Age estimations of wild pallid sturgeon (Scaphirhynchus albus, Forbes & Richardson 1905) based on pectoral fin spines, otoliths and bomb radiocarbon: inferences on recruitment in the dam-fragmented Missouri River - Braaten, P. J.; Campana, S.; Fuller, D.; Lott, R.; Bruch, R.; Jordan, G. (Journal of Applied Ichthyology, 2015)