Acute copper exposure alters respiratory physiology and upper thermal limits in green crab (<em>Carcinus maenas</em>) at three global capture sites

The green crab (Carcinus maenas) is a globally invasive species, inhabiting marine environments around the world, and known for its tolerance to environmental perturbations. While the green crab is a common model species in ecotoxicology, it is critical to understand their relative sensitivities to toxicants and how this may vary among distinct populations. Here, we use a multi-stressor approach to evaluate the influence of acute copper exposure on the upper thermal tolerance of green crabs native to the Swedish North Sea and invasive to the Canadian Pacific and Atlantic Coastlines. Throughout thermal ramping, green crabs exhibited an increase in ṀO2 from the 16 ºC acclimation temperature to a peak ṀO2 at 33.5 – 34.5 ºC, followed by an abrupt decline and a subsequent collapse at their upper thermal limits. Corresponding thermal limits in green crabs decreased following both low (200 µg L-1) and high (600 µg L-1) copper exposure, exhibiting consistent reductions in upper thermal limits..., , # Data from: Acute copper exposure alters respiratory physiology and upper thermal limits in green crab (*Carcinus maenas*) at three global capture sites Dataset DOI: [10.5061/dryad.m37pvmdh7](https://doi.org/10.5061/dryad.m37pvmdh7) ## Description of the data and file structure Data from: Acute copper exposure alters respiratory physiology and upper thermal limits in green crab (*Carcinus maenas*) at three global capture sites This dataset Acute_Copper_Exposure...Data.xlsx contains temperatures, metabolic rates, and heart rates for acute warming exposure under variable copper contamination in *C. maenas* captured from the Canadian Pacific, Canadian Atlantic, and Swedish Coastlines. ### Files and variables #### File: Acute_Copper_Exposure...Data Data pages are separated by Copper exposure treatment and population capture location. * Pacific 0: Displays data collected for metabolic rate (MO~2~), thermal tolerance limits, and organ accumulation in *C. maenas* invasive to the Canad..., ,