A positive correlation between soil respiration and net photosynthesis at the Phragmites australis site was found.

Dr. William Marshall writes, that it only breeds in certain localities where a large water reed (Phragmites arundinacea) abounds.

Somewhere near Amberley, a barn owl lifted from a stand of phragmites.

Vast spaces of country clear of timber were under water, and covered with the common reed [Note: Arundo phragmites.