Sierra de la Laguna: aljannar Darwiniya

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Tsakanin Tekun Cortez da Tekun Pacific, a gefen Tropic of Cancer, a yankin Baja California, akwai “tsibirin gizagizai da conifers” na gaskiya wanda ya fito daga babban hamada Baja California.

Wannan kyakkyawar aljannar “Darwiniyancin” ta samo asali ne daga matakan karshe na Pleistocene, lokacin da yanayin yanayi ya ba da damar kirkirar “tsibirin halittu” na gaskiya, wanda yake a cikin wani tsauni mai tsarin asalin dutse wanda ya hada da Sierra de la Trinidad, babban taro wanda ya hada da Sierra de la Victoria, La Laguna, da San Lorenzo, waɗanda manyan ramuka bakwai suka raba su. Biyar daga cikin wadannan bakin ruwa, na San Dionisio, na Zorra de Guadalupe, na San Jorge, na Agua Caliente da na San Bernardo, da ake kira Boca de la Sierra, ana samun su a gangaren Tekun, da sauran su biyu, na Pilitas da na La Burrera a cikin Pacific.

Wannan babbar aljanna ta muhalli tana da fadin yanki 112,437 ha kuma kwanan nan aka ayyana ta "Sierra de la Laguna" Biosphere Reserve, don kare tsirrai da dabbobin da ke zaune a ciki, saboda yawancinsu suna cikin haɗarin halaka .

Haduwarmu ta farko a wurin ta kasance tare da gandun daji mai karancin ruwa, da kuma kaurin da katuwar cacti. Plaananan filaye da gangara sun rufe ta wannan yanayin halittu mai ban sha'awa da ban mamaki, wanda ke haɓaka daga 300 zuwa 800 m asl kuma yana da gida game da nau'ikan shuke-shuke 586, waɗanda 72 daga cikinsu suna da yawa. Daga cikin cacti zamu iya ganin saguaros, pitayas, chollas tare da babu ƙaya, cardón barbón da viznagas; Mun kuma ga agaves kamar su sotol da mezcal, da bishiyoyi da shrubs kamar mesquite, palo blanco, palo verde, torote blanco da colorado, hump, epazote da datilillo, waɗanda ke nuna yankin. Wannan ciyawar gida ne na kwarto, tattabaru, dazuzzuka, layuka da karakaran shaho. Hakanan, amphibians, kadangaru da macizai irin su rattlesnake da chirrionera suna zaune a cikin yankin gandun dajin.

Yayin da muke tafiya kan hanyar datti zuwa La Burrera, ciyayi sun canza kuma yanayin ya zama kore; rassan bishiyoyi tare da furanninsu masu launin rawaya, ja da violet suna ta ƙaruwa sabanin taurin na cacti. A Burrera mun loda dabbobi da kayan aiki kuma muka fara tafiya (mu 15 ne gaba ɗaya). Yayin da muka hau, hanyar ta zama ta zama matsatacciya da kuma tazara, wanda hakan ya ba wa dabbobi wahala wajen wucewa, kuma a wasu wuraren sai an sauke kayan domin su wuce. A ƙarshe, bayan mun yi tafiyar awa biyar muna aiki mai wuya, sai muka isa Palmarito, wanda aka fi sani da Ojo de Agua saboda rafin da yake gudu a wurin. A wannan wurin iklima ta fi zafi, gizagizai sun mamaye kawunanmu kuma mun sami babban gandun daji na itacen oak. Wannan ƙungiyar tsire-tsire tana tsakanin tsakanin gandun daji mai ƙarancin bishiyoyi da gandun daji na itacen pine-oak, kuma saboda yanayin yanayin shimfidar ƙasa wanda yake mafi rauni kuma mafi sauƙin lalacewa. Babban jinsin da suka hada shi shine itacen oak da guayabillo, kodayake kuma abu ne na yau da kullun a samu jinsin daga karamin daji kamar su torote, bebelama, papache da chilicote.

Yayin da muka ci gaba, shimfidar wuri ta fi kyau, kuma lokacin da muka isa wani wuri da aka sani da La Ventana da mita 1200 a saman teku, mun sami ɗayan kyawawan ra'ayoyi na ƙasarmu. Jerin tsaunukan duwatsu sun bi daya bayan daya suna wucewa ta cikin dukkanin launukan da za'a iya yin tunaninsu na kore, kuma a sararin samaniya kallonmu ya doshi Tekun Pacific.

A lokacin hawan, ɗaya daga cikin abokanmu ya fara jin ba dadi kuma lokacin da ya isa La Ventana ba zai iya ɗaukar wani mataki ba; ya fadi wanda aka yi wa rauni na diski; Ba a sake jin ƙafafun sa ba, leɓun sa na mulufi ne kuma ciwon ya yi tsanani matuka, saboda haka Jorge ya yi masa allurar morphine kuma dole ne Carlos ya saukeshi a bayan alfadarin.

Bayan wannan mummunan haɗarin mun ci gaba da balaguro. Muna ci gaba da hawa, mun wuce yankin bishiyoyi kuma a 1,500 m sama da matakin teku mun sami gandun daji na pine-oak. Wannan yanayin halittar shi ne wanda ya mamaye tsaunukan tsaunuka har zuwa wani wuri da aka sani da El Picacho, wanda yakai mita 2,200 a saman tekun kuma daga inda ake iya ganin Tekun Pacific da Teku na Cortez a lokaci guda.

Babban jinsin da ke zaune a wannan yanki shine itacen oak na baƙar fata, itacen strawberry, sotol (nau'in dabino mai ɗorewa) da kuma pine na dutse. Waɗannan tsire-tsire sun haɓaka dabarun daidaitawa kamar tushe mai tushe da tushe mai tushe, don tsira daga bin su daga Afrilu zuwa Yuli.

La'asar tana faduwa, tsaunukan an zana zinare, gizagizai suna gudana a tsakanin su, kuma alamun sama sun kasance daga rawaya da lemu zuwa shudaye da shuɗi da dare. Muna ci gaba da tafiya kuma bayan kimanin awanni tara mun isa kwari da aka sani da La Laguna. Kwarin kwari sun sake samar da wani yanayi mai ban sha'awa a wannan yankin kuma kananan rafuka suna gudana ta inda dubunnan kwadi da tsuntsaye ke rayuwa. An yi imanin cewa a da babban lago ne ke mamaye da su, wanda babu shi kodayake ya bayyana alama a taswirorin. Mafi girma daga cikin waɗannan kwarin an san shi da Laguna, yana rufe ha 250 kuma yana da 1 810 m sama da matakin teku; wasu mahimman abubuwa guda biyu sune Chuparrosa, a 1 750 m sama da matakin teku kuma yana da yanki na 5 ha, da kuma wanda aka sani da La Cieneguita, kusa da Laguna.

Dangane da tsuntsaye, a duk cikin yankin Los Cabos mun sami nau'ikan 289, wanda 74 daga cikinsu suna rayuwa a cikin Lagoon kuma 24 daga cikin waɗannan suna da alamun wannan yankin. Daga cikin nau'ikan da ke rayuwa a wurin muna da tsuntsun bishiyar peregrine, da Santus hummingbird, da ke cikin tsaunukan sierra, da kuma pitorreal da ke rayuwa cikin 'yanci a cikin gandun dajin.

A ƙarshe, zamu iya cewa duk da cewa bamu gansu ba, wannan yankin gida ne na dabbobi masu shayarwa kamar su Mule deer, cikin haɗarin ɓacewa saboda farautar da ba a nuna mata ba, ɓerayen dutse, mai fama da cutar a yankin, adadin beraye, shrews, jemage, duwawu , dodo, skunks, coyotes da dutsen zaki ko cougar.

Mai daukar hoto na musamman a cikin wasannin motsa jiki. Ya yi aiki na MD sama da shekaru 10!

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Bidiyo: Summer Day in the Mountains - Sierra de la Laguna, BCS, Mexico (Satumba 2024).