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Recruitment patterns of the pink shrimp Farfantepenaeus duorarum in the southern Gulf of Mexico

机译：墨西哥湾南部粉红色虾Farfantepenaeus duorarum的招聘模式

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摘要

Analysis of monthly recruitment of pink shrimp Farfantepenaeus duorarum (Burkenroad, 1939), to the Campeche Sound in the southern Gulf of Mexico from 1969 to 1994 shows high recruitment from July to November and lower recruitment from December to June. Recruitment has declined since the late 1970s, plummeting since the mid-1980s and reaching particularly low values from 1991 to 1994. From 1970 to 1985, the recruitment pattern showed lower than average values from October to February and higher than average values during April to September. From 1986 to 1994, the opposite pattern was the norm. The results suggest that long-term environmental change is related to seasonal changes in the recruitment pattern of juveniles and to a long-term decline in recruitment and catch.
机译：1969年至1994年每月对粉红色虾Farfantepenaeus duorarum（Burkenroad，1939年）到墨西哥湾南部坎佩切海峡的每月募集情况进行的分析显示，7月至11月的募集量较高，而12月至6月的募集量较低。自1970年代末以来，招聘人数有所下降，自1980年代中期以来急剧下降，并且在1991年至1994年之间的价值特别低。从1970年至1985年，招聘模式显示，十月至二月的收入低于平均水平，四月至九月的水平高于平均水平。 。从1986年到1994年，相反的模式是常态。结果表明，长期的环境变化与少年招募方式的季节性变化以及招募和捕捞量的长期下降有关。

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