23 datasets found

The boundaries of the risk zones are kept under review as the situation develops. The risk zones are used to inform felling guidance, details of English policy can be found in...

Survey results from 2007 showing the health of phytobenthos (algae that grows on rocks on the river bed, also known as diatoms) expressed against the Water Framework Directive...

Stands surveyed to determine whether Pitch pine canker (Gibberella circinata) is present in 18 forest stands of radiata pine (Pinus radiata) located across seven forest...