Alda ka

Alder Carr watau filin dazuzzuka mai cike da ruwa mai cike da bishiyu. Ana iya samun su a ko'ina cikin kasar Burtaniya, wani lokaci suna jan bishiyar Ash idan sun bushe.Mutane da yawa sun ci gaba tare da rafuka a cikin Sabon dajin, inda ƙarfin Alder na bunƙasa a cikin yanayin da ruwa ya cika ya ba su damar zama nau'in bishiyar mafi girma a cikin waɗannan yankuna. Kasancewar wasu ƙwayoyin cuta, Frankia alni, suna ba da damar tushen tsarin su don fitar da nitrogen daga iska, don haka ya haifar da ƙarancin nitrogen a cikin ƙasa mai cike da ruwa.  
Manazarta