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DAM-L Fishnews - May 15, 2001 (fwd) salmon smolts sought: Penobscott R.
Abridged from NOAA's FISHNEWS.
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Date: Tue, 15 May 2001 13:51:18 -0400
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From: Fishnews Editor <fishnews.editor@noaa.gov>
To: fishnews@boykin.nnic.noaa.gov
Subject: Fishnews - May 15, 2001
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Fishnews for May 15, 2001
3. NOAA Fisheries Scientists Seeking Smolts
------------------------------
3. NOAA Fisheries Scientists Seeking Smolts
Earlier this spring a team of NOAA Fisheries scientists tagged and
released 170,000 young Atlantic salmon, or smolts, in the Penobscot
River in Maine. On Monday the scientists will begin trawling the surface
waters of the upper Penobscot Bay to determine how many of the stocked
fish survived their migration down river into the bay's salt waters.
Using two chartered commercial fishing vessels, researchers hope to
recapture some of the tagged smolts in a large net towed at the water's
surface. The information gained from the tagged fish will help the
scientists measure the smolts' survival rates during the first leg of
the two-year migration that will take the salmon as far as the shores of
Greenland. The team will take tissue samples from some of the smolts to
see if juvenile salmon are successfully making the transition from
freshwater to sea water and are in good condition for their long ocean
journey.
The Penobscot River currently hosts approximately 60 to 70 percent of
all adult Atlantic salmon returning to United States rivers. The 532
adult fish known to have returned to the Penobscot in the year 2000 are
less than 10 percent of the number of spawners required for a healthy
population. Information about juvenile survival rates could be useful in
making plans to rebuild healthy, self-sustaining populations of Atlantic
salmon. To view the complete news release, go to:
http://www.nefsc.nmfs.gov/press_release/.
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