一种小型软体动物正在 瑞士 乃至整个北半球掀起不小的风波。目前瑞士五大湖中的生物量有95%以上都被 斑驴贻贝 占据。它沿途改变 生态系统，破坏供水设施，甚至造成不计其数的经济损失。面对这场入侵，瑞士正联合国际力量，借助新技术，共同应对这一 物种入侵。

中国人喜欢吃蟹，还衍生出了与之相对应的蟹文化。 中华绒螯蟹(Eriocheir sinensis)，俗称河蟹，是一种著名的食用蟹，也是中国的特产。中华绒螯蟹 ...

Find answers to your big nature questions. Delve into stories about our research, scientists and the collections we care for. Uncover the history of life on Earth, from the smallest insects to the ...

The level of α-amylase, trypsin, and lipase activity was measured using a UV-spectrophotometer (Beijing Purkinje General Instrument Co., Ltd.) at 253, 660, and 420 nm with corresponding detection kits ...

Intact intermolt female crabs (E. sinensis) with body weights of 18.51 ± 2.32 g were collected from a commercial farm in Chongming Island (Shanghai, China). They were kept in a circulating system ...