Results 91 to 100 of about 26,050 (208)

Evaluation of skate meal and sablefish viscera meal as fish meal replacement in diets for Pacific threadfin (Polydactylus sexfilis)

open access: yesAquaculture Research, 2012
The objectives of this study were to investigate the nutritional value of skate meal and sablefish viscera meal from Alaskan fishery processing and to ascertain their suitability as replacements for pollock fishmeal in diets for Pacific threadfin (Polydactylus sexfilis).
Zhi Yong Ju   +5 more
openaire   +1 more source

The reproductive cycle of the thorny skate (Amblyraid radiata) in the western Gulf of Maine [PDF]

open access: yes, 2005
The thorny skate (Amblyraja radiata) is a large species of skate that is endemic to the waters of the western north Atlantic in the Gulf of Maine.
Danley, Patrick D.   +6 more
core   +1 more source

Food habits of Steller sea lions (Eumetopias jubatus) off Oregon and northern California, 1986–2007 [PDF]

open access: yes, 2011
We described the diet of the eastern stock of Steller sea lions (Eumetopias jubatus) from 1416 scat samples collected from five sites in Oregon and northern California from 1986 through 2007.
Brown, Robin F.   +2 more
core  

Marine recreational fisheries statistics survey for northern and central California, Quarterly Report no. 6, October to December, 1980 [PDF]

open access: yes, 1988
Field intercept Marine Recreational Fisheries Statistics Survey (MRFSS) data for central and northern California, collected in October to December. 1980, is presented in a data report format.
Karpov, Konstantin A.   +2 more
core  

Agassiz, Garman, Albatross, and the Collection of Deep-sea Fishes [PDF]

open access: yes, 1999
The first of Alexander Agassiz’ voyages on the U.S. Fish Commission steamer Albatross in 1891 yielded significant scientific results. This paper reviews the background of the voyage, including the career path that led Agassiz to the back deck of the ...
Hartel, Karsten E.   +2 more
core  

Tasa de oviposición de la raya marmolada Sympterygia bonapartii (Elasmobranchii, Rajidae) (Müller & Henle, 1841) mantenida en cautiverio [PDF]

open access: yes, 2009
Se registró la tasa de oviposición de Symperygia bonapartii en cautiverio. En un período de un año una hembra depositó 152 ovicápsulas a una tasa de 0.4 huevos por día y la otra depositó 200 ovicápsulas a una tasa de 0.5 huevos por día.The oviposition ...
Jañez, Julieta A., Sueiro, Maria Cruz
core  

Classification of Coastal Communities Reporting Commercial Fish Landings in the U.S. Northeast Region: Developing and Testing a Methodology [PDF]

open access: yes, 2011
The National Marine Fisheries Service is required by law to conduct social impact assessments of communities impacted by fishery management plans. To facilitate this process, we developed a technique for grouping communities based on common sociocultural
Colburn, Lisa L.   +3 more
core  

Marine recreational fisheries statistics survey for northern and central California, Quarterly Report no. 10, October to December, 1981 [PDF]

open access: yes, 1988
Field intercept Marine Recreational Fisheries Statistics Survey (MRFSS) data for central and northern California, collected in October to December. 1981, is presented in a data report format.
Karpov, Konstantin A.   +1 more
core  

Government-Industry Cooperative Fisheries Research in the North Pacific under the MSFCMA [PDF]

open access: yes, 2001
The National Marine Fisheries Service’s Alaska Fisheries Science Center (AFSC) has a long and successful history of conducting research in cooperation with the fishing industry. Many of the AFSC’s annual resource assessment surveys are carried out aboard
Dorn, Martin W.   +5 more
core  

The Global Threat to Manta and Mobula Rays [PDF]

open access: yes, 2010
Manta and mobula rays span the tropics of the world and are among the most captivating and charismatic of marine species. However, their survival is severely threatened by growing fisheries pressure driven by demand for the gill rakers that the animals ...
Shawn Heinrichs
core  

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