Small-Scale Fisheries Have Big Impacts on Sea Turtles

 

Chief Scientist, Oceanic Society

When we think about where seafood comes from — assuming we think about it at all — we are likely to envision massive, technologically gifted boats plying huge seas in terrible weather, with gigantic paydays as their reward.

While lots of seafood does come from those industrial, large-scale vessels, perhaps 99 percent of the world’s more than 50 million fishermen operate in artisanal, traditional and subsistence fisheries, mostly in developing countries. And unlike their heavily equipped, wide-ranging cousins, small-scale fisheries operate in waters relatively close to home.

These small-scale fleets and their activities are hard to define clearly, and even harder to manage and monitor. In most countries, seemingly straightforward variables, such as number of boats, types of gear and amount of catch are nearly impossible to obtain at national scales, let alone regional or global. Don’t let the term “small-scale” fool you; the cumulative fishing effort exerted by these fleets around the world daily far exceeds fishing effort of large-scale fleets.

For example, in Peru alone there are an estimated 10,000 small-scale fishing vessels — and nearly 40,000 people fishing on those vessels. For comparison, there are more than 100,000 kilometers (62,000 miles) of gillnets in Peruvian waters, which is 14 times the length used by the Taiwanese high seas driftnet fleet in the Pacific Ocean (these nets were banned in the 1990s). In addition, 80 million longline hooks are used annually in Peru; that’s one-third of the amount used in the global swordfish industry.

Understanding the scope of catch by small-scale fisheries is challenging on its own, without even considering bycatch — non-target species that are unintentionally hooked, tangled, trapped or otherwise caught in fishing gear. Despite herculean efforts by observers and researchers around the world, the magnitude and impacts of bycatch on endangered species like marine turtles are relatively unknown for most populations, especially in small-scale fisheries.

In a new study published in the journal Ecosphere, I and a group of fellow researchers tried to get a better understanding of bycatch impacts on sea turtles by compiling all published records of bycatch and tallying rates of bycatch and mortality in different types of fishing gear for all turtle populations worldwide.

Bycatch rates and mortality were, on average, highest in the East Pacific, Northwest and Southwest Atlantic, and the Mediterranean, making these the hardest places in the world to be a sea turtle from a bycatch perspective.

Our results also pointed to high bycatch in nearshore areas and fishing gears usually associated with small-scale fishing. The most lethal gears included nets and longlines anchored to the seafloor — gears often used in nearshore areas by subsistence fishermen — which prevent ensnared turtles from reaching the surface to breathe, resulting in elevated mortality rates.

Despite being limited in how broadly and how much gear they can fish, small-scale fleets can have disproportionately big impacts. The highest bycatch rates in the world have been reported off Mexico’s Baja California Sur peninsula, where researchers estimated that as many endangered loggerheads are caught annually by just two coastal fishing communities than in the rest of the North Pacific combined.

How does this happen? The formula is actually quite simple: lots of turtles in an area + lots of fishing gear in the area = higher chance of turtle bycatch. So although loggerheads occur throughout the North Pacific, they concentrate in extraordinarily high numbers off Baja, precisely in areas where small-scale fishermen make their living.

Lots of turtles, lots of gear, lots of bycatch. And the more we learn about small-scale fisheries bycatch, the more we understand that this is relatively common.

But perhaps the most alarming result of our study was the lack of available bycatch data in several regions, including West Africa, the North Indian Ocean and Southeast Asia. These regions are known for high turtle densities as well as abundant small-scale fishing, making them prime candidates for high turtle bycatch. But it’s difficult to make that case clearly without information.

Fortunately, there are glimmers of hope. Each year, we learn more about how, where and how much bycatch is occurring. Heroic efforts by conservationists and fishing communities are exploring ways to use gear changes, innovative technology and shifts in fishing areas to reduce turtle bycatch while maintaining target catch.

Given that more than half of the world’s population lives within 200 kilometers (150 miles) of a coast, and more than a billion people worldwide, particularly in developing countries, depend on oceans — and fishermen — for their primary sources of protein, it is critical for these small-scale fisheries to be sustainable. Human food and livelihoods — as well as iconic marine species like sea turtles — depend on it.

Originally posted by Conservation International.

Dr. Bryan Wallace is chief scientist of Oceanic Society, a frequent blogger, and an advocate for the oceans. Join Oceanic Society on Facebook or follow us on Twitter (@OceanicSociety) for updates on our work.

Once Decimated U.S. Fish Stocks Enjoy Big Bounce Back

 

BY BRIAN HANDWERK, FOR NATIONAL GEOGRAPHIC NEWS

A new report highlights the success, and challenges, of fisheries management.

Two-thirds of the closely monitored U.S. fish species once devastated by overfishing have bounced back in a big way thanks to management plans instituted 10 to 15 years ago, a new study says. And fish aren't the only ones celebrating. Recovering populations can mean more revenue and jobs for some fishermen—but unfortunately success hasn't been universal.

Authors of a new Natural Resources Defense Council report said the results prove that critically overfished species can be rebuilt, even from very low levels, when Mother Nature is given a chance to recover. That's good news in a world where rampant overfishing is a critical concern.

"This demonstrates that when we trace the historic arch of these fisheries in which rebuilding requirements were put in place 15 years ago, we see real positive news. We see populations that were depleted or in decline turned around and rebuilt or well on their way to rebuilding," said principal author Brad Sewell.

"It's not 100 percent. It's two-thirds, so it's not unbridled good news but it does show the effectiveness of a law that has had its share of controversy," he added.

The study used in-depth stock assessments and other data from NOAA'sNational Marine Fisheries Service to chart the progress of stocks managed under the Magnuson-Stevens Fishery Conservation and Management Act. That law was revamped by Congress in 1996, in an attempt to address plunging fish populations around America's coastlines, mandating that stocks be rebuilt within a decade (some were granted exceptions).

The NRDC report charts progress for the 44 stocks that have sufficient population and catch data under the act and found nearly two-thirds, some 28 stocks, have now been designated as fully rebuilt or as having made significant progress toward sustainable populations. The study doesn't include species not managed under Magnuson-Stevens, those for which recent stock assessments aren't available, or those fished internationally.

Despite those omissions, the success of so many rebuilding plans has delivered an economic boon to many fishermen, Sewell said. Gross commercial fishing revenues from the 28 rebuilt stocks were 54 percent higher when adjusted for inflation during the 2008-2010 period than they were when rebuilding began.

"The system overall is working and making progress," said Galen Tromble, of NOAA Fisheries' Office of Sustainable Fisheries. "We just have to keep doing the science, collecting all the data we can, and then adjusting our management accordingly." (Related: "Entrepreneurs Fight for the Future of Fish.")

Fishery Successes and Struggles

The report also reveals some rough patches. Eight of the fish stocks evaluated have made only limited progress and eight others saw very little progress at all.

Regional trends show some successes, like the mid-Atlantic's bluefish, flounder, and black sea bass, while other species have struggled, like greater amberjack in the Gulf of Mexico.

Part of the problem, both Tromble and Sewell noted, was continued overfishing in some areas.

"We have had stocks in which we put a plan in place, but when we evaluated what actually happened we found that the stock was still subject to overfishing," Tromble said. "That's in some cases because our expectation of what our management would do turned out to be not quite right. Just assessing stocks, monitoring populations, and estimating how much can be caught is an improving science but far from a foolproof one. It's not easy to count fish in the ocean."

Fishing regulations also govern dynamic natural ecosystems that undergo their own changes—some perhaps predictable but others simply unexpected. Some struggling stocks may have been hit with environmental factors that produced several poor reproductive years that stunted rebuilding, while others may have enjoyed particularly good years over the past decade.

"Georges Bank haddock has had a couple of great recruitment years that helped it to recover," Sewell explained. "Georges Bank cod hasn't had a really good recruitment year in a few decades."

"Rebuilding plans are based on what's happened in the past, averages of estimated recruitment, growth, and other historic factors that can be projected into the future," Tromble said. "But future conditions might be worse than average over ten years and we can't force a stock to rebuild simply by reducing fishing. Conditions during that period have to be favorable."

Crashing Cod

The challenges of fishery management have been vividly illustrated in the case of New England cod fisheries, the iconic species whose alarming decline helped spur Congress to act back in the mid-1990s.

The cod that once filled New England waters and coffers have been ravaged to the point that NOAA regional administrator John Bullard said at a January meeting of the New England Fishery Management Councilthey were heading "seemingly inexorably, to oblivion."

In January the council made the controversial decision to slash cod catch quotas in an attempt to save the species and perhaps provide something for future fishermen to catch. But the limits seem likely to put many out of the business for good. Gulf of Maine cod catches will be reduced nearly 80 percent from last year's numbers for three years, and Georges Bank by 61 percent next year. As bad as those numbers sound the reality is worse because 2012 numbers were already historically low due to dwindling stocks.

Gulf of Maine cod catches that were 8,000 metric tons ten years ago will be only 1,550 metric tons over the next few years. Georges Bank cod, once 12,000 metric tons, will next year be at 2,000 metric tons.

(Related: "The Bottom Line: Changing Course for America's Oldest Fishery.")

Maggie Raymond, executive director of Associated Fisheries of Maine, said the drastic measures left many cod fishermen, processors, and other fishery-dependent businesses she represents uncertain about management efforts they haven't seen pay off.

"Fishermen in our association question the constantly changing results of fisheries science," she said. "For example, just a few years ago, fisheries scientists and managers said that Gulf of Maine cod were at the highest biomass level in 30 years. The fishing industry fished within the scientifically set quotas, and despite that compliance, today the Gulf of Maine cod population is, according to the same scientists, at a record low. This volatility in advice makes business planning very difficult for fishermen, and not surprisingly leads to frustration and some level of disbelief about the quality of the science.

"NOAA Fisheries has acknowledged that there are as yet unexplained environmental factors that are inhibiting rebuilding," she continued. "Industry would argue that increased water temperature and inflated predator populations, such as dogfish and seals, are inhibiting stock rebuilding."

Fishing's Unsteady Waters

Whatever the causes of collapse, many fishermen have been hit hard. "TheNew England groundfish fleet has shrunk significantly over the past several years, and those who remain have already made huge sacrifices and have substantial financial investment at stake," Raymond said. "Most fishermen's homes are tied to the debt, so that reality adds to the current level of anxiety about the future."

Galen Tromble stressed that any fishery includes the people in it, not just the fish, making such decisions extremely difficult. "We have a mission to provide sustainable seafood from our marine fishery resources, so we're trying to achieve balance. On one hand, conserving the resource so it's sustainable and will be there for the future, but also trying to achieve yield. We have an objective to catch fish, but not to catch too much."

Tromble said examples like Alaska's groundfish fishery show that well-managed stocks can be highly productive and yield the stability fishermen need. "Populations go up and down but they do that from a robust level," he said. "It's quite a different challenge to sustain the fishery economically when you have very low abundance levels, not capable of producing a high yield, and you're further reducing them in the short term to try to rebuild the stock."

Despite the uncertain future for New England's cod fishermen and others, NRDC's Sewell stressed how successful the rebuilding efforts have been in most other locales over a decade and a half. He noted that his organization and other conservationists hope Magnuson-Stevens won't be watered down by legislation that has been introduced several times in the past few years.

"We're hoping that as these successes become apparent that interest in weakening or modifying the rebuilding laws will abate," he said. "I hope that folks will take pride in what's been accomplished so far and dig in and finish the job."

Morro Bay, Monterey Reel in $135,000 for Fisheries

 

David Sneed - dsneed@thetribunenews.com

Morro Bay and Monterey are sharing a $135,000 grant that will help both cities protect their historic working waterfronts.

The grant is from the National Fish and Wildlife Foundation and will be used to continue long-term planning efforts aimed at creating sustainable family-owned fishing businesses in both cities.

San Luis Obispo-based Lisa Wise Consulting was awarded the contract to develop a Fishing Community Sustainability Plan for each city. Monterey’s plan will be developed first, followed by Morro Bay’s sometime later this year.

Each plan will be the subject of a public workshop in each city and each city council will have a chance to revise and adopt their respective plans. No date has been set for the Morro Bay public workshop, said Rick Algert, the city’s retired harbor manager who is leading the city’s fisheries project.

Commercial fishermen in smaller ports like Morro Bay and Monterey have struggled in recent years under increased regulations, business costs and competition from less-regulated international fisheries in addition to tourism ventures supplanting fishing businesses.

The trawl fishery along the West Coast recently transitioned to an individual quota system. There is a danger that these quotas could migrate away from Morro Bay to larger ports, Algert said.

Communities like Morro Bay are responding by meeting the public’s strong demand for fresh, locally and sustainably caught seafood. Smaller fishing towns are also responding by banding together in community fishing associations that promote efficiency and cost-sharing.

Work on these projects will be completed next year.

Read more here: http://www.sanluisobispo.com/news/local/article39422211.html#storylink=cp

Morro Bay Honored for Working to Preserve Fishing Industry

 

David Sneed - dsneed@thetribunenews.com

Morro Bay has received national recognition for its efforts to preserve its historic fishing industry.

The city is one of four coastal governments to receive the 2012 Walter B. Jones Memorial Award for Excellence in Coastal and Ocean Management. The awards are given every two years by the National Oceanic and Atmospheric Administration to honor noteworthy contributions to protecting and improving coasts and coastal communities.

Specifically, Morro Bay is recognized for its innovative work with commercial fishermen, The Nature Conservancy and other coastal communities to rebuild the town’s fishing industry in a more sustainable fashion after many of the West Coast’s fisheries collapsed a decade ago.

“In a time when fisheries quotas are being consolidated and landings funneled to larger ports, it is important to keep Morro Bay a viable working waterfront,” said Andrea Lueker, Morro Bay city manager.

Steps taken by the city and its partners to revitalize the fishing industry include diversifying gear types, experimenting with new gear designs to minimize environmental impacts and forming a Morro Bay Community Quota Fund to set and maintain groundfish quotas on the Central Coast. As a result of these efforts, the value of catches landed in Morro Bay has doubled.

One of the more controversial aspects of the effort was partnering with environmental group The Nature Conservancy, which bought all of Morro Bay’s trawl fishing fleet and permits. Many fishermen were reluctant to work with the group.

“This work has not been easy,” said Michael Bell, marine project director for The Nature Conservancy. “These leaders have faced huge obstacles in their effort to try a new model.”

The city was nominated for the award by Adrienne Harris, executive director of the Morro Bay National Estuary Program. No awards ceremony is planned as a cost-saving measure, Harris said.

Other governments to receive the national honor this year are the Port of Anacortes, Wash.; Naples, Fla.; and Plymouth, N.C.

Read more here: http://www.sanluisobispo.com/news/local/article39205419.html#storylink=cpy

Fishermen And Conservationists Work Together To Improve Californian Fisheries

 

By Bonnie Christian

In a unique partnership, conservationists and fisherman are working together to improve the sustainability of fisheries while keeping fishermen fishing.

The Central Groundfish Project, announced in California this month, works on the basis of a risk pool for fishermen, aiming to improve economic efficiency and sustainable fishing practices of fisheries.

Central coast manager of The Nature Conservancy Michael Bell told The Huffington Post that fishermen were beginning to “reach out beyond the industry for resources and plans” to help introduce more flexibility into the federally allocated quota system currently in place.

“If a fisherman harvests beyond what they have in their allocated quota account, they have to go back to shore, tie up their boats and buy more quota,” Bell said.

“The quota for overfished species is very low. Because fish are caught incidentally, this is extremely constraining and limiting. It can be unaffordable and tends to impact smaller communities first, as they lose access to their livelihood.”

“The idea of the risk pool allows fishermen to gather their quota together in a collective bucket, and in return they have to agree to a fishing plan where they collect data when they are fishing and send it back to us. We take that information and improve the plan to create more sustainable fishing practices; deciding where the best places to fish are, for example, or what the best time of day to fish is.”

The concept of the project was inspired by a similar approach of the West Coast Whiting Fishery. In March, Seafoodsource.com reported the fishery had implemented a new catch-share system where “36 vessels had formed a co-operative to pool their federally allocated shares of whiting.”

Michelle Norvell, Manager of the Fort Bragg Groundfish Association said at a press conference: “The days of the individual fisherman are nearing an end. This collective approach is really the future and we want to share this concept and model with other port communities to ensure their success.”

Bill Blue of the Central Coast Sustainable Groundfish Association said when the quota regulations were imposed and limits were introduced, fisheries started to fall apart. “The smaller, independent risk pool organizations give us hope,” he said.

Bell said that as part of conserving overfished species, or bycatch, high, medium and low risk areas will be identified and fishermen will have time limits for how long they can fish in each area. He also said fishermen were diversifying from bottom trawling and mixing in open line and trap fishing.

Lance Morgan, Vice President for Science and the Marine Conservation Institutetold HuffPost in an email: “The only way to mitigate it is to stop trawling or greatly reduce the area fished and use much lighter, modified gear that won’t drag as heavily along the seafloor.”

A recent study shows that trawling impacts soft-bottom seafloor fish in a negative manner and reduces the condition of commercial fish.” He added, “I think trying to address bycatch is an important issue, and reducing it is an important step towards sustainability. I would like to see additional measures limit the footprint of trawling and identify appropriate trawl grounds.”

Support Sustainable Seafood

 

By: Judi Gerber

Following the example of CSAs (Community Supported Agriculture), a new idea has been gaining in popularity over the past several years: a CSF, or a Community Supported Fishery.

Like a CSA, where a consumer buys “shares” from a farmer; paying up front to cover the anticipated costs of the farm operation, in a CSF, instead of local, seasonal produce, the subscriber gets local, sustainable seafood. You buy shares from a fisherman and get a weekly share of seafood for a predetermined amount of time during the fishing season.

Just as with the agricultural model, the CSF allows fishermen to get a better price for their catch and CSF subscriptions also help the local community by supporting natural resource based economies.

It not only provides more fresh fish for the consumer, but the steady, increased income allows fishermen to fish more sustainably. It does this by reducing the amount of fish that need to be caught by improving the boat’s income for the seafood that the boat harvests.  CSFs also provide transparency to consumers about the seafood production process, creating awareness of environmental and ecological issues affecting fisheries.

As the Northwest Atlantic Marine Alliance states, “CSF’s help define the importance of local food sources by emphasizing sustainable fishery practices; encouraging environmental sensitivity among fishermen; ensuring higher quality processing standards; providing a direct-to-consumer, low carbon foot-print; and ultimately, a competitively-priced, higher quality seafood experience for the consumer.”

And, just like a CSA allows people to reconnect with local farmers and the land their food is grown on, a CSF lets them connect to the ocean and build a relationship between fisherman and consumers. Subscribers get to know where their fish is coming from and who their fisherman is.

Like most CSAs, one of the ways that the CSF’s build these relationships is by providing storage and cooking tips, recipes, and newsletters to keep the community up-to-date.

There are several CSFs on the East Coast including Cape Ann Fresh Catch in the Boston area. On the California coast, San Luis Obispo’s SLO Fresh Catch is part of a fishery reform project of the Nature Conservancy and Central Cost Salmon Enhancement. SLO fishermen provide fresh fish from Morro Bay and Port San Luis to about 100 customers. Local Catch Monterey is one of the newest CSFs and is still getting organized and is hoping to offer shares starting in early 2012.

There are other CSF’s in Alaska, Maine, North Carolina, and Virginia and in British Columbia and Atlantic Canada.

To find a CSF near you, check out Northwest Atlantic Marine Alliance’s CSF listings. The site even has a search function where you can search using your zip code to find a CSF pick up location near you.

Sea Change: Deal Saves California Fishing Industry

 

By Charles Clover

12:30PM BST 05 Jun 2009

Storm clouds over California's fishing industry are lifting after conservationists struck a unique deal with trawlermen, offering to preserve their dwindling livelihoods on the condition that they swap their destructive dragnets for lines and hooks.

Roger Cullen is tired but happy. He has just unloaded 1,500lb of black cod on the dock at Morro Bay after a long night in an open boat. When he left port and steamed north up towards Big Sur, the sea along the rocky central California coast was glassy calm, the sun was beating down and weekenders were out driving convertibles, camper vans and riding customised Harleys along the spectacular coast road, Highway 1, stopping occasionally to point their cameras at formations of low-flying pelicans and elephant seals moulting on the beach at San Simeon.

But when California's Central Valley heats up, cold air from the ocean is sucked towards the land. The fog comes off the Pacific and stretches its fingers into the parched valleys of the central California coast. A brisk westerly got up as well as the fog, and Cullen and his crew of baiter and boy found themselves in horrible weather. After 24 hours of rolling about in a confused sea on the deck of their 30ft boat, Dorado, they are delighted to be back in home port – though its distinctive rock and three-stack gas-fired power station are still almost invisible in the enveloping mist. Keen to get home and sleep, they unload in 15 minutes.

Tired as he is, though, Cullen still wants to tell us about the fishing because it was really good. His catch – from baited lines with 1,200 hooks dropped into 1,800ft of water 15 miles off the beach – will gross $3,300. But he caught more than he bargained for: when he winched up the lines he found he had not only too many black cod but also a by-catch of thornyheads, all of which the rules say must be released alive. Unhooking fish and returning them drained more energy out of the two men and the boy. Cullen is still in good humour, though. 'It's nice to have a day like that. There's such abundant resources out there that it amazes me.'

It wasn't always so. Like so many other fisheries in the world, the United States' west coast has been through a bad patch. Poor management and overfishing means incomes are down $60 million a year from their peak in the 1980s. Unlike many collapsed fisheries in the world, though, west coast stocks have begun to come back. Partly this is the result of US federal law, which imposes science-based catch limits and closures to protect fish habitat – unlike the EU's Common Fisheries Policy, which pays scant regard to scientific advice and for which protecting fish habitat is so far an alien concept. Partly, around Morro Bay, halfway between San Francisco and Los Angeles, the recovery is the result of a further initiative: a partnership between fishermen and the world's largest private conservation group, the Nature Conservancy.

In 2005 the conservancy (TNC as Americans call it) bought trawlers and trawl permits from willing sellers along a 5-6 million-acre stretch of California's central coast. A condition of the purchase was for the conservancy and trawler owners to agree to the protection of 3.8 million acres of 'essential fish habitat' in the region; and jointly recommend that action to federal regulators. In 2007 TNC leased the permits back to fishermen provided they fish with more selective and benign gear, such as hooks or traps. This has drastically reduced the by-catch of unwanted fish, left more juveniles in the sea, and protected the bottom habitats of corals and sponges that are often crushed by trawling. It is the first conservation buyout of its kind in the world. If it proves viable for Morro Bay's fishermen, it could work in other places, perhaps even in Europe.

Conservationists at Monterey Bay Aquarium, a beacon for ocean conservation 100 miles up the coast, say the Morro Bay deal owes a great deal to the character and temperament of one man.

Chuck Cook is a long-time conservancy hand who cut his teeth in the battles over damming the Little Tennessee River in the 1970s. He championed the snail darter, an endangered fish, against the might of the Tennessee Valley Authority, which wanted to destroy its habitat to build the Tellico Dam, the 41st dam on the river. The snail darter was the first test case under the US Endangered Species Act. Cook and the local conservationists won the day in the Supreme Court, but they were routed when Senator Howard Baker put a rider on a budget Bill exempting the dam from the legislation. The dam was built.

'It was my first hardball lesson in politics,' says Cook, who talks with a Tennessee twang. Cook drives a Jeep, shoots quail, fishes for trout and bonefish, and calls himself a hillbilly. His wife, Marty Fujita, an ecologist who did her post-doctorate work at Harvard, seemed to concur when I visited them at their home in the native oak woods of Ojai, in the hills above Santa Barbara. 'Chuck's a good ol' boy,' Marty said, with only the faintest hint of irony.

The Nature Conservancy is a private charitable organisation that is known for its use of science, its non-confrontational methods and its belief in land acquisition. It has assets of about $4 billion, much of that comprised in its portfolio of conservation lands, funding that comes from its one million members and private donations – and has offices in 50 states and 36 countries. Chuck Cook was instrumental in some of its deals. As the director of TNC in Tennessee, he bought 25,000 acres of bottom-land hardwood forest in the Mississippi River Delta for the conservancy. He bought Matagorda Island in Texas, the overwintering home of the endangered whooping crane. He bought 780 acres of Palmyra Atoll in the northern Pacific and, as a condition of purchase, TNC persuaded the Clinton administration to create a marine reserve 12 miles around it. That is part of the tropical marine complex George W Bush enlarged at federal expense in his last days in office to create the largest marine reserve in the world.

Cook found himself the director of TNC's coastal and marine programme at a critical time when commercially targeted groundfish stocks on the west coast were declining rapidly. Trawlers landed 280 million lb of groundfish – bottom-living fish – in 1982 along the west coast from Washington to California. By the late 1990s, catches were a quarter of that. Then scientists realised that they had underestimated the damage trawling had inflicted on some of the most vulnerable species among the commercially caught rockfish, which make up 60 of the 90 west coast groundfish species. Most vulnerable were the yelloweye rockfish, a species that reproduces slowly and has been found to live to 118 years old, canary rockfish, darkblotched rockfish, boccacio, Pacific Ocean perch and cowcod. In 2000 the secretary of commerce declared west coast rockfish fishery a disaster – which meant stocks had sunk to less than 10 per cent of their pre-exploitation abundance, as the New England cod had in the 1980s.

Cook had often wondered how you might make the kind of acquisitions in the ocean that TNC had made on land. 'Nobody had ever done it, but it seemed like it could be done,' he says. The catalyst came in 2005 when another environmental group Oceana, took the government to court for failure to protect the rockfish essential habitat – something that can happen in America but not in Europe, where citizens groups lack legal standing. As Cook puts it, 'You Europeans may be ahead of us when it comes to climate change and genetic modification, but on fisheries you're still in the Dark Ages.'

The judge declared that the regulators had to protect the most important breeding and feeding areas for depleted rockfish throughout the west coast. So the National Oceanic and Atmospheric Administration created and began to enforce a rockfish conservation area, a thin strip covering all the water from 30 to 150 fathoms along the coast, together with a series of marine protected areas to conserve other habitats from trawling – again, several years ahead of what we are doing in Europe.

Conservationists feared the side-effect of all this red tape would be to push fishing effort down the continental shelf and into deep-water habitats that had never been fished, such as the Davidson Seamount, which lies in deep water off the coast. 'We were afraid the fleet was going to drop off the shelf into the virgin habitat,' Cook says. 'The conservation community's idea was to freeze the trawl footprint.' That meant keeping fishing where it was, but making it less damaging.

But conservationists didn't have much purchase on the way things worked in the regulatory arena. The seats on the body that manages the west coast fisheries were packed with industry participants. It seemed that the people who had the most stroke at that time were fishermen, permit holders, fish buyers, processors and government reps. So, Cook asked, where was the idea of public trust? It was then that the conservancy asked itself, why don't we acquire some permits and then we would be a genuine participant in the fishery? The conservancy went out and persuaded three major foundations – David & Lucile Packard, Marisla (Getty oil money) and Gordon & Betty Moore (co-founder of Intel) – to bankroll acquisitions. Later, when the conservancy begin redesigning fishing permits in Morro Bay to reduce the incentive to overfish, it did so with the help of the University of California, Santa Barbara, which had been funded by a grant from the Paul G Allen family foundation – the co-founder of Microsoft. There is money for new ideas in California.

The conservancy and its scientists met the owners of 22 trawl permits on the docks at Morro Bay to explore a private buyout. Cook went armed with maps from vessel-monitoring systems, which have to be fitted by law, showing trawl tracks as red lines. He also had a map of the key seafloor habitats and biodiversity that TNC wanted to protect. The trawlermen's interest was sharpened by the knowledge that their businesses, based on high volumes of low-value fish, were struggling. They were also nervous about the prospect of further federal regulation if they could not agree on areas of habitat that could be protected.

'What got them in the room was the prospect of selling their fishing assets and taking those proceeds to reinvest into another livelihood,' Cook says. 'The fishermen thought they had a better chance of striking a fair deal with TNC that both preserved their critical fishing grounds while protecting key fish habitat. There was lots of tension. No one knew what the outcome would be.'

The conservancy bought seven permits and four trawlers, two of which were demolished. The cost of that, as well as staff, legal and acquisition expenses added up to about $3.8 million. Since that agreement, TNC has purchased a further six trawl permits in nearby Half Moon Bay.

Michael Bell, who has taken over the second phase of the project, says, 'When TNC bought a bunch of permits, the reaction was, what the hell is going on? Big Green owns part of the fishery. The attitude changed when we actually started catching fish on our permits. They realised we were not scared to fish.'

With the aim of exploring the benefits associated with selective fishing gears, TNC let out new 'experimental' permits to fish with hook and line in the areas where trawling was banned. They also let out one permit to trawl – for petrale sole and Dover sole, species that cannot be caught by other methods, in an adjacent area with a sand and mud bottom. Local fishermen began to think maybe the greens weren't so bad after all.

Over the past three years, TNC has developed bonds with fishermen such as Roger Cullen. He was initially sceptical, but likes the idea of getting access to fish that no one else may catch. And he supplements his income by doing scientific survey work monitoring marine reserves, work arranged by the conservancy. He shares TNC's ambition of developing a high-quality, low-volume market for line-caught fish.

Cullen sells some of his fish to a local processor that supplies Bon Appetit, a conservation-minded company that in turn supplies the Google campus in San Francisco. There is a growing demand for local, high-quality, sustainably produced fish.

Americans tend to favour fish that doesn't taste too fishy. So, ironically, there is little demand as yet for another conservation success story, the Californian sardine, which has returned off Monterey after collapsing in the 1940s and 1950s. But black cod, or sablefish, is at no such disadvantage. It is the staple of west coast Japanese and fusion restaurants. The only complaint of Mark Tognazzini, who owns Dockside and the Fish Market, two restaurants on the quay at Morro Bay, is that the local fishermen won't save enough for him. He cooks a mean black cod in teriyaki sauce when he can get it. Fishermen are inclined to sell their whole catch to one processor. This does not make for harmony on the dockside.

Brett Cunningham is a 43-year-old third-generation fisherman whose relative youth makes him stand out in an occupation now dominated by older men. He is a strong supporter of the conservancy's new low-volume, high-value business model. He thinks Morro Bay will have its own premium label for sustainable fish one day. He came into hook and line fishing via lobster fishing, diving and sport fishing, so he is used to being selective. He says he once went out on a trawler and was silently horrified by the cornucopia of fish species that spilt on to the deck, many of which went back over the side dead. The skipper said, 'Hey, the by-catch isn't too bad today.'

Both Cunningham and 63-year-old Eddie Ewing, a fisherman playing guitar at the Dockside this Sunday afternoon, hope the partnership with the conservancy is their route to more fish – through the re-opening of the rockfish conservation areas to selective fishing gear. To my surprise, Michael Bell doesn't rule that out. He says TNC may be interested in helping with research on how to inflict least damage on habitats and targeting less vulnerable species. He is keen on anything that strengthens the viability of selective fishing.

There is a wider range of opinion on the dockside about the latest proposal causing turmoil in the industry: the introduction of 'catch shares' – or individual transferrable quotas, such as they have in Iceland or New Zealand. These give fishermen a total tonnage they can catch and total flexibility as to when they can catch it. Some, including Rick Algert, the harbourmaster with a huge droopy moustache, are worried about the quota being bought up by a few big companies based further north, leaving Morro Bay with no fishermen. Algert persuaded the city of Morro Bay to subsidise the fish dock through the bad times. So he doesn't want the fishermen to leave now the fish are coming back.

But Cunningham thinks catch shares are an excellent idea. He says catching fish now is easier than it has ever been but he is scared to catch too many. Under the current open-access arrangements, he is allowed to catch 1,500lb of black cod a week. If he catches any more he has to put them back, a time-consuming business on a rolling boat. With catch shares, he would own a share of the fish available and he could plan to catch that with the minimum expenditure of fuel and at a time when fish prices were theoretically at their highest. Michael Bell is also optimistic, but says there is a lot of talking to be done before he can be reassured that catch shares are compatible with selective methods and will keep fishermen in Morro Bay.

For both Algert and Cunningham the ultimate test of the new kind of conservation-based fishing that TNC has brought into being is whether young people take it up again as a career. Cunningham says, 'I would judge the success of all this stuff when I see new entrants [to fishing] coming out of Morro Bay high school. Right now, everyone else is old, I'm young and naturally sad.'

For Chuck Cook, the questions are more philosophical. Can this new fishing partnership between a charitable organisation and fishermen be financially self-sufficient without regular transfusions of dollars from Silicon Valley philanthropists? It is always possible, he muses, that the philanthropists might want to go on helping the conservancy and local fishing communities to bank fishing permits, and sharing the cost of research and monitoring, for they will acquire more tangible benefits for marine species than they would get any other way. It could even be a model for fishing in the future – in theory, even in Europe. As Cook would say: nobody's ever done it, but it seems like it could be done.

'The End of the Line', a film based on the book of the same name by Charles Clover, has its British premiere at 50 cinemas on June 8. For details, visit https://streamingmoviesright.com/us/movie/the-end-of-the-line/