LA Times: Peering into the murky depths, Jane Lubchenco searched for sea life, but all she saw were signs of death. Video images scanned from the seafloor revealed a boneyard of crab skeletons, dead fish and other marine life smothered under a white mat of bacteria. At times, the camera’s unblinking eye revealed nothing – a barren undersea desert in waters renowned for their bounty of Dungeness crabs and fat rockfish. "We couldn’t believe our eyes," Lubchenco said, recalling …