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Author : Anita L. Lopez,Douglas P. DeMaster
Publisher : Unknown
Page : 326 pages
File Size : 47,5 Mb
Release : 1999
Category : Endangered species
ISBN : UCSD:31822033850173
Author : Anonim
Publisher : Unknown
Page : 200 pages
File Size : 54,5 Mb
Release : 1996
Category : Endangered species
ISBN : UCSD:31822035580224
"This report contains information regarding studies conducted on beluga whales, gray whales, humpback whales, and harbor seals."--P. i
Author : Anita L. Lopez,Robyn P. Angliss
Publisher : Unknown
Page : 132 pages
File Size : 51,5 Mb
Release : 2001
Category : Endangered species
ISBN : UCSD:31822033850165
Author : Anita L. Lopez,S. E. Moore
Publisher : Unknown
Page : 96 pages
File Size : 53,6 Mb
Release : 2002
Category : Endangered species
ISBN : UCSD:31822033850223
Author : Anita L. Lopez,Douglas P. DeMaster
Publisher : Unknown
Page : 214 pages
File Size : 45,7 Mb
Release : 2000
Category : Endangered species
ISBN : UCSD:31822033850108
The National Marine Fisheries Service (l\rNßS) conducted an aerial survey of the beluga whale population in Cook Inlet, Alaska, during 8-14 June 1999. The 41.5 hr surveywas flown in a twin-engine, high-wing aircraft at an altitude of 244 m (800 ft) and speed of 185 km/hr (100 kt) along a trackline 1.4 km from shore, consistent with annual surveys flown each year since 1993. The flights in 1999 included one or more surveys of coastal areas around nearly the entire Inlet and 1,790 km oftransects across the Inlet. Paired, independent observers searched on the coastal (left) side of the plane, where virtually all sightings occur, while a single observer and a computer operatorldatarecorder were on the right side. In addition, each day a different visitor observed from the left side. After finding beluga groups, a series of aerial passes were made to allow at least two pairs of primary observers to make four or more counts of each group. Inter-day counts ranged from 75 to160 belugas near the Susitna River (between the Beluga and Little Susitna Rivers), 13 to 43 in Knik Arm, and 17 to 30 in Chickaloon Bay, but no belugas were found in lower Cook Inlet. The sum of the aerial estimates (using median counts from each site, not corrected for missed whales) ranged from 197 to 221 whales, depending on observer. The index count for 1999 is 217 , which is slightly higher than the index counts for 1998 (193) but lower than all index counts by NMFS observers between 1993-97
Author : United States. Congress. House. Committee on Merchant Marine and Fisheries. Subcommittee on Fisheries and Wildlife Conservation and the Environment
Publisher : Unknown
Page : 348 pages
File Size : 48,6 Mb
Release : 1981
Category : Marine mammals
ISBN : LOC:0001843331A
Author : United States. Congress. House. Committee on Merchant Marine and Fisheries. Subcommittee on Fisheries and Wildlife Conservation and the Environment
Publisher : Unknown
Page : 436 pages
File Size : 54,8 Mb
Release : 1988
Category : Marine mammals
ISBN : UVA:35007007125507
Author : United States. Congress. House. Committee on Merchant Marine and Fisheries. Subcommittee on Fisheries and Wildlife Conservation and the Environment
Publisher : Unknown
Page : 344 pages
File Size : 45,6 Mb
Release : 1976
Category : Marine mammals
ISBN : UVA:35007000420608
Author : Anonim
Publisher : Unknown
Page : 844 pages
File Size : 53,7 Mb
Release : 2002
Category : Electronic
ISBN : NWU:35556043257252
Author : United States. Congress. House. Committee on Resources
Publisher : Unknown
Page : 356 pages
File Size : 45,8 Mb
Release : 1998
Category : Nature
ISBN : STANFORD:36105062490540
Author : Anonim
Publisher : Unknown
Page : 716 pages
File Size : 49,7 Mb
Release : 2001
Category : Electronic
ISBN : NWU:35556033424672
Author : United States. Congress. House. Committee on Merchant Marine and Fisheries. Subcommittee on Environment and Natural Resources
Publisher : Unknown
Page : 164 pages
File Size : 48,6 Mb
Release : 1993
Category : Fisheries
ISBN : IND:30000090631015
Author : Anonim
Publisher : Unknown
Page : 808 pages
File Size : 43,7 Mb
Release : 2004
Category : Electronic
ISBN : NWU:35556034587774
Author : United States. Congress. House. Committee on Resources
Publisher : Unknown
Page : 354 pages
File Size : 46,8 Mb
Release : 1998
Category : Nature
ISBN : PSU:000033131825
Author : United States. Congress. House. Committee on Foreign Affairs
Publisher : Unknown
Page : 204 pages
File Size : 46,8 Mb
Release : 1984
Category : Marine mammals
ISBN : UCR:31210024768358