Contribution to the Macrophytic Typology of Belgian Reference Watercourses

Table 1

Climatic characteristics of the four natural regions (Source: Bulletin of Royal Meteorological Institute of Belgium-period 1981–2010).

	Condroz	Famenne	Arden	Lorraine
Mean annual temperature (°C)	13,6	14,3	11,9	13,0
Mean annual rainfall (mm)	875	860	1284	1109
Number of dried months	0	0	0	0