【摘要】 详细报道近十年来铜陵江段白■豚lipotesvexillifer栖息活动地因江道、渔类、交通等生态环境改变而导致本种在数量、群结构、生态行为等方面的显著变化。更多还原

【Abstract】 In the paper, there are details about Baiji’s (lipotes vexillifer) variation in the number, structure and behavior of a school, owing to changes of ecological envirorunent such as topography, transportation and fishing in the reaches of Tongling in the Yangtze River where Baiji often live in the latest decade.更多还原