Previous works had already accounted for the
influence of abiotic and biotic factors on E. intestinalis
recruitment (e.g. Lotze and Worm, 2002), suggesting
that typical spring and summer high temperatures and
light have a positive influence on the germination and
growth of E. intestinalis spores (Lotze et al., 1999;
Lotze and Worm, 2002). Experimental evidence also