Impact of environmental temperature on Atlantic cod Gadus morhua energy allocation to growth, condition and reproduction

Spatial and annual variation in fecundity and oocyte atresia of yellowtail flounder, Limanda ferruginea, in U.S. waters

“…Similarly, down-regulation was highest in 2011 for both the GOM and SNE stocks. Interannual variations in fecundity has frequently been related to environmental conditions, feeding, or both (Horwood et al, 1989;Kjesbu and Witthames, 2007;Morgan et al, 2010;Skjaeraasen et al, 2006), therefore synchrony across stocks in certain years may indicate larger scale (regional) forcing of environmental conditions. However, PAF was not synchronized among regions in all years (i.e.…”

Bottom-up effects of climate on fish populations: data from the Continuous Plankton Recorder

“…For example, numerous studies have demonstrated that temperature has a profound effect on the physiology of fish larvae (Pörtner & Farrell 2008). Temperature influences the rates of metabolic processes that govern energetics linked to growth, reproduction, immune competence and behaviour (Houde 1989, Batty & Blaxter 1992, Morgan et al 2010, Pörtner & Peck 2010. Moreover, the influence of temperature on the physics of the environment and the subsequent impact on its organisms may be substantial.…”

Sperm plasticity to seawater temperatures in Atlantic cod Gadus morhua is affected more by population origin than individual environmental exposure

“…Several studies have shown that temperature plays a crucial role in fish reproductive biology (Donelson et al 2010, Morgan et al 2010, Pankhurst & Munday 2011, including sperm physiology (reviewed by Alavi & Cosson 2005). However, the way in which an individual's environmental history and genetic background shape the effect of temperature on reproductive performance has remained unclear.…”

“…Third, distinct populations show multi-gene patterns of temperaturerelated variation indicative of adaptation to local thermal regimes (Bradbury et al 2010, Behrens et al 2012. Fourth, several studies suggest potential temperature effects on cod reproductive performance (Kjesbu et al 2010, Morgan et al 2010, Purchase et al 2010. Fifth, Atlantic cod sperm biology has been well researched, providing a good basis by which to design experiments to test for thermal responses (Trippel & Morgan 1994a, Skjaeraasen et al 2009, Purchase et al 2010.…”