Výsledky vyhledávání - "R. G. Hislop"

Predation by seals on salmonids in two Scottish estuaries

Autor: Graham J. Pierce, J. R. G. Hislop, T. J. Carter, Peter Boyle, J. A. Houseman

Publikováno v: Fisheries Management and Ecology. 8:207-225

Detailed observations of the behaviour of harbour seals, Phoca vitulina L., at sites within the estuaries of the Rivers Dee and Don, in north-eastern Scotland, were made over two full years between 1993 and 1996. Small numbers of grey seals, Halichoe

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5e00aa630d1a2adf4391659e5c85e602
https://doi.org/10.1046/j.1365-2400.2001.00247.x

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A synthesis of the early life history of the anglerfish, Lophius piscatorius (Linnaeus, 1758) in northern British waters

Autor: Fiona M. Kennedy, Peter J. Wright, John R. G. Hislop, Stuart A. Reeves, Alejandro Gallego, Michael R. Heath

Publikováno v: ICES Journal of Marine Science. 58:70-86

Although the anglerfish Lophius piscatorius is now a species of major commercial importance, our understanding of its basic biology is far from complete. Here, the early life history of L. piscatorius is investigated by otolith daily increment analys

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4b96a647d9c1a74444e7b498b6d24f76
https://doi.org/10.1006/jmsc.2000.0991

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Sensitive skates or resilient rays? Spatial and temporal shifts in ray species composition in the central and north-western North Sea between 1930 and the present day

Autor: P. A. Walker, J. R. G. Hislop

Publikováno v: ICES Journal of Marine Science. 55:392-402

Historic and current survey data are compared to describe the changes occurring in abundance, species richness and length-frequency of the rajid community in the central and north-western North Sea between the periods 1929-1956 and 1981-1995. Survey

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b1bba6430027191d156eb14b34c9fd1d
https://doi.org/10.1006/jmsc.1997.0325

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Diel feeding patterns and the development of food webs in pelagic 0-group cod (Gadus morhuaL.), haddock (Melanogrammus aeglefinusL.), whiting (MerlangiusmerlangusL.), saithe (Pollachius virensL.), and Norway pout (Trisopterus esmarkiiNilsson) in the northern North Sea

Autor: T. Watson, J. R. G. Hislop, P. J. Bromley

Publikováno v: ICES Journal of Marine Science. 54:846-853

Bromley, P. J., Watson, T., and Hislop, J. R. G. 1997. Diel feeding patterns and the development of food webs in pelagic 0-group cod (Gadus morhua L.), haddock (Melanogrammus aeglefinus L.), whiting (Merlangius merlangus L.), saithe (Pollachius viren

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f2f31a3b816a35898a27d1f98936d830
https://doi.org/10.1006/jmsc.1996.0211

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The reproduction of anglerfish Lophius piscatorius Linnaeus from the north-west coast of Scotland

Autor: I. P. Afonso-Dias, J. R. G. Hislop

Publikováno v: Journal of Fish Biology. 49:18-39

The reproductive cycle of anglerfish was studied by examining fresh material obtained from commercial landings and research vessel surveys. The general morphology and histology of the gonads are described. This species has unusual gonads. The testes

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6614358dc437c952d7e56a6f4d3c6f96
https://doi.org/10.1111/j.1095-8649.1996.tb06065.x

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Changes in North Sea gadoid stocks

Autor: John R. G. Hislop

Publikováno v: ICES Journal of Marine Science. 53:1146-1156

Abundance and biomass of the major gadoid species in the North Sea have undergone large changes in the present century. During the gadoid outburst of the 1960s and 1970s, cod, haddock, whiting, and Norway pout produced some of the largest (as well as

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b274f94b278e0507f797c7ff2222e0d5
https://doi.org/10.1006/jmsc.1996.0140

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An invasion of the North Sea by blue-mouth,Helicolenus dactylopterus(Pisces, Scorpaenidae)

Autor: Trevor W. Boon, H.J.L. Heessen, John R. G. Hislop

Publikováno v: ICES Journal of Marine Science. 53:874-877

Blue-mouth (Helicolenus dactylopterus) is one of four species of the Scorpaenidae which may be caught in the North Sea. It is known as a typical deep water fish which lives along the shelf edge. Reports from the North Sea have been rare. An invasion

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6896bb192328c0674e3f65d82df6826c
https://doi.org/10.1006/jmsc.1996.0108

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Variation in the calorific value and total energy content of the lesser sandeel ( Ammodytes marinus ) and other fish preyed on by seabirds

Autor: J Smith, J. R. G. Hislop, Michael P. Harris

Publikováno v: Journal of Zoology. 224:501-517

Wet and dry calorific values (energy densities) and total energy content of lesser sandeel Ammodytes marinus, sprat Sprattus sprattus, Atlantic herring Clupea harengus, whiting Merlangius merlangus, saithe Pollachius virens and cod Gadus morhua, were

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a5cf3885606256e1e1832df967816e22
https://doi.org/10.1111/j.1469-7998.1991.tb06039.x

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