A Public Policy Polling (PPP) survey released Monday shows President Obama with a one-point lead over Mitt Romney.

The poll has Obama leading Romney by a 49 percent to 48 percent margin, flipping the numbers from PPP’s last two polls of the state which found Romney leading by a point.

When asked to consider who won the debates as a whole voters pick Romney by a 47 percent to 46 percent margin.

Meanwhile, a new Tampa Bay Times/Bay News 9  poll shows Romney holding the edge among voters in a key region of central Florida, which could be critical to winning the Sunshine State.

The survey released Sunday shows Romney winning 51 percent support to Obama’s 45 among registered voters in Florida’s I-4 corridor.

According to the PPP survey, Sen. Bill Nelson has a commanding lead over Rep. Connie Mack heading into the final week of the campaign. Nelson is leading Mack 50 percent to 42 percent.

Nelson’s approval  numbers are on positive ground for the first time in quite a while, with  44 percent of voters approving of the incumbent to 41 percent who disapprove. Mack continues to be an unpopular candidate with only 36 percent of voters rating him favorably to 46 percent with a negative one. Nelson is ahead with independent voters by 15-points even as Obama is simultaneously losing them. Nelson is also taking 17 percent of the Republican vote.

Tags | Bill Nelson, Connie Mack, obama, PPP, romney