VALIDATION OF LAKE WHITEFISH CATCH-PER-UNIT-EFFORT DATA WITH TIME-SERIES ANALYSIS

被引：0

作者：

LIU, KM ^{[1
]}

JENSEN, AL ^{[1
]}

机构：

[1] UNIV MICHIGAN, SCH NAT RESOURCES, ANN ARBOR, MI 48109 USA

来源：

TRANSACTIONS OF THE AMERICAN FISHERIES SOCIETY | 1992年 / 121卷 / 06期

关键词：

D O I：

10.1577/1548-8659(1992)121<0797:VOLWCD>2.3.CO;2

中图分类号：

S9 [水产、渔业];

学科分类号：

0908 ;

摘要：

Catch-per-unit-effort (CPUE) data for lake whitefish Coregonus clupeaformis in Michigan waters of Lake Huron were examined with time analysis to test if they can describe the abundance of lake whitefish. Relations between lake whitefish CPUE and environmental and biological data were investigated with cross-correlation analysis. A 4-year time lag, corresponding to the age at maturity, was found for lake whitefish CPUE. Cross-correlation analysis indicated that lake whitefish CPUE was negatively correlated with monthly air temperatures and abundance of sea lamprey Petromyzon marinus in previous years, and CPUE was positively correlated with fishing effort 1 year later. The results indicated that fishermen track lake whitefish abundance and that CPUE can describe fluctuations of the lake whitefish population.

引用

页码：797 / 801

页数：5

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