Early Marine Growth of Pink Salmon in Prince William Sound and the Coastal Gulf of Alaska During Years of Low and High Survival

2008 ◽  
Vol 137 (3) ◽  
pp. 927-939 ◽  
Author(s):  
Alison D. Cross ◽  
David A. Beauchamp ◽  
Katherine W. Myers ◽  
Jamal H. Moss
Keyword(s):  
Pink Salmon ◽  
Gulf Of Alaska ◽  
High Survival ◽  
Prince William Sound

Relationship of water column stability to the growth, condition, and survival of pink salmon (Oncorhynchus gorbuscha) in the northern coastal Gulf of Alaska and Prince William Sound

2012 ◽  
Vol 69 (5) ◽  
pp. 955-969 ◽  
Author(s):  
Sara E. Miller ◽  
Milo Adkison ◽  
Lewis Haldorson
Keyword(s):  
Water Column ◽  
Growth Condition ◽  
Pink Salmon ◽  
Gulf Of Alaska ◽  
Oncorhynchus Gorbuscha ◽  
Biological Parameters ◽  
Prince William Sound ◽  
Pink Salmon Oncorhynchus Gorbuscha ◽  
Fish Condition ◽  
Water Column Stability

Water column stability has been hypothesized to affect growth and ultimately survival of juvenile fish. We estimated the relationships between stability and the growth, condition, and marine survival of several stocks of pink salmon ( Oncorhynchus gorbuscha ) within Prince William Sound (PWS), Alaska, USA, and the northern coastal Gulf of Alaska (GOA) shelf. There was a stronger correlation among the biological parameters of the fish than between the biological parameters and physical conditions. While stability and fish condition during early marine residence in PWS were important to year-class survival, stability of the water column that juveniles experienced as they migrated to the open waters of the GOA did not play a key role in determining survival to adulthood. Below-average stability just prior to capture within PWS combined with positive fish condition was related to increased year-class survival. Our results are similar to previous studies that concluded that slower and weaker development of stratification with a deeper mixed layer depth may be important for juvenile pink salmon survival in PWS.

Interannual and Spatial Feeding Patterns of Hatchery and Wild Juvenile Pink Salmon in the Gulf of Alaska in Years of Low and High Survival

2008 ◽  
Vol 137 (5) ◽  
pp. 1299-1316 ◽  
Author(s):  
Janet L. Armstrong ◽  
Katherine W. Myers ◽  
David A. Beauchamp ◽  
Nancy D. Davis ◽  
Robert V. Walker ◽  
...  
Keyword(s):  
Pink Salmon ◽  
Gulf Of Alaska ◽  
High Survival ◽  
Feeding Patterns

Consumption demand of juvenile pink salmon in Prince William Sound and the coastal Gulf of Alaska in relation to prey biomass

2005 ◽  
Vol 52 (1-2) ◽  
pp. 347-370 ◽  
Author(s):  
Alison D. Cross ◽  
David A. Beauchamp ◽  
Janet L. Armstrong ◽  
Mikhail Blikshteyn ◽  
Jennifer L. Boldt ◽  
...  
Keyword(s):  
Pink Salmon ◽  
Gulf Of Alaska ◽  
Prince William Sound ◽  
Prey Biomass ◽  
Consumption Demand

scholarly journals An empirical Bayesian approach to incorporate directional movement information from a forage fish into the Arnason-Schwarz mark-recapture model

2021 ◽  
Vol 9 (1) ◽  
Author(s):  
Mary A. Bishop ◽  
Jordan W. Bernard
Keyword(s):  
Bayesian Approach ◽  
Gulf Of Alaska ◽  
Forage Fish ◽  
Pacific Herring ◽  
Prince William Sound ◽  
Modeling Framework ◽  
Empirical Bayesian ◽  
Directional Information ◽  
Directional Movement ◽  
Empirical Bayesian Approach

Abstract Background Over the past two decades, various species of forage fish have been successfully implanted with miniaturized acoustic transmitters and subsequently monitored using stationary acoustic receivers. When acoustic receivers are configured in an array, information related to fish direction can potentially be determined, depending upon the number and relative orientation of the acoustic receivers. However, it can be difficult to incorporate directional information into frequentist mark-recapture methods. Here we show how an empirical Bayesian approach can be used to develop a model that incorporates directional movement information into the Arnason-Schwarz modeling framework to describe survival and migration patterns of a Pacific herring (Clupea pallasii) population in coastal Alaska, USA. Methods We acoustic-tagged 326 adult Pacific herring during April 2017 and 2018 while on their spawning grounds in Prince William Sound Alaska, USA. To monitor their movements, stationary acoustic receivers were deployed at strategic locations throughout the Sound. Receivers located at the major entrances to the Gulf of Alaska were arranged in parallel arrays to determine the directional movements of the fish. Informative priors were used to incorporate the directional information recorded at the entrance arrays into the model. Results A seasonal migratory pattern was found at one of Prince William Sound’s major entrances to the Gulf of Alaska. At this entrance, fish tended to enter the Gulf of Alaska during spring and summer after spawning and return to Prince William Sound during the fall and winter. Fish mortality was higher during spring and summer than fall and winter in both Prince William Sound and the Gulf of Alaska. Conclusions An empirical Bayesian modeling approach can be used to extend the Arnason-Schwarz modeling framework to incorporate directional information from acoustic arrays to estimate survival and characterize the timing and direction of migratory movements of forage fish.

scholarly journals RISK OF WEATHERED RESIDUAL EXXON VALDEZ OIL TO PINK SALMON EMBRYOS IN PRINCE WILLIAM SOUND

2007 ◽  
Vol 26 (4) ◽  
pp. 780 ◽  
Author(s):  
Ernest L. Brannon ◽  
Keya M. Collins ◽  
Mathew A. Cronin ◽  
Lawrence L. Moulton ◽  
Keith R. Parker ◽  
...  
Keyword(s):  
Pink Salmon ◽  
Prince William Sound ◽  
Exxon Valdez

Temporal and spatial variability of 13C/12C and 15N/14N in pelagic biota of Prince William Sound, Alaska

1999 ◽  
Vol 56 (S1) ◽  
pp. 94-117 ◽  
Author(s):  
Thomas C Kline, Jr.
Keyword(s):  
Stable Isotope ◽  
Phytoplankton Bloom ◽  
Gulf Of Alaska ◽  
Prince William Sound ◽  
Large Herbivore ◽  
Clupea Pallasi ◽  
Carbon Cycles ◽  
Isotopic Signatures ◽  
Carbon And Nitrogen ◽  
Isotope Tracer

Stable isotope ratios of carbon and nitrogen were used to identify seasonal and spatial patterns in carbon and nitrogen and to determine source of energy (Prince William Sound (PWS) versus the Gulf of Alaska (GOA)) for juvenile fishes in PWS. PWS-wide samples of bulk net zooplankton (all noncalcareous zooplankton collected in 335-µm-mesh nets), individual late copepodid stage of the large herbivore Neocalanus cristatus, juvenile Pacific herring (Clupea pallasi), and juvenile walleye pollock (Theragra chalcogramma) were collected in spring, summer, and fall in 1994 and 1995. For bulk zooplankton and N. cristatus, there was a strong 13C/12C gradient but weak 15N/14N gradient within PWS and GOA. Zooplankton 15N/14N was positively correlated with 13C/12C during the phytoplankton bloom but was not correlated during the zooplankton bloom, suggesting a decoupling of nitrogen and carbon cycles. Plankton isotopic signatures suggested a diagnostic 13C/12C for GOA carbon. For juvenile fishes and diapausing copepods in PWS, 13C/12C varied between years, suggesting that the origin of carbon differed between years (GOA more so in 1995 than in 1994). Use of a natural stable isotope tracer provided evidence for biophysical coupling via inferred fluctuations in oceanographic processes.

Sign in / Sign up

Export Citation Format

Share Document