首页   按字顺浏览 期刊浏览 卷期浏览 The Feeding of Kingfishers: Food of Nestlings and Effect of Water Height
The Feeding of Kingfishers: Food of Nestlings and Effect of Water Height

 

作者: H. C. White,  

 

期刊: Journal of the Fisheries Board of Canada  （NRC Available online 1938）
卷期: Volume 4a, issue 1  

页码: 48-52

 

ISSN:0706-652X

 

年代: 1938

 

DOI:10.1139/f38-004

 

出版商: NRC Research Press

 

数据来源: NRC

 

摘要:

Nestlings on the Margaree river, Nova Scotia, are fed young salmon and trout only, whose average size increases with that of the bird, indicating selection by the parents. The proportion of trout (Salvelinus fontinalis) to young salmon (Salmo salar) in the food of the adults varies directly with the height of the water.

 

点击下载:  PDF (222KB)



返 回