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Scroll through to read the most recent HFF Blogs and articles. Or click on the keywords at the top of the page to sort blogs and articles by topic.

Bryce Oldemeyer

Jun 16, 2021

South Fork Water and Weather Outlook

Photo Credit: Michelle Bliss Photography The South Fork watershed has been blessed with average to above-average water supply the last...

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South Fork Initiative Expands Education and Outreach

Dave Weskamp

Jun 16, 2021

South Fork Initiative Expands Education and Outreach

As HFF’s South Fork Initiative continues to grow, SFI staff have had the opportunity to expand education and outreach efforts. HFF...

14 views

South Fork Rainey Creek Restoration Phase One Complete

Dave Weskamp

Jun 16, 2021

South Fork Rainey Creek Restoration Phase One Complete

Top: Bridge-to-Bridge Phase 1 pre-restoration photo looking upstream towards pedestrian bridge. Bottom: Post-restoration looking upstream...

166 views

The Economic Value of Fishing in the Henry’s Fork Watershed

Jamie Powell

Jun 16, 2021

The Economic Value of Fishing in the Henry’s Fork Watershed

Anglers travel from around the country to fish the waters of the Henry’s Fork watershed, spending tens of millions of dollars within the...

26 views

James Chandler

Jun 2, 2021

HFF Monitors New Winter Fishing Seasons

Written by James Chandler, HFF intern winter-spring 2016 Survey Objectives As of January 1, 2016, Idaho Fish and Game has opened up two...

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Jamie Powell

Jun 1, 2021

Buffalo River Fish Ladder

After the construction of the Buffalo River Hydroelectric project in the 1930s, fish passage to the Buffalo River was blocked. An initial...

221 views

Bryce Oldemeyer

Jun 1, 2021

Gill Lice Study

The Idaho Department of Fish and Game and the Henry’s Fork Foundation launched a study in 2016 investigating gill lice in the Upper Snake...

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South Fork Snake River Macroinvertebrate Study 2019

Bryce Oldemeyer

May 12, 2021

South Fork Snake River Macroinvertebrate Study 2019

Highlights February 2019, we began our long-term monitoring of aquatic macroinvertebrates (insects and other creatures that live in the...

65 views

Yellowstone Cutthroat Trout Management on the South Fork Snake River (Update 2021)

Bryce Oldemeyer

Apr 14, 2021

Yellowstone Cutthroat Trout Management on the South Fork Snake River (Update 2021)

In February 2019, I wrote a blog highlighting native Yellowstone Cutthroat Trout management on the South Fork Snake River that provided...

270 views

Rob Van Kirk

Apr 13, 2021

Summer 2021 Predictions: Another 2016?

This is the 5th consecutive year I have predicted upcoming spring and summer streamflow conditions based on April-1 data, including...

5 views

Upper River Fish Habitat Research Photo Story

Jamie Powell

Apr 8, 2021

Upper River Fish Habitat Research Photo Story

Jack McLaren, HFF Doctoral Research Associate and Utah State University PhD student, led a team of HFF staff and interns this summer in...

36 views

What Do Macroinvertebrates (Aquatic Insects) Tell Us About the Henry's Fork?

Rob Van Kirk

Apr 8, 2021

What Do Macroinvertebrates (Aquatic Insects) Tell Us About the Henry's Fork?

Highlights Aquatic macroinvertebrates—insects and other creatures that live in the stream bottom—feed trout and are the basis of...

318 views

Rob Van Kirk

Dec 30, 2020

Winter Flow Shows Increasing Trend

Winter flow at Island Park Dam is the single biggest management factor determining trout recruitment in the Henry's Fork downstream of...

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Sediment Transport in 2020: What Caused the September Event?

Rob Van Kirk

Nov 13, 2020

Sediment Transport in 2020: What Caused the September Event?

Sediment export from Island Park Reservoir was 134% of average in 2020, due primarily to the highest reservoir draft since 2016. Thanks...

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Diversion and Streamflow in the Henry's Fork: Why Doesn't Lower Diversion Lead to Higher Streamflow?

Rob Van Kirk

Nov 6, 2020

Diversion and Streamflow in the Henry's Fork: Why Doesn't Lower Diversion Lead to Higher Streamflow?

Due to increases in irrigation efficiency, annual diversion in the Henry’s Fork watershed has decreased by 215,000 ac-ft (20%) since...

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High Turbidity Headlines 2020 Water Quality

Rob Van Kirk

Nov 6, 2020

High Turbidity Headlines 2020 Water Quality

Temperatures were below average and highly variable during the spring but above average for most of August and September, reflecting air...

10 views

Rob Van Kirk

Oct 14, 2020

Water Year 2020: 92% of Average Supply

Climate: Record-breaking cold in October, a generally dry winter, a 9th-inning rally that brought snowpack up to average just in time for...

7 views

Why Have Insect Hatches Improved So Much in 2020?

Rob Van Kirk

Aug 4, 2020

Why Have Insect Hatches Improved So Much in 2020?

Percent mayflies, stoneflies, and caddisflies in invertebrate samples at Osborne Bridge averaged 57% in 2019, compared with 41% during...

56 views

Predicted 2020 Water Supply Near Average

Rob Van Kirk

Apr 2, 2020

Predicted 2020 Water Supply Near Average

A cold, wet March brought snow water equivalent up to 97% of average, after it spent most of the winter down around 90% of average....

5 views

Water Year 2019: 3rd Year of High Reservoir Carryover

Rob Van Kirk

Oct 11, 2019

Water Year 2019: 3rd Year of High Reservoir Carryover

Climate: Record-breaking February snow, springtime temperature 2 degrees below average, and heavy precipitation in September. Mean...

5 views

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