Annual Report of the Inter-American Tropical Tuna Commission
Author : Inter-American Tropical Tuna Commission
Publisher :
Page : 90 pages
File Size : 33,73 MB
Release : 1954
Category : Tuna
ISBN :
Author : Inter-American Tropical Tuna Commission
Publisher :
Page : 90 pages
File Size : 33,73 MB
Release : 1954
Category : Tuna
ISBN :
Author : United States. Marine Mammal Commission
Publisher :
Page : 470 pages
File Size : 39,39 MB
Release : 1980
Category : Marine mammals
ISBN :
Author : Inter-American Tropical Tuna Commission
Publisher :
Page : 190 pages
File Size : 34,38 MB
Release : 2001
Category : Baitfish
ISBN :
Author : United States. Marine Mammal Commission
Publisher :
Page : 252 pages
File Size : 25,44 MB
Release : 1993
Category : Marine mammals
ISBN :
Author : W. G. Smith
Publisher :
Page : 636 pages
File Size : 29,56 MB
Release : 1975
Category : Bothidae
ISBN :
Larval flatfishes, representing 4 families, 17 genera, and 15 species, were identified from collections taken during a 1-yr survey designed to locate spawning grounds and trace dispersion of fish eggs and larvae on the continental shelf. Most flatfishes began spawning in the spring, a time of marked seasonal temperature change. The seasonal distribution of larvae indicated that: 1) bothids had longer spawning seasons than pleuronectids; 2) pleuronectids spawned largely in the northern half of the survey area during the spring; 3) most bothids spawned in the southern half, beginning in spring and continuing through early fall; 4) although cynoglossids spawned incidentally off North Carolina, most of their larvae were transported into the survey area from spawning grounds south of Cape Lookout; 5) the few representatives of the family Soleidae originated south of Cape Lookout; 6) spawning that began in the spring proceeded from south to north as the season progressed, but spawning that began in the fall proceeded from north to south, suggesting that the onset of spawning is triggered by spring warming and fall cooling; 7) most species spawned within a relatively narrow range of temperature; 8) salinity had no apparent influence on spawning.
Author : United States. Congress. House. Committee on Merchant Marine and Fisheries. Subcommittee on Fisheries and Wildlife Conservation and the Environment
Publisher :
Page : 446 pages
File Size : 13,74 MB
Release : 1976
Category : Fishery law and legislation
ISBN :
Author : United States. Congress. House. Committee on Merchant Marine and Fisheries. Subcommittee on Fisheries and Wildlife Conservation and the Environment
Publisher :
Page : 426 pages
File Size : 19,92 MB
Release : 1976
Category : Gray whale
ISBN :
Author :
Publisher :
Page : 782 pages
File Size : 29,16 MB
Release : 1963
Category : Fisheries
ISBN :
Author : U.S. Fish and Wildlife Service
Publisher :
Page : 834 pages
File Size : 14,16 MB
Release : 1943
Category : Wildlife conservation
ISBN :
Author : Southwest Fisheries Center (U.S.)
Publisher :
Page : 688 pages
File Size : 11,77 MB
Release : 1984
Category : Fisheries
ISBN :