1·Some ecologists and fashion enthusiasts are trying to bring back the market for fur made from nutria.
一些生态学家和时尚爱好者正试图让胡桃木制成的皮草重回市场。
2·Next to habitat loss, these invasive species represent the greatest threat to biodiversity worldwide, many ecologists say.
许多生态学家说，这些入侵物种仅次于栖息地的丧失，是对全球生物多样性的最大威胁。
3·Clements and other early ecologists saw almost lawlike regularity in the order of succession, but that has not been substantiated.
克莱门茨和其他早期的生态学家认为，演替顺序中存在着几乎像法则一般的规律性，但这一点尚未得到证实。
4·Appearances can deceive, ecologists caution, and many of these exotics may be considered acceptable only because no one has documented their harmful effects.
生态学家警告说，外表可能具有欺骗性，而且这些外来物种中可能有许多是为人接受的，只是因为没有人记载过其有害影响。
5·Ecologists concluded that the apparent stability of climax ecosystems depended on their complexity.
生态学家认为，顶极生态系统呈现出的稳定性取决于其复杂程度。