KACHEMAK BAY, Alaska - Brenda Konar shoots an anxious glance over her shoulder but keeps chiseling. The Pacific Ocean hasn't gone away. In fact, it's gaining on her.
Wedged between slimy boulders, the marine biologist hacks at the crusty stuff clinging to the ragged shoreline of the Kenai Peninsula. Frigid seawater seeps through the duct tape patch on her rubber waders. Her knuckles bleed.
Soon, the world's second-largest tides will submerge this speck called Cohen's Island, 250 miles southwest of Anchorage.
"We're in so much trouble," Konar mutters into the wind and rain.
Halfway around the world, Mike Vecchione shudders as Russian deckhands slap the metal hull of his tiny submarine. In any language, that echo means "Good to go!"
To where? Two slow, dark miles to the bottom of the North Atlantic, to a spot disconcertingly named the "Charley Gibbs Fracture Zone." The pressure down there would crumple a truck.
The Smithsonian biologist curls on a cushion as a crane dangles his vessel over the ocean like a drip from a faucet.
"I can't believe I'm doing this," he whispers.
From pole to pole, in virtually every ocean, scientists from two dozen nations are wrapping up preliminary field studies. Together the studies will serve as the foundation for the most extensive project of its kind - the Census of Marine Life.
The census seeks a fundamental understanding of all life that relies on the largely unexplored seas covering most of Earth, increasingly beleaguered by pollution, overfishing and climate change.
This unprecedented field guide to millions of species is supposed to be completed in 10 years. It could cost as much as $1 billion, much of it funded by the Alfred P. Sloan Foundation and governments.
It's a staggering budget. But it's a fraction of the $55 billion seafood trade or what it costs to clean up a major oil spill.
For sheer grandiosity, the census rivals the Digital Sky Map, another Sloan project seeking to pinpoint 100 million celestial objects in one-quarter of the entire night sky.
In some ways, the marine census is even more ambitious. Certainly, it's riskier.
Biologists must contend with the same hazards that sailors have been dodging since Odysseus tempted Poseidon's wrath - hurricanes, sharks, icebergs, shoals and riptides. And sinking boats and busted equipment.
The census is divided into seven topics. Besides Pacific shorelines and the North Atlantic sea floor, scientists are examining the Gulf of Maine, hydrothermal vents, coastal salmon runs, the worldwide habits of large fish and mammals, and animals of the abyss.
That tsunami of raw information will go into an open database that researchers everywhere can use, similar to the Human Genome Project.
"We're asking scientists to think beyond their own quarter-mile of beach," said Ronald O'Dor, a Nova Scotia squid expert who has moved to Washington to coordinate the census. "We don't know what we'll find. We don't even know what we are looking for."
Scientists expect the census will shed new light on Earth's fundamental processes, like evolution and climate. But others expect it will serve more practical purposes.
Environmentalists will use it to identify threatened species and locations for marine parks.
Fishing and shipping interests believe the observations will make them more efficient - and profitable.
And bio-prospectors hope the census will yield a bounty of new materials and compounds, ranging from medicines to industrial adhesives.
The census begins in earnest at a time when the ocean's bounty suddenly appears alarmingly skimpy.
Large fish have been depleted by 90 percent since World War II, and new fishing grounds are finished within 15 years by industrial fleets that use sonar, spotting planes and nets stretching 50 miles.
Their methods do not distinguish between adults and babies, and they unintentionally kill millions of other creatures, including 1,000 whales, dolphins and porpoises per day.
Often, undersea habitats are destroyed, permanently dimming recovery hopes.
Yet until the census' preliminary studies, nobody could describe with certainty where fish go or the places they live.
"People think of space being the final frontier, but most of our planet is very poorly known," Vecchione said. "You can't protect something that you don't understand and you can't use something that you haven't inventoried."
So far, the most startling results have come from the fish-taggers.
Biologists attach digital instruments to the backs of the oceans' most athletic swimmers and fearsome hunters. Known collectively as pelagics, these sharks, tuna, humpback whales, elephant seals, Humboldt squid, even sea turtles are tracked by satellite on their mysterious journeys.
Early data from 700 Atlantic bluefin tuna demonstrate that fish from different regions commingle freely during migrations ranging from the Texas coast to the Mediterranean.
The results smash assumptions that bluefin populations never mix and that fleets can intensively harvest particular regions, such as the Flemish Cap off Canada, without harming stocks throughout the hemisphere.
The stakes are huge. Globally, 3 million tons of tuna are processed annually. A single bluefin weighs more than an NFL lineman and fetches $175,000 at Tokyo's seafood market.
But the bluefin population has been plummeting since the 1980s. International commissions already are using tagging data to establish more restrictive quotas worldwide.
Beginning this fall, scientists will begin tracking thousands of additional pelagics to address broader scientific questions, as well as conservation and commercial concerns.
Among them: In the vastness of the oceans, does marine life scatter or does it behave similarly to terrestrial life and congregate?
Early tagging data suggests some surprising similarities.
"There are hints of shared corridors that different animals are using and places they will loiter, like watering holes," said biologist Randy Kochevar of the Monterey Bay Aquarium.
Tagging also reveals that pelagics are phenomenal divers, giving them a range across environments far greater than land creatures.
It raises the question of whether latitude and depth determine species' distribution as latitude and elevation do on land.
Tags show great white sharks leave California for Hawaii, often diving more than 2,000 feet.
But none would follow Vecchione nearly 10,000 feet down to the Charley Gibbs Fracture Zone.
He scrunches against a tiny porthole to watch bizarre, gelatinous creatures of the Very Deep drift by.
The orange-and-white subs are circa-Gorbachev, with arthritic robot arms and interiors so cramped that the passenger can't sit or stand. While the pilot sits at the controls, the passenger must perch behind him on a narrow shelf. Condensation from their breathing drips from the metal ceiling.
A dive lasts more than 12 hours, including long stretches in utter darkness to conserve battery power. Occasionally, the path is weirdly marked by the pink and blue fireworks of bioluminescent phytoplankton.
Vecchione's sub drifts down sheer cliff faces and crests lava hills. It's a Precambrian aquarium teeming with life forms that emerged 600 million years ago.
Sampling it is dicey because the creatures' fluid-filled body sacs often explode. So Vecchione relies on video.
Vecchione's reconnaissance will keep him busy all winter identifying "mystery animals." But it's bad news for fishing boats that must venture ever further.
"The bottom is even rougher than expected," he reports. "It is not at all trawlable."
In Alaska, shoreline studies by Konar and her research partner, Katrin Iken, wrestle with the opposite problem: too many samples.
The ferocious tide peels back Kachemak Bay's dreary gray veil to reveal a psychedelic '70s world.
The rocky bottom is a lush shag carpet of glistening emerald algae and draperies of rubbery brown kelp.
Gold and purple starfish sway like medallions. Clam and oyster shells crunch underfoot like spilled party snacks.
The University of Alaska biologists laboriously sample Cohen's and Elephant islands in the bay with the help of a dozen students. They have already completed surveys at Kodiak Island, Prince William Sound and the Beaufort Sea above the Arctic Circle.
Others will use similar methods to examine shorelines in Russia, Japan, Thailand, Chile and Antarctica.
Shorelines are the most dynamic zone of the unknown marine environment. Beaches erode, rivers pump in fresh water and nutrients, storms pound and tides rip. Entire communities of plants and animals can change every few feet.
During high tide at Kachemak Bay, Konar and Iken scuba-dive about 30 feet down to where life always is submerged. "We pull up laundry bags full of kelp," Konar says.
From tagging data, they already knew that elephant seals swim to Alaskan kelp forests all the way from San Francisco.
At low tide, the steep slopes of little islands are exposed throughout the bay. They reveal distinct layers - barnacles and mussels up high, followed by red algae, brown algae and the crown of the kelp.
At each layer, the biologists isolate sections of exposed rocks with a square-meter frame of white plastic pipe. Iken photographs each square.
They kneel and count every living thing inside the frame.
Barnacles hiss and crackle, squirting bitter mucous in the women's faces.
Lime-green sea "cockroaches" skitter away. Blobby little tunicates - perhaps the simplest life form related to humans - cling tenaciously for the rising tide to rescue them.
The women scrape all of it into a pail, then repeat the process dozens of times. They persist through rain and spitting ice. Their chiseling echoes like gunfire.
In the bay, charter boats groan with 400-pound trophy halibut nicknamed "barn doors." Humpback whales sing and skyhop. A sea otter sculls by, munching a sea urchin. He's gray-whiskered and big as a retriever.
None of them count in the shoreline census. "Not unless they swim through a meter-square," Iken explains.
There are surprises, even if they aren't exactly IMAX-worthy.
"Holy cow!" Konar yelps. "There's 20 sea cucumbers and 10 starfish under this rock."
Within minutes, the tide and the storm swallow their sites. After a punishing boat ride back to the mainland, the real census work begins.
Late into the chilly night, Konar and Iken record their catch under the glaring lights of a laboratory shed. Much of it resembles what's rotting at the bottom of your refrigerator. The women keep the door and windows open, and their coats zipped.
"I'm not separating the little soranthera from the odonthalia," Konar scowls, flicking at a stubborn seaweed shred on her sleeve.
Iken dumps another pail of Kachemak salad on the table, giggling.
Hours drag. A scratchy clock radio plays oldies.
"I like the big picture," Iken says, waving tweezers and spinning her census dream. "I want to compare this with a site in California. And Chile.
"And did you know that nobody is working on gelatinous bioplankton?"
Konar nods. At her elbow rest 20 more buckets.
Through the open door, they can hear the tide racing out again.
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