logo
Find us on
Twitter Facebook LinkedIn
              
logo 11/24/2024 8:38:14 AM     
Scientists use acoustic tech to track salmon and steelhead 
By Rich Hanner/Special to the News-Sentinel US Source: lodinews 5/18/2024
Rich Hanner/Special to the News-Sentinel
Credit: Scientists use acoustic tech to track salmon and steelhead
Without their knowledge, they are tracked.

There are little transmitters in their bodies, slipped inside when they were groggy, unknowing.

The tracking goes on 24 hours a day, every day. Sometimes for weeks, sometimes for months.

It is, though, all for the good.
 

This surveillance is done so fish in the Mokelumne River - and fishes all over Northern California and beyond - might survive and thrive.

Acoustic tracking, it is called. At any given time, there are hundreds of fishes swimming about with tiny implanted transmitters. As they swim, they ping out signals to an array of 400 receivers throughout the Sacramento-San Joaquin Delta and San Francisco Bay.

 
MOKELUMNE River Bass, Striped Trout, Rainbow Continue...

News Id SourceStampcountry
3401How Did A 72-Pound Carp End Up In Humboldt Park’s Lagoon? Big Catch Could Be From A Decades-Old Mistake, Experts Sayblockclubchicago2021-11-15US
3402Thai woman's bedroom turns into aquarium full of fish after heavy rainfallmashable2021-11-09VN
3403Fishing boat seized after crew caught set netting in prohibited areastuff2021-11-10NZ
3404Huge fish tracked on the James River, project will help to manage “Giants of the James”wfxrtv2021-11-11US
3405You can swim with the fish at St. Pete Beach's RumFish Grillabcactionnews2021-11-11US
3406Iran names newly discovered species of fish after Ali Daeiifpnews2021-11-15IR
3407Longtime Lorain library goldfish Nemo swims to a new home at Rainbow Babies and Children's Hospitalnews5cleveland2021-11-11US
3408Some of Earth’s longest-lived fish show how to reach extreme agesnature2021-11-12US
3409Cop26: Oceanographer Sylvia Earle calls for industrial fishing ban on high seastheguardian2021-11-10UK
3410Cambridge report recommends cutting the Riverside dam projectthe record2021-11-29CA
3411Castlewood creek popular despite E. coli levelsstltoday2010-07-27US
3412Record 21.57 pound tautog caught off Newportjohnstonsunrise2021-11-19US
3413A tiny Alaska town is split over a goldmine. At stake is a way of lifetheguardian2021-06-22US
3414Fish captured 'smoking cigarette' on camera saved before gobbling the entire thingdailystar2021-09-27UK
3415Zombie plant a threat to fish and even swimmersCBC News2021-09-07CA

133 134 135 136 of [136 - pages.]