GrimmReaper
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Since it didn't start the discussion I was hoping on the main board I am reposting. I would like to see more thoughtful ideas posted from some of the steelheader.net minds. 
From the Seattle Times....Springers in the News...let the scientific speculation begin.
Bounty of small salmon creates Columbia River mystery
"Jack" salmon, small chinook males that spend only a year in the ocean before returning to freshwater to try and spawn, are showing up in record numbers in the Columbia River. Scientists are puzzled about why this is happening and what it means.
Bounty of Small Salmon Creates Columbia River Mystery
What are some of the steelheader.net Keep It Simple Stupid answers? 
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Southfork
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Grimm, I damn near came into the last post swinging a battle axe. I'm glad you reposted this. Those wanna be comedians have no clue....
That's a good question and them setting season for the lower river on the last years jack counts seams to be the wrong thing to do. By doing this you now have both the lower river sporties and commercials over harvesting a over predicted run. That's two bad things but it gets worse. Now the tribes are pissed and they can run amuck. Now what we have two entities using nets on a run that was over predicted. Yes I'm a up river guy but this is like keeping a campfire going. If you starve it for wood it'll eventually die out. They are not my fish they are ours!
My opinion would be not to open any season below Bonneville until the numbers come up to a point where you know what the run is looking like and no commercials above Bonneville period. The tribes take care of that!
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Mojo
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In season management based on actual fish, not paper fish. We've been screaming that for years. God help us if the collective F&G bastards ever listen to the " riff raff"...
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Gooose
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Joe it just isn't WDFW and ODFW that are the problem. If we go to inseason management the LRC gill netters will howl but my bet is they will be drowned out to a whisper by the howls of the NMTA, NSIA, FishNW and a host of others including of course the reknowned Salmon Mafia. Do me a favor Droolers and make them howl even louder.  
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GrimmReaper
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I agree we better inseason management. Numbers over Bonneville before anyone fishes. The details of which could take decades for all the stakeholders to come to agreement on.
Does anybody have any ideas on why the jack returns are so high?
Alan may have been on to something in the other post. Jacks are small enough to fit through all the ocean fisheries nets.
I also think that one of the federal scientists made a comment that the males take an internal assessment of themselves and decide whether to remain at sea or return to spawn. I gotta believe that such an assessment would include a determination of ocean condition trends. IE: Is there more or less feed available now or when I first outmigrated? If that’s the case then maybe all these jacks have noticed a decline in ocean conditions and feed availability.
Interesting that a higher percentage of hatchery males return as jacks than their wild counterparts. Makes one think there may be something to the changing of the hatchery food thing.
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DAWG IT (verb) - To play an entire season of a sport and remain completely defeated.
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Tally
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If we had long term data could it be just a normal, natural cycle? As the fish are spawned with the trait for males returning early, the jacks come back in number, with the adults that did not return early this year not having that trait. Therefore, fewer jacks in the coming runs.
Having said that, I absoultly do not think they should set commericial seasons based on jack numbers but on fish flesh, as they go thru the dam counting window. We have that technology, lets use it.
Not unlike wild game populations fluctuating in the wild.
I don't like nets anyway.
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GrimmReaper
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Goose, AuntyM, Trouthead. Do you guys have hypothesis on the Springer Jack Situation?
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AuntyM
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It's the hatchery food.
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Gooose
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None of the reasons I can come up with work for answering that question. It wasn't the hatchery food nor do I give netting effects much credence. Not enough data. What was the out migration timing of of the smolts that these Jacks originated from like would be one question to ask? The answer is going to be found in something very large and broad in effect.
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it's the global warming! the jacks are telling us something.
the columbian news paper had read on the jack rocket counts. there is not a biologists who has any clue as to why or what it really means. so far the native jack seem to be typical in thier counts. it's the hatch brats that seem to be jacked!!!!
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Gooose
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Release timing could be the answer then? If hatcheries aren't releasing their smolts early enough because of trying to avoid competition with wild smolts then they would tend to come back as jacks rather than adults. I know that's what happens with Coho smolts that are held too long before release.
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Gooose
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http://www.cbr.washington.edu/crisprt/info_adult.html
How they make the estimates. Digging for info on hatchery release timing. 
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Gooose
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http://rparticle.web-p.cisti.nrc.ca/rpar...mp;msno=f97-031
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Gooose
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The answer I'd go with is hatchery practices. The powers running the show may be only acting confused....I suspect they have a pretty dam good idea what the likely answer is also.
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TeXMojo
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Well, I want to see SF's battle axe so I still think it has to do with the protein in our school lunches. I know for sure it has made a difference in the high school girls since I went to school. Wholly wam Batman. LOL, Just Kidding. Goose, I wonder how much genetics goes into the hatch fish? I don't think those dudes process much more than a potato does. Can it be that the attrition rate has been much lower in the salt which leaves more of them to return along with the older gang and they tag along for the ride. Yep, Cracker, but everyone was a cracker at one time so teach me. Tight Lines.
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GrimmReaper
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Quote:
Gooose said:
What was the out migration timing of of the smolts that these Jacks originated from like would be one question to ask?
I know when I was at Drano on May 17th & 18th the hatchery Springer smolts were in the lake. They were not their May 1st or 2nd. So I know those guys were released from the hatchery sometime between the 2nd & the 17th.
When is typical native springer outmigration?
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DAWG IT (verb) - To play an entire season of a sport and remain completely defeated.
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Mojo
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Grimm, the ocean fisheries are typically troll fisheries, as salmon at sea are too spread out for an effective net fishery.
I know Idaho has been breeding jacks to 3 salt females to "spread the runs out". Apparently they feel the same gene triggers both behaviors. I still think it is because the jacks are afraid of the downriver fisheries (both net and sport) and are running for home while they are still plentiful and stealthier.
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Gooose
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http://www.spokesman.com/stories/2009/jun/07/idaho-petitions-for-more-salmon/
Salmon management on the CR just got a tad bit more interesting.
Grimm are those Drano smolts from upstream of Bonnie? 
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Mojo
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First step to a lawsuit...
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Quillback
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Idaho certainly should have the right to control the destiny of their hatchery fish, but as usual the only winners will be the law firms that make a living off this kind of stuff. Not to mention this will be yet another allocation battle. And the results might not be what you want, tribes and commies could end up getting more fish. These allocation lawsuits, no matter how well intentioned, seem to always end up in an ugly outcome for sporties and the fish.
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GrimmReaper
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Quote:
Gooose said:
Grimm are those Drano smolts from upstream of Bonnie?
Yes they are.
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DAWG IT (verb) - To play an entire season of a sport and remain completely defeated.
Taking fish to the afterlife...
"For you catch your next fish with a piece of the last"-Oliver Wendell Holmes, 1894
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