Wasu nau'ikan sun fi fuskantar barazanar yanayi

Abies pinsapo, canjin yanayi

Abin mamaki

Dukkan nau'ikan dabbobi da tsire-tsire suna barazanar ta canjin yanayi. Ko dai ta hanyar karuwa da bayyanar sabbin mahautan, rarrabuwa a cikin muhalli, gurɓataccen ruwa da ƙasa ko sauƙaƙe ta yanayin yanayi.

Daga cikin nau'ikan da tasirin tasirin canjin yanayi da muka rigaya ya shafa ya fi shafa malam buɗe ido na apollo, mai tsayi lagópogo da pinsapo. Waɗannan nau'ikan nau'ikan guda uku suna cikin jerin jinsunan da ke fuskantar barazanar a Spain ta canjin yanayi.

Gemma Rodríguez shine mai kula da Cibiyar Natura 2000 ta Asusun Duniya na Yanayi (WWF), kuma ya bayyana cewa waɗannan nau'ikan nau'ikan uku suna cikin haɗari sosai daga tasirin canjin yanayi. Rahoton na Rayuwa Duniya, wanda WWF ta aiwatar, wanda a ciki an nuna mummunan tasirin da canjin yanayi zai iya haifarwa ga jinsunan da ke rayuwa a cikin keɓaɓɓun wurare ko yankunan da aka fi takurawa. Don daidaituwar muhallin halittu ya kasance mai karko, zai fi kyau a sami yawancin jinsin da ke zama tare domin alaƙar da ke tsakanin su da dogaro da juna ba zai haifar da faɗuwar jinsin ya zama jerin halaye ba.

Wannan shine dalilin da ya sa dabbobi da tsire-tsire waɗanda ke rayuwa a wuri mafi tsayi ko, akasin haka, ƙananan, suke mafi rauni ga tasirin canjin yanayi, tunda lokacin daidaitawar sa zuwa sabon yanayi ya fi tsayi. Har ila yau, jinsunan da suke da karfin warwatse masu rauni suma sunada rauni.

Ga waɗannan nau'ikan, canje-canje a cikin halittu na iya haifar da canje-canje a cikin ilimin halittu, ma'ana, a cikin tsarin rayuwa. Misali, ga wasu nau'ikan kifaye, canjin yanayi na iya haifar da sauye-sauye a karfin haihuwa. Wasu tsuntsayen na iya canza waƙar su ko ma yanayin ƙaurarsu.

Ptarmigan, canjin yanayi

Ptarmigan

Rahoton Rayuwa mai suna wanda aka ambata a sama yana nuna cewa Spain tana ɗaya daga cikin ƙasashe masu saurin fuskantar canjin yanayi a cikin Tarayyar Turai. Wadannan illolin na iya haifar da rabin jinsunan halittu masu rarrafe, dabbobi masu rarrafe, dabbobi masu shayarwa da tsuntsaye don fuskantar barazanar rage mazauninsu a fiye da na uku. Baya ga wannan, binciken da yawa ya nuna cewa dabbobi da tsirrai sun riga suna tafiya zuwa kan tsaunuka mafi girma inda suka fi jin daɗin yanayin zafi.

Idan jinsunan dabbobi da tsirrai suka fara yin ƙaura zuwa arewa don neman mafi daɗi kuma ba ɗumi ɗumi ba, zai fara faruwa talaucin halittu masu yawa. Wannan na iya haifar da rashin haɗin kai tsakanin tsarin halittu da rarrabuwa wanda zai sanya su ma zama masu saurin tasirin tasirin canjin yanayi.

Misali, a cikin jerin da WWF ya tattara na nau'ikan 10 da ke fuskantar barazanar a Spain saboda canjin yanayi, butterfly na apollo shine adadi na farko. Wannan malam buɗe ido yana zaune a yankunan tsaunuka kuma, tare da ƙaruwar yanayin zafi, za a tilasta shi neman wuraren da ke da tsayi mafi girma.

Apollo malam buɗe ido, canjin yanayi

Apollo malam buɗe ido

Wani misalin na nau'in da sauyin yanayi ya fi shafa shi ne alpine lagópod ko kuma wanda aka fi sani da ptarmigan. Wannan nau'in ya fi dacewa da tsananin sanyi. Ana samun wannan yanayin a Sifen kawai a tsawan mita 1.800 a cikin Pyrenees. Yana amfani da farin Jawo don sake kamannin kansa tsakanin dusar ƙanƙan kuma saboda ƙaruwar yanayin zafi hakan zai tilasta masa haɓaka tsawan zangonsa. Wannan na iya haifar da matsaloli wajen neman abinci da wurin kwanciya, tunda a irin waɗannan tsaunuka albarkatu sun yi ƙaranci kuma yanayi ya fi kyau.

A duniyar shuke-shuke, daya daga cikin nau'ikan da ke da matukar damuwa shi ne itacen Sifen, wanda kawai ke rayuwa a wuraren da ake samun ruwan sama mai yawa kamar shekara da Serranía de Ronda. Sauyin yanayi yana haifar da fari mai tsawo. Abin da ya sa waɗannan bishiyoyi suka raunana kuma suka zama masu saukin kamuwa da bayyanar cututtuka da kwari. Masana ilimin tsirrai sunyi gargadin cewa zuwa karshen wannan karnin Da kyar za a sami gandun daji na fir babu.

Har ila yau, akwai wasu nau'ikan da ke barazanar kamar su kifin Salmon, da ungozomar Betic, posidonia na teku, ƙaramar shrike, da Montseny newt ko ƙadangan ƙarfe.


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