Climate Warming as a Possible Trigger of Keystone Mussel Population Decline in Oligotrophic Rivers at the Continental Scale.

摘要: The effects of climate change on oligotrophic rivers and their communities are almost unknown, albeit these ecosystems the primary habitat critically endangered freshwater pearl mussel its host fishes, salmonids. distribution abundance mussels have drastically decreased throughout Europe over last century, particularly within southern part range, but causes this wide-scale extinction process unclear. Here we estimate based historical recent samples from 50 6 countries across Europe. We found that shell convexity may be considered an indicator thermal populations under warming because it reflects shifts in summer temperatures is significantly different viable declining populations. Spatial temporal modeling relationship between population status show global could accelerated decline 100 years through rapidly decreasing suitable areas. Simulation predicts future warming-induced range reduction, regions. These results highlight importance large-scale studies keystone species, which can underscore hidden ecosystems.