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Mexican fishermen with a catch of Corvina. Photo Credit: Silvia Yee
For many years the short, six week commercial Corvina fishing season in the Upper Gulf of California was marked by a frenzied race to fish, with as many as 600 boats in the water at the same time. Beginning in late February, and aligned with moon cycles, this species gathers in the Colorado River delta to spawn, a yearly ritual eagerly awaited by the local fishermen. And so every year, with so much fish to be had, and so many fishermen, thousands of tons would hit the market simultaneously. This drove the price down and resulted in even more fishing effort, which would even further depress prices – to values below that of a recycled plastic bottle. It was a vicious cycle that has become all too familiar in fisheries in Latin America and around the world. Scientists have long advised that, if unchecked, this way of fishing could lead to the complete collapse of Corvina, having dire consequences for a region with very limited economic alternatives. It is estimated that Corvina represents as much as 60% of all fish sold in Mexico City during this time of year, coinciding with Lent, when seafood consumption is highest.
Three years ago EDF, fishermen, and critical partners like Noroeste Sustentable (NOS), the Academy for Systemic Change, and the state and federal governments, set out to bring catch share management to this fishery to give fishermen and others a stake in its biological and economic success. Read More »
A major milestone for the recovery of European fisheries was passed this week when the European Parliament approved a much-needed reform to the Common Fisheries Policy (CFP) by a great majority (502-to-137).
The proposed reforms set strong maximum sustainable yield (MSY) targets—the catch level that can be safely taken each year to maintain the fish population size at maximum productivity. The goal of setting these targets is to allow fish stocks to recover by 2020 at the latest, and to maintain all recovered stocks at this level. Fishing vessels will also be required to land all catches; different fisheries will phase in this change over the coming years, bringing to a halt the wasteful practice of discarding fish. The reforms also call for science based decision making as a foundation for long-term fisheries management planning. And member states will be free to use transferable fishing concessions (TFCs)—known in the United States as “catch shares” – to meet the sustainability goals of the reformed policy. With TFCs European fisheries managers will be better able to reduce discards, improve fishing safety and profitability, and enhance compliance. Read More »
It’s frightening enough that 87% of the world’s assessed fisheries are fully or over-exploited. But it is even scarier to consider how little we know about the condition of most of the world’s fisheries, because four-fifths of them have never been scientifically assessed. A recent study in the journal Science is providing fresh insights into thousands of fisheries where data has not been previously available. These “data poor” fisheries make up 80% of the world’s catch — and many are on the brink of collapse.
Despite the dire news, there is a bright spot in the study. The authors conclude that the ocean is nowhere near a lost cause and with the right management tools, the abundance of fish could increase by 56%. In some places, the study says, fisheries yields could more than double.
This isn’t just a big deal for the fish. As the authors of the Science study write, “When sustainably managed, marine fisheries provide food and livelihoods for hundreds of millions of people worldwide.” So what’s the key to seeing such a rebound become reality? An approach to overseeing fisheries known as rights-based management, or catch shares.
Over the past decade, catch shares have taken hold in U.S. waters, ensuring the sustainability of about 65% of the fish landed in the United States. This is the greatest unknown policy success of our time. Don’t take my word for it — I work for the Environmental Defense Fund, a policy shop that has long championed the approach. Instead, consider the facts that helped lead the authors of the Science article draw that same optimistic conclusion.
Catch shares are a market-based management tool used in commercial fishing that, coupled with catch limits, have been successful in rebuilding fish populations while improving the efficiency and business of fishing. After decades of failed regulatory regimes, catch shares are working for fish and for fishermen. What’s unfolding before our eyes is a global behavioral economics study — one that’s delivering major benefits to people around the world.
The Gulf of Mexico red snapper fishery, for example, was on the brink of collapse in the early part of the last decade. Fishermen were limited to 52-day seasons that were getting shorter every year. The shortened seasons, an attempt to counter overfishing, hurt fishermen economically and created unsafe “derbies” that often forced them to race into storms like the boats in The Deadliest Catch.
Social change requires the harnessing of social forces, and the more powerful the force, the more fundamental the change. Moral outrage, a yearning for justice, and the desire for connection are all forces that have propelled social change movements throughout history. They will continue to fuel social change now and in the future.
But there is a very powerful force shaping the world we live in today that is not yet aligned fully with the environmental values that many of us hold, and that is the search for profit and well being through the investment of capital and labor — the profit motive. Indeed, the profit motive has prevailed time and again over countervailing forces like ethical commitments to environmental stewardship, the desire for long-term economic well being, and even over the force of government regulation.
In a previous blogpost, I summarized a recent publication that lays out a strategy for aligning the profit motive with the conservation of coastal ecosystem services like carbon sequestration, storm surge protection, and recreational value — services that are usually unpriced by conventional markets, and so become subject to degradation. The goal is to reverse alarming trends in mangrove deforestation, salt marsh dredging, and nearshore pollution by shaping markets that value these services, allowing people to do well by doing good. Read More »
This month’s ocean watch essay comes to us from theEnvironmental Defense Fund(EDF), and was written by:Dan Whittle the senior attorney at Environmental Defense Fund and director of its Cuba Program. Doug Rader, PhD, EDF’s Chief Oceans Scientist, and Violet Dixon the Marketing Communications Associate for EDF’s Oceans program.All images by Noel Lopez Fernandez.
In the waters off the Southeast coast of Cuba there’s a near-pristine coral reef reserve called Jardines de la Reina, or the Gardens of the Queen. In this national park, groupers, snappers and many other reef fish flourish, along with several species of sharks. Although many of the world’s best-known reefs face destruction in the face of global warming and other threats, large portions of the Gardens of the Queen remain remarkably healthy. Relative isolation from human influence helps make Cuba’s coral reefs unique. Protecting these ecosystems — and species that rely on them — requires careful collaboration and cooperation among managers, scientists, fishermen and local fishing communities. Well-designed marine protected areas (MPAs), combined with innovative fisheries management, are the foundation for both sustainable commercial and recreational fisheries and a thriving eco-tourism sector.
Seeing under the sea Healthy coral reefs, mangrove swamps and seagrass beds support thriving fish populations, which in turn support local fishing communities and attract ocean enthusiasts. Scuba divers come from around the world, for example, to witness the myriad of sea animals and breathtaking underwater ecosystems in the Gardens of the Queen.
On these dives, they encounter numerous species of shark including Caribbean reef sharks, silky sharks, nurse sharks and occasional lemon and blacktip sharks. Depending on the season and other factors, visitors also occasionally encounter whale sharks, the largest known fish species. Read More »
Good science should always guide policy. In the ocean, policy reflects decades of scientific work on single species and on single endpoints, like water quality. However, it is now clear that ocean ecosystems are more than the sum of their parts, and policy needs to catch up to this new scientific understanding.
Of course, we must continue to protect the aspects of ocean ecosystems that we value the most. Fisheries need catch limits to keep stocks at sustainable levels. Pollutants need caps to keep waters fishable and swimmable. Forestry and farming need best practices and standards to keep estuaries healthy. But it turns out that ocean ecosystems have tipping points – ecological thresholds beyond which they undergo dramatic changes.
Healthy and resilient ocean ecosystems function similar to the United States government’s system of checks and balances—different species do similar things but in slightly different ways, which help keep these systems both interconnected and even-keeled. However, when we reduce species populations so much they can no longer do their part, we alter the natural balance of the system, which can have grave effects.
Luxuriant kelp forests that support marine mammals and a myriad of other species provide us with various ecosystem services like seafood, agar (sugar made from kelp), recreation, and sheltering the coastline from waves. However, these habitats can turn to rocky barrens very rapidly when they reach their tipping points. We witnessed this in the 1800s when fur hunting became prevalent—decreasing the sea otter population. With fewer sea otter to consume urchins, urchins became overabundant, overgrazing the kelp and causing forests to disappear.
Fortunately, science is providing insights into the factors that make ocean ecosystems more capable of resisting these kinds of changes, and more able to bounce back when they are damaged; in other words, the attributes that make some systems more resilient than others. Having lots of species with different ecological jobs (biodiversity and niches) is very important, as is having several species doing the same job but in slightly different ways (functional redundancy). Lots of genetic diversity within species and populations is important as well. It’s a little like rocket science: rockets are complex systems that are made more robust and resilient (i.e., less likely to blow up) by building in redundant subsystems. Nature has done that one better by building in even more diversity, allowing coral reefs for example to recover from hurricanes and even volcanic eruptions that devastate human communities.
In an ocean in which the temperature, pH, currents, weather, and human uses are changing, it makes much more sense to manage for resilient ecosystems than manage for maximum sustainable yield of one species or another. Who knows what the next big impact to the ocean will be? We need to increase resiliency so that no matter what, ocean ecosystems can persist and continue to provide the many valuable ecosystem services upon which we depend. Our new paper draws on the science of ecosystem resilience and lays out a policy framework for achieving this goal.
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