Six offshore oyster hubs have been installed at the 760 MW Ecowende offshore wind farm in the Dutch North Sea as part of an initiative to support marine biodiversity and the recovery of native European flat oyster populations.The hubs were installed by Van Oord's Nexus vessel and contain approximately 3,600 adult European flat oysters (Ostrea edulis) and thousands of juvenile oysters, Ecowende announced on November 11…