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Kelt Tracking Program 2008-2009- Updates

In 2008 and 2009 the Miramichi Salmon Association in collaboration with the Atlantic Salmon Federation started a kelt tracking program on the Miramichi.

The purpose of this program is to understand the migration paths of kelts, from the river to the ocean and back again, and to determine what temperatures and depths kelts prefer to migrate through.  In addition, we will be able to determine how long individual kelts spend in the ocean and conclude how far consecutive spawners go to recondition.  Also we may be able to pinpoint possible sources of mortality for kelts as they make their way to and from the ocean.


Kelt Biology

What is a kelt?

A kelt is a salmon that has spawned the previous fall and over-wintered in the river

 

Mature adult Atlantic salmon spawn in the fall and over-winter in the river.  In spring after the ice melts, the kelts feed heavily on smelts and migrate out of the river between ice out and the end of May.  On the Miramichi River, 15-20% of the Atlantic salmon will return to spawn again, termed repeat spawners.  These repeat spawners are typically larger than maiden fish that have never spawned, and make up between 25-40% of the eggs deposited in the river. Within these repeat spawners there are two groups of fish; alternate spawners which spawn ever second year and consecutive spawners which spawn every year.

V16codedtag.JPG
Transmitter that is inserted into the fishes abdominal cavity

Tags

The tags that are inserted into the body of each allow us to track the fish as they pass the receiver.  The tag sends out an acoustic ping at a set delay.  When the tag gets within range of the receiver the receiver records the unique tag ID number which identifies the fish, as well as the time and date of the encounter.  Some tags are equipped with the ability to measure temperature and pressure and this information is also collected by the receiver.  The tags used for this study have a battery life of approximately two years.  This means that we will be able to track the salmon as it exits the river and when it comes back again, up to one and a half years later.

Fishermen helping to angle kelts on the Northwest
keltanglers.JPG

Tag Insertion

Kelts were angled and brought to the surgery area in a tank supplied with oxygen.  Once the surgery was ready to commence the fish were anesthetized in a solution.  A small incision was made in the abdomen of the fish and the transmitter was inserted into the abdominal cavity.  The incision was sutured closed and the fish was held in a recovery tank to ensure recovery.  Surgery typically took around 6 minutes and all fish recovered fully and were released after 2 hours.
 
 
 
 
 

Salmncloveoil.JPG
Kelt being anesthetized prior to surgery
surgerytag.JPG
Inserting a tag into the abdominal cavity

Surgery.JPG
ASF biologist Steve Tinker sutures the incision closed

SalmonreleaseontheNorthwest.JPG
Master's student Keelan Jacobs releases a kelt back into the river after it has recovered

Preliminary Results 2008
Overall 50 kelts were angled and tagged over an eight day period, from May 7 to May 14, 2008 on the Northwest and Southwest Miramichi.  Forty-one kelts were tagged on the Northwest Miramichi, near Red Bank, because the angling was better during the time when the tagging took place.  Nine kelts were tagged on the Southwest Miramichi in Quarryville.  The surgery typically took around six minutes and all fish recovered fully. A range of fish sizes were tagged, with the smallest being 21 inches (1.8 lbs) and the largest being 35.5 inches (8.5 lbs).  Twenty five of the fish were female, twenty one were male and four were of unknown sex.  Thirty of the fish were implanted with acoustic tags, for location only, and twenty were implanted with temperature/pressure tags; which in addition to marking the fishes’ location records water temperature and pressure (depth) of the fish as it approached the receiver.

The buoy of a deployed unit
Adeployedunit.JPG

Downloading one of the underwater receivers
Downloadingreceiver.JPG

Of the 50 kelts tagged 48 made it from the head of tide, at Quarryville or Red Bank, to the mouth of the Miramichi River, near Sheldrake Island.  From the mouth of the Miramichi River, all of the 48 kelts made it to the edge of the outer bay near the barrier islands, and headed into the outer bay and into the Atlantic Ocean.  Twenty two kelts were picked up by receivers in the Strait of Belle Isle during the first three weeks of July.  Additionally, three kelts returned back to the Miramichi River in July to spawn again this fall.  The kelts that have not been picked up by the Strait of Belle Isle receivers may have exited through Cabot Strait, may be in the Gulf of Saint Lawrence or may have died at sea. 

As of December 2008, four kelt tags were picked up at receivers associated with other fish telemetry studies.  Three kelt tags were picked up on a receiver located off the coast of Labrador in July and one kelt tag was picked up on a receiver off the barrier islands surrounding Kouchibouguac Bay.

In 2008, three kelts returned to spawn and successfully overwintered in the river and headed back to the ocean in May of 2009.  Two of those kelts that returned in 2008 have also returned in 2009 to spawn again.  Four other kelts tagged in 2008 returned in the summer of 2009 to spawn and hopefully more kelts will continue to move back into the river as the the season progresses.  In total seven salmon returned to the Miramichi out of the 48 that made it through Miramichi Bay. 

2008 DonorTagging LocationSexSizeLast known location
AndersenQuarryvilleFemaleSalmonMiramichi Bay
BarrowRed BankMaleSalmonMiramichi Bay
BarrowRed BankFemaleSalmonStrait of Belle Isle
BirdRed BankFemaleSalmonStrait of Belle Isle
BlackwellRed BankFemaleSalmonMiramichi River (returned 2009)
BobakRed BankMaleGrilseStrait of Belle Isle
BriceRed BankFemaleSalmonMiramichi River (returned 2009)
BriceRed BankMaleGrilseStrait of Belle Isle
CatyRed BankFemaleGrilseMiramichi Bay
CherryRed BankFemaleSalmonMiramichi River (returned 2009)
ColeRed BankFemaleSalmonStrait of Belle Isle
CunninghamQuarryvilleFemaleSalmonMiramichi River (returned 2008)
CunninghamQuarryvilleMaleGrilseMiramichi Bay
FreemanQuarryvilleMaleGrilseMiramichi Bay
GerstmayrRed BankMaleGrilseStrait of Belle Isle
HibbardQuarryvilleFemaleSalmonMiramichi River (returned 2008/2009)
HibbardRed BankMaleGrilseStrait of Belle Isle
HinckleyQuarryvilleFemaleSalmonMiramichi Bay
HowellRed BankMaleGrilseMiramichi Bay
IP Canada HoldingsRed BankFemaleGrilseMiramichi Bay
IP Canada HoldingsRed BankFemaleSalmonMiramichi Bay
KeisterQuarryvilleFemaleSalmonMiramichi Bay
LawrenceRed BankMaleSalmonMiramichi Bay
LercheRed BankMaleGrilseStrait of Belle Isle
MacKay/McCleaveRed BankFemaleSalmonMiramichi Bay
MapelRed BankFemaleGrilseStrait of Belle Isle
McCabeRed BankFemaleSalmonStrait of Belle Isle
McLellanRed BankFemaleSalmonStrait of Belle Isle
MSHFRed BankFemaleSalmonStrait of Belle Isle
NewellRed BankMaleGrilseMiramichi Bay
NewellRed BankMaleGrilseMiramichi Bay
PtasynskiRed BankMaleGrilseMiramichi Bay
ReedRed BankFemaleGrilseMiramichi Bay
ShererRed BankFemaleSalmonMiramichi River (returned 2009)
ShererRed BankMaleGrilseMiramichi Bay
SwazyRed BankMaleSalmonStrait of Belle Isle
TaylorRed BankFemaleSalmonMiramichi River (returned 2008/2009)
TaylorRed BankMaleGrilseStrait of Belle Isle
WeissRed BankMaleSalmonMiramichi Bay
Westaway/AshRed BankFemaleSalmonStrait of Belle Isle
YoungbergRed BankFemaleGrilseMiramichi Bay
 Red BankUnknownGrilseBartibog 
 Red BankFemaleSalmonEel Ground
 Red BankUnknownGrilseMiramichi Bay
 Red BankMaleGrilseMiramichi River Mouth
 Red BankUnknownGrilseStrait of Belle Isle
 QuarryvilleMaleGrilseStrait of Belle Isle
 Red BankUnknownGrilseStrait of Belle Isle
 Red BankMaleGrilseStrait of Belle Isle
Table 1.  Table showing the kelts that were tagged in 2008 and their last known location as of Sept 1, 2009.  (Returned) indicates that  the fish returned to the Miramichi River to spawn and the year which it returned.

Preliminary Results 2009
The spring of 2009 was a great year for spring salmon fishing and we were able to catch all of the kelts in three days.  Overall 50 kelts were angled and tagged over a three day period, from May 6 to May 8, 2009 on the Northwest and Southwest Miramichi.  Twenty five kelts were tagged on the Northwest Miramichi, at Red Bank, and twenty five kelts were tagged on the Southwest Miramichi at Quarryville.  A range of fish sizes were tagged, with the smallest being 22.2 inches (2 lbs) and the largest being 37 inches (12.5 lbs).  Fifteen of the fish were female, thirty three were male and two were of unknown sex.  Forty five of the fish were implanted with acoustic tags, and five were implanted with temperature/pressure tags.

Of the 50 kelts tagged, 46 made it though the outer array in Miramichi Bay, 8 kelts passed through the Strait of Belle Isle on their way to Greenland and currently four kelts have returned back to the river to spawn this fall.

2009 DonorsSexSizeTagging LocationLast Known Location
AshMaleGrilseQuarryvilleMiramichi Bay
BarrowFemaleGrilseRedbankMiramichi Bay
BarrowMaleGrilseQuarryvilleMiramichi Bay
BirdMaleGrilseQuarryvilleStrait of Belle Isle
BriceFemaleSalmonRedbankMiramichi Bay
BriceMaleGrilseQuarryvilleMiramichi Bay
BurnsMaleGrilseQuarryvilleMiramichi Bay
Cain/PeppinFemaleGrilseQuarryvilleMiramichi Bay
CarpenterMaleGrilseQuarryvilleMiramichi Bay
CatyMaleSalmonRedbankMiramichi Bay
CherryFemaleGrilseQuarryvilleStrait of Belle Isle
CoblerFemaleGrilseRedbankMiramichi Bay
CunninghamMaleSalmonQuarryvilleMiramichi Bay
Daigle/StarzomskiMaleGrilseQuarryvilleStrait of Belle Isle
DodgeMaleGrilseRedbankMiramichi River (return 2009)
DoyleFemaleSalmonQuarryvilleMiramichi Bay
DoyleFemaleGrilseQuarryvilleMiramichi Bay
EgglestonFemaleGrilseRedbankMiramichi Bay
FreemanFemaleGrilseRedbankMiramichi Bay
GerstmayrMaleSalmonRedbankMiramichi River (return 2009)
HibbardMaleSalmonRedbankMiramichi Bay
LordMaleGrilseQuarryvilleMiramichi Bay
MacDonaldFemaleGrilseRedbankStrait of Belle Isle
MacDonaldMaleGrilseQuarryvilleMiramichi Bay
MapelMaleSalmonRedbankMiramichi Bay
MapelFemaleGrilseQuarryvilleMiramichi Bay
McCleave/MacKayMaleGrilseQuarryvilleMiramichi Bay
McNallyMaleGrilseRedbankMiramichi Bay
MoisanMaleSalmonRedbankStrait of Belle Isle
MooreMaleGrilseRedbankMiramichi Bay
PettitMaleGrilseRedbankMiramichi Bay
PriceMaleGrilseRedbankMiramichi Bay
PriceFemaleSalmonQuarryvilleMiramichi River (return 2009)
Reid/PooleMaleGrilseQuarryvilleMiramichi Bay
SalmoMaleSalmonRedbankStrait of Belle Isle
ShererMaleSalmonQuarryvilleMiramichi Bay
Thistle Fishing ClubFemaleSalmonRedbankMiramichi River (return 2009)
WarrenMaleGrilseQuarryvilleMiramichi Bay
WestawayMaleGrilseQuarryvilleMiramichi Bay
WilberMaleGrilseRedbankMiramichi Bay
WorthMaleGrilseQuarryvilleMiramichi Bay
WorthMaleGrilseRedbankMiramichi Bay
ZouliasMaleGrilseRedbankMiramichi Bay
ZouliasFemaleGrilseQuarryvilleMiramichi Bay
Table 1.  Table showing the kelts that were tagged in 2009 and their last known location as of September 1, 2009.  (Return) indicates that the fish returned to the Miramichi River to spawn this fall.

Thank you to all our donors!
We want to take this opportunity to thank all of the people who donated funds towards the kelt tracking program in 2008 and 2009.  There are still 7 kelts available to be sponsored for the 2009 season.  If you are interested in sponsoring a kelt transmitter for the tracking program in 2009 please contact the MSA office in South Esk at 506-622-4000 or email msajenny@nb.aibn.com.

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