North Pacific right whale ( Eubalaena japonica ) sightings in the Gulf of Alaska and the Bering Sea during IWC‐Pacific Ocean Whale and Ecosystem Research ( IWC‐POWER ) surveys

2021 ◽  
Author(s):  
Koji Matsuoka ◽  
Jessica L. Crance ◽  
Jessica K. D. Taylor ◽  
Isamu Yoshimura ◽  
Amy James ◽  
...  
Keyword(s):  
Pacific Ocean ◽  
Bering Sea ◽  
North Pacific ◽  
Gulf Of Alaska ◽  
Ecosystem Research ◽  
Right Whale ◽  
Eubalaena Japonica ◽  
The Bering Sea

scholarly journals The world's smallest whale population?

2010 ◽  
Vol 7 (1) ◽  
pp. 83-85 ◽  
Author(s):  
Paul R. Wade ◽  
Amy Kennedy ◽  
Rick LeDuc ◽  
Jay Barlow ◽  
Jim Carretta ◽  
...  
Keyword(s):  
Bering Sea ◽  
North Pacific ◽  
Direct Consequence ◽  
International Management ◽  
Abundance Estimate ◽  
Right Whale ◽  
The North ◽  
Pacific Population ◽  
Eubalaena Japonica ◽  
The Bering Sea

The North Pacific right whale ( Eubalaena japonica ) was heavily exploited by both nineteenth century whaling and recent (1960s) illegal Soviet catches. Today, the species remains extremely rare especially in the eastern North Pacific. Here, we use photographic and genotype data to calculate the first mark–recapture estimates of abundance for right whales in the Bering Sea and Aleutian Islands. The estimates were very similar: photographic = 31 (95% CL 23–54), genotyping = 28 (95% CL 24–42). We also estimated the population contains eight females (95% CL 7–18) and 20 males (95% CL 17–37). Although these estimates may relate to a Bering Sea subpopulation, other data suggest that the total eastern North Pacific population is unlikely to be much larger. Its precarious status today—the world's smallest whale population for which an abundance estimate exists—is a direct consequence of uncontrolled and illegal whaling, and highlights the past failure of international management to prevent such abuses.

scholarly journals Space use patterns of the endangered North Pacific right whale Eubalaena japonica in the Bering Sea

2015 ◽  
Vol 532 ◽  
pp. 269-281 ◽  
Author(s):  
AN Zerbini ◽  
MF Baumgartner ◽  
AS Kennedy ◽  
BK Rone ◽  
PR Wade ◽  
...  
Keyword(s):  
Bering Sea ◽  
North Pacific ◽  
Space Use ◽  
Use Patterns ◽  
Right Whale ◽  
Eubalaena Japonica ◽  
The Bering Sea

Historic and current habitat use by North Pacific right whales Eubalaena japonica in the Bering Sea and Gulf of Alaska

Mammal Review ◽  
2005 ◽  
Vol 35 (2) ◽  
pp. 129-155 ◽  
Author(s):  
KIM E. W. SHELDEN ◽  
SUE E. MOORE ◽  
JANICE M. WAITE ◽  
PAUL R. WADE ◽  
DAVID J. RUGH
Keyword(s):  
Habitat Use ◽  
Bering Sea ◽  
North Pacific ◽  
Gulf Of Alaska ◽  
Right Whales ◽  
Eubalaena Japonica ◽  
The Bering Sea

scholarly journals Acoustic detection and satellite-tracking leads to discovery of rare concentration of endangered North Pacific right whales

2006 ◽  
Vol 2 (3) ◽  
pp. 417-419 ◽  
Author(s):  
Paul Wade ◽  
Mads Peter Heide-Jørgensen ◽  
Kim Shelden ◽  
Jay Barlow ◽  
James Carretta ◽  
...  
Keyword(s):  
Bering Sea ◽  
North Pacific ◽  
Right Whale ◽  
The North ◽  
Right Whales ◽  
Time Position ◽  
Eubalaena Japonica ◽  
Bering Sea Shelf ◽  
The North Pacific ◽  
The Bering Sea

The North Pacific right whale, Eubalaena japonica , is one of the most endangered species of whale in the world. On 10 August 2004, two right whales were located in the Bering Sea using headings to right whale calls provided by directional sonobuoys. A satellite-monitored radio tag attached to one of these whales functioned for 40 days. Over the 40-day period, this whale moved throughout a large part of the southeast Bering Sea shelf, including areas of the outer-shelf where right whales have not been seen in decades. In September, multiple right whales were acoustically located and subsequently sighted by another survey vessel approaching a near-real-time position from the tag. An analysis of photographs confirmed at least 17 individual whales (not including the tagged whales). Genetic analysis of biopsy samples identified 17 individuals: 10 males and 7 females. The discovery of seven females was significant, as only one female had been identified in the past. Genetics also confirmed the presence of at least two calves. Although the future of this population is highly uncertain, the discovery of additional females and calves gives some hope that this most critically endangered of all whale populations may still possess the capacity to recover.

Single-nucleotide polymorphisms reveal distribution and migration of Chinook salmon (Oncorhynchus tshawytscha) in the Bering Sea and North Pacific Ocean

2013 ◽  
Vol 70 (1) ◽  
pp. 128-141 ◽  
Author(s):  
Wesley A. Larson ◽  
Fred M. Utter ◽  
Katherine W. Myers ◽  
William D. Templin ◽  
James E. Seeb ◽  
...  
Keyword(s):  
Pacific Ocean ◽  
Chinook Salmon ◽  
Bering Sea ◽  
North Pacific ◽  
Oncorhynchus Tshawytscha ◽  
North Pacific Ocean ◽  
Nucleotide Polymorphisms ◽  
Single Nucleotide ◽  
And Migration ◽  
The Bering Sea

We genotyped Chinook salmon (Oncorhynchus tshawytscha) from the Bering Sea and North Pacific Ocean for 43 single-nucleotide polymorphisms (SNPs) to investigate seasonal distribution and migration patterns. We analyzed 3563 immature fish from 22 spatiotemporal strata; composition analyses were performed using genotype data from spawning stocks spanning the species range. Substantial variation in stock composition existed among spatial and seasonal strata. We inferred patterns of seasonal migration based upon these data along with data from previous tag, scale, and parasite studies. We found that stocks from western Alaska and Yukon River overwinter on the Alaska continental shelf then travel to the middle and western Bering Sea during spring–fall. Stocks from California to Southeast Alaska were distributed in Gulf of Alaska year-round, with a substantial portion of this group migrating northward to the eastern Bering Sea during spring–fall. Proportions of Russian stocks increase when moving east to west in both the Bering Sea and North Pacific Ocean. These data can be used to better understand the impacts of fisheries and climate change on this valuable resource.

Estimating North Pacific Right Whale calling depths in the Bering Sea via modal dispersion

2018 ◽  
Vol 144 (3) ◽  
pp. 1696-1696
Author(s):  
Dana Wright ◽  
Aaron Thode ◽  
Julien Bonnel ◽  
Margaux Thieury ◽  
Aileen Fagan ◽  
...  
Keyword(s):  
Bering Sea ◽  
North Pacific ◽  
Modal Dispersion ◽  
Right Whale ◽  
The Bering Sea
Sign in / Sign up

Export Citation Format

Share Document