9000
rot
7500
H.'eromastus fIIJformls
GP'
X
125. 25,Ql-lm
-*- sum 01
."fractlOns
~ 6000
§ 4500
~ 3000
~ ' 500
r ' ,
o
1 ..... '''AlI "' I " "
•
"I'!'" ,
,~
2000 1 GP3
1: 1500
"
! 1000
."
~ 500
;
0-+--1,1.,. I "
i 'R
,..~ . ~ , ')"
2000 1 GP4
~ 1500
"
~ 1000
I 500
GP6
9000
~
7500
;6000
~ 4500
~3ooo
!l ,500
I I.;r:V ; "\"'oI
~ ~
' " .. * * ' " ",'",' , ,
" 'l. x.
~li'5'5: ..
~:ll:lltli ' Ii ' , ,......
•
",,'~lCl~¥~il~~I!:!ilil:!i:!i
C-'lL~:~~~gi
" "'
Macoma balthlc.a
8000
GP '
6000
.JL,., " .
. .
L
4000
2000
o
50000
40000
30000
20000
'0000
GP,
50000
l GPJ
40000
6000
20000
8000
1 G
P3
30000
'0000
4000
"": . ...... 1;1 , • ' " ,
-, O~
L
40000
eooo
30000
-
. ,"
::
i . , , i
.,
.
..,.-.. ,-,-.....,.-,- ,
25000
20000
,5000
'0000
200000
1 GP6
'60000
' 20000
80000
5000
40000
MYII arltnllrfa
~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
i ~ ~ ~ ~ ~ ~
:i~~rlgl~~~~:i~~I~
lil Ii Ii $ $
Ii Ii Ii
~I~~.r!,8~
Fig. 5.3.1 Mean abundance of
H.
fili{ormis. M,
baltlzica and
M.
arenaria at four sampling sites on the Groninger Plate. East Frisian Wadden Sea (Heuers. Jaklin
unpublished data), Presented are the individual numbers per m' based on all size fractions (solid line) and the smaller sized specimens retained on the
125 1-1111
and
250 flm mesh (dotted line), Please notice the different scales
'.J.l
X
V>
f 0.0
5
c..
-l
' "'
:3
u
~ .
o
i
§.
0C
§
~
0"
~