Fitted spline intervals of the trophic position of sticklebacks in Upper Lake Constance. Solid lines are the mean values, and shaded areas represent upper and lower 95% confidence intervals during the course of the year.

 
 
  Part of: Gugele SM, Baer J, Spießl C, Yohannes E, Blumenshine S, Roberts BJ, Mota-Ferreira MR, Brinker A (2023) Stable isotope values and trophic analysis of invasive three-spined stickleback in Upper Lake Constance points to significant piscivory. NeoBiota 87: 73-102. https://doi.org/10.3897/neobiota.87.100355