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" v : m pattern Id pattern Ip pattern
P. elegans 64.58 ***A 2.049 *A 0.510 *A
S. martinensis 5.34 ***A 3.265 *A 0.517 *A
A. marina 1.74 ***A 1.159 *A 0.501 *A
L. conchilega 33.55 ***A 4.336 *A 0.527 *A
C. capitata 3.24 ***A 1.893 *A 0.506 *A
N. hombergii 1.39 *A 1.124 *A 0.500 *A
E. cfflava 2.67 ***A 1.551 *A 0.503 *A
M. balthica 32.18 ***A 2.311 *A 0.510 *A
C. edule 5.72 ***A 1.260 *A 0.502 *A
B. sarsi 15.71 ***A 6.301 *A 0.542 *A
G. duebeni 12.46 ***A 3.682 *A 0.521 *A
Table 2.4 : Indices of dispersion for each of the taxa in the 40m grid survey. The
results from the variance to mean ratio, Morisita's index (Id) and standardised
Morisita's index (4) are given together with the type of dispersion/pattern they
suggest (A=Aggregated) and the significance level. * Denotes significance at p