WikiHausa

Tag: yanayi a najeriya

  • Yanayi A Nijeriya

    Yanayi A Nijeriya

    Nijeriya tana da wurare daban-daban. Kudancin Kudu an bayyana shi da yanayi ɗuminta mai zafi, inda ruwan sama a shekara yake inci 60 zuwa 80 (1,500 zuwa 2,000 mm) a shekara. A kudu Maso Gabas akwai yankin Obudu Plateau. Ana samun filayen bakin teku a Kudu Maso Yamma da kuma kudu Maso Gabas.
    An ayyana wannan yanki na yankin kudu sosai a matsayin “fadamar ruwan gishiri”, wanda kuma aka fi sani da daushin mangrove saboda yawan mangroves a yankin. Arewacin wannan akwai gandun ruwa mai daɗi, wanda yake ɗauke da tsire-tsire daban-daban daga fadamar ruwan gishiri, kuma arewacin wancan shi ne dajin.
    Yankin da ya fi kowane yanki shimfida kasa a NIjeriya shi ne na kwaruruka na kogin Neja da Benuwai (wanda ya haɗe ya zama sifar Y). Ta kudu maso yamma na ƙasar Nijar akwai tuddai “mai ƙarko”. A kudu maso gabashin Benuwai akwai tsaunuka da tsaunuka, waɗanda suka samar da Mambilla Plateau, mafi tuddai a Nijeriya. Wannan tsaunukan ya ratsa ta kan iyaka da Kamaru, inda tsaunin tsauni yake daga cikin Bamenda Highlands na Kamaru.
    Yankin da ke kusa da kan iyaka da Kamaru kusa da gabar teku yana da dazuzzuzzukan daji da kuma wani yanki na gandun dajin bakin teku na Cross-Sanaga-Bioko, muhimmiyar cibiya ta rayuwar halittu masu yawa. Wuri ne don birin rawar soja, wanda aka samo shi a cikin daji kawai a cikin wannan yankin da kuma kan iyakar Kamaru.
    Yankunan dake kewaye da Calabar, Jihar Kuros Riba, kuma a cikin wannan dajin, an yi imanin cewa suna ɗauke da mafi girma a duniya na malam buɗe ido. Yankin Kudancin Nijeriya tsakanin Neja da Kuros Ribas ya rasa yawancin dajinsa, saboda ci gaba da girbi ta ƙaruwar yawan jama’a, tare da maye gurbinsa da ciyawa (duba gandun daji na Canja-Niger).
    Duk abin dake tsakanin Kudu maso Kudu da Arewa mai nisa shi ne savannah (murfin ita ce mara mahimmanci, tare da ciyawa da furanni dake tsakanin bishiyoyi). Ruwan sama ya fi iyakancewa, zuwa tsakanin milimita 500 zuwa 1,500 (20 da 60 a) a shekara. Yankuna uku na savannah su ne Guinean forest-savanna mosaic, Sudan savannah, da Sahel savannah. Guinan Guinea-savanna mosaic filayen babban ciyawa ne da bishiyoyi suka katse. Sudan savannah iri ɗaya ce, amma tare da gajerun ciyawa da gajerun bishiyoyi.
    Sahel savannah ya ƙunshi yankuna na ciyawa da yashi, wanda ake samu a Arewa maso Gabas. A yankin Sahel, ruwan sama bai wuce milimita 500 (20 a) a kowace shekara ba kuma hamadar Sahara tana cin karenta babu babbaka. A gaɓar Arewa maso gabashin ƙasar nan akwai tabkin Chadi, wanda Nijeriya ta yi tarayya da ƙasashen Nijar, Chadi da Kamaru.
  • Yanayi A Nijeriya

    Yanayi A Nijeriya

    Najeriya tana da matukar baiwar da yawancin bishiyoyi wadanda yawancinsu ‘yan asalin kasar ne yayin da’ yan kadan ke da ban sha’awa. Rahoton ya nuna cewa yawan kaso mafi yawa na gandun daji da mutum ya yi a cikin ƙasar yana da rinjaye da nau’ikan nau’ikan na baƙi.

    Wannan ya samo asali ne daga zaton cewa bishiyoyi masu ban mamaki suna girma cikin sauri. Koyaya, nazarin ya kuma bincika ci gaban bishiyoyi na asali tare da na wasu nau’ikan halittu.

    Yawancin ƙasashe a Afirka suna fama da Cutar ciesan Baƙon Cutar (IAS). A shekarar 2004, kungiyar IUCN – World Conservation Union ta bayyana IAS 81 a Afirka ta Kudu, 49 a Mauritius, 37 a Algeria da Madagascar, 35 a Kenya, 28 a Masar, 26 a Ghana da Zimbabwe, da 22 a Habasha.Koyaya, abu kaɗan ne sananne game da IAS a cikin Najeriya, tare da yawancin rahotanni na fasaha da wallafe-wallafen da ke ba da rahoton ƙasa da shuke-shuke masu mamaye 10 a cikin ƙasar. Baya ga masu mamaye tsire-tsire, Rattus rattus da Avian mura mura suma an dauke su IAS a Najeriya.

    Farkon shigowar IAS cikin Nigeria yafi yawa ta hanyar gabatarwar shuke shuke wanda shuwagabannin mulkin mallaka sukayi ko dai don itacen bishiyar daji ko kuma don abubuwan ado. Shigowar shuke shuke shuke shuke zuwa Najeriya a lokacin mulkin mallaka bayan an sami kwarin gwiwa ta hanyar habaka ayyukan tattalin arziki, fara binciken mai na kasuwanci, gabatarwa ta jiragen ruwa, da kuma shigar da shuke-shuke na kayan kwalliya ta masu harkar kasuwanci.

    Saboda yawan amfani da ruwa, ragowar halittu da kuma gandun daji na farko a Najeriya an kayyade su ga wuraren da aka kiyaye waɗanda suka haɗa da wurin ajiyar halittu guda ɗaya, wuraren shakatawa na ƙasa guda bakwai; wurin tarihi na Duniya guda daya, Tsattsauran Yanayi 12 (SNRs), wuraren wasanni 32 / wuraren bautar namun daji, da kuma daruruwan gandun daji.

    Waɗannan su ne ƙari ga wuraren da ake kiyayewa da yawa kamar su arboreta, lambunan lambu, lambun dabbobi, da bankunan ɗari da manyan makarantu da cibiyoyin bincike ke gudanarwa

    A cikin yankin busasshiyar bushashi da busasshiyar savanna ta Afirka ta Yamma, gami da Nijeriya, yawancin nau’ikan dicots na ciyawa musamman daga jinsi na Crotalaria, Alysicarpus, Cassia da Ipomea an san su da yawa a cikin kiwon dabbobi. Sau da yawa ana fizge su ko a sare su, kuma a ciyar da su azaman sabo ko abincin dabbobi. Amfani da waɗannan da sauran tsire-tsire masu tsire-tsire a cikin yanayin gonar yana da dama.

    Akwai wasu nau’ikan halittu da yawa da suka fito daga Najeriya, gami da waken soya da ire-irenta, suna matsayin muhimmiyar hanyar samar da mai da furotin a wannan yankin.

    Wasu daga cikin wadannan ciyayin sun hada da, Euphorbiaceae, wadanda suke da niyyar taimakawa malaria, cututtukan ciki da sauran cututtuka. Abubuwa daban-daban na damuwa kamar fari, karancin abinci mai ƙarancin ƙasa da saukin kamuwa da kwari sun ba da gudummawa ga noman Masara ya kasance wani ɓangare na harkar noma a wannan yankin.

    Kamar yadda masana’antu suka karu, hakan kuma ya sanya nau’ikan bishiyoyi a cikin dajin cikin hadari ga gurbatacciyar iska kuma bincike ya nuna cewa a wani bangare na Najeriya, bishiyoyi sun nuna juriya da girma a yankunan da ke da matukar gurbatacciyar iska.

    Domin karanta cikakken bayani akan Noma A Najeriya danna nan.