This paper studied the burrowing characteristic of Chinese alligators with high density in captivity.

本文研究了高密度饲养条件下，扬子鳄对洞穴的选择特点。

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Patrolling the mouth of the Yangzi in 1997, where swamps had been turned into urban sprawl or rice fields, he counted only 120 Chinese alligators still in the wild.

在1997年巡查长江入海口(这里已变成杂乱无章的城市拓展区或稻田)的过程中，他估摸仍在野外的仅有120只扬子鳄。

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Not only did Human's production and life affect the organic environment of the Wild Chinese Alligator, but also affected the inorganic environment of the Wild Chinese Alligators.

人类的生产、生活不但影响了野生扬子鳄的生物环境，也影响和改变了野生扬子鳄的无机环境。

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For instance, the San Diego Zoo received two female Chinese alligators from a zoological park in Florida in early July and wants to start breeding the critically endangered species if they can get a male Chinese alligator next year.

BBC: The dual sides of animal captivity