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  • Department:(Dept. 5) Evolutionary and Integrative Ecology
Global_Change_Biology
March 2025
Global Change Biology. - 31(2025)3, Art. e70119

Altered Phenotypic Responses of Asexual Arctic Daphnia After 10 Years of Rapid Climate Change

Athina Karapli-Petritsopoulou; Jasmin Josephine Heckelmann; Dörthe Becker; N. John Anderson; Dagmar Frisch

Freshwater ecosystems in the Arctic are important sentinels for climate change, but not much is known about the potential for rapid adaptation of their asexually reproducing key zooplankton members. Applying a resurrection ecology approach to an asexual Arctic Daphnia population, the authors provide evidence for a change in thermal and hypoxia tolerance within a decade.

 

February 2025
Current Biology. - XX(2025)XX, XX-XX

New fish migrations into the Panama Canal increase likelihood of interoceanic invasions in the Americas

Gustavo A. Castellanos-Galindo; Diana M.T. Sharpe; D. Ross Robertson; Victor Bravo; Jonathan M. Jeschke; Mark E. Torchin

The authors have compared the fish communities of Lake Gatun in the Panama Canal before and after the canal’s expansion in 2016: Marine fish species  now make up 76 percent of the total biomass of the fish population and are primarily large predatory fishes. The lake’s food web is changing and local fisheries are impacted. There is also an increased risk of fishes colonizing the opposite ocean.