Posts Tagged ‘Native Fish Runs

27
Oct
11

Best Intentioned Management vs. Wild Fish

“We measured lifetime reproductive success of the first two generations of steelhead trout that were reared in captivity and bred in the wild after they were released. By reconstructing a three‐generation pedigree with microsatellite markers, we show that genetic effects of domestication reduce subsequent reproductive capabilities by 40% per captive‐reared generation when fish are moved to natural environments. These results suggest that even a few generations of domestication may have negative effects on natural reproduction in the wild and that the repeated use of captive‐reared parents to supplement wild populations should be carefully reconsidered.”   Hatchery Impact on Wild Fish via Native Fish Society  

Tweaking them, counting them, milking them, dumping them, tagging them, 'managing' them.

Weakening The Gene Pool

 

26
Oct
11

Condit Dam Removal Project…Boom!

A significant event in the Pacific NW….the removal/breach of a dam on the White Salmon River. Visit the White Salmon River Time Lapse Project.  This is a work in progress, a bit different than the removal of Marmot Dam. Add’l info at Andy Maser’s Blog

Condit Dam/White Salmon River, Washington (Andy Maser)

15
Oct
11

Pebble Mine: John Snively, CEO/Pebble Ltd. Partnership

INTERVIEW: JOHN SNIVELY BY MONICA TRAUZZI RE PEBBLE MINE 

Robert & Mihaela Vicol

20
Sep
11

Asian Carp Invasion

Asian Carp TV on the Illinois River

29
Aug
11

Sturgeon: Another Anadromous Fish

Salmon and Steelhead often dominate the discussion of ocean going fish and habitat considerations inland. That other pre-historic like creature fits into that ocean going circle also..the sturgeon. There are several dozen species of sturgeon around the world. The Western U.S. has these behemoths in several rivers. I recall standing gazing down on the Snake River near Hells Canyon dam at first light. The amazing sight of a giant sturgeon leaping from the water and landing on its’ side broke the morning silence. Dare I say, sturgeon tastes amazing!

Green Sturgeon Range

Sturgeon Restoration Projects, Pacific NW

COLUMBIA RIVER STURGEON RECOVERY EFFORTS

25
Aug
11

Climate Models & Cutt’s

I glaze over any more with the mish mash of models, ‘mights’, ‘maybe’s’, ‘could’s’ and I am skeptic, yes I use that word..skeptic, over the agenda’s of a few climate change advocates or the pre-conceived outcomes many studies show. This Western study has some typical model suggestions and vagueness, but it  ultimately leans heavy upon habitat enhancements as the only probable salvation for Western trout. The in your face man made infringements upon the water and edges of the waters is most critical at all times. Floods, volcanoes, run off, droughts….’maybe’. Improved models? Really? 

WESTERN TROUT WELLNESS STUDIES AND HABITAT NEEDS   

Cutthroat Trout fishindex.blogspot.com

11
May
11

McKenzie River (Oregon) Environmental Assessment of Flows

McKenzie River (Oregon)

This is an interesting study on the McKenzie River drainage, a significant tributary of the Willamette River. The report is informative re data collected, comparisons made and how it could be applied to other rivers by the Department of Interior. The Nature Conservancy was also involved in the study.

Key Elements

• This report presents the results of a study that is part of the Nature Conservancy Sustainable Rivers Project begun in 2002 in partnership with U.S. Army Corps of Engineers.

• The study objective was the creation of an environmental flow framework for the McKenzie River basin, Oregon, necessary to sustain aquatic and terrestrial ecosystems.

• The goal of this report is to provide a hydrologic, geomorphic, and ecological baseline assessment for basin stakeholders.

The McKenzie River Study




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