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handle: 10261/89000
[ES] Se han establecido correlaciones entre el radio orbital del movimiento polar y las capturas de bacalao 4 y 5 años más tarde en las subáreas I y IIb, para probar la posible relación entre el movimiento polar y la magnitud de las clases anuales del bacalao del Ártico. Los coeficientes de correlación varían entre 0,551 y 0,605 (P<0,001), usando series de capturas desde 1929 a 1982. Al parecer, el momento más favorable para que se produzca una gran clase anual de bacalao es cuando el radio aumenta. Para explicar esta relación se supone que el movimiento polar modifica la dinámica de las corrientes que cruzan el océano Atlántico Norte y, como consecuencia, la intensidad de la corriente de Noruega
[EN] We have correlated the orbital radius of polar motion and cod catches 4 and 5 years later in sub-areas I and IIb, to test a possible relationship between polar motion and the year class strength of Arctic cod. Correlation coefficients vary between 0.551 and 0.605 (P<0.001), for a historical series from 1929 to 1982. It seems also that the best moment for a great cod year class is when the radius increases. It is supposed to explain this relationship that polar motion changes the dynamics of currents crossing the North Atlantic Ocean and, as a consequence, the strength of the Norwegian Current
8 páginas, 3 figuras, 3 tablas
Peer reviewed
Bacalao, Year class, Movimiento polar, Arctic Ocean, Polar motion, Clase anual, Cod, Océano Ártico
Bacalao, Year class, Movimiento polar, Arctic Ocean, Polar motion, Clase anual, Cod, Océano Ártico
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