Dumamar yanayi yana rage yawan masu kiwon dabbobi

Reno

Dabba ta alama ta bukukuwan Kirsimeti, mai sake yin layya, tana cikin wahala sakamakon dumamar yanayi a cewar wani binciken da aka gabatar a taron shekara-shekara na Kungiyar Kula da Yanayi na Burtaniya (BES) a Liverpool kuma aka buga a mujallar Global Change Biology. Yawan jama'a na raguwa, kuma waɗanda ake haihuwarsu suna ƙarami da ƙarami.

Shin yana iya kasancewa cikin haɗarin halaka? Wataƙila. Bari mu ga dalilin.

Reinangon da aka haifa a yankin Arctic na Norway a 1994 yana da nauyin 55kg, amma wanda ya yi shi a shekara ta 2010 ya yi kasa da kashi goma sha biyu, wato, 48kg. 12% na iya zama kamar ba su da yawa, amma dole ne a yi la'akari da hakan don wannan dabba nauyi yana da matukar mahimmanci ga haifuwa da rayuwar jinsinA cewar Steve Albon, shugaban binciken, wanda ya kara da cewa: "Rahotannin sun nuna cewa lokacin da matsakaicin nauyin manya bai kai 50kg ba, yawan jama'a na fuskantar mummunan koma baya."

Yanayin zafin yanayi a cikin Arctic yana, a cewar masana kimiyya, digiri Celsius 2,8 ya fi na shekarar 2015, don haka mai ba da fata yana da ƙarin matsaloli na ciyarwa na lichens da mosses tunda basu iya isa gare su tunda an killace su a ƙarƙashin wani kankara a lokacin hunturu. Wani kankara da ke sauka akan shimfidar dusar kankara wacce ke hana wadannan dabbobi cin abinci.

Reindeer

Yunwa na iya haifar da zubar da ciki, ko kuma haifar da haihuwar da nauyin da ba shi da yawa fiye da yadda yake, don haka Marayu 61.000 da ke cikin yunwa sun mutu a yankin Yamal Peninsula kawai, a cikin Siberia, a lokacin hunturu na shekarar 2013 zuwa 2014 saboda ruwan sama mai karfi kan dusar ƙanƙara.

Teamungiyar tana bin sahun arctic tun daga 1994, suna kamawa tare da auna shi daga watanni 10 na haihuwa, hanyar da ta bi kowane lokacin hunturu da kuma wanda ta yi amfani da shi don dawowa shekara mai zuwa ta la'akari da girma da nauyi.

Kuna iya karanta cikakken nazarin a nan (cikin Turanci).


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