Artificial islands restore nature to lake in the Netherlands

The video discusses the creation of five artificial islands in Margamere Lake to address silt issues. Over 2.5 years, Boscalis constructed these islands, including a trench to aid silt drainage. The islands now support diverse bird species and 127 plant types, with plankton providing food for the birds.

What is the significance of the plankton in the water surrounding the islands?

How many different kinds of plants have been counted on the islands?