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ALASKA: As local streams warm, cold water inputs could be crucial for salmon

August 26, 2021 — This particular pocket of Beaver Creek is not far from the road, just a short and muddy tromp away from a gravel parking lot between Kenai and Soldotna. But it’s home to several cold water inputs that could be crucially important for young salmon as they swim from the Kenai River to Cook Inlet.

Cook Inletkeeper Executive Director Sue Mauger said the inputs are like cold water faucets.

“They’re a little place where there’s a constant pump of colder water,” she said. “And that really can help buffer when we have those really warm, sunny days to actually have some cold water coming into the creek.”

Inletkeeper is working with the Kenai Watershed Forum and the Kachemak Heritage Land Trust to diagram those cold water spots in four peninsula creeks. The goal is to keep those creeks, and the salmon that use them, protected.

Here’s the catch — the inputs fall over a mosaic of private and city land. The nonprofits are reaching out to landowners to let them know they have something special in their backyards.

“Everyone who owns riverfront property knows they have really special habitat,” Mauger said. “Like, they know that that’s important; that’s why they bought the property, probably, is to be on the river. But to then be told, ‘You have extra special property. You have something really unique on your property’ is very exciting for someone.”

Read the full story at KDLL

Data crunchers work to build comprehensive Alaska salmon database

June 2, 2017 — Scientists are gathering temperature data to determine what warming waters mean for salmon.

There’s still a lot scientists don’t know and it’s become a hot topic.

One of the first studies in Alaska was published in the Canadian Journal of Fisheries and Aquatic Sciences this month, as  part of a larger effort to design a statewide database on all things salmon.

The five-year study collected stream and temperature readings in 48 non-glacial streams every 15 minutes to capture high and low temperatures every hour.

Cook Inlet Keeper science director Sue Mauger led the effort and has been working for over a decade monitoring temperatures in salmon streams on the Kenai Peninsula.

Her results provide a baseline for salmon habitat in the Cook Inlet Basin.

“This kind of information that’s on a large regional scale but is site specific gives us that real important tool to decide where should we do one type of protection or conservation activity versus another kind of development  project,” she said.

Mauger studied multiple streams in a single watershed, streams fed by wetlands, lakes and at high and low elevations.

All of these factors play into how susceptible each stream is to climate change, which she said is a concern.

Read the full story at KTOO

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