Annual Survey of Juvenile Salmon and Ecologically Related Species and Environmental Factors in the Marine Waters of Southeastern Alaska, May–August 2005

Orsi, Joseph A.; Fergusson, Emily; Sturdevant, Molly V.; Wing, Bruce L.; Wertheimer, Alex C.; Heard, William R.

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Annual Survey of Juvenile Salmon and Ecologically Related Species and Environmental Factors in the Marine Waters of Southeastern Alaska, May–August 2005

2006
By Orsi, Joseph A. ; Fergusson, Emily ; Sturdevant, Molly V. ; ...
Series: NMFS-NPAFC Doc. 955

[PDF-3.21 MB]

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Personal Author:

Orsi, Joseph A. ; Fergusson, Emily ; Sturdevant, Molly V. ; Wing, Bruce L. ; Wertheimer, Alex C. ; ... More +

Orsi, Joseph A. ; Fergusson, Emily ; Sturdevant, Molly V. ; Wing, Bruce L. ; Wertheimer, Alex C. ; Heard, William R. Less -
Corporate Authors:

National Marine Fisheries Service (U.S.) ; Alaska Fisheries Science Center (U.S.) ; Auke Bay Laboratories (Juneau, Alaska)

National Marine Fisheries Service (U.S.) ; Alaska Fisheries Science Center (U.S.) ; Auke Bay Laboratories (Juneau, Alaska) Less -
NOAA Program & Office:

NMFS (National Marine Fisheries Service) ; AFSC (Alaska Fisheries Science Center)

NMFS (National Marine Fisheries Service) ; AFSC (Alaska Fisheries Science Center) Less -
Description:

The Southeast Coastal Monitoring Project (SECM), a long-term fisheries oceanography study in southeastern Alaska, was initiated in 1997 to annually study the early marine ecology of Pacific salmon (Oncorhynchus spp.) and ecologically related species, and to better understand effects of environmental change on salmon production. Salmon are a keystone species that constitute important ecological links between marine and terrestrial habitats, and therefore play a significant, yet poorly understood, role in marine ecosystems. Fluctuations in the survival of this important living marine resource have broad ecological and socioeconomic implications for coastal localities throughout the Pacific Rim. Increasing evidence for relationships between production of Pacific salmon and shifts in climate conditions has renewed interest in processes governing salmon year-class strength (Beamish 1995). In particular, climate variation has been associated with ocean production of salmon during El Niño and La Niña events, such as the recent warming trends that benefited many wild and hatchery stocks of Alaskan salmon (Wertheimer et al. 2001). However, research is lacking in areas such as the links between salmon production and climate variability, between intra- and interspecific competition and carrying capacity, and between stock composition and biological interactions. Past research has not provided adequate time-series data to explain such links (Pearcy 1997). Because the numbers of salmonids produced in the region have increased over the last few decades (Wertheimer et al. 2001), mixing between stocks with different life history characteristics has also increased. The consequences of such changes for the growth, survival, distribution, and migratory rates of salmonids remain unknown.
Keywords:

[+]

Climatic Factors El Niño Current Fish Populations Geographical Distribution Habitat Hatchery Releases La Niña Current Marine Ecology Migration Pacific Salmon Salmon Stock Management Survival
Series:

NMFS-NPAFC Doc. 955
Document Type:

Miscellaneous
Place as Subject:

Alaska
Rights Information:

Public Domain
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Library
Main Document Checksum:

[+]

urn:sha256:694915c0294b1f19f4c66dccdb4674689c900456b629d02a1f211f59872cbe88
Download URL:

https://repository.library.noaa.gov/view/noaa/19437/noaa_19437_DS1.pdf
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Annual Survey of Juvenile Salmon and Ecologically Related Species and Environmental Factors in the Marine Waters of Southeastern Alaska, May–August 2005

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