Near extinction of a large, widely distributed fish

被引：257

作者：

Casey, JM

Myers, RA ^{[1
]}

机构：

[1] Dalhousie Univ, Dept Biol, Halifax, NS B3H 4J1, Canada

[2] Mem Univ Newfoundland, Dept Biol, St Johns, NF A1C 5S7, Canada

来源：

SCIENCE | 1998年 / 281卷 / 5377期

关键词：

D O I：

10.1126/science.281.5377.690

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

Are extinctions of marine vertebrates as rare and unlikely as current data indicate? Long-term research surveys on the continental shelf between the Grand Banks of Newfoundland and southern New England reveal that one of the Largest skates in the northwest Atlantic, the barndoor skate (Raja laevis), is close to extinction. Forty-five years ago. research surveys on St. Pierre Bank (off southern Newfoundland) recorded barndoor skates in 10% of their tows; in the Last 20 years, none has been caught, and this pattern of decline is similar throughout the range of the species.

引用

页码：690 / 692

页数：5

共 21 条

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