X-Nico

2 unusual facts about Forsån


Forsån

Samples of bottom fauna taken in 1998 documented the presence of nationally rare species of gastropods such as Hippeutis complanatus and bivalve Swan mussel; and during the preceding decades two species of limnetic gastropods were documented.

Signal crayfish and Trout have been introduced in the stream, of which the former succeeded in establishing while Roach is believed to be unfavourable to the latter.


Similar


see also