This dataset comprises measurements from moored sediment trap, collected by the Mooring Dirigibile Italia (MDI), which is managed by the Institute of Polar Sciences of the National Research Council (CNR). The data was gathered at Kongsfjorden, Svalbard Island, since 9 September 2010. This dataset is also part of the SIOS-Svalbard Integrated Arctic Earth Observing System, developed to observe the impacts of climate change, including the rapid loss of sea ice cover, the retreat of local glaciers, and the Atlantification of Arctic seas. Mesured properties are: Total Sedimentation flux , Sedimentation flux of organic carbon in the water column, Sedimentation flux of total nitrogen in the water column, Sedimentation flux of CaCO3 in the water column, Sedimentation flux of non-metallic inorganic species (opal) in the water column, Sedimentation flux of Organic Matter in the water column, Sedimentation flux of lithogenic fraction in the water column. The zooplankton swimmers and sinkers collected by sediment traps are analysed in term of composition and morpho-functional traits.