摘要
根据1996～2001年6～11月西北太平洋海城柔鱼生产统计及其表温数据,利用GAM模型分析了表温、月份、经玮度等因子对柔鱼资源状况的影响。分析结果认为,经纬度、月份和表温对CPUE都有较大的影响。160°E以西海域CPUE高,而165°E以东海域CPUE低,并主要集中在40°N～43°N海域。一般在8～10月的CPUE最大。柔鱼分布的各海域其表温不相同,150°E以西海域表温为13～18℃;150°E～165°E海域为14～18℃,165°E-180°E海域为11～14℃。
Based on the catch data and SST in the Northwestern pacific from June to Novembet during 1996 to 2001, the effects of SST and temp-spatial factors on the abundance of nylon flying squid are analyzed using generalized additive models. The results show that these factors greatly affect the squid abundance. In the waters west of 160 E, the CPUE is relatively high, while in the waters east of 165 E the CPUE is low. The squid are mainly located in the waters of 40°-43°N. Generally the CPUE attains the highest level from August to October. The SST varies with the different areas where the squid are distributed. In the waters west of 150°E, the SST is between 13℃ and 18℃. In the waters between 150°and 165°E, the SST is from 14℃ to 18℃. In the waters between 165°E and 180°E, the SST is from 11℃ to 14℃.
出处
《海洋湖沼通报》
CSCD
北大核心
2007年第2期104-113,共10页
Transactions of Oceanology and Limnology
基金
上海市科委启明星计划(编号02QC14040)
上海市重点学科捕捞学(T1101)资助
关键词
柔鱼
表温
时空因子
GAM模型
西北太平洋
Ommastrephes bartrami
SST
temp-spatial factors
generalized additive models
Northwestern pacific
