摘要
作者先后三次将捕捉到的长江江豚群体,置于干流江豚经常栖息活动的水域内,对其野生行为习性进行了网围观察,累计观察42天。本文根据观察记录,对江豚的集群、抚幼、捕食、性行为、玩耍、利它、避害、歇息等行为作了细致的描述和分析。本项研究不仅有利于江豚的保护和饲养,亦可为白鱀豚的迁地保护、就地保护提供经验。
The group behavior of the black finless porpoise was listed in thispaper. Three groups of the finless porpoise were captured and surrounded in thedifferent water area using the special net in the middle and lower reaches of theYangtze River in 1984, 1989 and 1992. Based on the records of observation for 42days and nights, this paper has made an overall descriptions and comprehensiveanalysis of its untamed behaviors of schooling, mother--calf, feeding, court-ship, playing, escaping, resting and being 'altruistic', etc., upon its breath onthe surface of water. This observation not only will help to protect and breed theporpoise but also can apply to protect in the natural protection section and to breed
出处
《水产学报》
CAS
CSCD
北大核心
1993年第2期120-125,共6页
Journal of Fisheries of China
关键词
江豚
网围
行为
group behavior
black finless porpoise
Neophocaena phocaenoides
net--surrounding
Yangtze River