Fig. 2From: Limitations of eDNA analysis for Carcinus maenas abundance estimationseDNA recovered from crabs walking on an underwater treadmill for 10 min and subsequent rest of 10 min, compared to 20 min rest only. Active running on the motor-driven belt by the active crab is represented by the grey shade. Mean ± SEM, n = 5 per data point. Data points are nudged slightly along the x-axis to avoid overlaying of the respective symbolsBack to article page