Zobrazeno 1 - 10
of 10
pro vyhledávání: '"Tómas Árnason"'
Publikováno v:
Fishes, Vol 9, Iss 11, p 460 (2024)
This study describes the first successful rearing of capelin from hatch to adulthood in a laboratory setting using intensive culture methods. Over the span of about two years, the capelin were reared in aquaculture tanks under a constant temperature
Externí odkaz:
https://doaj.org/article/a4bb1a339b454c00b93f02a4782ae021
Autor:
Ásgeir Bjarnason, Andrés Gunnarsson, Tómas Árnason, Matthías Oddgeirsson, Anton Björn Sigmarsson, Ásgeir Gunnarsson
Publikováno v:
Animal Biotelemetry, Vol 7, Iss 1, Pp 1-10 (2019)
Abstract Background Archival tags have been used on fish for a number of years to measure temperature, pressure and salinity, among other parameters. Measurements of heart rate in fish can be used in a wide variety of biological and ecological studie
Externí odkaz:
https://doaj.org/article/bd9f37c27c5247f5ae49febfa346a64e
Publikováno v:
Journal of Marine Science and Engineering, Vol 10, Iss 2, p 167 (2022)
The effects of early thermal environment on growth, age at maturity, and sexual size dimorphism in Arctic charr (Salvelinus alpinus) are investigated. This study is a 654-day long rearing trial split into two sequential experimental phases termed EP1
Externí odkaz:
https://doaj.org/article/0d227db4222b43dbab86400e70899438
Autor:
Tómas Árnason, Matthías Oddgeirsson, Ásgeir Gunnarsson, Asgeir Bjarnason, Andres Gunnarsson, Anton Björn Sigmarsson
Publikováno v:
Animal Biotelemetry, Vol 7, Iss 1, Pp 1-10 (2019)
Background Archival tags have been used on fish for a number of years to measure temperature, pressure and salinity, among other parameters. Measurements of heart rate in fish can be used in a wide variety of biological and ecological studies, e.g.,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::42ea68dc089fd06a0741110db3cd5300
http://link.springer.com/article/10.1186/s40317-019-0176-4
http://link.springer.com/article/10.1186/s40317-019-0176-4
Autor:
Heiðdís Smáradóttir, Marcus Johansson, Albert K. Imsland, B. Th. Björnsson, Tómas Árnason, Snorri Gunnarsson, Arnþór Gústavsson, Jón Árnason, Helgi Thorarensen
Publikováno v:
Journal of Fish Biology. 85:1211-1226
The effects of a 6 week short-day photoperiod followed by continuous light, applied during the juvenile phase of Arctic charr Salvelinus alpinus in fresh water on smoltification and on the long-term growth and maturity following transfer to brackish
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cbbd21322fdf6660299b9b40490576a0
https://doi.org/10.1111/jfb.12524
https://doi.org/10.1111/jfb.12524
Autor:
Arnþór Gústavsson, Snorri Gunnarsson, Agnar Steinarsson, Helgi Thorarensen, Albert K. Imsland, Tómas Árnason, Heiðdís Smáradóttir, B. Th. Björnsson, Marcus Johansson
Publikováno v:
Journal of Fish Biology. 85:1145-1162
Arctic charr Salvelinus alpinus of the Holar strain (mean ± s.e. body mass = 152·1 ± 3·1 g) were reared at four different salinity regimes at a constant temperature of 7·4° C. Two groups were given a three-month acclimation in salinity 18 befor
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5953dda0dd5f389da34c4bf8bf9ba77b
https://doi.org/10.1111/jfb.12462
https://doi.org/10.1111/jfb.12462
Autor:
Björn Th. Björnsson, Björn Thrandur Björnsson, Tómas Árnason, Bergljót Magnadóttir, Agnar Steinarsson
Publikováno v:
Aquaculture. :70-79
The effects of salinity and temperature on growth, plasma ions, cortisol and immune parameters were investigated in two experiments. In the first experiment small, medium and large juvenile Atlantic cod Gadus morhua (initial average weights of 1.9, 8
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4e87a3afd712ff3590197b89e19018a3
https://doi.org/10.1016/j.aquaculture.2012.11.036
https://doi.org/10.1016/j.aquaculture.2012.11.036
Publikováno v:
Aquaculture Research. 43:292-296
Two year-classes of Atlantic cod were reared in indoor tanks from November 2002 to November 2004. The average annual mortality was 21% and 36% for males and females respectively. The highest monthly mortality rates in females were observed around and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fec37b22810844fb1813b410e5f593ab
https://doi.org/10.1111/j.1365-2109.2011.02829.x
https://doi.org/10.1111/j.1365-2109.2011.02829.x
Publikováno v:
Aquaculture. 295:218-225
article i nfo Six size groups of hatchery produced turbot (2-499 g) were reared at six constant temperatures (10-25 °C). The results were used to develop a mathematical model for growth rate and feed conversion in turbot. At each temperature there w
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ae343b93868c53d6e8cc54cef362f11c
https://doi.org/10.1016/j.aquaculture.2009.07.004
https://doi.org/10.1016/j.aquaculture.2009.07.004
Publikováno v:
Aquaculture. 271:216-226
Results from several laboratory experiments showed that at each temperature there was a linear relationship between the logarithms of specific growth rate (G%/day) and body weight (W g) of Atlantic cod fed to satiation: lnG= α+ βlnW. Both α and β
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b7341dc3f02d30d81bb1452ffd0eec1d
https://doi.org/10.1016/j.aquaculture.2007.06.026
https://doi.org/10.1016/j.aquaculture.2007.06.026