1 Subjects: “...Manchester ship Canal...”

2 Subjects: “...Grand Canal...”

3 Subjects: “...surface canals...”

4 Subjects: “...irrigation canal...”

5 Subjects: “...cysts of the canal of Nuck...”

6 Table of Contents: “... and canalization -- 12. Speculations on courses of evolution -- 4. Summary and conclusions -- References...”

7 “...There is a growing need for appropriate management of aquatic plants in rivers and canals, lakes...”

8 “..., rivers and canals, but the relationship between city inhabitants and these water sources has often been...”