Evaluate the collective function of references cited together in a given text segment.
Classify their combined role into one of the following categories: 'method', 'background', or 'result'.

Text:The high numbers of all three species found in MT confirm the importance of this large, lowland forest block for primate conservation and further support the proposal to restore the Mngeta conservation corridor between US and Iyondo forest, a lowland to montane forest that is contiguous with MT (Rovero et al. 2012; St. John 2008) and is currently under gazettement as forest reserve (N.
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