Mbeli Bai ita ce hekta 13 mai dausayi a Filin shakatawa na Nouabalé-Ndoki da ke Jamhuriyar ƙasar Kongo tare da matakan hargitsi, inda ake ganin "bais" irin wannan na ba da fa'idodi mai gina jiki ga nau'ikan da yawa. Tun daga ƙarshen shekarar 1990s kungiyar kiyaye namun daji ta yi aiki a arewacin Jamhuriyar Kongo kuma a cikin shekarata 1993 tare da Ma'aikatar Tattalin Arziki da Muhalli sun kirkiro Filin shakatawa na Nukabale-Ndoki (4,200 km²). Filin shakatawa na Nuabalé-Ndoki tare da ƙananan matakan hargitsi yana wakiltar ɗayan ragowar gandun daji na ƙarshe da suka rage (babu tarihin sare bishiyoyi) a cikin Kogin Kwango kuma muhimmiyar ƙaƙƙarfa ga gorilla ta yamma, giwayen daji da sauran dabbobin daji masu hatsari. Masu bincike suna ci gaba da sa ido kan dabbobi masu shayarwa da ke ziyartar Mbeli Bai tun a watan Fabrairun 1995 da nufin kara fahimtar ilimin halittar gorilla ta yamma da sauran manyan dabbobi masu shayarwa wadanda ba su da wahalar karatu a cikin dajin da ke cikin ruwan sama.