Observer variation in estimates of Meadow Pipit Anthus pratensis and Skylark Alauda arvensis abundance on moorland

被引:13
作者
Buchanan, GM [1 ]
Pearce-Higgins, JW [1 ]
Grant, MC [1 ]
机构
[1] RSPB, Edinburgh EH4 3T9, Midlothian, Scotland
关键词
D O I
10.1080/00063650609461421
中图分类号
Q95 [动物学];
学科分类号
071002 ;
摘要
Capsule Counts least susceptible to observer effects were those within 25 m of a transect and the total number along a transect, with observer effects greater for distance sampling. © 2006 British Trust for Ornithology.
引用
收藏
页码:92 / 95
页数:4
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