Tsibirin Guadalupe, wata aljanna guda da za'a ɓace, Baja California

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Tsibirin Guadalupe yana ɗaya daga cikin mafi nisa daga yankin yankin Mexico. Adadin manyan duwatsun tsauni masu girma dabam dabam warwatse ko'ina cikin yankinsa, suna nuna asalin aman wuta.

A karnin da ya gabata, masanan sun ziyarci tsibirin yayin da suka lura da gandun daji masu yawan gaske tare da hazo, da yawan tsuntsaye da yawan shimfidar shimfidar sa suka bashi lakabin “aljanna mai ilimin halitta”.

WURIN FARKO DA FALALO

Guadalupe ya kasance mafaka ga masu bincike da masu fashin teku waɗanda suka yi amfani da shi a matsayin wurin samar da ruwa da nama don doguwar tafiyarsu. Hakanan wuri ne mai mahimmanci ga mahautan, waɗanda suka yi zango na dindindin don bincika tambura da zakunan teku waɗanda ke da yawa a wurin. A halin yanzu, har yanzu akwai sauran abubuwan baƙi na waɗannan baƙi da mazaunan tsibirin, tunda a gabashin gabar akwai ragowar gine-ginen Indiyawan Aleut waɗanda jiragen ruwa na Rasha suka kawo don amfani da dabbobin da aka ambata a baya. Hakanan, akwai wani dutse a tsibirin inda aka rubuta sunayen shugabannin da jiragen da suka ziyarce shi; kuma inda aka lura da tatsuniyoyi tun daga farkon karni na sha tara.

FLORA NA GUADALUPE A CIKIN KWATSAN HATSARI NA BACCAN

Saboda yanayin kasa na tsibirin, yanayi yana da sanyi kuma lokacin damina yakan iso lokacin sanyi. Kuma wannan shine lokacin da a cikin kwari kwarrun tsirrai da tsire-tsire ke tsirowa a cikin kananan wuraren da duwatsu suka bari.

Fiye da ƙarni ɗaya da suka wuce akwai dazuzzuka masu tsaka-tsaka a tsaunukan ɓangaren kudu, waɗanda suka faɗaɗa zuwa waɗannan kwaruruka kuma a cikin wasu daga cikinsu akwai nau'ikan da babu kamarsu a duniya kamar Guadalupe juniper, wanda samfurinsa na ƙarshe ya mutu a cikin 1983.

A halin yanzu, da yawa daga cikin tsirrai wadanda suka kafa wadancan dazuzzuka sun bace kuma kwarin tsibirin sun zama filayen ganyayyaki masu yawa da mutum ya gabatar wadanda suka kaura da asalin ciyayi, tunda a yawancin lokuta jinsinsu ne. gida, mai ƙarfi mai ƙarfi, wanda ya ƙare da maye gurbin jinsunan ƙasar. Wannan karin misali ne guda daya na mummunan aikin mutum.

Idan gabatarwar tsirrai na da illoli masu cutarwa, to ya fi na dabbobi masu cin ciyawa, kamar yadda aka nuna a Ostiraliya tare da shigar da zomaye a cikin kayan sa. Kuma kamar yadda yake a wannan nahiya, a ƙarshen ƙarni na 18, jiragen ruwa masu ruwa daga ƙasashe daban-daban sun saki yawan awaki a Tsibirin Guadalupe don su tara nama sabo da yanayin yanayin tsibirin, kuma tunda babu mai farauta, yawan awakin ya karu kuma a cikin kankanin lokaci adadin dabbobi masu jurewa a cikin irin wannan karamin yankin ya wuce. Girman waɗannan dabbobin ya yi girma sosai har zuwa farkon 1860 an yi la'akari da yiwuwar yin amfani da su don kasuwancin.

Saboda wannan abin mamakin, Guadalupe ya rasa rabin nau'ikan ciyawar sa; Kuma kamar kowane ciyayi na tsibirin, dajin bai tsira daga layin awakin ba. A karshen karnin da ya gabata ya mamaye yanki mai girman ha 10,000 kuma a yau fadadarsa bai wuce ha3 393 ba, wanda ke nufin cewa a yau akwai kasa da 4% na yankin dajin na asali.

Wasu nau'in tsirrai a tsibirin suna da kwarjini, ma'ana, ba a samun su a ko ina a doron kasa, irin wadannan al'amuran itacen oak ne, dabino da itacen giya na Guadalupe. Daga shuke-shuken da aka ambata, babu shakka itacen oak na Guadalupe wanda yake a halin yanzu yana cikin haɗarin ɓacewa, tunda akwai samfuran 40 da suka tsufa da yawansu basu sake haihuwa ba. Ana samun dabino a cikin kananan faci kuma a cikin mummunan yanayi, saboda awaki suna amfani da kututture don yinwa kansu, wanda hakan ya sa thallus ya zama yana da siriri da rauni ga iska. Gandun dajin Guadalupe na cikin tsananin barazana, tunda fiye da rabin karni ba a sake haifar wata sabuwar bishiya ba saboda tana daukar zuriya mafi tsayi kafin ta girma fiye da akuya kafin ta cinye.

Rahoton da ya fito daga tsibirin yana da rauni: daga cikin nau'ikan shuke-shuke 168, kimanin 26 ba a lura da su ba tun daga 1900, wanda ya haifar da yiwuwar bacewar su. Daga ragowar, ba a ga 'yan samfura kaɗan saboda galibi ana samunsu a wuraren da ba za a iya samun awaki ba ko kan tsibirin da ke kusa da Guadalupe.

Tsuntsayen Tsibiri, WAKA MAI BANZA

Karancin bishiyoyi a cikin dajin ya tilasta wasu jinsunan tsuntsaye yin shewa a kasa, inda suke cikin sauki ganima ga dimbin kuliyoyin da ke rayuwa a daji. An san cewa waɗannan kuliyoyin sun lalata aƙalla nau'ikan nau'ikan tsuntsaye guda biyar na tsibirin, kuma yanzu ba a Guadeloupe ko kuma a wani wuri a cikin duniya ba za mu iya samun caracara, ɗanɗano da sauran nau'in tsuntsayen da ke ɓacewa shekara-shekara. daga preyed aljanna na wannan tsibiri.

MAMMALAN DA SUKA TABA SHIRI A KASASU

A lokacin hunturu, yashi mai rairayi da rairayin bakin teku an rufe shi da sanannen dabba mai shayarwa a tsibirin: giwar giwar. Wannan dabbar ta fito ne daga tsibiran Kalifoniya a ƙasar Amurka don hayayyafa a wannan tsibirin da ke cikin Tekun Pacific na Meziko.

A karnin da ya gabata, wadannan manyan dabbobin sun kamu da cutar mahauta, kuma kisan ya zama kamar a 1869 ana zaton sun mutu, amma a karshen karni na 19, an samo wasu nau'ikan wannan nau'in a tsibirin, tunda a Guadeloupe yake inda yawan giwayen giwa ya warke. A yau ana iya ganin waɗannan dabbobin akai-akai a yawancin tsibirai da ke Arewacin Pacific da Meziko.

Wata arzikin tsibirin da ba za a iya lissafa shi ba shi ne hatimin fur na Guadalupe, wanda aka yi imanin cewa ya mutu saboda yawan yanka da aka yi da shi a karnin da ya gabata don darajar kasuwancin gashinta. A halin yanzu, a karkashin kariyar gwamnatin Mexico, wannan nau'in yana murmurewa.

WASU HUJJOJI DA SUKA FIFITA WAJEN KIYAYE KASAR

Baya ga wadataccen ɗimbin halitta, Tsibirin Guadalupe na da mahimmancin siyasa da tattalin arziki. Kuma tunda da'awar mallakar ikon tsibiri galibi aka ƙaddara ta amfani da ita, a cikin 1864 gwamnatin Mexico ta aika da rundunonin soja don kare ta daga kutsawar ƙasashen waje. A halin yanzu, wannan runduna ta soja tana kula da rundunonin sojoji guda biyar da aka rarraba a sassa daban-daban na tsibirin, kuma an tabbatar da ikonta tare da kasancewar wani yanki na masunta wadanda suka sadaukar da kai don kama lobster da abalone, samfuran da ke da girma nema a ƙasashen waje.

Baya ga kasancewar dakin gwaje-gwajen halittu, kasancewar mil mil 140 daga gabar Baja California, tsibirin ya fadada mil 299 tare da yankinmu na musamman na tattalin arziki, kuma wannan yana bawa Mexico damar aiwatar da ikonta don bincika da gano albarkatun ruwa a cikin wannan yankin.

Idan waɗannan maganganun ba su isa ba, ya kamata kawai muyi tunanin cewa tsibirin wani ɓangare ne na al'adunmu na asali. Idan muka lalata shi, asara ba ta mutanen Mexico kawai ba, amma ga dukkan bil'adama. Idan muka yi wani abu game da shi, yana iya sake zama "aljanna mai ilimin halitta" wanda masanan suka gano a karnin da ya gabata.

Source: Ba a san Mexico ba No. 210 / Agusta 1994

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