scholarly journals Aquaculture mediates global transmission of a viral pathogen to wild salmon

2021 ◽  
Vol 7 (22) ◽  
pp. eabe2592
Author(s):  
Gideon J. Mordecai ◽  
Kristina M. Miller ◽  
Arthur L. Bass ◽  
Andrew W. Bateman ◽  
Amy K. Teffer ◽  
...  
Keyword(s):  
Atlantic Salmon ◽  
Pacific Salmon ◽  
Infectious Agent ◽  
Viral Pathogen ◽  
Wild Salmon ◽  
Salmon Aquaculture ◽  
North East ◽  
The North ◽  
Source Of Infection ◽  
East Pacific

Global expansion of aquaculture and agriculture facilitates disease emergence and catalyzes transmission to sympatric wildlife populations. The health of wild salmon stocks critically concerns Indigenous peoples, commercial and recreational fishers, and the general public. Despite potential impact of viral pathogens such as Piscine orthoreovirus-1 (PRV-1) on endangered wild salmon populations, their epidemiology in wild fish populations remains obscure, as does the role of aquaculture in global and local spread. Our phylogeographic analyses of PRV-1 suggest that development of Atlantic salmon aquaculture facilitated spread from Europe to the North and South East Pacific. Phylogenetic analysis and reverse transcription polymerase chain reaction surveillance further illuminate the circumstances of emergence of PRV-1 in the North East Pacific and provide strong evidence for Atlantic salmon aquaculture as a source of infection in wild Pacific salmon. PRV-1 is now an important infectious agent in critically endangered wild Pacific salmon populations, fueled by aquacultural transmission.

Three new meiofaunal solenogaster species (Mollusca: Aplacophora) from the north-east Pacific

2014 ◽  
Vol 48 (45-48) ◽  
pp. 3007-3031 ◽  
Author(s):  
Kevin M. Kocot ◽  
Christiane Todt
Keyword(s):  
North East ◽  
The North ◽  
East Pacific

scholarly journals The early marine distribution of Atlantic salmon in the North‐east Atlantic: A genetically informed stock‐specific synthesis

2021 ◽  
Author(s):  
John Gilbey ◽  
Kjell Rong Utne ◽  
Vidar Wennevik ◽  
Alexander Christian Beck ◽  
Kyrre Kausrud ◽  
...  
Keyword(s):  
Atlantic Salmon ◽  
East Atlantic ◽  
North East ◽  
The North ◽  
Specific Synthesis

First report of Loricifera from the North East Pacific Region, with the description of two new species

2018 ◽  
Vol 49 (3) ◽  
pp. 1151-1168 ◽  
Author(s):  
Ricardo C. Neves ◽  
Reinhardt M. Kristensen ◽  
Melissa Rohal ◽  
David Thistle ◽  
Martin V. Sørensen
Keyword(s):  
New Species ◽  
Pacific Region ◽  
First Report ◽  
North East ◽  
The North ◽  
East Pacific ◽  
Two New Species

The North-East Pacific

2019 ◽  
pp. 260-306
Author(s):  
Eliza C. Heery ◽  
Kenneth P. Sebens
Keyword(s):  
North East ◽  
The North ◽  
East Pacific

New records of Serpulidae (Annelida, Polychaeta) from hydrothermal vents of North Fiji, Pacific Ocean

Zootaxa ◽  
2010 ◽  
Vol 2389 (1) ◽  
pp. 57 ◽  
Author(s):  
ELENA K. KUPRIYANOVA ◽  
EIJIROH NISHI ◽  
MASARU KAWATO ◽  
YOSHIHIRO FUJIWARA
Keyword(s):  
Ribosomal Rna ◽  
Hydrothermal Vent ◽  
Hydrothermal Vents ◽  
New Records ◽  
Phylogenetic Analyses ◽  
Suspension Feeding ◽  
North East ◽  
The North ◽  
East Pacific ◽  
Molecular Phylogenetic

Serpulidae are sessile suspension-feeding annelids commonly found in the periphery of hydrothermal vents, but up to now only two species, Laminatubus alvini and Protis hydrothermica had been described from such communities. This paper reports two additional serpulid species, collected in 2005 from the North Fiji hydrothermal vent area, identified as Hyalopomatus mironovi and Protis sp. The former has originally been described from the Kurile-Kamchatka Trench and the later recorded from the North-East Pacific. The latter species is similar to Protis hydrothermica, but lacks special finand-blade collar chaetae typical of this genus. Illustrated re-descriptions of the two species have been supplemented by molecular sequences (18S ribosomal RNA). Molecular phylogenetic analyses show that Hyalopomatus mironovi and Protis sp. are sister species of Laminatubus alvini and Protis hydrothermica, respectively.

The marine phase of the Atlantic salmon (Salmo salar) life cycle, with comparisons to Pacific salmon

1998 ◽  
Vol 55 (S1) ◽  
pp. 104-118 ◽  
Author(s):  
L P Hansen ◽  
T P Quinn
Keyword(s):  
Atlantic Salmon ◽  
Salmo Salar ◽  
Life Histories ◽  
North Atlantic Ocean ◽  
Pacific Salmon ◽  
Mortality Factor ◽  
Growth And Survival ◽  
Atlantic Salmon Salmo Salar ◽  
The North ◽  
Wide Range

Atlantic salmon (Salmo salar) are distributed over large areas in the north Atlantic Ocean. They usually move very quickly from freshwater to oceanic areas, whereas there is considerable variation among Pacific salmon in early marine movements. In some areas, Atlantic salmon of exploitable size are sufficiently abundant that commercial high seas fisheries have developed. Such areas are off west Greenland, where North American and European fish are harvested, and in the Norwegian Sea, north of the Faroe Islands, where mainly European fish are exploited. Atlantic salmon feed on a wide range of large crustaceans, pelagic fish, and squid in the marine environment, supporting the hypothesis that Atlantic salmon are opportunistic feeders. In the ocean the salmon grow relatively quickly and the sea age when they become sexually mature depends on both genetics and on growing conditions. Natural marine mortality of salmon is highest during the first few months at sea and the major mortality factor is probably predation. However, marine mortality of Atlantic salmon has increased in recent years, apparently correlated with a decline in sea surface temperatures. Similar relationships between environmental conditions and the growth and survival of Pacific salmon have been reported. Atlantic salmon life histories most closely mimic stream-type chinook salmon or steelhead trout among the Pacific species. Finally, Atlantic and Pacific salmon return to their home rivers with high precision and possible mechanisms controlling the oceanic homing migration are presented and discussed.

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