Añana Diapir

Añana Diapir ( Basque  , Spanish   ) wani diapir ne a cikin Álava, Ƙasar Basque, Spain. Filayen dausayi guda biyu suna cikin diapir: Kwarin Gishiri na Añana da Lake Arreo . Gwamnatin Basque ta ayyana shi a matsayin kariyar biotope a cikin 2016,  kuma an sake fasalin shi azaman shimfidar wuri mai kariya a cikin 2023. 

 Geology 
An samar da Añana Diapir ta hanyar ƙaura daga Keuper wanda ya haura ta Jurassic, Cretaceous da Tertiary layers. An yi amfani da wasu nau'ikan duwatsu tare da masu ƙafe, musamman ophites . Clay, marl da gypsum suma suna nan a cikin diapir.  Tsarin hydrogeological na diapir yana da rikitarwa. Ruwan gishirin da ke gudana a cikin kwarin Gishiri yana haifar da haɗuwa da (aƙalla) nau'ikan ruwa biyu: ruwan sama daga gabas na diapir da ruwa mai zurfi daga ɓangaren yamma (wadanda ke yin salin ruwan bazara). 

 Flora da fauna 
A cikin ruwan hypersaline na Kwarin Gishiri, kawai dabbobin da ke wurin su ne Artemia parthenogenetica da Ochthebius notabilis, tare da karin nau'in nau'i a yankunan ƙananan salinity. Tafkin Arreo gida ne ga nau'in kifaye guda hudu, kuma an ga nau'in tsuntsaye da dama a kusa da shi.  

Kimanin rabin diapir yana rufe dazuzzuka, wanda ya ƙunshi mafi yawan Pinus sylvestris da Quercus faginea .  Ana samun hydrophytes da yawa a cikin tafkin Arreo, yayin da bakin tekun ke rufe da reed gama-gari da sauran tsirrai.  Yawancin nau'ikan tsire-tsire na halophilic suna nan a cikin Kwarin Gishiri. 

 Manazarta