Yobe

kogin Yobe, wanda aka fi sanin shi  kuma da  Komadugu Yobe River ko Komadougu-Yobe (Faransanci: Komadou gou Yobé), wani kogi ne a Yammacin Afirka wanda ke gudana cikin Tafkin Chadi ta hanyar Najeriya da Nijar .  Kogin Hadejia, Kogin Jama'are, da Kogin Komadugu Gana. Kogin ya zama karamin ɓangare na iyakar kasa da kasa tsakanin Nijar da Najeriya tare da mil 95 (kilomita 150) kuma yana gudana jimlar mil 200 (kilomitara 320) 

Akwai damuwa game da canje-canje a cikin kogin, tattalin arziki da muhalli saboda madatsar ruwa, mafi girma a halin yanzu shine madatsar ruwan Tiga a Jihar Kano, tare da shirye-shiryen da ake tattaunawa don madatsar jirgin ruwa ta Kafin Zaki a Jihar Bauchi.
Kogin Yobe yana ba da hanyar rayuwa ga daruruwan dubban mutane waɗanda ke aiki a cikin ayyukan kasuwanci da aikin gona iri-iri tare da kusan kilomita 200 a yankin arewacin jihar, wanda ya mamaye yankuna bakwai na kananan hukumomi (LGAs) daga Nguru zuwa Yunusari . 

Shahararrun garuruwa kusa da kogi sun hada da Gashua, Geidam, da Damasak a Najeriya, da Diffa a Nijar.

 Rashin gurɓataccen yanayi 
Wasu mazauna karkara a Yobe, a ranar Asabar, sun koka cewa sunadarai da kayan sharar gida sun gurɓata maɓuɓɓugar ruwa daban-daban a cikin al'ummominsu, suna haifar da haɗari ga rayuka 

An tattara gwajin ruwa daga kogi nan  Yobe a lokacin da ake fama da guguwa da rani a Nguru, Gashua, Azbak, Dumsai da Wachakal.  An yi nazarin gwaje-gwajen don ma'adinan ma'adinan su wanda ke kirga Zn, Pb, Fe, Mn da Mg suna amfani da Nukiliya Assimilation Spectrometry (AAS) yayin da Na, Ca, da K aka bincika ta amfani da Wuta Emanation Spectrometry (FES).  Matsakaicin adadin ƙarfe da aka samu sune;  Zn (7.06 mg/dm3 – 13.44 mg/dm3), Pb (0.05 mg/dm3 – 0.135mg/dm3), Fe (0.052 mg/dm3 – 0.53 mg/dm3), Mn (0.102 mg/dm3 – 0.383 –3 mg/dm/dm3)  87.52 mg/dm3), Mg (7.34 mg/dm3 - 29.4 mg/dm3), Na (13.95mg/dm3 - 22.98 mg/dm3) da K (40.08mg/dm3 - 78.2mg/dm3).  Daga matakan karafa da aka yi nazari, za a iya kammala cewa yawan adadin Zn, Pb, Fe da Mn sun mamaye iyakokin WHO da Childa a duk yankuna na dubawa.  Wannan yana nuna ƙaruwar tarin gurɓataccen ƙarfe, mai yuwuwa saboda haɓakar taki, ƙorafin noma da najasa da ke zubar da ruwa.  Gwaje-gwajen ruwa da aka samo daga wannan rafi na iya kasancewa kamar yadda za'a iya amfani da shi don amfanin gona da tsarin ruwa amma bai dace da amfanin ɗan adam ba.

 Dubi kuma 

 Jihar Yobe
 Yankunan ruwa na Hadejia-Nguru

 Bayanan da aka ambata 

Rukuni:Shafuka masu fassarorin da ba'a duba ba