Mhuka yekufananidzira yezororo reKisimusi, mhembwe, iri kunetsekana nekuda kwekudziya kwepasirese zvichienderana nechidzidzo chakaunzwa kumusangano wepagore weBritish Ecological Society (BES) muLiverpool uye chakaburitswa mumagazini Global Change Biology. Huwandu hwevanhu huri kudzikira, uye avo vari kuzvarwa vanogara vadiki uye vadiki.
Zvingave zviri munjodzi yekutsakatika? Pamwe. Ngatione kuti nei.
Iyo reindeer iyo yakaberekerwa muNorway Arctic muna 1994 yaive nehuremu hwe55kg, asi uya akazviita mugore ra2010 akayera gumi nezviviri kubva muzana, ndokuti, 48kg. 12% ingaite senge diki, asi inofanirwa kutariswa kuti kune iyi mhuka uremu hwakakosha kwazvo pakubereka uye kupona kwemarudziSezvakataurwa naSteve Albon, mutungamiri wechidzidzo, uyo akawedzera kuti: "Mishumo yakaratidza kuti kana huremu hwehuremu hwevakuru huri pasi pe50kg, huwandu hwevanhu hunodzikira zvakanyanya."
Kupisa kwepamusoro muArctic kuri, sekureva kwesainzi, 2,8 degrees Celsius yakakwira kupfuura muna 2015, saka mhembwe ine matambudziko anowedzera kudyisa yemachenye nemamosi sezvo izvi zvisisakwanisike kwavari sezvo zvakavharirwa pasi pechando chechando munguva yechando. Chando chinowira pamusoro penyika dzine chando chinotadzisa mhuka idzi kubva mukudya.
Nzara inogona kukonzera kubvisa pamuviri, kana kukonzera kuti mwana azvarwe aine huremu hwakadzikira zvakanyanya kupfuura zvakajairwa, zvekuti 61.000 mapere anofa nenzara paYamal Peninsula chete, muSiberia, panguva yechando kubva 2013 kusvika 2014 nekuda kwekunaya kukuru kwechando.
Chikwata ichi chave kuchitevera Arctic reindeer kubvira 1994, ichiibata nekuchiyera kubva pamwedzi gumi yekukura, nzira yaitevedza nguva yega yega yechando uye iya yawaishandisa kudzosa gore rinotevera uchifunga kukura kwayo uye huremu.
Unogona kuverenga chidzidzo chakazara pano (muChirungu).