  Turbulent transport provides the main contribution to particle and energy
losses in tokamak plasmas, which control is of paramount importance for
forthcoming reactors such as the Divertor-Tokamak-Test (DTT) facility under
construction at ENEA Frascati. In this work we investigate the characteristic
features of drift turbulence at the plasma edge through 3D electro-static fluid
simulations. We outline the crucial role of the diffusion coefficient for the
emerging turbulent spectra and for the excitation of vortex structures or zonal
flows. Moreover, the impact of adding a poloidal magnetic component is
discussed considering also a radial shear, and the emergence of anisotropic
spectral features is emphasized. The analysis is extended to the case with
Dirichlet boundary conditions along the radial direction, instead of the
periodic ones usually employed in such kind of analyses.
