[Personnel: Last_Name='FUJIOKA', First_Name='EI']
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NMML Harbor Porpoise Aerial Survey, Bristol Bay, Replicate 3, 1991
Entry ID:
seamap130
Summary
Abstract:
From 4 to 13 August 1991, as part of a larger study, Alaska harbor
porpoise (Phocoena phocoena) abundance was investigated during an aerial survey throughout the coastal waters of Bristol Bay. A Twin Otter was used as the survey platform and was flown at an altitude of 152.2 m (500ft) and at an airspeed of 100 kn. The third of three identical saw tooth track lines was ...  Purpose: Although harbor porpoises, Phocoena phocoena, are known to occur throughout Alaska waters (Fiscus et al. 1976; Leatherwood and Reeves 1978; Lawry et al. 1982; Leatherwood et al. 1983), few estimates of abundance exist. In 1991, the National Marine Mammal Laboratory initiated a 3-yr study on Alaska harbor porpoises. The objectives of this program were to: 1) Obtain minimum ...
Related URL
Temporal Coverage
Start Date:
1985-01-01
Location Keywords
Science Keywords
Platform
Quality
Taken from the progress report of the 2009-2009 season:
Low staffing is the main concern. The project objective to analyse the data remains its primary goal, so there will be no change in the near future.
Access Constraints
Much of the data are in a database and accessible via the Get Data URL. Species distribution data is published to GBIF and OBIS if it is over 2 years old.
Use Constraints
This data set conforms to the PICCCBY Attribution License
(http://creativecommons.org/licenses/by/3.0/). Please follow instructions listed in the citation reference provided at the URL below when using these data. Ancillary Keywords
Data Set Progress
IN WORK
Originating Center
Data Center
Distribution
Distribution Media:
HTTP
Fees:
free
Distribution Media:
HTTP
Distribution Size:
67 kb
Distribution Format:
pdf
Fees:
free
Personnel
Role:
INVESTIGATOR
Email:
harry.burton at aad.gov.au
Contact Address:
Australian Antarctic Division
203 Channel Highway
City:
Kingston
Province or State:
Tasmania
Postal Code:
7050
Country:
Australia
Publications/References
McMahon, C., White, G.C. (2009) Tag loss probabilities are not independent: Assessing and quantifying the assumption of independent tag transition probabilities from direct observations Journal of Experimental Marine Biology and Ecology 372. 36-42
Creation and Review Dates
DIF Creation Date:
1999-10-07
Last DIF Revision Date:
2010-04-14
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