Macijin Kirtland (Clonophis kirtlandii) nasa ne na tsararren tsari.
Yaduwar macijin Kirtland.
Macijin Kirtland dan asalin Arewacin Amurka ne, wanda aka samo shi a yawancin yankunan kudu maso gabashin Michigan, Ohio, Indiana, Illinois, da kuma North-Central Kentucky. Tsarin wannan nau'in ya iyakance ga Arewa-Tsakiyar Tsakiyar Yammacin Amurka. A halin yanzu, macijin Kirtland shima ya bazu a Yammacin Pennsylvania da arewa maso gabashin Missouri.
Kirtland mazaunin maciji
Macijin Kirtland ya fi son buɗaɗɗun wurare masu dausayi, dausayi da filayen ruwa. Ana samun wannan nau'in a kusa da gefen manyan biranen, misali, Pennsylvania, yana zaune a cikin wuraren zama na yankin Prairie Peninsula: yankin fadama na filayen filayen ruwa, dausayi masu dausayi, da gandun daji masu hade da gandun daji da ke bude, dausayi na lokaci-lokaci, wani lokacin macizan Kirtland suna bayyana akan gangaren dazuzzuka da kuma kusa da yankin. daga tafkunan ruwa da rafuka tare da jinkirin motsi.
A cikin Illinois da Yammacin-Tsakiyar Indiana, galibi ana samunsu a wuraren da suka dace da makiyaya da kuma kusa da ruwa.
Macizan da ke zaune kusa da megacities galibi suna zama a cikin yankuna masu ramuka inda rafuka suke gudana ko kuma inda fadamun suke. Ya zuwa yanzu, a waɗannan yankunan biranen ne saurin ɓacewar wasu nau'ikan nau'in ke faruwa. Koyaya, har yanzu akwai mazaunan Kirtland macizai a cikin yanayin birane a cikin mahalli tare da tarkace masu yawa a saman duniya da kuma wuraren buɗe ciyawa. Suna da wahalar ganewa saboda salon rayuwar macizai.
Alamomin waje na macijin Kirtland.
Macijin Kirtland na iya tsayin kafa biyu a tsayi. An rufe jikin na sama da sikeli masu ƙyalli, waɗanda launuka masu launin toka ne, tare da layuka biyu na ƙananan ƙananan duhu da jere na manyan wuraren duhu tare da tsakiyar layin macijin. Launin cikin ciki jajaye ne tare da yawan baƙuwar fata a kowane filin. Kan yana da duhu tare da farin ƙyalli da makogwaro.
Kiwo macijin Kirtland.
Macizan Kirtland sun yi aure a watan Mayu, kuma macen ta haihu ta kasance da ƙuruciya a ƙarshen bazara. Akwai yawanci daga macizai 4 zuwa 15 a cikin mahaifa. Snananan macizai suna girma cikin sauri a cikin shekarar farko kuma suna balaga yayin da suke ɗan shekara biyu. A cikin bauta, macizan Kirtland suna rayuwa har zuwa shekaru 8.4.
Halin macijin Kirtland.
Macizan Kirtland na ɓoye ne, suna ɓoye a ƙarƙashin kango, amma galibi suna cikin ƙasa. A matsayin mafaka, galibi suna amfani da burbushin kifin kifin, suna binne kansu a matsayin murfi da hanyoyin karkashin kasa; burrows yana ba da danshi, sauyin yanayin zafi mai sauƙi da albarkatun abinci. Salon rayuwa mai ban tsoro yana taimaka wa macizai su tsira a gobara lokacin da busassun ciyawar ciyawa suka ƙone a cikin makiyaya. Macizan Kirtland suma sun yi kiwo, a bayyane yake a ƙarƙashin ƙasa, wataƙila a cikin raƙuman kifaye ko kusa da gulbin ruwa, waɗanda aka daidaita har zuwa ƙarshen shekara. Macizan Kirtland ba su da girman gaske, sabili da haka, idan suka haɗu da masu farauta, sukan ɗauki matsayin kariya kuma su daidaita jikinsu, suna ƙoƙarin tsoratar da abokan gaba da ƙaruwar ƙarfi.
Kirtland ciyar da maciji
Abincin da macijin Kirtland ya fi so ya kunshi farkon kwari da kwari.
Lambar macijin Kirtland
Macijin Kirtland yana da wahalar ganowa a mazaunin sa kuma yayi cikakken adadin adadin sa.
Rashin dama don nemo wani abu mai rarrafe a cikin yankin tarihi baya nufin cewa an hallaka yawan jama'a gaba ɗaya.
Rashin tabbas na sakamakon binciken abin da kuma daidaitawar wannan jinsin don rayuwa a ƙauyuka na birane da ƙauyuka yana sa ya zama da wahala a iya sanin ainihin yanayin yawan jama'a, sai dai a yanayin lalata wuraren zama ko wasu rikice-rikice a cikin mazaunin. Ba a san yawan mutanen da suka manyanta ba, amma ƙila aƙalla akwai macizai dubu da yawa. Akwai cunkoso masu yawa a wurare daban-daban. An san macijin Kirtland a cikin mazauna fiye da ɗari a duk faɗin Amurka. Yawancin birane da yawa sun ɓace a cikin 'yan shekarun nan. Ana iya ɗaukar nau'in mai wuya da haɗari a duk faɗin tarihinsa, duk da yawan rarraba shi a wasu yankuna.
Barazana ga wanzuwar macijin Kirtland.
Ayyukan maciji na fuskantar barazanar macijin Kirtland, musamman ci gaban gidaje da canje-canje a mazaunin yana da mummunan tasiri kan yawan macizai. Yawancin tsoffin wuraren zama na nau'ikan nau'ikan sun ɓace kuma sun mamaye albarkatun gona. Mazaunan herbaceous suna fuskantar canje-canje a tsarin amfani da ƙasa.
Canza tudu zuwa ƙasar karkara yana da haɗari musamman ga yaɗuwar macijin Kirtland.
Yawancin al'adun gargajiya suna zaune a ƙananan yankuna a cikin birane ko yankunan kewayen birni, inda suke da matukar damuwa ga ƙarewar ci gaba. Macizan da ke zaune kusa da ƙauyuka na iya yin kiwo na ɗan lokaci, amma a ƙarshe ana lura da raguwar lambobi a nan gaba. Kama kifin kifin yana da mummunan tasiri ga kasancewar macizai, sakamakon haka macizan Kirtland ke fuskantar abin damuwa. Sauran barazanar da ke tattare da wannan nau'in su ne cuta, farauta, gasa, amfani da maganin kwari, mutuwar mota, canjin yanayi na dogon lokaci, da tarko. Musamman yawancin macizai da ba safai ake kama su don fataucin dabbobi a cikin birane, inda suke ɓuya a cikin tarin gini da sharar gida.
Matsayin kiyayewa na macijin Kirtland.
Macijin Kirtland ana ɗauke da nau'in nau'in nau'in nau'in abu a cikin kewayon sa. A cikin Michigan, an ayyana shi a matsayin "nau'in haɗari", kuma a cikin Indiana "yana cikin haɗari". Macizan Kirtland da ke zaune kusa da manyan biranen na fuskantar ci gaban masana'antu da gurbatar muhalli. Wata jihar da ke kusa da barazanar ta taso a wuraren da yankin rarrabawa bai wuce kilomita murabba'i 2000 sosai ba, rarraba mutane yana da bambanci iri-iri, kuma ingancin mazaunin yana ta tabarbarewa. Wasu mazaunan macizan Kirtland suna rayuwa a cikin yankuna masu kariya sabili da haka suna fuskantar ƙaramar barazana ga rayuwarsu. Matakan kiyayewa sun haɗa da masu zuwa:
- ganowa da kariya ta babban adadi (mai yiwuwa aƙalla aƙalla 20) wurare masu dacewa a duk kewayon;
- gabatar da cikakkiyar haramtacciyar fatauci a cikin wannan nau'in macizai (dokar gwamnati);
- wayar da kan jama'a game da matsalolin kiyayewar wani nau'in da ba safai ba.
Macijin Kirtland yana kan Lissafin IUCN.