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[Impact of surface temperature and salinity on the recruiting of the pink shrimp Farfantepenaeus duorarum (Decapoda: Penaeidae), in Sonda de Campeche, Gulf of Mexico].

Authors: Ramírez-Rodríguez, Mauricio; Arreguín-Sánchez, Francisco; Lluch-Belda, Daniel;

[Impact of surface temperature and salinity on the recruiting of the pink shrimp Farfantepenaeus duorarum (Decapoda: Penaeidae), in Sonda de Campeche, Gulf of Mexico].

Abstract

Con el objetivo de evaluar los efectos a largo plazo de variables ambientales en la población de camarón rosado Farfantepenaeus duorarum en la Sonda de Campeche, al sur del Golfo de México, se analizaron los patrones de variación del reclutamiento, la salinidad y la temperatura superficial de 1969 a 1991. El reclutamiento muestra una clara tendencia decreciente desde la década de los años setenta, con una disminución acentuada desde los años ochenta. La temperatura superficial muestra una tendencia al aumento, particularmente desde 1972. La diferencia entre la temperatura a mediados de los setenta y finales de los ochenta fue de 0.5 °C. A lo largo del periodo de estudio la salinidad disminuyó. En el largo plazo, el reclutamiento muestra correlación negativa con la temperatura superficial y positiva con la salinidad. Los efectos de estas variables son estadísticamente significativos, explicando respectivamente el 52 % y 55 % de la variación del reclutamiento y, aunque no implican relaciones causa-efecto, sugieren simultaneidad de cambio.

We studied the long term effects of two environmental variables, salinity and surface temperature, on the pink shrimp (Farfantepenaeus duorarum) population in the southern Gulf of Mexico, considering the relationship between recruiting and the concurrent shrimp stock depletion of the last two decades. Our data were collected from 1969 to 1991. Recruitment has been clearly declining, particularly in the 1970s, with an accentuated drop since the 1980s. Sea surface temperatures have steadily risen, particularly since 1972. The temperature difference between the mid 1970s and the late 1980s is 0.5 °C. Salinity decreased throughout the period. From a long term perspective, recruitment is negatively correlated with temperature and positively correlated with salinity. The effects of temperature and salinity are statistically significant, explaining 52 % and 55 % of the variation in recruitment, respectively.

Keywords

Penaeidae, Temperature, Animals, Sodium Chloride, Mexico

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
1
Average
Average
Average
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gold