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
4526Charleston angler lands monster trout from wheelchairwvgazettemail2021-02-06US
4527Fish Use 'Secret' Ultraviolet Vision To Distinguish Between Speciesunderwatertimes2010-02-28AU
4528Canal search locates no Asian carpupi2010-02-18US
4529Amid carp threat, a call to unhookwsj2010-02-17CA
4530UN Turns To Forensic Science To Help Combat Illegal Fishing; 'We Need To Push The Envelope'Underwatertimes2010-02-01IT
4531A nature walk on the Oyster River and some non-retention fishingcampbell river mirror2019-10-11CA
4532Catching Pink Salmonislandfishermanmagazine2020-08-05CA
4533Father-daughter ice fishing on the Bay of Quinte a cherished traditionThe Globe and Mail 2021-02-14CA
4534U.S. Retailer Target To Dump Farmed Salmon For Wild Alaska Salmon; 'Incredible Willingness To Challenge Old Paradigms'Underwatertimes2010-01-26US
4535Grumpy-looking blobfish in danger of being wiped out - see the picturesMirror.co.uk2010-01-25UK
4536Fish Boom Makes Splash in Oregonwsj2010-01-21US
4537White House to hold Asian carp summitupi2010-01-21US
4538African fish choose safety over sexCBC News2010-01-18CA
4539More than 200,000 descend on fishing festival to catch trout in a frozen riverdaily mail2010-01-19UK
4540Light shed on fish gill mysteryBBC News2010-01-13CA
4541Environmental Group Gives First-Time Nod to Sustainable Salmon-Farming Methodscientific american2010-01-14US
4542Three Second Fish Memory 'Just Rubbish'; Learning And Memory 'Quite Sophisticated'Underwatertimes2010-01-14AU
4543Man catches carp the weight of Kylie Minoguetelegraph2010-01-11FR
4544Big freeze and ice is 'good for pond life'BBC News2010-01-11UK
4545New Acoustic Telemetry System Helps Explain Salmon Migration; 'A Clearer, More Complete Picture'Underwatertimes2010-01-08US
4546Giant river fish faces extinction after years of overfishingthe guardian2010-01-05US
4547Michigan balks at Obama's stance in Asian carp fightcs monitor2010-01-06US
4548Man gets house arrest for fish smugglingupi2009-12-31US
4549Sawridge Creek flood study will replace one from 1993lakesideleader2020-12-16CA
4550Michigan asks U.S. to block fish invasionUPI2009-12-21CA

215 216 217 181 of [218 - pages.]