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根据2005年3月至2006年1月我国大型拖网加工渔船在东南太平洋的生产资料,结合海表温数据,按经纬度1°×1°的空间单位进行分析,利用Marine Explorer 4.0软件作图,研究作业渔场CPUE分布与海表温的关系。结果表明,适宜作业海表温为12~15℃,月平均CPUE呈正态分布:8月最高,为11.34 t/h;6~9月均超过7.00 t/h,密集鱼群区域分布在34°~40°S,79°~92°W,其海表温范围为13~15℃;10月平均CPUE为6.08 t/h,其表温范围为14~17℃;其余各月平均CPUE均不超过4.30 t/h。CPUE与适宜海表温关系通过K-S的检验。
According to the production data of the large-scale trawling fishing boats in the southeast Pacific from March 2005 to January 2006, the data of sea surface temperature were used to analyze the longitude and latitude 1 ° × 1 ° space units, and the mapping was done by using the software of Marine Explorer 4.0 Relationship between CPUE distribution and sea surface temperature in fishing grounds. The results showed that the suitable sea surface temperature for operation was 12-15 ℃, and the monthly average CPUE showed a normal distribution: the highest in August was 11.34 t / h, the average over 7.00 t / h from June to September, and the concentration of dense fish groups in 34 ° ~ 40 ° S and 79 ° ~92 ° W. The sea surface temperature ranged from 13 to 15 ° C. The average CPUE in October was 6.08 t / h with a range of 14-17 ° C. The average monthly CPUE Not more than 4.30 t / h. The relationship between CPUE and suitable sea surface temperature is verified by K-S.