Impact factor for Polar biology and Antarctic Science - (May/11/2009 )

Hi there, my study is on bacterial diversity from antarctica, wondering whther any1 knows the impact factor value for the journal polar biology and also Antarctic Science? Really want to publish some papers

Do reply thanks

Polar Biology IF 1,734
Antarctic Science IF 1,265

Thanks loads may i ask where did get the info from?

the first one was on their website (http://www.springer.com/life+sci/ecology/journal/300), the second one I obtained from Web of Knowledge