×

潜鸭 meaning in Chinese

pochard

Examples

  1. Diving and estuarine ducks
    潜鸭与河口鸭
  2. The area is the largest wetland in hong kong . the wetland acts as a refueling station and wintering site for thousands of migratory birds during their migrations between the arctic russia and australia . the total migratory birds using the area may be over 120 , 000
    该湿地是本港最大的一片,在冬季有超过5万只候鸟在该处渡冬,当中包括如黑脸琵鹭、黑嘴鸥、花脸鸭、青头潜鸭及卷羽鹈鹕等世界性濒危的品种。
  3. Phylogenetic analysis surports that anseranas should be placed in monotypic family anseranatidae , and the whistling ducks and the white - backed duck should be separated from subfamily anserinae and placed them into family dendrocygnidae . the family anatidae could be classified into two subfamilies , anserinae and anatinae . the results approve that the swans should be put into the tribe cygnini of subfamily anserinae as suggested by livezey ( 1996 , 1997b ) and the shelducks should be placed in the tribe tadornini of subfamily anatinae , therefore , our results do not support sibley and ahlquist ' s ( 1990 ) establishment of the subfamily cygninae and placing the shelducks in the tribe anserini
    研究结果表明: 1 )雁形目鸟类12srrna基因有较多的碱基插入和缺失,碱基转换数高于颠换数; 2 )赞同将鹊鹅( anseranas )置于鹊鹅科( anseranatidae )中,树鸭( dendrocygna )应从雁亚科( anserinae )中独立出来设立树鸭科( dendrocygnidae ) ,白背鸭( thalassornis )隶属于树鸭科; 3 )鸭科( anatidae )可分为雁亚科和鸭亚科( anatinae ) 2个亚科,不赞同sibley & ahlquist ( 1990 )设立天鹅亚科( cygninae )及将麻鸭归入雁族( anserini )的观点,支持livezey ( 1996a , 1997b )的观点建议将天鹅类归为雁亚科天鹅族( cygnini ) ,麻鸭置于鸭亚科下麻鸭族; 4 )在鸭亚科内的系统发生上,潜鸭最早分歧出来,麻鸭、海中文摘要鸭及栖鸭彼此iaj的亲缘关系较近;河鸭族为一单系发生群,在系统演化中形成独立的一支。

Related Words

  1. 潜蚤
  2. 潜通路
  3. 潜移
  4. 潜面
  5. 潜函
  6. 潜蛾
  7. 潜像
  8. 电子潜象
  9. 潜望雷达
  10. 带电潜影
  11. 潜血检查
  12. 潜血试验
  13. 潜岩浆
  14. 潜岩浆房
PC Version

Copyright © 2018 WordTech Co.