Discrimination of ross's and lesser snow goose eggs

Ray T. Alisauskas; Stuart M. Slattery; John P. Ryder

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Discrimination of ross's and lesser snow goose eggs

机译：鉴别罗斯鹅蛋和小鹅蛋

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Our objective was to assess whether egg measurements could be used to discrim- inate accurately eggs of Ross's (Chen rossii) and Lesser Snow Geese (Chen caerulescens cae- rulescens). We used lengths and widths of eggs found in nests of known species at Arlone Lake in 1963 and Karrak Lake, Northwest Territories, in 1968, 1976, 1988 and 1991-1996. Although accuracy of classification varied slightly among years, discriminant function analyses Were 89-100 /100 successful in identifying species based on dimensions of individual eggs and Clutch means.

机译：我们的目标是评估是否可以使用鸡蛋测量值来准确区分罗斯氏（Chen rossii）和小雪雁（Chen caerulescens cae- Rulecens）的卵。我们使用了在1963年的Arlone湖和西北地区的Karrak湖，1968年，1976年，1988年和1991-1996年在已知物种的巢中发现的卵的长度和宽度。尽管多年来分类的准确性略有不同，但判别功能分析成功地基于单个鸡蛋的大小和离合装置的大小识别了89-100 / 100。

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《Journal of Field Ornithology》 |1998年第4期|p.647-653|共7页
作者
Ray T. Alisauskas; Stuart M. Slattery; John P. Ryder;
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收录信息美国《科学引文索引》(SCI);
原文格式 PDF
正文语种 eng
中图分类鸟纲;
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Discrimination of ross's and lesser snow goose eggs

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