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2018 Aerial Surveys of Arctic Marine Mammals - Post 2

Aerial Surveys of Arctic Marine Mammals

This Arctic survey of marine mammals in the Beaufort and Chukchi seas has been conducted every year off the northern and western coasts of Alaska since 1979. A long-term dataset like this is extraordinary because it is both unusual and important. Exact survey...
September 24, 2018 - Survey ,
ASAMM July-August 2018 marine mammal sightings by species, tracklines flown, and study area.

2018 Aerial Surveys of Arctic Marine Mammals - Post 1

Aerial Surveys of Arctic Marine Mammals

This Arctic survey of marine mammals in the Beaufort and Chukchi seas has been conducted every year off the northern and western coasts of Alaska since 1979. A long-term dataset like this is extraordinary because it is both unusual and important. Exact survey...
September 24, 2018 - Survey ,
In recent years, July through September has been considered ice-free months in the Beaufort and Chukchi sea ASAMM study areas.

Saildrones Head to the Arctic - Post 5

Saildrones Head to the Arctic

Age-0 Arctic cod caught in one of the tows. The route of the Chukchi Sea survey completed by both saildrones (yellow) and the locations of the net tows (blue X) conducted from the USCGC Healy. The net tows were conducted at stations that we...
September 24, 2018 - Research ,
The Methot net being recovered over the stern of the USCGC Healy after finishing a tow. Photo courtesy of A. Lyons.

Alaska Longline Survey - Post 5

Alaska LongLine Survey

A Student's Perspective.
September 24, 2018 - Survey ,
Alaska_Longline_Survey-Post6-1.jpg

Alaska Longline Survey - Post 4

Alaska LongLine Survey

A Student's Perspective.
September 24, 2018 - Survey ,
Alaska_Longline_Survey-Post5.jpg

Young Fish Provide Clues to Future Pacific Cod Stock Size - Post 3

Future Pacific Cod Stock Size

Learn how baited cameras are used to survey fish populations.
September 24, 2018 - Research ,
Age-1 Pacific cod are much larger (15-20 cm) and are more common at deeper depths. This set was deployed along at 10 m.

Saildrones Head to the Arctic - Post 4

Saildrones Head to the Arctic

An example of the data we can view on the site, showing one day of temperature (top) and salinity (bottom) measurements from mid-July. There are multiple sensors for measuring temperature on each saildrone, providing us with air (orange) and seawater temperature...
September 24, 2018 - Research ,
SaildroneBlogNO4-image003 (1).jpg

Alaska Longline Survey - Post 3

Alaska LongLine Survey

A Student's Perspective.
September 24, 2018 - Survey ,
SablefishComingOver the Roller.jpg

Young Fish Provide Clues to Future Pacific Cod Stock Size - Post 2

Future Pacific Cod Stock Size

Here are NOAA Fisheries biologists Chris Magel (left) and Paul Iseri (right) proudly showing off a their catch of age-0 Pacific cod at a Kodiak site covered in dense kelp (Laminaria spp.). Juvenile fish are identified, sorted, counted and then measured. We...
September 24, 2018 - Research ,
age-0 Pacific cod at a Kodiak site covered in dense kelp.

Alaska Longline Survey - Post 2

Alaska LongLine Survey

A Student's Perspective.
September 24, 2018 - Survey ,
Alaska_Longline_Survey-Post2.jpg