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Project Information

Title: SEA: Role of Zooplankton in the PWS Ecosystem

Project Year and Number: 1994: 94320-H

Other Fiscal Years and Numbers for this Project: 1999: 99320-H-CLO, 1998: 98320-H, 1997: 97320-H, 1996: 96320-H, 1995: 95320-H

Principal Investigator (PI): Ted Cooney, University of Alaska Fairbanks

Assisting Personnel: Ted DeLaca, Joan Osterkamp, Donald Schell, Albert Tyler

Research Location: Prince William Sound

Restoration Category: Research

Injured Resources Addressed: Not Specified

Abstract: This project is a component of the Sound Ecosystem Assessment (SEA) program, a multi-disciplinary effort to acquire an ecosystem level understanding of the marine and freshwater processes that interact to constrain levels of fish, marine bird, and marine mammal production in Prince William Sound (PWS). This component is designed specifically to provide information on the trophic ecology of consumer populations in PWS, through the investigation of a zooplankton-modulated prey-switching mechanism hypothesized as setting levels of carrying capacity for juvenile fishes each year. Recent observations indicate that good zooplankton years provide an ecological refuge for fishes from predators. Conversely, when upper layer macrozooplankton stocks are low, consumers are forced to derive more of their energy from small fishes. Zooplankton will be sampled in the upper-layers of the water column along the juvenile pink salmon migratory route in PWS. Samples will be analyzed, their taxa will be identified and enumerated, and a census of over wintering populations will begin.


Keywords

Geographic Regions Prince William Sound
Species Microorganisims - Zooplankton
Fields of Expertise Ecology

Proposal: PDF Not Available

Funding Recommendations: View

Funding Detail For: 1994

Quarterly Project Tasks For: 1994

Annual Report: 1994: Not Available

Final Report: View

Publications from this Project: None Available

More information may be available for this project under other years:

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Project Number Proposal Annual Reports Final Report Data
1999: 99320-H-CLO Not Available 1999: Not Available
View No datasets
1998: 98320-H Not Available 1998: Not Available
See Project 99320-H-CLO See Project 99320-H-CLO
1997: 97320-H Not Available 1997: View (PDF)
See Project 99320-H-CLO See Project 99320-H-CLO
1996: 96320-H Not Available 1996: View (PDF)
See Project 99320-H-CLO See Project 99320-H-CLO
1995: 95320-H Not Available 1995: View (PDF)
See Project 99320-H-CLO See Project 99320-H-CLO