Fiddler crab density in Plum Island Sound estuary, Rowley, Massachusetts

Climate change is predicted to shift or extend the range of warm-water species poleward. In 2014, the fiddler crab, Minuca (Uca) pugnax, was  observed for the first time in PIE, which is north of its historical range.  Beginning in 2014, density estimates were collected.

据预测，气候变化将促使温水物种的分布范围向极地迁移或扩张。2014年，研究人员在PIE海域首次观测到拳尾招潮蟹（Minuca (Uca) pugnax），该海域位于其历史分布范围以北。自2014年起，研究团队开始收集该物种的种群密度估算数据。