Cod stories: Trade dynamics and duration for Norwegian cod exports
نویسندگان
چکیده
منابع مشابه
Reliability of trawl surveys on cod in Norwegian fjords
According to ICES, the International Council for the Exploration of the Sea, populations of coastal cod (CC) in Norway north of 628N have been declining since 1994. The estimates are based on analytical assessment in which the most recent estimates are tuned with survey information. We evaluate the quality of bottom-trawl surveys conducted in four North Norwegian fjords during autumn of the yea...
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Time series of 0and 1-group cod sampled in the period 1919 to 1994 at 38 stations along the Norwegian Skagerrak coast were investigated using spatial and temporal analyses. Both groups displayed similar spatial structure and had similar spatial distributions. Spatial heterogeneity occurred on a mesoscale (differences between fjords) and on a local scale (both groups significantly more abundant ...
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Animals partition and trade off their resources between competing needs such as growth, maintenance, and reproduction. Over a lifetime, allocation strategies should result in distinct trajectories for growth, survival, and reproduction, but such longitudinal individual data are difficult to reconstruct for wild animals and especially marine fish. We were able to reconstruct two of these traject...
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(Curr. Biol. 16, R474–R475), and from the shift in the chemical equilibria involving the carbonate ion. Wootton's work also highlights the complex dynamics of pH and carbonate changes over time. A lot more research is needed to understand in detail how these changes will play out and how they will interact with wildlife and with the changes in the atmosphere. For instance, it is not at all clea...
متن کاملRecruitment Variability in North Atlantic Cod and Match-Mismatch Dynamics
BACKGROUND Fisheries exploitation, habitat destruction, and climate are important drivers of variability in recruitment success. Understanding variability in recruitment can reveal mechanisms behind widespread decline in the abundance of key species in marine and terrestrial ecosystems. For fish populations, the match-mismatch theory hypothesizes that successful recruitment is a function of the...
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ژورنال
عنوان ژورنال: Journal of Commodity Markets
سال: 2018
ISSN: 2405-8513
DOI: 10.1016/j.jcomm.2017.12.002