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#879957 - 01/12/14 11:41 PM Mayfield Lake net pens?
Keta Offline
Repeat Spawner

Registered: 03/05/00
Posts: 1092
Does anyone here know the story on these net pens? What are the net pens used for?

https://www.votervoice.net/CCAPNW/Campaigns/32871/Respond

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#880003 - 01/13/14 11:55 AM Re: Mayfield Lake net pens? [Re: Keta]
Salmo g. Offline
River Nutrients

Registered: 03/08/99
Posts: 13521
Anglers wanted more hatchery fish from the Cowlitz basin than are programmed for Tacoma Power's mitigation hatchery system. CCA and others have advocated the use of net pens to raise additional fish. CCA was one or perhaps the main advocate for these Mayfield Lake net pens for rearing additional fall chinook salmon. I think this was in response to the largest production cuts at TP's hatchery going to fall chinook. However, the reason fall chinook were cut rather than other species, according to the advisory committee that made the recommendation, is because fall chinook return the fewest fish to the terminal recreational fishery in the Cowlitz River. Fall chinook contribute mainly to the ocean and LCR sport and commercial fisheries and very little to the Cowlitz River sport fishery.

The state Legislature has appropriated the money, and Director Anderson said WDFW just got their permits in place for the net pens, and that the eggs were already taken from the 2013 brood, so the programs is set to go this year.

It's not a bad program or a bad idea, but off all the fish that could be raised, most local anglers would prefer a stock that returned more fish to the in-river fishery for harvest. BTW, natural production of fall chinook has been on the increase in the Mayfield-Tilton area since re-introductions began, which only raises additional questions about why fall chinook were chosen.

Sg

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#880051 - 01/13/14 04:27 PM Re: Mayfield Lake net pens? [Re: Salmo g.]
Keta Offline
Repeat Spawner

Registered: 03/05/00
Posts: 1092
Thanks for the information Salmo. I assume the net pens make it easier to transport the fingerlings past the dam as apposed to collecting the free swimmers from the lake. They must have to feed the net pen fish. Is that making them similar to hatchery produced fish?

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#880111 - 01/13/14 06:00 PM Re: Mayfield Lake net pens? [Re: Keta]
Salmo g. Offline
River Nutrients

Registered: 03/08/99
Posts: 13521
Net pen fish = hatchery fish.

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#880113 - 01/13/14 06:07 PM Re: Mayfield Lake net pens? [Re: Salmo g.]
Keta Offline
Repeat Spawner

Registered: 03/05/00
Posts: 1092
That's what I thought,thanks.

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#880117 - 01/13/14 06:14 PM Re: Mayfield Lake net pens? [Re: Salmo g.]
N W Panhandler Offline
Three Time Spawner

Registered: 01/05/07
Posts: 1560
Loc: Bremerton, Wa.
Danged if you do and danged if you don't
_________________________
A little common sense is good, more is better.
Kitsap Chapter CCA


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#880131 - 01/13/14 06:56 PM Re: Mayfield Lake net pens? [Re: ]
N W Panhandler Offline
Three Time Spawner

Registered: 01/05/07
Posts: 1560
Loc: Bremerton, Wa.
Depends on whether or not she has a fishing pole handy.
_________________________
A little common sense is good, more is better.
Kitsap Chapter CCA


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#880490 - 01/15/14 01:26 PM Re: Mayfield Lake net pens? [Re: N W Panhandler]
cncfish Offline
Returning Adult

Registered: 02/24/11
Posts: 258
Loc: whale pass
are you saying hookers are not native? I would think wives would be the creation of man, and therefore hatchery... and you mark them with a ring even. I believe cave women traded favors for food way back...

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#880541 - 01/15/14 05:30 PM Re: Mayfield Lake net pens? [Re: Salmo g.]
Paul Smenis Offline
Repeat Spawner

Registered: 08/02/12
Posts: 1052
Loc: In a drift boat...
Originally Posted By: Salmo g.
Anglers wanted more hatchery fish from the Cowlitz basin than are programmed for Tacoma Power's mitigation hatchery system. CCA and others have advocated the use of net pens to raise additional fish. CCA was one or perhaps the main advocate for these Mayfield Lake net pens for rearing additional fall chinook salmon. I think this was in response to the largest production cuts at TP's hatchery going to fall chinook. However, the reason fall chinook were cut rather than other species, according to the advisory committee that made the recommendation, is because fall chinook return the fewest fish to the terminal recreational fishery in the Cowlitz River. Fall chinook contribute mainly to the ocean and LCR sport and commercial fisheries and very little to the Cowlitz River sport fishery.

The state Legislature has appropriated the money, and Director Anderson said WDFW just got their permits in place for the net pens, and that the eggs were already taken from the 2013 brood, so the programs is set to go this year.

It's not a bad program or a bad idea, but off all the fish that could be raised, most local anglers would prefer a stock that returned more fish to the in-river fishery for harvest. BTW, natural production of fall chinook has been on the increase in the Mayfield-Tilton area since re-introductions began, which only raises additional questions about why fall chinook were chosen.

Sg





As usual, thanks for sharing some interesting information with those of us not as informed or in the know. I for one greatly appreciate it.



Tyler
_________________________
YOUR MOTHER IS A TULE!


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#880543 - 01/15/14 05:44 PM Re: Mayfield Lake net pens? [Re: Paul Smenis]
Keta Offline
Repeat Spawner

Registered: 03/05/00
Posts: 1092
Why don't they raise these fish in the hatchery vs the net pens in the lake?

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#880587 - 01/15/14 10:36 PM Re: Mayfield Lake net pens? [Re: Keta]
Salmo g. Offline
River Nutrients

Registered: 03/08/99
Posts: 13521
Keta,

Hatchery is at its rated capacity. Raising more fish than programed would be inconsistent with TP's settlement agreement and FERC license, as well as its mitigation obligation. TP's mitigation fish are raised at the hatchery. These fish are in addition, so it's on the state's dime.

Sg

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#880639 - 01/16/14 11:55 AM Re: Mayfield Lake net pens? [Re: Salmo g.]
Osprey Offline
Spawner

Registered: 05/09/00
Posts: 956
Loc: Osprey Acres /Olympja
More fish is never a bad thing. Hope they can keep those Tiger Muskies out of the net pens....Os
_________________________
[/b]The less I give a [Bleeeeep!] the happier I am[/b]

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#880669 - 01/16/14 02:20 PM Re: Mayfield Lake net pens? [Re: Osprey]
gooybob Offline
Spawner

Registered: 03/01/11
Posts: 993
Loc: Tacoma
TP is simply trying to do as little as possible. It's all about the greed!

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#880682 - 01/16/14 03:45 PM Re: Mayfield Lake net pens? [Re: Salmo g.]
Keta Offline
Repeat Spawner

Registered: 03/05/00
Posts: 1092
Originally Posted By: Salmo g.
Keta,

Hatchery is at its rated capacity. Raising more fish than programed would be inconsistent with TP's settlement agreement and FERC license, as well as its mitigation obligation. TP's mitigation fish are raised at the hatchery. These fish are in addition, so it's on the state's dime.

Sg


Your insight into the details of these operations is very much appreciated.

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#880797 - 01/17/14 01:07 PM Re: Mayfield Lake net pens? [Re: Keta]
LCDRIFTER Offline
Eyed Egg

Registered: 12/16/11
Posts: 7
Im excited about the program. Maybe now well get a few fish back without adipose fins. Wild fish are great but it is nice to bonk a fish every now and then.

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#881037 - 01/18/14 10:09 PM Re: Mayfield Lake net pens? [Re: Paul Smenis]
the machinist Offline
Juvenile at Sea

Registered: 03/16/04
Posts: 120
Loc: Chehalis WA
The 2013 legislature approved funding for this project.

At the commission meeting on the 11th, that question was asked. Phil Anderson (the director) said that they had just got the permits & now everything was a go. Can't remember who, but something was mentioned that the eggs had been already taken at the hatchery.

Seems to me that why would this permiting take so long? TP was doing what they do best, stall, stall then more stall & WDFW did not push.
_________________________
Author of LeeRoy's Ramblings.

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#881101 - 01/19/14 02:26 PM Re: Mayfield Lake net pens? [Re: the machinist]
Salmo g. Offline
River Nutrients

Registered: 03/08/99
Posts: 13521
Machinist,

While TP has done an exemplary job of stalling on downstream juvenile fish passage for Mossyrock Dam, they have been pretty much on schedule for every other fish and wildlife obligation in their new FERC license. The Mayfield net pens are not a TP program, so I don't know how they could stall it.

Sg

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#881385 - 01/20/14 01:57 PM Re: Mayfield Lake net pens? [Re: ]
Salmo g. Offline
River Nutrients

Registered: 03/08/99
Posts: 13521
That's not Tacoma's decision to make. It's the utilities responsibility to provide upstream and downstream passage for all fish arriving at their dams. Period. It's the law. That said, there are practical considerations. Like, why would a fish manager send his 2 million hatchery smolts through a predator-filled reservoir and through a 95% effeiciency fishway, when they could be loaded into a truck and hauled downstream of the dam?

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#881430 - 01/20/14 06:53 PM Re: Mayfield Lake net pens? [Re: ]
Carcassman Online   content
River Nutrients

Registered: 11/21/07
Posts: 7413
Loc: Olema,California,Planet Earth
It's cheaper for WDFW to dump the fish out of the pen. Since they are "their" fish they would have to pay for the transport. Really doesn't matter what maximizes survival it is what minimizes cost.

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#893552 - 04/30/14 02:13 AM Re: Mayfield Lake net pens? [Re: ]
Daddy Offline
Egg

Registered: 04/30/14
Posts: 3
Greetings,

I am against the net pens for the following reasons.

1. Current net pen produced fish at the upstream site of Mayfield lake are notorious for producing damaged and diseased fish. The phrase "Mayfield fuzzy tailed trout" is in response to trout seen or caught that have fins either worn away from the pens and or displaying the fungal growth on the fins and backs of these raised trout.

2. Many of the raised trout are full of intestinal worms. These fish are long in size, but often thin and upon further examination exhibit open bleeding in the digestive track and cavity. Such fish that enter the food chain only exasperate the problem.

3. The location of these net pens will allow the fecal materials from these fish to enter directly into the intake flows of Mayfield Powerhouse, thus ending up at the intake of the Salmon Hatchery. Current use of the Salmon Hatchery is for the brooding of all hatchery species. Any outbreak of disease would directly effect both the Salmon and Trout Hatchery stock, across several species of fish, affecting all Cowlitz Fishery. There is no Ozone plant to treat infected waters that will come in contact with hatchery stock eggs.

4. The Cowlitz River currently has state of the art hatchery facilities for raising fish. If an increase in production is required, then do it there.

5. If for reasons unknown to me, a replacement to the existing hatchery facilities must be utilized there are two much better alternatives.

5a. Raise the fish in the area between Mayfield Dam and Mayfield Powerhouse. This area would at least allow settling of fecal materials and facilitate the natural release of fry through the existing weir system once they are ready to begin the downstream migration. This area is secure from the public, free of any other wild run to prevent cross contamination and readily available and accessible for feeding. Further, due to the natural enclosure of rocks, there is no need for net pens saving both time, money and cutting down on net abrasion sourced diseases.

5b. Develop fish passages past the falls on Winston Creek. Doing this one simple item will open more spawning beds than the whole of the Tilton River system. No feed, net pens or further labor intensive activities required. This one item is the only way to further enhance a "truly wild run" on the Cowlitz.

I believe that the resource can and should be developed further to mediate for the impacts of hydroelectric facilities, but net pens are a poor excuse for developing habitat.

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