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Overview Flathead Timeline Flathead History Documents
Native Fish Issues in the Flathead Watershed
You can find documentation relating to statements below in our Native Fish Bibliography
Flathead Valley Trout Unlimited:
Position on native fish recovery in the Flathead Watershed
The Confederated Salish and Kootenai Tribes along with Montana Fish, Wildlife and Parks are entering the scoping phase for a proposed project to extend and improve the Flathead Lake and River Fisheries Co-Management Plan. The Tribes and MTFWP are evaluating ways to achieve the goals of the plan including a proposal that would include fishing contests and limited gillnetting to reduce lake trout numbers and aid in the recovery of native fish.

The board of the Flathead Valley Chapter of Trout Unlimited supports a scientific and and narrowly defined process to protect and recover native bull trout and cutthroat trout populations. Current angling opportunities in the Flathead watershed for native bull trout and westslope cutthroat trout are severely limited due to past and present conditions. The board supports moving forward with an inclusive process to define future actions to restore native fishes using NEPA and Environmental Assessment strategies.

You can learn more about the proposed project and native fish issues in the Flathead Basin by reading the Montana TU FAQ: What anglers should know about Flathead Lake, lake trout and native trout (PDF).

FVTU would like to encourage you to use the information you find on these pages to advocate for native trout in the Flathead Drainage. If you would like to write a Letter to the Editor regarding the current proposal, we have established a set of tips for effective letters and ways to contact local news outlets.
Native Fish Overview
Today, Flathead Lake, the Flathead watershed and it's native fish species continue to face diverse hardships and threats from pollution, land use, invasive species, hydro-electric dam operations, a warming climate and other adverse impacts. Native bull trout are currently listed as a Threatened species under the Endangered Species Act. Westslope Cutthroat are listed as a Species of Special Concern under the ESA and by Montana FWP. Current Flathead bull trout populations continue to fail to meet Bull Trout Recovery Criteria set by the U.S. Fish and Wildlife Service.

FVTU Fact Sheet: Native Fish Issues in the Flathead Watershed

Recent Impacts on Native Fish
  • Three hydroelectric dams, on the Swan River, the South Fork Flathead River, and Kerr Dam on the mainstem affect flow and temperature regimes throughout the basin.

  • 1968: Opossum Shrimp (Mysis relicta) were introduced by fisheries managers in an attempt to increase growth rates of the once abundant kokanee salmon. Unexpected interactions between the shrimp and fish populations caused a complete collapse of the popular kokanee salmon fishery reducing fishing pressure on Flathead Lake by more than 50%.

  • 1999: Introduced Lake Trout (Slavelinus namaycush) were estimated at 200,000 catchable-sized fish (14+ inches) in Flathead Lake. By 2009, that population had more than doubled. Today the total lake trout population in Flathead Lake is estimated to be nearly 2 million fish.

  • 2006: Predaceous lake trout became established in Swan Lake, the Swan River, and in westside lakes of Glacier National Park from fish in the Middle and North Forks of the Flathead River. We are now in danger of losing many of those native fish populations due to predation by lake trout.

  • 2006: Illegally introduced Northern Pike (Esox lucius) in the upper Flathead River now number 1,200 to 1,300 fish and are estimated to consume more than 8 metric tons of fish annually, including 13,000 westslope cutthroat trout and 3,500 bull trout.

  • 2009: Native Bull Trout populations in Flathead Lake and the North and Middle forks of the Flathead River are currently estimated at less than 3,000 fish.


Flathead Lake and River Co-Management Plan
The management plan that ended in 2010 was cooperatively created in 1999 by Montana Fish, Wildlife and Parks and the Confederated Salish and Kootenai Tribes after extensive public scoping. The following management plan goals were established:
  • Increase and protect native trout populations (bull trout and westslope cutthroat trout).

  • Balance tradeoffs between native species conservation and non-native species reduction to  maintain a viable recreational/subsistence fishery.

  • Protect the high quality of water and habitat characteristics of Flathead Lake and its watershed.

The primary means currently being used to control the Flathead Lake lake trout population are general angling and the Mack Days Fishing Contests in the Spring and Fall.

The goal of increasing native trout populations and reducing non-native fish in the Flathead Basin failed to be met in any of the ten years that the recent co-management plan was in effect. Clearly additional steps must be taken to achieve the goals set forth by the co-management team.
 
Economic Impacts of Guided Fishing Trips on Lakes and Rivers
Direct economic impact of outfitted fishing trips in Montana was just over $34 million (2005 report, released in 2007).
  • 56% of all guided fishing trips take place on rivers.
  • 26% of all guided fishing trips take place on lakes.
  • 18% of all guided fishing trips take place on reservoirs (Note: Flathead Lake is not classified as a reservoir).
Click Here to download a copy of the above information in printable PDF format
 
Learn more about our native fish and the impact of recent and historical changes on the Flathead Watershed
A History of Native Fish Issues in the Flathead Basin
 
   
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