[Keyword='marine mammals']
|
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
Data Set Citation
Dataset Originator/Creator:
National Marine Mammal Laboratory
Dataset Title:
NMML Harbor Porpoise Aerial Survey, Bristol Bay, Replicate 3, 1991
Dataset Series Name:
OBIS-SEAMAP
Dataset Release Date:
2004-08-09 16:44:42.148599-04
Dataset Release Place:
http://seamap.env.duke.edu/
Dataset Publisher:
OBIS-SEAMAP
Data Presentation Form:
vector digital data
Online Resource:
http://nmml.afsc.noaa.gov/
Parent DIF
Temporal Coverage
Start Date:
1991-08-06
Stop Date:
1991-08-12
Data Resolution
Latitude Resolution:
0.000167 Decimal degrees
Longitude Resolution: 0.000167 Decimal degrees Horizontal Resolution Range: 1 meter - < 30 meters Science Keywords
ISO Topic Category
Platform
Access Constraints
ACCESS CONSTRAINTS: Open public unless otherwise noted.
DISTRIBUTION LIABILITY: Not to hold OBIS-SEAMAP liable for errors in the data. While we have made every effort to ensure the quality of the database, we cannot guarantee the accuracy of these datasets. Also please refer to Use Constraints.
Use Constraints
Not to use data contained in OBIS-SEAMAP in any publication, product, or
commercial application without prior written consent of the original data provider. To cite both the data provider and OBIS-SEAMAP appropriately after approval of use is obtained. Also please refer to Distribution Liability. Ancillary Keywords
Data Set Progress
COMPLETE
Data Center
Distribution
Distribution Format:
Shapefile
Personnel
Role:
TECHNICAL CONTACT
Role:
DIF AUTHOR
Phone:
919-613-8021
Fax:
919-684-8741
Email:
efujioka at duke.edu
Contact Address:
LSRC A321
Box 90328
City:
Durham
Province or State:
NC
Postal Code:
27708
Country:
USA
Publications/References
M. Dahlheim et al. Harbor porpoise (Phocoena phocoena) abundance in Alaska:
Bristol Bay to Southeast Alaska, 1991-1993. 2000. Marine Mammal Science. 16(1): 28-45. Creation and Review Dates
DIF Creation Date:
2007-01-22
Last DIF Revision Date:
2008-08-29
|
|||||||||||||||||||||
