他说，由于蚂蚁是特别好的“生物指示器”，环境专家可以利用这些资料，主要依据某个生态系统内的蚁群数量来考察该系统是否状况良好。

He said that because ants were exceptionally good "bio-indicators," environmental experts could use the data to check if an entire ecosystem is healthy, based mostly on its ant population.

youdao

碳酸盐岩沉积物，特别是生物礁，只有在现代海洋动物群落和植物群落生态学详细资料的帮助下才能获得有益的研究成果。

Carbonate sediments, in general, and reefs, in particular, can only be studied profitably with the aid of a detailed knowledge of the ecology of modern Marine fauna and flora.

youdao

碳酸盐岩沉积物，特别是生物礁，只有在现代海洋动物群落和植物群落生态学详细资料的帮助下才能获得有益的研究成果。

Carbonate sediments, in general, and reefs, in particular, can only be studied profitably with the aid of a detailed knowledge of the ecology of modem Marine fauna and flora.

youdao