Study on Population Quantity of Mergus squamatus in Yiyang Wintering Habitat from 2001 to 2008
2001~2008年中华秋沙鸭弋阳越冬区种群数量的变化
A research was conducted on the changes of body weight, body length, wing length, tail length, and beak length of Merganser (Mergus squamatus) fed after rescued from birth to 30 weeks in Heilongjiang Bishui Nature Reserve for Mergansers in 2005.
2005年在黑龙江碧水中华秋沙鸭自然保护区,对救助饲养的中华秋沙鸭从出壳到30周龄的体质量、体长、翅长、尾长、喙长进行了测量与分析。
An experiment was conducted to study the nest characters, the environmental factors and the activity rhythm of female individuals by observing two scaly-sided merganser (Mergus squamatus) nests in Bishui Nature Reserve from April to May 2005.
2005年4—5月,在碧水中华秋沙鸭自然保护区观测两个鸭巢,记录了巢的特征值,巢周围的环境因子以及孵化期雌鸭的活动节律。
A fish - eating duck(Mergus merganser), the male of which has a glossy greenish - black head and a white body.
秋沙鸭(普通秋沙鸭)属的食鱼的鸭,雄性秋沙鸭头部光滑,呈墨绿色;鸭身呈白色
common North American diving duck considered a variety of the European goosander.
美洲普通潜水鸭,被认为是欧洲普通秋沙鸭的变种。
common merganser of Europe and North America.
欧洲和北美普通的秋沙鸭。
any of various large diving ducks found along the seacoast: eider; scoter; merganser.
在海岸活动的各种大型潜水鸭;绒鸭;海番鸭;秋沙鸭。
This duck is a cross between a wild duck and an ordinary duck.
这种鸭子是野鸭和普通鸭子的混种。
Barbary duck is a cross between a wild duck and an ordinary duck.
巴巴里鸭系由野鸭与普通鸭杂交而成。
A barbary duck is a cross between a wild duck and an ordinary duck.
芭芭内鸭系由野鸭与普通鸭杂交而成。
A barbary duck be a cross between a wild duck and an ordinary duck
芭芭内鸭系由野鸭与普通鸭杂交而成
mergansers and closely related diving birds.
秋沙鸭及与其关系较近的潜水鸟。
widely distributed merganser of America and Europe.
美洲和欧洲广泛分布的秋沙鸭。
Any of various fish-eating diving ducks of the genus Mergus or related genera, having a slim, hooked bill.
秋沙鸭任一种秋沙鸭属或有关各属的食鱼潜水鸭,长有细长而弯曲的喙
Study on Zoology Factors of Yi-Yang Wintering Habitat of Chinese Merganser;
中华秋沙鸭弋阳越冬区生态因子的研究
Reproductive Habitat Selection of Chinese Merganser(Mergus squamatus)and its Protection Strategy
中华秋沙鸭繁殖地生境选择及保护对策
Preliminary Study on Overwintering Behavior of Mergus squamatus
中华秋沙鸭越冬生物学特性的初步研究
Study on Population Quantity of Mergus squamatus in Yiyang Wintering Habitat from 2001 to 2008
2001~2008年中华秋沙鸭弋阳越冬区种群数量的变化
Study on Nutritional Components of Traditional Braise Stove Roast Duck and Shuxiangsu Roast Duck
“蔬香酥烤鸭”与普通焖炉烤鸭营养成分的研究
Any of a breed of common domestic ducks descended from and resembling the mallard.
鲁昂鸭一种与绿头鸭相似并是其后代的普通家养鸭
smallest merganser and most expert diver; found in northern Eurasia.
最小的秋沙鸭,潜水能力最好;产于欧亚大陆的北部。