The impact of protocluster environments at z = 1.6

NAH acknowledges support from STFC through an Ernest Rutherford Fellowship. EAC acknowledges support from STFC. SIM acknowledges the support of the STFC consolidated grant ST/K001000/1 to the astrophysics group at the University of Leicester. This work is based on observations made with ESO Telescopes at the La Silla Paranal Observatory under programme ID 089.A-0126.