The partnership submitted a consultative paper to the Platform 's secretariat in August 2012 , in response to an invitation issued at the second session of the plenary meeting to determine modalities and institutional arrangements for an intergovernmental science-policy platform on biodiversity and ecosystem services in April 2012 . In addition , UNDP made a submission on the concept of a Biodiversity and Ecosystem Services ( BES ) -Net web portal . The consultative paper outlines potential activities and broader partnerships , and welcomes feedback from stakeholders through the Platform 's website .