An bayyana shi azaman ajiyar Biosphere a 2000, wannan kwazazzabin yana ba da shimfidar wuri mai ban sha'awa wanda manyan duwatsu suka gano, mai kyau don hawan dutse, da kuma sararin samaniya na tsire-tsire da cacti. Kada ka daina ziyartarsa!
Yana da nisan kilomita 25 daga Pachuca, Hidalgo, kuma tare da matsakaicin matakin mita 1,353 sama da matakin teku, faɗin Barranca de Metztitlán ya banbanta daga 300 m a cikin mafi kankancin ɓangarensa zuwa 3.5 ko 4 a cikin faɗi mafi faɗi. Kimanin girman fili shine 96,000 ha, daga ciki an bayyana 12,500 a matsayin manyan yankuna ta Barranca de Metztitlán Biosphere Reserve, wanda ke dogaro da Hukumar Kula da Yankin Naturalasa na Nationalasa, mai kula da kiyayewa da haɓaka yanayin muhalli na wurin da hada mazauna cikin ayyukan kiyayewa da ci gaba da ayyukan ci gaba. An ayyana rafin a matsayin wurin ajiyar halittu a ranar 28 ga Nuwamba, 2000.
Alamar farko da ta nuna mashigar sune ragowar tsohon ginin dutse wanda yake hannun hagun hanyar daga Atotonilco El Grande zuwa Metztitlán; hanyar da za ta isa wurin ajiyar ta wuce ta cikin gandun dajin daga Real del Monte zuwa Atotonilco. Lokacin da suka isa Puente de Venados kuma suka haye kogin, manyan dutsen da ke bangon arewa maso gabas sun bayyana da ƙarfi, yayin da ake lura da wasu ganuwar launuka masu launuka iri-iri, kamar babu mafita.
Tarihin mutum a cikin kwazazzabo ya samo asali ne tun daga zamanin Dutse, kamar yadda aka nuna ta zane-zanen kogo fiye da ƙafa goma a ƙasa, wanda ke iya nufin cewa gadon kogin ya fi girma. A lokacin Yaƙin Sifen ɗin, Otomi ya mamaye yankin a cikin yaƙe-yaƙe tare da daular Mexico, wanda bisa ga tarihin an ci shi da yaƙe-yaƙe na dare. Lokacin da Spaniards na farko suka zo nan a 1535, Augustin Fray Juan de Sevilla - Manzo na La Sierra - da Fray Antonio de Roa, sun fara mamaye ruhaniya na mazaunan, wanda suka gina coci-coci ba tare da la'akari da yawan ambaliyar da ke faruwa a filin mai kankara.
Fray Antonio de Roa shine wanda ya fara gina katafaren gidan zuhudu na tsarkaka kuma a shekarar 1577 aka kammala daya daga cikin manya-manyan coci-coci da ‘yan Augustine suka gina a kasar mu. Fararen zuhudu, karami daga manyan tsaunuka, ana nuna shi a matsayin ƙaramin haraji na mutum zuwa babban sauƙin rafin da ya ƙunshi komai.
A ƙarni na 16 na Turai, wataƙila saboda tunawar annobar Turai da la'anar kuturta, tabkuna da rafuka a ciki ko kuma kusa da ƙauyukan 'yan Adam. Sakamakon haka, tabkuna da rafuffuka a cikin biranen Amurka ta Sifen ta sami canji ba karami ba.
Yanzu lagoon Metztitlán yana da ramuka guda biyu; wani aikin ɓangare na uku an ƙi shi saboda zai haifar da rashin daidaiton muhalli. Pelicans da sauran tsuntsayen ƙaura daga Kanada da Amurka suna zuwa lagoon.
Halin da mazauna ke ciki, waɗanda suke mestizo gaba ɗaya, yayi kama da na yankunan karkara na ƙasar: maza a ci gaba da ƙaura zuwa Amurka yayin da mata, yara da tsofaffi ke girbe gonakin kuma suke girbe su. Mace ce ke kula da iyali, tana ba su abinci da sutura yayin jiran dawowar mutumin.
Mazaunan rafin sun fara canza halayensu lokacin da suka gano cewa an ayyana shi a matsayin wurin ajiyar halittu; wasu sun ba da amsa ba daidai ba, amma mafi yawan yanzu sun san yadda mahimmancin tsire-tsire waɗanda ke tare da su suke cikin gaci. Kafin ganimar cacti ta fi yawa, amma yawan jama'a bai shiga cikin kare mazauninsu ba saboda babu wanda ya sanar da su mahimmancin kula da sararin su. Daya daga cikin manyan masu zaben cacti da succulents, jemage, basu sami irin sa'ar ba; A cikin shahararren tunani, jemage ba mai taimako bane kuma ana afkawa kogo inda yake ciki don kawar da ɗayan jinsunan da ke afkawa dabbobin, yayin da jemage masu cin ciyawa ke shan irin wannan sakamakon.
Barranca de Metztitlán Biosphere Reserve yana ɗaya daga cikin ƙananan duniyoyi na mutum wanda zai yiwu mu yaba da yadda sabani da buƙatun mu suke mu'amala da ƙarfin yanayi wanda zai bamu damar ci gaba da rayuwa.
