Project Information

Title: Experimental Harlequin Duck Breeding Survey 94427

Project Year and Number: 1994: 94427

Other Fiscal Years and Numbers for this Project: 1998: 98427-CLO, 1997: 97427, 1996: 96427, 1995: 95427

Principal Investigator (PI): Dan Rosenberg (Alaska Department of Fish & Game)

Managing Agency: ADFG

Assisting Personnel: None

Research Location: Prince William Sound

Restoration Category: Monitoring

Injured Resources Addressed: Harlequin Ducks

Abstract: Collective results of harlequin duck studies of western Prince William Sound (PWS) following the EVOS indicate serious breeding and population concerns. However, no conclusive evidence of histological or physiological effects from oil has been found. To date, EVOS projects have gathered abundance and distribution data only on total harlequin duck populations, with little information on sex and age composition, or proportions of paired birds. Currently, there are no sufficiently measured parameters of harlequin population dynamics with which to construct a population model for PWS. This project will provide a new tool for establishing quantified restoration goals and will design an effective monitoring program for harlequin ducks in PWS. Shoreline surveys will be conducted using visual assessments by multiple observers, photography, videography, and other prospective means of capturing sex and age data. Data analysis will include quantification of class data from visual observations and other media, comparison and corroboration of data among methods, and statistical description of results.


Proposal: Not Available

Reports:
Annual Report FY94: View (1,156 KB)
Final Report: See Project 97427

Publications from this Project: None Available

Datasets:
EVOSTC Data Archive: Location, date, number and age/sex of harlequin duck population. ArcInfo, Excel Availability: Upon request.