Dajin da ke cikin ruwa na Nijar Delta

Dajin da ke cikin Nijar Delta wani yanki ne na gandun daji mai zafi a kudancin Najeriya. Ya ƙunshi gandun daji na ruwa mai laushi a cikin Neja Delta na Kogin Neja . Wannan gandun daji na marmara shine na biyu mafi girma a Afirka bayan gandun daji mai marmara na Kongo. Kodayake akwai manyan birane a waje da yankin, yankin ya kasance a ware saboda wahalar gina hanyoyi a fadin maras kyau, kodayake wannan yana canzawa tare da ci gaban man fetur da masana'antun katako. Binciken kimiyya ya fara ne kawai a cikin 'yan shekarun nan, kuma ana gano sabbin nau'o'in a cikin shekarun 1990. Binciken mai da gurɓataccen mai ya kasance barazana ga gandun daji a yankin Neja Delta.

 Wurin da bayanin 
Yankin gandun daji na Nijar Delta ya rufe yankin triangular a bakin Kogin Neja. Yankin kudancin ya koma baya kimanin kilomita 10 daga Tekun Guinea, wanda yankin Mangroves na Afirka ta Tsakiya ya kare inda tasirin ruwan gishiri ya fi bayyana. Yankin yammacin yankin ya samo asali ne daga Kogin Benin, iyakar arewacin yana arewacin birnin Aboh, kuma gefen gabas yana gudana tare da Kogin Imo. Birnin Port Harcourt yana cikin kusurwar kudu maso gabashin yankin. Yankin Neja Delta na Najeriya yana kusa da Tekun Guinea . Ita ce mafi girma a Afirka kuma ta uku mafi girma a duniya kuma ita ce mafi girma marshland a Yamma da Tsakiyar Afirka. Yankin ya kunshi daga Aboh (5°33′49′′ N da 6°31′38′′ E) Ndokwa East, Delta State a Arewa zuwa Palm Point (4°16′22′′ N da6°05′27′′ E) Bayelsa State a kudu. Yankin gabas da yamma yana tsakanin Benin ko kogin Habasha (5°44′11′′ N da 5°3′49′′ E) Jihar Delta a yamma da kogin Imo (4°27′16′′ N da 7°35′27′′ E) Ikot Abasi, Jihar Akwa Ibom zuwa gabas. 

 Yanayi 
Yankin yana da Yanayin zafi na wurare masu zafi, bisa ga rarraba yanayin yanayi na Köppen (Am). Wannan yanayin yana da yanayi na fari daban-daban kuma yana da yanayin zafi a ko'ina cikin shekara, tare da matsakaicin zafin jiki na kowane wata sama da 18 ° C (64 ° F). Kasa da 60 mm, amma fiye da (100- (ma'auni / 25) mm, na hazo ya fadi a lokacin watan da ya fi bushewa. Wannan yanayin yana tsakiyar savannah na wurare masu zafi da kuma gandun daji na wurare masu wurare masu zafi. Lokacin ruwan sama yana gudana daga Maris-Afrilu zuwa Oktoba. Ruwan sama ya kasance daga 2,500 mm / shekara a arewa zuwa 4,000 mm / shekara tare da bakin teku a kudu."Niger Delta swamp forests". World Wildlife Federation. Retrieved June 20, 2020. Rashin zafi shine 90-100% ga mafi yawan shekara."Niger Delta swamp forests". The Encyclopedia of Earth. Retrieved June 20, 2021.      

 Tsire-tsire da dabbobi 
Kimanin kashi 67% na yankin ecoregion an rufe shi da gandun daji mai rufewa, mafi yawa mai laushi mai laushi. Wani 13% shine gandun daji, 8% mai laushi, 5% birane ko gine-gine, 3% a ƙarƙashin noma, da sauran ruwa na dindindin da na yanayi. Itacen abura (Hallea ledermannii), wanda aka fi sani da shi, galibi an sare shi daga cikin delta. Bishiyoyi na yau da kullun a cikin gandun daji sun haɗa da itacen dabino na Man (Elaeis guineensis), itacen Azobe (Lophira alata), nutmeg na Afirka (Pycnanthus angolensis), Ricinodendron heudelotii, Hallea ledermannii, itacen Flatcrown (Albizia adianthifolia), mango na daji (Irvingia gabonensis), (Klainedoxa gabonensis, (Treculia africana), da nau'in (Ficus).

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