Critical Load/Level Values

Atlantic upper-mid salt marshes (MA223) 10-20 kg N ha-1 year-1
Atlantic mid-low salt marshes (MA224)10-20  kg N ha-1 year-1
Atlantic pioneer salt marshes (MA225) 20-30 kg N ha-1 year-1

Status
UNECE 2022 - Review and revision of empirical loads of nitrogen for Europe
Habitat/Ecosystem Type
Pioneer, low-mid, mid-upper saltmarshes
Description

MA223 - Increase in dominance of graminoids; decline positive indicator species
MA224 -Increase in late successional species; decline positive indicator species
MA225 -Increase in late successional species; increase in productivity species

Reliability
expert judgement
CL reference
Review and revision of empirical critical loads of nitrogen for Europe
Eunis
MA223; MA224; MA225 (A2.54; A2.55; A2.53)