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2017 AOTY/DOTY Entry

Topic: Reluctant anglers drafted in war on fish  (Read 544 times)

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e2g

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seems kind of extreme to me, then again I know squat about fishery management
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Jason S.

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Yeah, that seems a bit extreme

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Fishgr

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Wonder what the cutthroat pushed out, way back when.
Gunga galunga...gunga- gunga lagunga.

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otolith

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Honestly, it makes sense to me. I saw this same sort of problem in a lot of Maryland's streams/rivers when I moved there. The DFG stocked rainbows and browns into most of the suitable habitat and now complain about the native Brook trout numbers declining. Pretty basic fish knowledge will tell you that Browns are more aggressive, larger and spawn at the same time in the same places as the smaller, native Brookies. Not hard to figure out what will happen. I am glad that Yellowstone is taking action, but they could also stop stocking non-native trout and replenish stocks with native strain hatchery cutthroats. That could potentially maintain catchable numbers for tourists while reducing the numbers (over time) of non native salmonids. Most likely a cost-prohibitive option though...


skunkasaurus

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Thanks for sharing!

California's taking a similar approach to avoid hybridization of the cutthroat and golden species in the East Sierras.  CA's first step is damming up the waterways to prevent non-natives from moving their way up:
http://www.dfg.ca.gov/fish/REsources/WildTrout/WT_Paiute/WT_PaiuteCutRestor.asp
http://www.dfg.ca.gov/fish/Resources/WildTrout/WT_CaGoldenDesc.asp

Looks like poisoning the waterway is not off the table for at least one species:
http://www.dfg.ca.gov/fish/Resources/WildTrout/WT_LKernGldDesc.asp