International framework for nitrogen management linking Convention activities with other conventions at the global scale , including understanding of linkages of air , water , climate and biodiversity targets in liaison with the UNEP Global Programme of Action for the Protection of the Marine Environment from Land-based Activities ( GPA ) and the Global Partnership on Nutrient Management Input to the implementation of a global research programme on the nutrient cycle , in cooperation with GPA , positioning ECE analysis in the global context [ covered by contribution from the Global Environment Facility ( GEF ) ] b Develop and apply indicators of biodiversity targets in cooperation with the Convention on Biological Diversity ( CBD ) and the International Nitrogen Initiative