Babban Kogin Kwa

Babban kogin Kwa, (kuma ana kiransa Kwa Ibo ko Kogin Kwa) yana bi ta jihar Kuros Riba ta Najeriya, ya kwashe gabas da birnin Calabar. Yanayin kogin yana fuskantar barazana daga ayyukan mutane.

 Wuri 
Kogin ya samo asali ne daga tsaunin Oban, a cikin dajin Kuros Riba, kuma ya bi ta kudu zuwa mashigin Cross River.E. R. Akpan; J. O. Offem; A. E. Nya. "Baseline

ecological studies of the Great Kwa River, Nigeria I:

Physico-chemical studies" . EcoServ . Archived from

the original on 2012-04-02. Retrieved 2011-09-09. 

Ƙarƙashinsa yana da ruwa, tare da faffadan laka. da kuma malala gabar gabashin birnin Calabar. 

 Ayyukan ɗan adam 
Ayyukan ɗan adam a cikin Babban kogin Kwa ta al'ada an iyakance shi ga ƙananan noma, kiwo da kamun kifi, galibi don shrimp. Duk da haka, Calabar tana girma, saboda wani ɓangare na yankin ciniki na 'yanci na Calabar, wanda ya haifar da karuwar gidaje da masana'antu a cikin ruwa mai tsabta da mangrove na Babban Kwa.  Jami'ar Calabar ta rufe wani yanki  tsakanin Babban Kogin Kwa da Kogin Calabar. Jami'ar ta sami ƙarin filaye a duka bankunan Babban Kwa don ci gaban gaba."About Us" . University of Calabar. Retrieved

2011-09-09. 

 Gurbacewa 
Karamar Hukumar Calabar ba ta da wuraren kula da sharar, kuma ruwan sama kamar da bakin kwarya ya wanke sharar mutane da masana'antu a cikin kogin.  Wani bincike da aka gudanar a shekara ta 2008 kan kwayoyin cutar Vibrio a cikin kifi a cikin babban kogin Great Kwa ya nuna cewa ruwan yana gurbata najasa kullum, kuma kifin yana da yawan kamuwa da cuta. Wannan ya haifar da haɗarin lafiya ga mabukaci, gami da haɗarin cututtukan kwalara. Eja ME, Abriba C, Etok CA, Ikpeme EM, Arikpo GE,
Enyi-Idoh KH, Ofor UA (15 July 2008). "Seasonal
occurrence of vibrios in water and shellfish obtained
from the Great Kwa River estuary, Calabar, Nigeria".
Bull Environ Contam Toxicol. 81 (3): 245–8.
doi :10.1007/s00128-008-9482-x.
PMID 18626562.

 Manazarta 
Category:Shafuka masu fassarorin da ba'a duba ba