Muhimman batutuwan da suka shafi muhalli a yankin Neja-Delta na Najeriya sun shafi masana'antar man fetur . Yankin delta ya ƙunshi 20,000 square kilometres (7,700 sq mi) a cikin dausayi na 70,000 square kilometres (27,000 sq mi) an samo asali ne ta hanyar jijiya . Gida mai mutane miliyan 20 da ƙabilu daban-daban 40, wannan ambaliya ta ƙasance kashi 7.5% na yawan fadin Najeriya. Ita ce ƙasa mafi girma kuma tana kula da tudun ruwa mafi girma na uku a Afirka . Za a iya raba muhallin yankin Delta zuwa yankuna hudu na muhalli : tsibiran shingen bakin teku, dazuzzukan fadama na mangrove, ruwan fadama, da dazuzzukan dazuzzuka . Kamun kifi da noma sune manyan hanyoyin rayuwa ga galibin mazaunanta. Wannan yanayin da aka ba da kyauta mai ban sha'awa ya ƙunshi ɗayan mafi girman nau'ikan nau'ikan halittu a duniya, ban da tallafawa ɗimbin flora da fauna, filin noma wanda zai iya ɗaukar nau'ikan amfanin gona iri-iri, katako ko bishiyoyin noma, da ƙarin nau'ikan kifin ruwa mai daɗi fiye da duk wani yanayi a yammacin Afirka .