1
Table S1
Habitat types
Acid grasslands
EUNIS
classification
Level 1
Level 2 to 4
E : Grasslands and
lands dominated by E1 (E1.7)
forbs, mosses or
lichens
G : Woodland,
forests and other
G1 (G1.1,G1.2, G1.4, G1.5)
wooded land
Alluvial/riparian
F : Heathlands,
scrub and tundra
F9
E : Grasslands and
lands dominated by E1 (E1B)
forbs, mosses or
lichens
Anthropogenic
I : Regularly or
recently cultivated
agricultural,
horticultural and
domestic habitats
Sub-atlantic semidry siliceous
grasslands
Riparian woods of
the nemoral zones,
with one or few
dominant species,
typically Alnus,
Betula, Populus or
Salix (G1.1),
together with Acer,
Fraxinus, Prunus or
Ulmus in gallery
woods (G1.2).
Swamp woodlands
on acid peat (G1.5)
or not (G1.4) and
Riversides,
lakesides, fens and
marshy floodplains
dominated by
woody vegetation
less than 5 m high
(F9).
I1 (I1.1, I1.2)
I : Intensive
unmixed crops
(I1.1), mixed crops
of market gardens
and horticulture
(I1.2), constructed,
industrial and other
artificial habitats (J)
and heavy-metal
grasslands (E1B)
C3
Aquatic to
amphibious short
perennial
vegetation in
unpolluted but fairly
rich in nutrients
(nitrogen and
phosphorus) and
J : Constructed,
industrial and other
artificial habitats
Aquatic/amphibiou C : Inland surface
s
water
Habitat definitions
dissolved bases
(pH often 6-7)
Bogs/fens
Calci grasslands
D : Mires, bogs and
fens
Wetlands, with the
water table at or
above ground level
for at least half of
the year, dominated
by herbaceous or
ericoid vegetation
E : Grasslands and
lands dominated by
E1 (E1.2)
forbs, mosses or
lichens
Sub-atlantic semidry neutro-alkaline
or calcareous
grasslands
A : Marine habitats
Angiospermdominated stands
of vegetation,
occurring on littoral
sediments (A2.6),
sublittoral
sediments (A5.5) or
on the extreme
upper shore of
sheltered coasts
and periodically
covered by high
tides (A2.5).
Habitats occupying
coastal features
and characterised
by their proximity to
the sea, including
coastal dunes (B1),
beaches (B2), cliffs
and saline or
brackish waters
(B3).
A2 (A2.5, A2.6)
A5 (A5.5)
Coastal
B : Coastal habitats B1, B2, B3
E : Grasslands and
lands dominated by E2 (E2.1, E2.2, E2.6, E2.7)
forbs, mosses or
lichens
Dry meadows
H : Inland
unvegetated or
sparsely vegetated
habitats
H2, H3
Regularly grazed
mesotrophic
pastures of Europe,
fertilised and on
well-drained soils
(E2.1, E2.2), land
occupied by heavily
fertilised or
reseeded
permanent
grasslands,
sometimes treated
by selective
herbicides (E2.6),
mesic grassland
that is not currently
mown or used for
pasture (E2.7),
screes (H2) and
non coastal cliffs
(H3) colonized by
sparse herbs or
shrubs
Forests
Fringes
Heaths
Hydro fringes
Meso freshwater
G : Woodland,
forests and other
wooded land
Woodland, forest
and plantations
dominated by
summer-green nonconiferous trees
that lose their
G1 (G1.6, G1.8, G1.9, G1A) leaves in winter
such as beech
Fagus sylvatica
(G1.6), Quercus
(G1.8), Betula
(G1.9) and mixed
canopies (G1A)
E : Grasslands and
lands dominated by E5 (E5.1, E5.2, E5.3,
E5.43)
forbs, mosses or
lichens
F : Heathlands,
scrub and tundra
F4
E : Grasslands and
lands dominated by E5 (E5.4)
forbs, mosses or
lichens
C : Inland surface
water
C1 (C1.2 to C1.3)
Stands of tall herbs
(E5.1, E5.2, E5.43)
or ferns (E5.3),
occuring on
agricultural land, by
watercourses, at
the edge of woods,
or invading
pastures. Stands of
shorter herbs
forming a distinct
zone (seam) at the
edge of woods.
Wet and dry Shrub
communities of
nemoral affinities, in
which Ericaceae ar
e dominant or at
least prominent
Tall-herb and fern
vegetation of the
nemoral zones,
along watercourses,
in wet meadows
and in shade at the
edge of woodlands.
Euhydrophyte
communities of
C2 (C2.3, C2.4)
C : Inland surface
water
C1 (C1.1)
Oligo freshwater
C2 (C2.1)
Scrub
G : Woodland,
forests and other
wooded land
G5 (G5.6)
F : Heathlands,
scrub and tundra
FA, F3.1
mesotrophic to
eutrophic
permanent ponds
and pools (C1.2 to
C1.3) and
Euhydrophyte
communities of
Palaearctic smoothflowing
watercourses rich to
moderately rich in
nutrients (C2.3,
C2.4)
Waterbodies with a
low nutrient
(nitrogen and
phosphorus)
content including
calcareous and
basic unpolluted
nutrient-poor ponds
(C1.1),
Euhydrophyte
communities of
Palaearctic springs
and spring brooks
poor in nutrients
(C2.1)
Lines of trees,
Hedgerows (FA),
early-stage natural
and semi-natural
woodland and
regrowth (G5.6,
F3.1).
segetal/lato
I : Regularly or
recently cultivated
agricultural,
horticultural and
domestic habitats
I1 (I1.5)
Communities of
arable weeds,
pioneering,
introduced or
nitrophilous plants
colonising fallow
fields, disused
farmland,
vineyards,
neglected flower
beds and
abandoned
gardens.
segetal/stricto
I : Regularly or
recently cultivated
agricultural,
I1 (I1.3)
Traditionally and
extensively
cultivated crops, in
horticultural and
domestic habitats
wet meadows
E : Grasslands and
lands dominated by E3 (E3.4, E3.5)
forbs, mosses or
lichens
particular, of
cereals, harbouring
a rich and
threatened flora of
field weeds.
Wet eutrophic and
mesotrophic
grasslands (E3.4)
and grasslands on
wet, nutrient-poor,
often peaty soils of
the nemoral zones
(E3.5)