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Author: Anita L. Lopez
Publisher:
ISBN:
Category : Endangered species
Languages : en
Pages : 326
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Book Description
Author: Anita L. Lopez
Publisher:
ISBN:
Category : Endangered species
Languages : en
Pages : 326
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Book Description
Author:
Publisher:
ISBN:
Category : Endangered species
Languages : en
Pages : 200
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Book Description
"This report contains information regarding studies conducted on beluga whales, gray whales, humpback whales, and harbor seals."--P. i
Author: Anita L. Lopez
Publisher:
ISBN:
Category : Endangered species
Languages : en
Pages : 132
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Book Description
Author: Anita L. Lopez
Publisher:
ISBN:
Category : Endangered species
Languages : en
Pages : 214
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Book Description
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: Anita L. Lopez
Publisher:
ISBN:
Category : Endangered species
Languages : en
Pages : 96
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Book Description
Author: United States. Congress. House. Committee on Merchant Marine and Fisheries. Subcommittee on Fisheries and Wildlife Conservation and the Environment
Publisher:
ISBN:
Category : Marine mammals
Languages : en
Pages : 348
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Author: United States. Congress. Senate. National Ocean Policy Study
Publisher:
ISBN:
Category : Endangered species
Languages : en
Pages : 324
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Author: United States. Congress. House. Committee on Merchant Marine and Fisheries. Subcommittee on Fisheries and Wildlife Conservation and the Environment
Publisher:
ISBN:
Category : Marine mammals
Languages : en
Pages : 344
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Book Description
Author: United States. Congress. House. Committee on Merchant Marine and Fisheries. Subcommittee on Fisheries and Wildlife Conservation and the Environment
Publisher:
ISBN:
Category : Marine mammals
Languages : en
Pages : 568
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Book Description
Author: United States. Congress. House. Committee on Merchant Marine and Fisheries. Subcommittee on Environment and Natural Resources
Publisher:
ISBN:
Category : Fisheries
Languages : en
Pages : 164
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