Browsing Brage IMR by Author "Makhotin, Valeri"
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Development of Atlantic cod (Gadus morhua) exposed to produced water during early life stages: Effects on embryos, larvae, and juvenile fish
Meier, Sonnich; Morton, H. Craig; Nyhammer, Gunnar; Grøsvik, Bjørn Einar; Makhotin, Valeri; Geffen, Audrey J.; Boitsov, Stepan; Kvestad, Karen Anita; Bohne-Kjersem, Anneli; Goksøyr, Anders; Folkvord, Arild; Klungsøyr, Jarle; Svardal, Asbjørn Martin (Journal article; Peer reviewed, 2010-08-21)Produced water (PW) contains numerous toxic compounds of natural origin, such as dispersed oil, metals, alkylphenols (APs), and polycyclic aromatic hydrocarbons (PAHs). In addition, PW also contains many different chemicals ... -
Effects on development, sex differentiation and reproduction of Atlantic cod exposed to produced water during early life stages
Meier, Sonnich; Grøsvik, Bjørn Einar; Nyhammer, Gunnar; Geffen, Audrey J.; Knag, Anne Christine; Makhotin, Valeri; Morton, H. Craig; Boitsov, Stepan; Klungsøyr, Jarle (Conference object, 2007-05-20)Two long term studies to assess the effects of produced water (0.01-1 %) on the early life stages of cod were performed. Experiment 1 examined the egg to early fry stage (90 days), and experiment 2 examined the early ... -
Longterm studies on spawning in Arcto - Norwegian cod - mortality pattern of eggs and early larvae
Solemdal, Per; Makhotin, Valeri; Fonn, Merete (ICES CM documents, Working paper, 1998) -
The peculiarity of the development of White Sea cod. In: The propagation of cod Gadus morhua L.: an international symposium, Arendal, 14 - 17 June 1983
Makhotin, Valeri; Novikov, Georgii Gennadievich; Soin, S.G.; Timeiko, V.N. (Flødevigen rapportserie, Conference object, 1984)The paper discusses the main results of many years of research into spawning conditions and embryonic and larval developmenr of the White Sea cod, i.e., peculiaritres in morphogenesis, in the formation, structure and ... -
Types and frequency of malformations and mortality in eggs of Arcto-Norwegian cod: A field study
Makhotin, Valeri; Solemdal, Per; Korsbrekke, Knut; Salthaug, Are (ICES CM Documents;2001/N:12, Working paper, 2001)Embryological studies on living cod eggs in NUNC-trays showed that spontaneous malformations during embryo development are lethal. They are called natural egg mortality in contrast to external lethal factors, as ...