nanu's case is chronic. her days in the bay might be over. >> we want to give every potential opportunity for this animal to be out in the wild. at the same time we want to make sure we're doing the humane thing for that animal. >> officials at the marine mammal center say the number of way ward sea lessons is on the rise and they aren't sure why. they rescued nearly 1,000 marine mammals this year. the average is five to 600. >> there's issues such as ocean trash. they're entangled around the neck with netting and fishing lines, gunshot wounds. that's another one. >> disease is another reason. that's why nanu keeps turning up. the center will treat her and determine whether she needs to stay or can be nursed to health and released back to the wild. >> fisherman, lawmakers and scientists are urging state and federal officials to do more to protect california's dwindling salmon population. a meeting this weekend follows the cancellation of the last two commercial salmon fishing seasons off the coast of califor

aside from the novelty, nanu's situation is actually a serious one. >> she's been treated at other center before. right now he's just a little disoriented. we'll take him back to the center. our vet and staff will take a

nanu's case really is chronic. her days in the bay might be over. >> we want to give every potential opportunity for this animal to be out in the wild. but at the same time we want to make sure we're doing the humane thing. >> officials say the number of way ward sea lions is on the rise and aren't sure why. they rescued 1,000 mari$1,000 m mammals this year. the average is five to 600. >> the ocean trash, these marine mammals are entangled around the neck, netting and fishing line. gunshot wounds. that's another one. >> disease is another reason. that's likely were nanu turns up. they will treat her and determine whether she needs to stay and release back into the wild. >> fisherman lawmakers and scientists are urging state and federal officials to do more to protect california's dwindling salmon population. a meeting this weekend follows the cancellation of the last two commercial salmon fishing seasons off the coast of california and most of the oregon coast. a little more than 39,000 salmon returned to spawn las