Editing Ruwer (section)

== Biology ==
In and by the Ruwer live numerous rare and protected species, such as the [[European bullhead|bullhead]],<ref name=Natura2000>[http://www.natura2000.rlp.de/steckbriefe/index.php?a=s&b=g&c=ffh&pk=FFH6306-301 Mentioned in Project Natura 2000]</ref> [[White-throated dipper|dipperl]],<ref>[http://www.naturpark.org/natur-kultur/natur/gewaesser-talsperren/gewaesser/ruwer Dippers on the Ruwer] {{webarchive|url=https://web.archive.org/web/20150101010101/http://www.naturpark.org/natur-kultur/natur/gewaesser-talsperren/gewaesser/ruwer |date=2015-01-01 }}</ref> [[purple emperor]] butterfly and the [[kingfisher]].<ref name=Natura2000/>
Until the 1940s, [[salmon]]s were still caught in the Ruwer.<ref>[http://www.lachsverein.de/pdf/service/bericht_laichzeit_sieglachs.pdf Report on salmon in the Ruwer] {{Webarchive|url=https://web.archive.org/web/20160123100637/http://www.lachsverein.de/pdf/service/bericht_laichzeit_sieglachs.pdf |date=2016-01-23 }} (pdf; 138&nbsp;kB)</ref>