biodiversity loss. Following over a decade of discussions at the UN, […]