Cemal Turan, Gary R. Carvalho, Jarle Mork,
... spawners, Norwegian spring spawners, and two fjord populations, Balsfjord and Trondheimsfjord, on the Norwegian coast. Fifty enzymes ... apparent genetic homogeneity among remaining samples, including the Balsfjord; a region shown previously to contain an allozymically distinct population. Herring from the Balsfjord were shown allozymically to represent the Norwegian spring ... presence of two stocks, a deeper resident spawning (Balsfjord) and a shallower, non-native feeding population (Norwegian ... was small (highest=0.00029, between Trondheimsfjord and Balsfjord samples; lowest=0.00003, between Icelandic summer and ...
Tópico(s): Fish Ecology and Management Studies
1998 - Cambridge University Press | Journal of the Marine Biological Association of the United Kingdom
Jorge Santos, Stig Falk‐Petersen,
... in two fjords in northern Norway, Ullsfjord and Balsfjord. Of the two, Ullsfjord is the warmer and fairly typical of Norwegian coastal waters. Balsfjord is closer to the Barents Sea in its temperature regime and ecosystem. In Balsfjord, the main food of small cod consisted of ... feeding pelagically. The dietary transition to capelin in Balsfjord and to krill in Ullsfjord occurred when cod ...
Tópico(s): Marine and fisheries research
1989 - Oxford University Press | ICES Journal of Marine Science
Mats E. Pettersson, Angela P. Fuentes‐Pardo, Christina M. Rochus, Erik D. Enbody, Huijuan Bi, Risto Väinölä, Leif Andersson,
... a common ancestor about 2 million years ago. Balsfjord, a subarctic fjord in Northern Norway, harbors an ... that gene flow from Atlantic herring into the Balsfjord population has generated a stable hybrid population that ... thousands of generations. The Atlantic herring ancestry in Balsfjord was estimated in the range 25–26%. The ... of genetic material has facilitated adaptation in the Balsfjord population. The Balsfjord population provides a rare example of a stable ...
Tópico(s): Genetic and phenotypic traits in livestock
2023 - Oxford University Press | Genome Biology and Evolution
Matthias Forwick, Tore O. Vorren,
The deglaciation history of Balsfjord, northern Norway, and post-glacial mass movement events were investigated. Radiocarbon dates indicate that the Balsfjord glacier retreated from the Tromso–Lyngen moraines about ... the Skjevelnes moraine–in the central part of Balsfjord occurred. The transition from glacimarine to open marine ...
Tópico(s): Methane Hydrates and Related Phenomena
2002 - Wiley | Polar Research
Matthias Forwick, Tore O. Vorren,
The deglaciation history of Balsfjord, northern Norway, and post-glacial mass movement events were investigated. Radiocarbon dates indicate that the Balsfjord glacier retreated from the Tromsø–Lyngen moraines about ... the Skjevelnes moraine–in the central part of Balsfjord occurred. The transition from glacimarine to open marine ...
Tópico(s): Methane Hydrates and Related Phenomena
2002 - Wiley | Polar Research
... 55 stations throughout the Barents Sea and from Balsfjord, North Norway. The parasite is distributed widely throughout ... E. parvum in capelin was over‐dispersed in Balsfjord, where infection levels of between 1 and 28 ... Sea confirm the suggestion that the capelin of Balsfjord form a local isolated population, which does not ...
Tópico(s): Helminth infection and control
1979 - Wiley | Journal of Fish Biology
... a long fjord near Tromsö in northern Norway (Balsfjord) spawns, like the Newfoundland capelin (Jeffers, 1931, Ph. ... to gravel, stones and weed. The capelin from Balsfjord appear to be separate from the Barents Sea ...
Tópico(s): Fish Ecology and Management Studies
1986 - Cambridge University Press | Journal of the Marine Biological Association of the United Kingdom
O. Nyholmen, C. C. E. Hopkins,
... of capelin over a one-year period in Balsfjord (69°N 19°E), northern Norway, is described. ... well as evidence from parasitological tags, indicate that Balsfjord capelin are an isolated fjordic population, segregated from ...
Tópico(s): Genetic diversity and population structure
1988 - Oxford University Press | ICES Journal of Marine Science
Willy Hemmingsen, I. Lombardo, K. MacKenzie,
... the southern Barents Sea and one each from Balsfjord and Ullsfjord. Sixteen species of parasite were found, ... infection between locations. The large difference between the Balsfjord and Barents Sea samples provides evidence that cod in Balsfjord may comprise a population separate from those in ...
Tópico(s): Parasite Biology and Host Interactions
1991 - Elsevier BV | Fisheries Research
Knut Eirik Jørstad, Geir Dahle, Ole Ingar Paulsen,
... of genetically distinct fjord populations. One population in Balsfjord in northern Norway was nearly fixed for several ... estimates based on six polymorphic loci demonstrated that Balsfjord herring were more similar to Pacific herring. Balsfjord and Pacific herring were also similar in vertebrae ...
Tópico(s): Fish Ecology and Management Studies
1994 - Canadian Science Publishing | Canadian Journal of Fisheries and Aquatic Sciences
Hans Chr Eilertsen, Jofrid Skarðhamar,
... coast transects at three locations in north Norway (Balsfjord, Altafjord and Porsangerfjord), have been examined. Air and ... that has no sill (45 W m−2). Balsfjord, the only fjord with a sill, had the ... coastal water being restricted by the sills in Balsfjord. No clear heating or cooling trends could be ...
Tópico(s): Oceanographic and Atmospheric Processes
2006 - Elsevier BV | Estuarine Coastal and Shelf Science
... frequent large-scale advective water mass exchanges. In Balsfjord, studies of production and trophic relationships have shown ... macrofauna ( > 1 mm) in the deep basin of Balsfjord (185 m). Yearly monitoring surveys were conducted from ...
Tópico(s): Aquatic Invertebrate Ecology and Behavior
2000 - Taylor & Francis | Sarsia
Stephen D. Archer, PG Verity, Jacqueline Stefels,
... bloom in high latitude fjords. The 3 fjords, Balsfjord, Malangen and Ullsfjord (Norway), varied in oceanic influence ... 4450 and 6820 mg C m-2 in Balsfjord, Malangen and Ullsfjord, respectively. The composition of the ... the production of the <200 μm phytoplankton in Balsfjord, Malangen and Ullsfjord, respectively. When integrated to 20 ...
Tópico(s): Coastal wetland ecosystem dynamics
2000 - Inter-Research Science Center | Aquatic Microbial Ecology
... copepods were examined in studies in two areas: Balsfjord, Norway, and the Pacific sector of the Antarctic Polar Front. The Balsfjord study was conducted during the spring bloom of ...
Tópico(s): Marine Biology and Ecology Research
2001 - Oxford University Press | ICES Journal of Marine Science
S.E. Fevolden, JI Westgaard, Torstein Pedersen,
... Malangen, northern Norway. A spawning site in neighbouring Balsfjord was sampled during 5 consecutive spawning seasons (2002- ... 6 sampling years in Malangen and 3 in Balsfjord (n = 728). During all survey years there was ... 9 of 10 fish were males, and in Balsfjord 9 of 10 fish were males on average, ... ground is exclusively used by coastal cod. In Balsfjord, frequencies of the Pan IA allele were lower ( ...
Tópico(s): Reproductive biology and impacts on aquatic species
2015 - Inter-Research | Aquatic Biology
The "Balsfjord system" is a fully computerized system of medical records. The system is developed by the University of Tromsö in cooperation with the district physicians in Balsfjord. It is designed for Norwegian general practice based ...
Tópico(s): Scientific Computing and Data Management
1984 - Taylor & Francis | Scandinavian Journal of Primary Health Care
Sublittoral hard bottom biocoenoses in Balsfjord, Norway (69°31′ N, 19°1′ E), were monitored using underwater stereophotogrammetry. The study includes manipulation of natural densities of organisms ...
Tópico(s): Cephalopods and Marine Biology
1980 - Springer Nature | Helgoländer Wissenschaftliche Meeresuntersuchungen
... pattern of growth of C. islandica in the Balsfjord.
Tópico(s): Marine Bivalve and Aquaculture Studies
1980 - Elsevier BV | Journal of Experimental Marine Biology and Ecology
... in one year from three stations in the Balsfjord (69°N) were analysed. The possibility that the ...
Tópico(s): Fish Ecology and Management Studies
1982 - Oxford University Press | ICES Journal of Marine Science
Nicholas J. Bax, Jens‐Eric Eliassen,
... the ecosystem, mediated through predation. Primary productivity in Balsfjord was channelled mainly through the pelagic system, although ...
Tópico(s): Wildlife Ecology and Conservation
1990 - Oxford University Press | ICES Journal of Marine Science
C. C. E. Hopkins, Einar M. Nilssen,
... stock of Pandalus borealis (Krøyer) were studied in Balsfjord (ca. 70°N) at about monthly intervals between ...
Tópico(s): Marine and fisheries research
1990 - Oxford University Press | ICES Journal of Marine Science
Victor A. Melezhik, David L. Roberts, И. М. Горохов, Anthony E. Fallick, K.B. Zwaan, А. Б. Кузнецов, B. G. Pokrovsky,
... late Ordovician–early Silurian, low-grade, fossiliferous succession (Balsfjord Group), have been studied for carbon, oxygen and ... 86Sr=0.7083, δ13C=+4.3‰) of the Balsfjord Group. The remaining, fourth formation of the Evenes ...
Tópico(s): Geochemistry and Elemental Analysis
2002 - Elsevier BV | Precambrian Research
... without fish farming activity, the Ranafjord and the Balsfjord. Anadromous brown trout Salmo trutta (sea trout) in ... and 8·6 sea lice, respectively, while in Balsfjord it was 3·6 and 4·5 sea ...
Tópico(s): Helminth infection and control
2004 - Wiley | Journal of Fish Biology
Marit Reigstad, Paul Wassmann, T. N. Rat’kova, Е. Г. Арашкевич, A. F. Pasternak, Sigrid Øygarden,
... out in April 1997 in 3 fjords, Ullsfjord, Balsfjord and Malangen, which exhibit different hydrographic conditions in ... flux, and it was of minor importance in Balsfjord. In contradiction to previous findings in the area, ...
Tópico(s): Marine and fisheries research
2000 - Inter-Research | Marine Ecology Progress Series
Janet Coker-Dewey, Mark G. Steltenpohl, Arild Andresen,
... overlying fossiliferous (Upper Ordovician-Lower Silurian) metasedimentary rocks (Balsfjord Group) of the Lyngen Nappe Complex and (2) ... gradient exists within the prograde assemblages of the Balsfjord Group, such that chlorite-zone assemblages occur at ...
Tópico(s): Paleontology and Stratigraphy of Fossils
2000 - Norwegian Geological Society | Norsk Geologisk Tidsskrift
Lars Eivind Augland, Arild Andresen, Deta Gasser, Mark G. Steltenpohl,
... forming the substratum to carbonate–schist–quartzite sequences (Balsfjord and Evenes groups, respectively), yielded ages of 481 ... 425 Ma is a leucogranite that intruded the Balsfjord Group. The Lu–Hf data indicate a common ...
Tópico(s): Paleontology and Stratigraphy of Fossils
2013 - Geological Society of London | Geological Society London Special Publications
V. Schoemann, Roland Wollast, Lei Chou, C. Lancelot,
... collected during a P. pouchetii bloom in the Balsfjord (subarctic Norwegian fjord) and a P. globosa bloom ... Fe. The positive linear relationships observed for the Balsfjord samples between the Mn uptake and the C ...
Tópico(s): Marine and coastal ecosystems
2001 - Wiley | Limnology and Oceanography
... depths between 15 m and 40 m in Balsfjord, north Norway, collected most spat at depths of ...
Tópico(s): Marine Biology and Environmental Chemistry
1982 - Elsevier BV | Aquaculture
Hans Chr Eilertsen, Stig Falk‐Petersen, C. C. E. Hopkins, Kurt S. Tande,
Abstract The ‘Balsfjord Project’, is an inter-disciplinary research project which concentrates on fish, shell-fish, plankton, and hydrography. In this ...
Tópico(s): Marine and fisheries research
1981 - Taylor & Francis | Sarsia
Stephan Lutter, Jens Petter Taasen, C. C. E. Hopkins, Victor Smetacek,
Tópico(s): Isotope Analysis in Ecology
1989 - Springer Science+Business Media | Polar Biology