none of the key taller components (i.e., taller grasses, sedges, and rushes) should cover more than 75% of the ground (with the exception of small patches of c. 20 x 20m)
ni ddylai unrhyw un o'r cydrannau talach allweddol (hy glaswellt, hesg a brwyn talach) ymddangos dros fwy na 75% o'r ddaear (ac eithrio darnau bach o ryw 20 x 20m)