Both populations have adapted to the maximization of energy in your environment, as well as to a mo

Concepción González, researcher Vigo Oceanographic Centre of the Spanish Institute of Oceanography (IEO), defended last March 5 at the University of Vigo his doctoral thesis, showing how habitat characteristics, together with the action of fishing pressure, have adaptive divergence generated American plaice (Hippoglossoides platessoides) the Grand Banks and Flemish Cap, which resulted in changes in the biological and ecological characteristics that best suit each medium.
The paper analyzes the changes in the last decade in the biological and ecological characteristics of populations distributed American plaice on the Grand Banks of Newfoundland and the Flemish Cap bank (in the northwest Atlantic), after being subject both to a intense overfishing since the sixties.
The period covered in the study was from 1992 to 2010, and confirmed the differences in biological parameters and ecological pattern of these populations, while showed no significant changes compared to previous north american fishing club periods. Therefore, the drastic changes experienced in their biomass and abundance, caused no effects initially considered.
Both populations have adapted to the maximization of energy in your environment, as well as to a more adequate to obtain the best balance between the growth rate, age at first maturation and natural mortality rate in their respective environments.
The ontogenetic changes in the diet of American plaice of the Grand Bank are the basis of changes in their life cycle. These changes in power at any given time are a higher energy content in the diet, making it possible to increase north american fishing club its growth rate, which until that time was lower than that developed by the people north american fishing club of Flemish Cap. However, in this area, the flounder has a diet richer in the early years of their life cycle that allows you to initially higher growth rate, but would not be as favorable north american fishing club later in adulthood.
An interministerial committee will coordinate the planning north american fishing club of the marine environment
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