Genetic Diversity and Connectivity of Southern Right Whales (Eubalaena australis) Found in the Brazil and Chile–Peru Wintering Grounds and the South Georgia (Islas Georgias del Sur) Feeding Ground

Carroll, Emma L; Ott, Paulo H; McMillan, Louise F; Galletti Vernazzani, Bárbara; Neveceralova, Petra; Vermeulen, Els; Gaggiotti, Oscar E; Andriolo, Artur; Baker, C Scott; Bamford, Connor; Best, Peter; Cabrera, Elsa; Calderan, Susannah; Chirife, Andrea; Fewster, Rachel M; Flores, Paulo A C; Frasier, Timothy; Freitas, Thales R O; Groch, Karina; Hulva, Pavel; Kennedy, Amy; Leaper, Russell; Leslie, Matthew S; Moore, Michael; Oliveira, Larissa; Seger, Jon; Stepien, Emilie N; Valenzuela, Luciano O; Zerbini, Alexandre; Jackson, Jennifer A

doi:10.1093/jhered/esaa010

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Genetic Diversity and Connectivity of Southern Right Whales (Eubalaena australis) Found in the Brazil and Chile–Peru Wintering Grounds and the South Georgia (Islas Georgias del Sur) Feeding Ground

2020
By Carroll, Emma L ; Ott, Paulo H ; McMillan, Louise F ; ...
Source: J Hered. 2020 May 20;111(3):263-276.

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Journal Title:

Journal of Heredity
Personal Author:

Carroll, Emma L ; Ott, Paulo H ; McMillan, Louise F ; Galletti Vernazzani, Bárbara ; Neveceralova, Petra ; ... More +

Carroll, Emma L ; Ott, Paulo H ; McMillan, Louise F ; Galletti Vernazzani, Bárbara ; Neveceralova, Petra ; Vermeulen, Els ; Gaggiotti, Oscar E ; Andriolo, Artur ; Baker, C Scott ; Bamford, Connor ; Best, Peter ; Cabrera, Elsa ; Calderan, Susannah ; Chirife, Andrea ; Fewster, Rachel M ; Flores, Paulo A C ; Frasier, Timothy ; Freitas, Thales R O ; Groch, Karina ; Hulva, Pavel ; Kennedy, Amy ; Leaper, Russell ; Leslie, Matthew S ; Moore, Michael ; Oliveira, Larissa ; Seger, Jon ; Stepien, Emilie N ; Valenzuela, Luciano O ; Zerbini, Alexandre ; Jackson, Jennifer A Less -
NOAA Program & Office:

NMFS (National Marine Fisheries Service) ; AFSC (Alaska Fisheries Science Center) ; JISAO (Joint Institute for the Study of the Atmosphere and Ocean)

NMFS (National Marine Fisheries Service) ; AFSC (Alaska Fisheries Science Center) ; JISAO (Joint Institute for the Study of the Atmosphere and Ocean) Less -
Description:

As species recover from exploitation, continued assessments of connectivity and population structure are warranted to provide information for conservation and management. This is particularly true in species with high dispersal capacity, such as migratory whales, where patterns of connectivity could change rapidly. Here we build on a previous long-term, large-scale collaboration on southern right whales (Eubalaena australis) to combine new (nnew) and published (npub) mitochondrial (mtDNA) and microsatellite genetic data from all major wintering grounds and, uniquely, the South Georgia (Islas Georgias del Sur: SG) feeding grounds. Specifically, we include data from Argentina (npub mtDNA/microsatellite = 208/46), Brazil (nnew mtDNA/microsatellite = 50/50), South Africa (nnew mtDNA/microsatellite = 66/77, npub mtDNA/microsatellite = 350/47), Chile-Peru (nnew mtDNA/microsatellite = 1/1), the Indo-Pacific (npub mtDNA/microsatellite = 769/126), and SG (npub mtDNA/microsatellite = 8/0, nnew mtDNA/microsatellite = 3/11) to investigate the position of previously unstudied habitats in the migratory network: Brazil, SG, and Chile-Peru. These new genetic data show connectivity between Brazil and Argentina, exemplified by weak genetic differentiation and the movement of 1 genetically identified individual between the South American grounds. The single sample from Chile-Peru had an mtDNA haplotype previously only observed in the Indo-Pacific and had a nuclear genotype that appeared admixed between the Indo-Pacific and South Atlantic, based on genetic clustering and assignment algorithms. The SG samples were clearly South Atlantic and were more similar to the South American than the South African wintering grounds. This study highlights how international collaborations are critical to provide context for emerging or recovering regions, like the SG feeding ground, as well as those that remain critically endangered, such as Chile-Peru.
Keywords:

[+]

Genetics Right Whales
Source:

J Hered. 2020 May 20;111(3):263-276.
DOI:

https://doi.org/10.1093/jhered/esaa010
Pubmed ID:

32347944
Pubmed Central ID:

PMC7238439
Document Type:

Journal Article
Place as Subject:

Brazil ; Chile ; Peru

Brazil ; Chile ; Peru Less -
License:

https://creativecommons.org/licenses/by/4.0/
Rights Information:

CC BY
Compliance:

Submitted
Main Document Checksum:

[+]

urn:sha256:10ca78171693fe9cf70650979ba9141dde107979d5a2bd86b7b04b93bb465bf3
Download URL:

https://repository.library.noaa.gov/view/noaa/26259/noaa_26259_DS1.pdf
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Genetic Diversity and Connectivity of Southern Right Whales (Eubalaena australis) Found in the Brazil and Chile–Peru Wintering Grounds and the South Georgia (Islas Georgias del Sur) Feeding Ground

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