Aniel Balla is advisor water quality at Rijkswaterstaat and research leader ecology in the Haringvliet Kierbesluit project.
Listen to the story of Carolien van der Mark, marine ecologist at ARK Nature, on the importance of a brackish estuary.
Gwenaël Hanon is marine biologist at ARK Nature. Listen to his story about the Haringvliet as international hub for migrating birds and fish.
Bas Roels is river and delta expert t WWF Netherlands. Listen to his story about growing with the sea.