Can We Save Ocean Fish?

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Kampachi Farms' open ocean

Kampachi Farms' open ocean aquaculture system using soy-based feed inspired me to consider if it were possible to develop a concept I call Mobile Open Ocean Multitrophic aquaculture. Each term is determinative: mobile, meaning that metabolic waste is distributed, as does Ooen-Ocean; Multitrophic means that the majority feed stocks are raised separate from but along with the crop fish. These units would have to be cheap and lo-tech enough to be made locally, and I believe there is technology that might work. It is URGENT that we change the ocean fishing paradigm from hunter-gathering to farming. It can be done.

Ford Stone more than 1 year ago

This article is full of

This article is full of misrepresentation of the sustainability of worlds fisheries.

For instance the citation that 90% of the large fish of the ocean are gone while published in 2003, has been refuted in many publications since then. FAO and others estimates that about 30% of worlds fish stocks are overexploited, not collapsed or headed to extinction. The objective of most nations fisheries management systems is to fully exploit fish stocks, so citing the fraction of stocks that are fully exploited as indicative of a problem is misleading.

Many cod stocks are very abundant and healthy - most of the patagonian toothfish fisheries have been certified by the Marine Stewardship Council as sustainably managed, the major orange roughy fisheries are within their target abundance and not overfished, red snapper is quite abundant and increasing.

Yes there are fisheries problems in the world, but most of the fisheries from industrial countries of the world are now sustainably managed.

I like other fisheries scientists are worried about illegal fishing and the growing overseas fisheries of China, but lets concentrate our effort on where there are problems and where they need to be fixed, not repeat misleading statements that are scientifically incorrect. Lets praise the fisheries management efforts in the countries that are doing a good job and add to the number of countries in that list.

Ray HIlborn
Professor
School of Aquatic and Fishery Sciences
University of Washington

Ray Hilborn more than 1 year ago

David: you must know that

David: you must know that commonly posted "information" such as "90% of all big fish are dead" has been repeatedly repudiated by scientific experts in the field. Pollock is one of the best managed and sustainable fisheries in the world. The United States through modern and good management and conservation has now reversed the conditions of all US fisheries that are now not endangered and are largely increasing. The US is a world leader in this, and many other nations independently or through international agreements are improving their management as well, and combatting IUU fishing increasingly successfully. The bad labor practices including slavery and a large number of deaths is horrendous but finally being addressed too. Piracy of all kinds, including child sex abuse and drugs and international economic fraud and crime, and many so things must be monitored and corrected as constantly as possible- very difficult as you know in many cases of powerful interests and negligent national attention, care and effectiveness. We have to keep trying. Meanwhile I love my sustainable and delicious diet of fish and shellfish! and continue to insist that our leaders and others devote much more attention to climate change and other international environmental dangers that threaten not just some fishes - it threatens us all too.

Jim McCallum more than 1 year ago

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