Ten species of Barbatula are recognised in Europe, west of the Urals: B. barbatula , B. caucasica , B. hispanica , B. leoparda , B. pironae , B. quignardi , B. sturanyi , B. taurica , B. vardarensis and B. zetensis , with B. caucasica and B. taurica formerly considered subspecies of B. barbatula . A comprehensive dataset of the DNA barcoding gene coI recovered four major clades within Europe: three in Eastern Europe including...

Today, few watersheds remain untouched by global change processes arising from climate warming, impoundments, channelization, water extraction, pollution, and urbanization. The need for restoration has resulted in a myriad of interventions, generally performed at small scales, which have limited measurable impact in restoring biodiversity and ecosystem functions. We propose bringing nature‐based restoration (also referred to a...