Pacific Sleeper Shark. Photo by NOAA.
Bottom trawling is causing “boom and bust” fisheries.
A new study using the Sea Around Us’ reconstructed catch data reveals that in the past 60+ years, the practice of towing giant fishing nets along the sea floor has caused the extraction of 25 million tonnes of fish that live 400 metres or more below sea level leading to the collapse of many of those fish populations.
Catch reconstructions are not always easy to explain to non-scientists.
How did the Sea Around Us find out that overfishing has caused a steady decline in catches since the mid-1990s? What sources did researchers use? What’s the difference between officially reported figures and the Sea Around Us’ numbers?
More accurate data substantially improves fisheries monitoring and, in return, better monitoring generates better data. The overall result would be a greater protection to global fish stocks.
This is how we get #BetterData
Thai fishing boat. Photo by Sea Dave, Flickr.
Following the publication of the paper “Thailand’s missing marine fisheries catch (1950-2014),” the Sea Around Us received an email from Thailand’s Department of European Affairs. We welcome such communications and engagements with countries.
The electronic communication included a series of media statements that highlight a range of initiatives undertaken by the Prayut Chan-o-cha government to promote best practices in the fisheries sector.
Fishing trawlers in Kota Kinabalu, Sabah, Malaysia. Photo by stratman², Flickr.
Four countries in Southeast Asia have diverted almost 40 million tonnes of fish towards fishmeal production in the past six decades, as opposed to making it available for direct human consumption.
A new study by the Sea Around Us at the University of British Columbia reveals that government policies in Cambodia, Malaysia, Thailand, and Vietnam have focused on expanding their industrial fisheries and making them competitive, despite the fact that such growth may not always benefit their own countries’ food security.
Fishermen holding a net between boat and beach at Pinda, Mozambique. Photo by Stig Nygaard, Wikimedia Commons.
Countries’ improvements to their fisheries statistics have been contributing to the false impression that humanity is getting more and more fish from the ocean when, in reality, global marine catches have been declining on average by around 1.2 million tonnes per year since 1996.