TY - JOUR T1 - Population structure and maturity stages of Fritillaria borealis (Appendicularia, Tunicata): seasonal cycle in Ushuaia Bay (Beagle Channel) JO - Brazilian Journal of Oceanography A1 - Presta, María Laura A1 - Hoffmeyer, Mónica Susana A1 - Capitanio, Fabiana Lia SN - 1679-8759 UL - 10.1590/S1679-87592015087206303 VL - 63 Y1 - 2015 PB - Brasil ER -