Gisela Deckert (Gisela Haagen,19. Yuni 1930 a Berlin) yar asalin kasar Jamus likitan dabbobi ce kuma mai kiyayewa . Gisela Deckert ta girma a Schöneiche kusa da Berlin. Daga 1948 ta karanci ilimin dabbobi a Jami'ar Humboldt a Berlin sannan ta kammala karatun digiri a kan ayyukan gini a cikin warblers. Wannan ya biyo bayan digiri na uku tare da Erwin Stresemann tare da binciken Ethologische Untersuchungen am Feldsperling. Gisela Deckert ta kasance koyaushe mai zaman kanta. Ta shirya rahotannin ƙwararrun halaye da halayyar ɗabi'a don Tierpark Berlin. Don talabijin na GDR ta shirya abubuwan tarihin tarihin halitta daga finafinan dabbobi na kasashen waje. Ya kirkiro rahotannin masana ilimin muhalli a matsayin tushen kirkirar wuraren kariya da ayyukan kariya na nau'ikan. Gisela Deckert tana daya daga cikin wadanda suka kafa kungiyar kiyaye yanayin yanki a yankin tafkin Dahme. Dangane da dokar al'adun yanki na farko na GDR, ta kafa sashen kula da kayan ado da na halitta na gundumomin Königs Wusterhausen da Zossen a 1971. Daga 1980 ta shugabanci ƙungiyar ornithology na gundumar Königs Wusterhausen na forungiyar Yanayi da Muhalli (GNU) a cikin ƙungiyar al'adun GDR.