Irish Fishing Nets?
 

As late as 1997 the Irish coasts, particularly around the SW, were
thickly inhabited by chicanes of only partly visible drift nets up
to a couple of miles long.

Is this still the case? And if so, is it seasonal?
--
JimB
http://www.jimbaerselman.f2s.com/
Comparing cruise areas within Greece and N Spain, and adding more.