It's canopy and understorey
On Ideanthro we tend to prattle on about how important it is to include trees in bioretention systems. Here’s the thing thought. Just saying “put trees in bioretention” doesn’t quite cut it because it implies that trees are the whole solution. They aren’t. Trees are a part of the vegetation in a well functioning bioretention system. They need to be used alongside understorey plants. In this episode we demonstrate one reason why.