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RESULTS AFTER CHOPPERING OF A VEGETATION OF EMPETRIUM NIGRUM
[Empetrion nigri] IN THE COASTAL DUNES OF BERGEN (NH, NL) CLOSE TO THE SHORE

         
vegetation in 2002

nearly closed vegetation of

Empetrium nigrum

 

Formica cunicularia
Formica fusca
Lasius psammophilus
Myrmica rubra
Myrmica ruginodis
Myrmica sabuleti
Tetramorium ceaspitum

list of antspecies in 2002
 

 

choppering december 2002

 
situation in 2005
flora in order of precense
moss
Calluna vulgaris
sand
Carex arenaria
compositae
Calamagrostis epigejos
Salix repens
lichen
Rubus caesius
 

Formica cunicularia -
Formica fusca +
Lasius psammophilus +
Myrmica rubra -
Myrmica ruginodis -
Myrmica sabuleti +/-
Myrmica schencki +

Tetramorium ceaspitum +

list of antspecies,
situation with reference to 2002
not grazed   grazed from 2006
situation in 2012
flora in order of precense
Calluna vulgaris (>90%)
moss
lichen
Carex arenaria
  Formica cunicularia †
Formica fusca †
Lasius psammophilus +/-
Myrmica rubra †
Myrmica ruginodis †
Myrmica sabuleti +/-
Myrmica schencki +
Tetramorium ceaspitum -

list of antspecies, situation with
reference to 2005

- Formica cunicularia
- Formica fusca
+/- Lasius psammophilus
† Myrmica rubra
† Myrmica ruginodis
+/- Myrmica sabuleti
† Myrmica schencki
- Tetramorium ceaspitum
  moss
grass
Calluna vulgaris
sand
compositae
Veronica officinalis
lichen
several dicotyledones-species

situation in 2012
flora in order of
precense

= extinct; + = increased; +/- = constant; - = decreased

Peter Boer; last update: 27.11.2012