MIGRATION OF PASSERINE NIGHT MIGRANTS ACROSS ENGLISH CHANNEL STUDIED BY RADAR

被引：35

作者：

PARSLOW, JLF

机构：

[1] Edward Grey Institute, Oxford, Botanic Garden

来源：

IBIS | 1969年 / 111卷 / 01期

关键词：

D O I：

10.1111/j.1474-919X.1969.tb01604.x

中图分类号：

Q95 [动物学];

学科分类号：

071002 ;

摘要：

An account is given of the migration of British summer resident small passerine night migrants across the English Channel in spring and autumn, as detected by radar. The main times of passage of each species have been determined from the trapping records of Dungeness Bird Observatory. The tracks of the migrants are consistent with the view that they always head about NNW in spring and SSE in autumn but may be drifted by a cross‐wind. The wind‐direction and speed had a paramount influence on the volume of migration in both spring and autumn. Temperature had no effect in autumn, and though there was more migration with warmer than cold weather in spring, this need not have been due to the influence of temperature as such. Small reversed movements occurred, with southerly winds in autumn or, more doubtfully, with northerly winds in spring. Copyright © 1969, Wiley Blackwell. All rights reserved

引用

页码：48 / &

共 12 条

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