Hannover remain rooted to the bottom of the Bundesliga after losing their eighth game in a row.Koo Ja-cheol scored the only goal of a 1-0 victory for Augsburg, who pulled four points clear of the bottom three ahead of their trip to Anfield on Thursday.Tobias Werner could have added a late second for the Bavarians while Hannover rarely tested Marwin Hitz, earning boos of disapproval from their fans at the final whistle.The defeat is their fifth in a row under Thomas Schaaf, who replaced Michael Frontzeck during the winter break, and leaves them eight points from safety.