Vis: Verskil tussen weergawes

[[Varswatervis]] tel onder die mees bedreigde [[gewerweldes]].<ref name="Reid">{{cite journal |last1=Reid |first1=G. McG. |last2=Contreras MacBeath |first2=T. |last3=Csatadi |first3=K. |title=Global challenges in freshwater fish conservation related to public aquariums and the aquarium industry |journal=International Zoo Yearbook |date=2013 |volume=47 |issue=1 |pages=6-45 |url=https://www.iucnffsg.org/freshwater-fishes/major-threats/ |accessdate=11 July 2019}}</ref> Hul bevolkings word benadeel deur die modifikasie, fragmentasie, [[besoedeling]] en vernietiging van hul [[habitat]], benewens [[Indringerspesies van Suider-Afrika|indringerspesies]], [[oorbevissing]], bosbrande,<ref name="aw1">{{cite web |last1=Welz |first1=Adam |title=Fire Fallout: How Ash and Debris Are Choking Australia’s Rivers |url=https://e360.yale.edu/features/fire-fallout-how-ash-and-debris-are-choking-australias-rivers |website=e360.yale.edu |publisher=YaleEnvironment360 |date = 27 Februarie 2020 |accessdate=3 Maart 2020}}</ref> [[bosbou]]- of [[ontbossing]]spraktyke en [[klimaatsverandering]]. Onder menslike invloed is [[biodiversiteit]], insluitend visdiversiteit in [[varswater]], aan verskillende skadelike faktore uitgelewer, sodat die volle impak aan hul sinergetiese wisselwerking toeskryfbaar is.<ref name="Reid"/>